@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=JetBrains+Mono:wght@300;400;500;600&family=Source+Sans+3:wght@300;400;500;600&display=swap');

:root {
  --ds: #001628;
  --ib: #99D9D9;
  --bd: #355464;
  --sh: #68A2B9;
  --ra: #E9072B;
  --cb: #0d2438;
  --tm: #8ba4b8;
  --tl: #c8dce8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--ds); color: #fff; font-family: 'Source Sans 3', sans-serif; overflow-x: hidden; }

/* === BUTTONS === */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px;
  border-radius: 6px; background: linear-gradient(135deg, var(--ib), var(--sh));
  color: var(--ds); font-family: 'JetBrains Mono', monospace; font-size: 14px;
  font-weight: 600; text-decoration: none; letter-spacing: .05em; text-transform: uppercase;
  transition: all .3s ease; border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px #99D9D933; }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px;
  border-radius: 6px; border: 1px solid var(--bd); background: transparent;
  color: var(--tl); font-family: 'JetBrains Mono', monospace; font-size: 14px;
  font-weight: 500; text-decoration: none; letter-spacing: .05em; text-transform: uppercase;
  transition: all .3s ease; cursor: pointer;
}
.btn-secondary:hover { border-color: var(--ib); color: var(--ib); }

/* === NAV BACK BAR (showcase pages) === */
.nav-back {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(0,22,40,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid #35546433; padding: 12px 24px;
  display: flex; align-items: center; gap: 12px;
}
.nav-back a { color: var(--ib); text-decoration: none; font-family: 'JetBrains Mono', monospace; font-size: 13px; transition: color .2s; }
.nav-back a:hover { color: #fff; }
.nav-back .pn { color: #fff; font-family: 'Playfair Display', serif; font-size: 16px; font-weight: 700; margin-left: auto; }

/* === HERO === */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  justify-content: center; overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, #35546433 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, #68A2B922 0%, transparent 40%),
    radial-gradient(ellipse at 50% 80%, #E9072B0a 0%, transparent 50%), var(--ds);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(#35546415 1px, transparent 1px), linear-gradient(90deg, #35546415 1px, transparent 1px);
  background-size: 60px 60px; opacity: .4;
}
.hero-content {
  position: relative; z-index: 2; text-align: center; padding: 0 24px; max-width: 900px;
  animation: heroIn 1.2s cubic-bezier(.16,1,.3,1) both;
}
@keyframes heroIn { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px;
  border-radius: 20px; border: 1px solid #99D9D933; background: #99D9D90a;
  margin-bottom: 32px; font-size: 13px; color: var(--ib);
  letter-spacing: .08em; text-transform: uppercase; font-family: 'JetBrains Mono', monospace;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ra); box-shadow: 0 0 8px #E9072B88; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }
.hero h1 { font-family: 'Playfair Display', serif; font-size: clamp(42px,7vw,84px); font-weight: 700; line-height: 1.05; letter-spacing: -.02em; margin-bottom: 8px; }
.hero-subtitle { font-family: 'JetBrains Mono', monospace; font-size: clamp(14px,2vw,18px); color: var(--ib); margin-bottom: 28px; letter-spacing: .15em; text-transform: uppercase; }
.hero-desc { font-size: clamp(16px,1.8vw,20px); color: var(--tl); max-width: 650px; margin: 0 auto 40px; line-height: 1.7; opacity: .85; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.stats { display: flex; justify-content: center; gap: clamp(24px,5vw,64px); margin-top: 64px; flex-wrap: wrap; }
.stat-num { font-family: 'Playfair Display', serif; font-size: 36px; font-weight: 700; color: var(--ib); }
.stat-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--tm); text-transform: uppercase; letter-spacing: .1em; }
.scroll-indicator { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); animation: bob 2s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }
.scroll-mouse { width: 24px; height: 38px; border-radius: 12px; border: 2px solid var(--bd); display: flex; justify-content: center; padding-top: 6px; }
.scroll-dot { width: 3px; height: 8px; border-radius: 2px; background: var(--ib); animation: sdot 2s ease-in-out infinite; }
@keyframes sdot { 0%,100% { opacity:0; transform:translateY(0); } 50% { opacity:1; transform:translateY(6px); } }
.orb { position: absolute; border-radius: 50%; pointer-events: none; }
.orb-1 { width:80px;height:80px;background:radial-gradient(circle,#99D9D908,transparent 70%);left:15%;top:20%;animation:f0 8s ease-in-out infinite; }
.orb-2 { width:120px;height:120px;background:radial-gradient(circle,#68A2B908,transparent 70%);left:33%;top:57%;animation:f1 10s ease-in-out infinite; }
.orb-3 { width:160px;height:160px;background:radial-gradient(circle,#99D9D908,transparent 70%);left:51%;top:34%;animation:f2 12s ease-in-out infinite; }
@keyframes f0{0%,100%{transform:translate(0,0)}33%{transform:translate(10px,-15px)}66%{transform:translate(-8px,8px)}}
@keyframes f1{0%,100%{transform:translate(0,0)}33%{transform:translate(15px,-18px)}66%{transform:translate(-11px,12px)}}
@keyframes f2{0%,100%{transform:translate(0,0)}33%{transform:translate(20px,-21px)}66%{transform:translate(-14px,16px)}}

