* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0b1120;
  color: #e2e8f0;
  min-height: 100vh;
}

::selection {
  background: #38bdf8;
  color: #0b1120;
}

/* Nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(56, 189, 248, 0.08);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  color: #f1f5f9;
  letter-spacing: -0.5px;
}

.logo span {
  color: #38bdf8;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #38bdf8;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 24px;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.hero h1 {
  font-size: clamp(40px, 8vw, 68px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  color: #f1f5f9;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.4);
}

/* Hero decoration */
.hero-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.c1 {
  width: 400px;
  height: 400px;
  background: #38bdf8;
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.c2 {
  width: 300px;
  height: 300px;
  background: #6366f1;
  bottom: -80px;
  left: -80px;
  animation: float 10s ease-in-out infinite reverse;
}

.c3 {
  width: 200px;
  height: 200px;
  background: #22c55e;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: float 12s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

/* Section */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}

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

.section-header h2 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 800;
  margin-bottom: 12px;
  color: #f1f5f9;
}

.section-header p {
  color: #94a3b8;
  font-size: 16px;
}

/* Jobs Grid */
.jobs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

/* Card */
.card {
  background: linear-gradient(145deg, #1e293b, #192237);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid rgba(56, 189, 248, 0.06);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(56, 189, 248, 0.2);
}

.card-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

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

.card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #f1f5f9;
}

.status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.open {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.closed {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.card-desc {
  color: #94a3b8;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.card-tags span {
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(56, 189, 248, 0.08);
  color: #7dd3fc;
  font-size: 12px;
  font-weight: 500;
}

.btn-apply {
  padding: 12px;
  width: 100%;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}

.btn-apply:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

/* About */
.about {
  text-align: center;
}

.about-content {
  max-width: 600px;
  margin: 0 auto;
}

.about h2 {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 800;
  margin-bottom: 20px;
  color: #f1f5f9;
}

.about p {
  color: #94a3b8;
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 32px;
  font-weight: 900;
  color: #38bdf8;
}

.stat-label {
  font-size: 14px;
  color: #64748b;
  margin-top: 4px;
}

/* Footer */
footer {
  text-align: center;
  padding: 32px 24px;
  border-top: 1px solid rgba(56, 189, 248, 0.06);
  color: #475569;
  font-size: 13px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: #1e293b;
  border-radius: 20px;
  width: 100%;
  max-width: 400px;
  padding: 32px;
  border: 1px solid rgba(56, 189, 248, 0.1);
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  float: right;
  background: none;
  border: none;
  color: #64748b;
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.modal-close:hover {
  color: #f1f5f9;
}

.modal-header {
  margin-bottom: 24px;
}

.modal-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 4px;
}

.modal-job {
  color: #38bdf8;
  font-size: 14px;
  font-weight: 600;
}

.modal-body label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #94a3b8;
  margin-bottom: 6px;
}

.modal-body input {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid rgba(56, 189, 248, 0.15);
  background: #0f172a;
  color: #f1f5f9;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  margin-bottom: 16px;
}

.modal-body input:focus {
  border-color: #38bdf8;
}

.modal-body input::placeholder {
  color: #475569;
}

.modal-footer {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.btn-submit {
  flex: 1;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #38bdf8, #6366f1);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-submit:hover {
  opacity: 0.9;
}

.btn-cancel {
  flex: 1;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  background: transparent;
  color: #94a3b8;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-cancel:hover {
  background: rgba(148, 163, 184, 0.08);
}

/* Responsive */
@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 36px;
  }

  .stats {
    gap: 24px;
  }

  .modal-content {
    padding: 24px;
  }
}