@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #080c10;
  --bg2: #0d1117;
  --surface: #111820;
  --surface2: #182030;
  --accent: #00e5ff;
  --accent2: #7c3aed;
  --text: #f0f4fa;
  --text-muted: #8a97ab;
  --border: rgba(255,255,255,0.07);
  --radius: 16px;
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent2); border-radius: 2px; }

.container { width: min(90%, 1200px); margin: auto; }

/* HEADER */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8, 12, 16, 0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0;
}

.header-content h1 {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

nav ul { list-style: none; display: flex; gap: 4px; }
nav ul li a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.88rem; font-weight: 500; letter-spacing: 0.05em;
  text-transform: uppercase; padding: 8px 14px; border-radius: 8px;
  transition: all 0.25s ease;
}
nav ul li a:hover { color: var(--text); background: var(--surface); }

/* ABOUT / HERO */
#about {
  min-height: 92vh; display: flex; align-items: center;
  position: relative; padding: 80px 20px; overflow: hidden;
}
#about::before {
  content: ''; position: absolute; top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
  pointer-events: none;
}
#about::after {
  content: ''; position: absolute; bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,229,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.about-inner { position: relative; z-index: 1; max-width: 760px; }

.about-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,229,255,0.08); border: 1px solid rgba(0,229,255,0.2);
  color: var(--accent); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px; margin-bottom: 32px;
  animation: fadeInUp 0.5s ease both;
}
.about-badge::before {
  content: ''; width: 6px; height: 6px;
  background: var(--accent); border-radius: 50%;
  animation: dot-pulse 2s infinite;
}
@keyframes dot-pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.4; transform:scale(0.7); }
}

.about-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -0.03em;
  margin-bottom: 28px; color: var(--text);
  animation: fadeInUp 0.5s 0.1s ease both;
}
.about-inner h2 span {
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.about-inner > p {
  font-size: 1.1rem; color: var(--text-muted);
  max-width: 580px; line-height: 1.85; font-weight: 400;
  animation: fadeInUp 0.5s 0.2s ease both;
}

.about-cta {
  margin-top: 48px; display: flex; gap: 16px; flex-wrap: wrap;
  animation: fadeInUp 0.5s 0.3s ease both;
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #000;
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.9rem; letter-spacing: 0.03em;
  padding: 14px 28px; border-radius: 10px; text-decoration: none;
  transition: all 0.25s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,229,255,0.35); }

.btn-secondary {
  display: inline-flex; align-items: center;
  background: transparent; color: var(--text);
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.9rem; padding: 14px 28px; border-radius: 10px;
  text-decoration: none; border: 1px solid var(--border); transition: all 0.25s ease;
}
.btn-secondary:hover { background: var(--surface); border-color: rgba(255,255,255,0.15); }

.stats-row {
  display: flex; gap: 48px; margin-top: 64px;
  padding-top: 48px; border-top: 1px solid var(--border);
  flex-wrap: wrap; animation: fadeInUp 0.5s 0.4s ease both;
}
.stat-number {
  font-family: var(--font-display); font-size: 2.5rem;
  font-weight: 800; letter-spacing: -0.03em; line-height: 1;
}
.stat-number span { color: var(--accent); }
.stat-label {
  font-size: 0.8rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px;
}

/* PROJECTS */
#projects { padding: 120px 20px; }

.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 64px; gap: 20px; flex-wrap: wrap;
}
.section-label {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
h2.section-title {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; letter-spacing: -0.03em; color: var(--text);
  text-align: left; margin-bottom: 0;
}
.section-count {
  font-family: var(--font-display); font-size: 1rem;
  color: var(--text-muted); font-weight: 500; padding-bottom: 8px;
}

.project-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.project {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: all 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
  position: relative;
}
.project:hover {
  transform: translateY(-6px);
  border-color: rgba(0,229,255,0.2);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,229,255,0.08);
}

.project-image-wrap {
  position: relative; overflow: hidden;
  background: var(--surface2); height: 210px;
}
.project-image {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease; display: block;
}
.project:hover .project-image { transform: scale(1.06); }

.project-image-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem;
  background: linear-gradient(135deg, #0d1520, #1a2535);
}

.project-tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  color: var(--accent); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 6px;
  border: 1px solid rgba(0,229,255,0.2);
}

.project-content {
  padding: 24px; flex-grow: 1;
  display: flex; flex-direction: column; position: relative; z-index: 2;
}
.project-content h3 {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  color: var(--text); margin-bottom: 10px;
  letter-spacing: -0.01em; line-height: 1.3;
}
.project-content p {
  font-size: 0.93rem; color: var(--text-muted);
  line-height: 1.75; flex-grow: 1; margin-bottom: 20px; font-weight: 400;
}

.project-link {
  align-self: flex-start; text-decoration: none;
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.82rem; letter-spacing: 0.04em; color: var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border: 1px solid rgba(0,229,255,0.25);
  border-radius: 8px; transition: all 0.25s ease;
  background: rgba(0,229,255,0.05);
}
.project-link::after { content: '→'; transition: transform 0.2s ease; }
.project-link:hover { background: var(--accent); color: #000; border-color: var(--accent); }
.project-link:hover::after { transform: translateX(3px); }

/* CONTACT */
#contact { padding: 120px 20px; position: relative; }
#contact::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  position: relative; z-index: 1;
  max-width: 700px; margin: 0 auto; text-align: center;
}
.contact-inner .section-label { text-align: center; }
.contact-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800; letter-spacing: -0.03em;
  color: var(--text); margin-bottom: 20px;
}
.contact-inner > p {
  font-size: 1.05rem; color: var(--text-muted);
  font-weight: 400; margin-bottom: 48px;
}

.contact-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px;
  display: inline-flex; align-items: center; gap: 20px;
  transition: all 0.3s ease; text-decoration: none;
}
.contact-card:hover {
  border-color: rgba(0,229,255,0.25);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  transform: translateY(-4px);
}
.contact-icon {
  width: 52px; height: 52px;
  background: rgba(0,229,255,0.1); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
}
.contact-info { text-align: left; }
.contact-info small {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-muted); font-weight: 600;
}
.contact-info strong {
  display: block; font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700; color: var(--accent); margin-top: 4px;
}

/* FOOTER */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 32px 20px; text-align: center;
  color: var(--text-muted); font-size: 0.85rem;
}
footer span { color: var(--accent); }

@keyframes fadeInUp {
  from { opacity:0; transform:translateY(30px); }
  to   { opacity:1; transform:translateY(0); }
}

@media (max-width: 768px) {
  .project-container { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .stats-row { gap: 32px; }
  nav ul li a { padding: 6px 8px; font-size: 0.78rem; letter-spacing: 0.02em; }
  .contact-card { flex-direction: column; text-align: center; }
  .contact-info { text-align: center; }
}