/* === PROJECTS GRID === */
.projects-section { padding: 100px 24px; max-width: 1200px; margin: 0 auto; }
.section-tag { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--ib); letter-spacing: .15em; text-transform: uppercase; margin-bottom: 12px; text-align: center; }
.section-title { font-family: 'Playfair Display', serif; font-size: clamp(32px,4vw,48px); font-weight: 700; margin: 0 0 16px; text-align: center; }
.section-desc { font-size: 16px; color: var(--tm); max-width: 550px; margin: 0 auto 40px; line-height: 1.6; text-align: center; }
.filters { display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--tm); background: transparent; border: 1px solid #35546455; padding: 8px 16px; border-radius: 6px; cursor: pointer; transition: all .3s; letter-spacing: .04em; text-transform: uppercase; }
.filter-btn.active { color: var(--ds); background: var(--ib); border-color: var(--ib); }
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; }
.project-card {
  background: var(--cb); border-radius: 12px; border: 1px solid #35546455;
  padding: 28px 24px; transition: all .4s cubic-bezier(.16,1,.3,1);
  display: flex; flex-direction: column; gap: 16px; position: relative; overflow: hidden;
  cursor: pointer; animation: fadeUp .6s both ease-out; text-decoration: none; color: inherit;
}
.project-card:hover { transform: translateY(-4px); border-color: #99D9D944; box-shadow: 0 12px 40px #99D9D911; }
.project-card .al { position: absolute; top:0;left:0;right:0;height:2px; background: linear-gradient(90deg,transparent,#99D9D966,transparent); opacity:0; transition: opacity .3s; }
.project-card:hover .al { opacity: 1; }
.project-card .vl { position: absolute; bottom:16px; right:20px; font-family:'JetBrains Mono',monospace; font-size:10px; color:var(--ib); text-transform:uppercase; letter-spacing:.1em; opacity:0; transition:opacity .3s; }
.project-card:hover .vl { opacity: 1; }
@keyframes fadeUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
.card-header { display: flex; justify-content: space-between; align-items: flex-start; }
.card-ta { display: flex; align-items: center; gap: 12px; }
.card-icon { font-size: 28px; }
.card-name { font-family: 'Playfair Display', serif; font-size: 20px; font-weight: 700; }
.card-tag { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ib); letter-spacing: .05em; margin-top: 2px; }
.sb { font-family: 'JetBrains Mono', monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; padding: 4px 10px; border-radius: 4px; white-space: nowrap; }
.sb-g { color: #4ade80; border: 1px solid #4ade8033; }
.sb-b { color: var(--ib); border: 1px solid #99D9D933; }
.sb-m { color: var(--tm); border: 1px solid #8ba4b833; }
.card-desc { font-size: 14px; color: var(--tl); line-height: 1.65; opacity: .8; flex: 1; }
.tech-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tech-tag { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--sh); background: #35546444; padding: 3px 8px; border-radius: 3px; }
.card-cat { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--tm); letter-spacing: .06em; text-transform: uppercase; padding-top: 8px; border-top: 1px solid #35546433; }

/* === VISION === */
.vision-section { padding: 100px 24px; position: relative; overflow: hidden; }
.vision-bg { position: absolute; inset: 0; background: linear-gradient(180deg, transparent, #35546415, transparent); }
.vision-content { max-width: 800px; margin: 0 auto; position: relative; z-index: 2; }
.vc { padding: 28px 32px; border-radius: 10px; background: #0d2438cc; border: 1px solid #35546444; backdrop-filter: blur(8px); margin-bottom: 24px; }
.vc h3 { font-family: 'Playfair Display', serif; font-size: 20px; font-weight: 700; color: var(--ib); margin-bottom: 12px; }
.vc p { font-size: 15px; color: var(--tl); line-height: 1.7; opacity: .85; }

