:root {
  --primary-navy: #0f172a;
  --secondary-navy: #1e293b;
  --accent-blue: #2563eb;
  --accent-cyan: #06b6d4;
  --accent-gold: #f59e0b;
  --accent-green: #10b981;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --card-bg: rgba(30, 41, 59, 0.85);
  --card-border: rgba(255, 255, 255, 0.1);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.2);
}

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

body {
  font-family: var(--font-main);
  background: #090d16;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background ambient glows */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}
.brand-group {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: inherit;
}
.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}
.brand-text-box h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: #ffffff;
}
.brand-tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}
.status-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.btn-header {
  background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn-header:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.4);
}

/* Hero */
.hero {
  padding: 70px 0 40px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.3);
  color: #60a5fa;
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h2 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 16px;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero h2 span {
  background: linear-gradient(to right, #38bdf8, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 35px;
}

/* Filter Nav */
.filter-wrapper {
  margin-bottom: 40px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-btn {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--card-border);
  color: #cbd5e1;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover {
  background: rgba(30, 41, 59, 1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}
.filter-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.35);
  font-weight: 600;
}

/* Projects Showcase Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 80px;
}
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: var(--shadow-glow);
}
.card-preview-thumb {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: #0f172a;
}
.card-preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.project-card:hover .card-preview-thumb img {
  transform: scale(1.05);
}
.card-category-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
}
.badge-school { background: rgba(37, 99, 235, 0.85); color: #fff; }
.badge-erp { background: rgba(5, 150, 105, 0.85); color: #fff; }
.badge-pos { background: rgba(217, 119, 6, 0.85); color: #fff; }
.badge-ecom { background: rgba(219, 39, 119, 0.85); color: #fff; }

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.card-body h3 {
  font-size: 1.3rem;
  color: #ffffff;
  margin-bottom: 8px;
  line-height: 1.3;
}
.card-style-tag {
  font-size: 0.82rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 12px;
}
.card-body p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 18px;
  flex-grow: 1;
}
.features-list {
  list-style: none;
  margin-bottom: 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 14px;
}
.features-list li {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.features-list li::before {
  content: '✓';
  color: var(--accent-green);
  font-weight: 700;
}
.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.btn-launch {
  background: var(--accent-blue);
  color: #ffffff;
  padding: 10px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  transition: all 0.2s;
}
.btn-launch:hover {
  background: #1d4ed8;
}
.btn-preview {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-preview:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Modal Viewport Previewer */
.preview-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  flex-direction: column;
}
.preview-modal.active {
  display: flex;
}
.modal-top-bar {
  background: #0f172a;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--card-border);
}
.device-toggles {
  display: flex;
  gap: 8px;
  background: #1e293b;
  padding: 4px;
  border-radius: 8px;
}
.device-btn {
  background: none;
  border: none;
  color: #94a3b8;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 500;
}
.device-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
}
.modal-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}
.modal-close-btn {
  background: rgba(255,255,255,0.1);
  border: none;
  color: #ffffff;
  font-size: 20px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
}
.preview-frame-container {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  overflow: hidden;
}
.preview-iframe {
  background: #ffffff;
  border: 1px solid #334155;
  border-radius: 8px;
  transition: width 0.3s;
  height: 100%;
}
.frame-desktop { width: 100%; max-width: 1240px; }
.frame-tablet { width: 768px; }
.frame-mobile { width: 375px; }

/* Footer */
.footer {
  background: #060910;
  border-top: 1px solid var(--card-border);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.footer-links {
  list-style: none;
}
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent-cyan); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .projects-grid { grid-template-columns: 1fr; }
  .hero h2 { font-size: 2.2rem; }
  .footer-grid { grid-template-columns: 1fr; }
}