/* ==========================================================================
   neoBIZ Labs — Modern Showcase & Portfolio Hub
   Design System & Styling
   ========================================================================== */

:root {
  /* Colors */
  --bg-base: #060e18;
  --bg-surface: #0a1727;
  --bg-card: #0d1e34;
  --bg-card-hover: #122846;
  --bg-glass: rgba(13, 30, 52, 0.75);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(56, 189, 248, 0.4);
  --border-hover: rgba(56, 189, 248, 0.25);

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-bright: #ffffff;

  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;

  --badge-bg: rgba(56, 189, 248, 0.1);
  --badge-border: rgba(56, 189, 248, 0.25);

  /* Project Accent Themes */
  --c-area17: #ea580c;
  --c-area17-glow: rgba(234, 88, 12, 0.25);
  --c-serdam: #f59e0b;
  --c-serdam-glow: rgba(245, 158, 11, 0.25);
  --c-galaxy: #6366f1;
  --c-galaxy-glow: rgba(99, 102, 241, 0.25);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Layout */
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.18), transparent 70%),
    radial-gradient(ellipse 40% 30% at 90% 20%, rgba(56, 189, 248, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(99, 102, 241, 0.06), transparent);
  background-attachment: fixed;
}

/* Background grid overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1, h2, h3, h4 {
  color: var(--text-bright);
  font-weight: 700;
  line-height: 1.25;
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(6, 14, 24, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-cyan);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(56, 189, 248, 0.3);
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
}

.nav-cta:hover {
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.4);
  transform: translateY(-1px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title span.highlight {
  background: linear-gradient(135deg, #ffffff 30%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(13, 30, 52, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

.stat-pill .icon {
  font-size: 1.1rem;
}

/* ==========================================================================
   Portfolio Showcase Section
   ========================================================================== */
.showcase-section {
  padding: 3rem 0 5rem;
}

.section-head {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-eyebrow {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 0.5rem;
}

/* Showcase Grid */
.showcase-grid {
  display: flex;
  flex-direction: column;
  gap: 2.75rem;
}

/* Individual Project Card */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.project-card:hover {
  border-color: var(--card-border-hover, var(--border-hover));
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 35px var(--card-glow, transparent);
}

/* Card Visual / Preview */
.project-visual {
  position: relative;
  background: #081424;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 380px;
}

.project-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-visual-img {
  transform: scale(1.04);
}

/* Browser mockup wrapper */
.browser-mockup {
  width: 90%;
  background: #0b1c31;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  transition: transform 0.4s ease;
}

.project-card:hover .browser-mockup {
  transform: translateY(-6px);
}

.browser-bar {
  background: #071526;
  padding: 0.55rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.browser-dots {
  display: flex;
  gap: 5px;
}

.browser-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2a3a50;
}

.browser-dots span:nth-child(1) { background: #ef4444; }
.browser-dots span:nth-child(2) { background: #eab308; }
.browser-dots span:nth-child(3) { background: #22c55e; }

.browser-url {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-url span.subpath {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Card Content */
.project-content {
  padding: 2.75rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-meta-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tag-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.25);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}

.status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
}

.project-title {
  font-size: 1.6rem;
  margin-bottom: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

/* Feature List */
.project-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}

.project-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: #cbd5e1;
}

.project-features li .check-icon {
  color: var(--card-accent, var(--accent-cyan));
  flex-shrink: 0;
  margin-top: 2px;
}

/* Tech Stack Tags */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  color: var(--text-dim);
}

/* Project Actions */
.project-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--card-accent, var(--accent-blue));
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 14px var(--card-glow, rgba(37, 99, 235, 0.3));
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--card-glow, rgba(37, 99, 235, 0.45));
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Theme Accents for Cards */
.card-area17 {
  --card-accent: var(--c-area17);
  --card-border-hover: rgba(234, 88, 12, 0.4);
  --card-glow: var(--c-area17-glow);
}

.card-serdam {
  --card-accent: var(--c-serdam);
  --card-border-hover: rgba(245, 158, 11, 0.4);
  --card-glow: var(--c-serdam-glow);
}

.card-galaxy {
  --card-accent: var(--c-galaxy);
  --card-border-hover: rgba(99, 102, 241, 0.4);
  --card-glow: var(--c-galaxy-glow);
}

/* Graphic Art for Project Preview */
.art-mockup-area17 {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: radial-gradient(circle at center, #1b120c, #0a0604 80%);
}

.art-badge-17 {
  width: 72px;
  height: 72px;
  background: #ea580c;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 8px 24px rgba(234, 88, 12, 0.4);
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Engineering Philosophy Section
   ========================================================================== */
.philosophy-section {
  padding: 4rem 0;
  border-top: 1px solid var(--border-subtle);
  background: rgba(10, 23, 39, 0.4);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
}

.pillar-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

.pillar-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #040910;
  padding: 3.5rem 0 2rem;
  margin-top: auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-info {
  max-width: 400px;
}

.footer-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  line-height: 1.6;
}

.footer-links-group {
  display: flex;
  gap: 3.5rem;
  flex-wrap: wrap;
}

.footer-col h5 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-bottom a {
  color: var(--accent-cyan);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 960px) {
  .project-card {
    grid-template-columns: 1fr;
  }
  
  .project-visual {
    min-height: 280px;
  }

  .project-content {
    padding: 2rem 1.75rem;
  }

  .nav-links {
    display: none; /* simple mobile nav */
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 3.5rem 0 2rem;
  }

  .hero-stats {
    flex-direction: column;
    align-items: stretch;
  }

  .project-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .footer-links-group {
    gap: 2rem;
  }
}