/* ===========================
   XEN PROJECT — STYLE.CSS
=========================== */

:root {
  --bg: #050810;
  --bg2: #080d1a;
  --surface: #0c1224;
  --surface2: #101828;
  --accent: #00f5ff;
  --accent2: #7b2fff;
  --accent3: #ff2d6e;
  --text: #e8eaf0;
  --text-dim: #6b7894;
  --text-muted: #3a4460;
  --border: rgba(0, 245, 255, 0.15);
  --glow: 0 0 20px rgba(0, 245, 255, 0.3);
  --glow2: 0 0 30px rgba(0, 245, 255, 0.15);
  --font-display: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* ===== OVERLAYS ===== */
.noise {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4;
}
.scanlines {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,245,255,0.015) 2px, rgba(0,245,255,0.015) 4px);
}
.cursor-glow {
  position: fixed; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,255,0.06) 0%, transparent 70%);
  pointer-events: none; transform: translate(-50%,-50%); transition: all 0.1s ease; z-index: 1;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 3rem;
  background: rgba(5,8,16,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { font-family: var(--font-display); font-size: 1.1rem; font-weight: 900; letter-spacing: 4px; }
.logo-bracket { color: var(--accent); }
.logo-text { color: var(--text); margin: 0 4px; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-link {
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-dim);
  text-decoration: none; letter-spacing: 1px; transition: color 0.3s; position: relative;
}
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px; background: var(--accent); transition: width 0.3s; }
.nav-link:hover { color: var(--accent); }
.nav-link:hover::after { width: 100%; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--accent); transition: all 0.35s ease; transform-origin: center; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav-links.mobile-open {
  display: flex !important; flex-direction: column; position: absolute;
  top: 100%; left: 0; right: 0;
  background: rgba(5,8,16,0.97); border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem; gap: 1.4rem;
  backdrop-filter: blur(20px);
  animation: slideDown 0.3s ease;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: space-between;
  padding: 8rem 3rem 4rem; position: relative; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,245,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0,245,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove { from { transform: translateY(0); } to { transform: translateY(60px); } }
.hero-content { position: relative; z-index: 2; max-width: 600px; }
.hero-tag { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); letter-spacing: 3px; margin-bottom: 1rem; animation: fadeDown 0.8s ease forwards; }
.hero-title { font-family: var(--font-display); font-weight: 900; line-height: 0.9; margin-bottom: 1.5rem; }
.line1 { display: block; font-size: clamp(4rem,10vw,8rem); color: transparent; -webkit-text-stroke: 2px var(--accent); text-shadow: var(--glow); animation: fadeDown 0.8s 0.2s ease both; }
.line2 { display: block; font-size: clamp(2.5rem,6vw,5rem); color: var(--text); letter-spacing: 8px; animation: fadeDown 0.8s 0.4s ease both; }
.hero-sub { font-family: var(--font-mono); font-size: 1rem; color: var(--text-dim); margin-bottom: 2.5rem; min-height: 1.6rem; animation: fadeDown 0.8s 0.6s ease both; }
.cursor { animation: blink 1s infinite; color: var(--accent); }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-buttons { display: flex; gap: 1rem; margin-bottom: 3rem; animation: fadeDown 0.8s 0.8s ease both; flex-wrap: wrap; }
.btn {
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 700; letter-spacing: 3px;
  padding: 0.8rem 2rem; border: none; cursor: pointer; text-decoration: none; transition: all 0.3s; display: inline-block;
}
.btn-primary { background: var(--accent); color: var(--bg); clip-path: polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%); }
.btn-primary:hover { background: var(--accent2); box-shadow: 0 0 30px rgba(123,47,255,0.5); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); clip-path: polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%); }
.btn-outline:hover { background: rgba(0,245,255,0.1); box-shadow: var(--glow); }
.hero-stats { display: flex; align-items: center; gap: 2rem; animation: fadeDown 0.8s 1s ease both; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-family: var(--font-display); font-size: 1.4rem; color: var(--accent); font-weight: 900; }
.stat-label { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-muted); letter-spacing: 2px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* HERO VISUAL */
.hero-visual { position: relative; width: 350px; height: 350px; flex-shrink: 0; animation: fadeIn 1.2s 0.5s ease both; }
.hex-ring { position: absolute; border-radius: 50%; border: 1px solid var(--accent); }
.ring1 { inset: 0; opacity: 0.4; animation: spin 20s linear infinite; }
.ring2 { inset: 30px; opacity: 0.25; border-color: var(--accent2); animation: spin 15s linear infinite reverse; }
.ring3 { inset: 60px; opacity: 0.15; animation: spin 10s linear infinite; }
@keyframes spin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
.center-logo {
  position: absolute; inset: 90px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,255,0.1) 0%, transparent 70%);
  border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center;
  box-shadow: var(--glow), inset 0 0 30px rgba(0,245,255,0.05);
}
.center-inner { font-family: var(--font-display); font-size: 2.5rem; font-weight: 900; color: var(--accent); text-shadow: var(--glow); }