/* === FOOTER === */
.footer { padding: 48px 24px; border-top: 1px solid #35546433; text-align: center; }
.footer h3 { font-family: 'Playfair Display', serif; font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.footer p { font-size: 15px; color: var(--tm); margin-bottom: 24px; }
.footer-copy { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--bd); letter-spacing: .06em; }

/* === SHOWCASE PAGES === */
.showcase { min-height: 100vh; padding: 80px 24px 60px; max-width: 1100px; margin: 0 auto; animation: showcaseIn .5s ease-out both; }
@keyframes showcaseIn { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
.sh-header { margin-bottom: 48px; }
.sh-header .icon-lg { font-size: 48px; margin-bottom: 16px; }
.sh-header h2 { font-family: 'Playfair Display', serif; font-size: clamp(32px,5vw,52px); font-weight: 700; margin-bottom: 8px; }
.sh-header .tagline { font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--ib); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 20px; }
.sh-header p { font-size: 17px; color: var(--tl); line-height: 1.7; max-width: 700px; opacity: .85; }
.sh-section { margin-bottom: 48px; }
.sh-section h3 { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--ib); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 20px; padding-bottom: 8px; border-bottom: 1px solid #35546444; }

/* Mockup window */
.mw { background: #0a1420; border: 1px solid #35546455; border-radius: 10px; overflow: hidden; margin-bottom: 24px; }
.mw-bar { background: #0d1a28; padding: 10px 16px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid #35546433; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ef4444; } .dot-y { background: #eab308; } .dot-g { background: #22c55e; }
.mw-bar span { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--tm); margin-left: 8px; }
.mw-body { padding: 24px; }

/* Mock elements */
.mock-split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mp { background: #111c2a; border: 1px solid #35546433; border-radius: 8px; padding: 16px; }
.ml { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--tm); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.mv { font-family: 'JetBrains Mono', monospace; font-size: 24px; font-weight: 700; color: var(--ib); }
.mv-g { color: #4ade80; } .mv-r { color: #ef4444; } .mv-o { color: #f97316; }
.ms { font-size: 11px; color: var(--tm); margin-top: 4px; font-family: 'JetBrains Mono', monospace; }
.chat-b { background: #162030; border: 1px solid #35546433; border-radius: 12px 12px 12px 2px; padding: 12px 16px; margin-bottom: 12px; max-width: 80%; font-size: 13px; color: var(--tl); line-height: 1.6; }
.chat-b.user { background: #1a3050; border-color: #99D9D922; border-radius: 12px 12px 2px 12px; margin-left: auto; }
.chat-input { background: #111c2a; border: 1px solid #35546444; border-radius: 8px; padding: 10px 14px; font-size: 13px; color: var(--tm); }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.fc { background: var(--cb); border: 1px solid #35546444; border-radius: 8px; padding: 20px; }
.fc h4 { font-family: 'Playfair Display', serif; font-size: 16px; color: #fff; margin-bottom: 8px; }
.fc p { font-size: 13px; color: var(--tm); line-height: 1.6; }

.arch-flow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 20px; background: #0a1420; border-radius: 8px; border: 1px solid #35546433; justify-content: center; }
.arch-node { background: #162030; border: 1px solid #35546455; border-radius: 6px; padding: 10px 16px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ib); text-align: center; min-width: 100px; }
.arch-node.hl { border-color: var(--ib); background: #1a3050; }
.arch-arrow { color: var(--bd); font-size: 18px; }

.mock-gauge { width: 120px; height: 60px; position: relative; margin: 0 auto; border-radius: 60px 60px 0 0; overflow: hidden; background: conic-gradient(from 0.75turn, #ef4444 0deg, #f97316 60deg, #eab308 120deg, #4ade80 180deg); }
.mock-gauge-inner { position: absolute; bottom: 0; left: 12px; right: 12px; height: 48px; background: #111c2a; border-radius: 48px 48px 0 0; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 4px; }
.mock-gauge-val { font-family: 'JetBrains Mono', monospace; font-size: 18px; font-weight: 700; color: #4ade80; }

.mock-table { width: 100%; font-size: 12px; border-collapse: collapse; }
.mock-table th { text-align: left; font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--tm); text-transform: uppercase; letter-spacing: .06em; padding: 8px 6px; border-bottom: 1px solid #35546444; }
.mock-table td { padding: 8px 6px; border-bottom: 1px solid #35546422; color: var(--tl); }

@media (max-width: 768px) {
  .project-grid { grid-template-columns: 1fr; }
  .mock-split { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
}