/* ===== SECTIONS COMMON ===== */
section { padding: 6rem 3rem; position: relative; }
.section-header { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 4rem; }
.section-num { font-family: var(--font-display); font-size: 0.7rem; color: var(--accent); letter-spacing: 3px; }
.section-title { font-family: var(--font-display); font-size: clamp(1.5rem,3vw,2rem); font-weight: 900; color: var(--text); letter-spacing: 4px; }
.section-line { flex: 1; height: 1px; background: var(--border); }

/* ===== ABOUT ===== */
.about { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; align-items: start; }
.about-card {
  background: var(--surface); border: 1px solid var(--border); padding: 2.5rem;
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem;
  position: relative; overflow: hidden;
}
.about-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.avatar-hex { width: 120px; height: 120px; border-radius: 50%; background: radial-gradient(circle, rgba(0,245,255,0.15) 0%, transparent 70%); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; box-shadow: var(--glow); }
.avatar-inner { font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: var(--accent); }
.avatar-status { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.75rem; color: #00ff88; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #00ff88; box-shadow: 0 0 8px #00ff88; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(0.8)} }
.about-name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 900; color: var(--text); text-align: center; }
.about-role { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); letter-spacing: 2px; text-align: center; }
.about-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.tag { font-family: var(--font-mono); font-size: 0.65rem; color: var(--accent2); border: 1px solid rgba(123,47,255,0.3); padding: 3px 10px; letter-spacing: 1px; }

/* TERMINAL */
.terminal-window { background: #010408; border: 1px solid var(--border); border-radius: 2px; overflow: hidden; }
.terminal-header { display: flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.t-dot { width: 12px; height: 12px; border-radius: 50%; }
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #febc2e; }
.t-dot.green { background: #28c840; }
.t-title { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim); margin-left: 0.5rem; }
.terminal-body { padding: 1.5rem; font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.8; }
.terminal-body p { color: var(--text-dim); }
.terminal-body .cmd { color: var(--accent); }
.terminal-body .output { color: #8892a4; padding-left: 1rem; }
.terminal-body .output strong { color: var(--accent); }
.terminal-body .highlight { color: var(--accent); font-weight: bold; }
.blink-line { color: var(--accent); animation: blink 1s infinite; }

/* ===== SKILLS ===== */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.skill-card {
  background: var(--surface); border: 1px solid var(--border); padding: 2rem;
  transition: all 0.3s; position: relative; overflow: hidden;
}
.skill-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); transform: scaleX(0); transition: transform 0.3s; }
.skill-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--glow2); }
.skill-card:hover::after { transform: scaleX(1); }
.skill-icon { font-size: 2rem; margin-bottom: 1rem; }
.skill-card h4 { font-family: var(--font-display); font-size: 0.8rem; font-weight: 700; color: var(--accent); letter-spacing: 2px; margin-bottom: 0.75rem; }
.skill-card p { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 1.5rem; line-height: 1.6; }
.skill-bar { height: 2px; background: var(--surface2); border-radius: 1px; overflow: hidden; }
.skill-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); width: 0%; transition: width 1.5s ease; box-shadow: var(--glow); }

/* ===== PROJECTS ===== */
.projects { background: var(--bg2); }
.projects-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; }
.project-card { background: var(--surface); border: 1px solid var(--border); padding: 2rem; transition: all 0.3s; position: relative; }
.project-card:hover { border-color: var(--accent2); transform: translateY(-4px); box-shadow: 0 0 30px rgba(123,47,255,0.15); }
.project-card.featured { grid-column: span 2; border-color: rgba(0,245,255,0.3); }
.project-tag { font-family: var(--font-mono); font-size: 0.6rem; color: var(--accent3); letter-spacing: 3px; margin-bottom: 0.5rem; }
.project-num { font-family: var(--font-display); font-size: 3rem; font-weight: 900; color: var(--border); line-height: 1; margin-bottom: 0.5rem; }
.project-card h3 { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; color: var(--text); letter-spacing: 2px; margin-bottom: 1rem; }
.project-card p { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 1.5rem; line-height: 1.7; }
.proj-link { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); text-decoration: none; transition: 0.3s; }
.proj-link:hover { color: var(--accent2); }

/* ===== CONTACT ===== */
.contact-content { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: start; }
.contact-text p { font-size: 1rem; color: var(--text-dim); margin-bottom: 0.5rem; line-height: 1.8; }
.contact-info { margin: 2rem 0; display: flex; flex-direction: column; gap: 1rem; }
.contact-item { display: flex; align-items: center; gap: 1rem; font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-dim); }
.c-icon { font-size: 1.1rem; }
.social-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.social-btn { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); border: 1px solid var(--border); padding: 0.5rem 1rem; text-decoration: none; letter-spacing: 2px; transition: 0.3s; }
.social-btn:hover { background: rgba(0,245,255,0.1); border-color: var(--accent); }
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); letter-spacing: 2px; }
.form-group input,
.form-group textarea { background: var(--surface); border: 1px solid var(--border); color: var(--text); padding: 0.8rem 1rem; font-family: var(--font-body); font-size: 0.9rem; outline: none; resize: none; transition: border-color 0.3s; }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 10px rgba(0,245,255,0.1); }
.form-success { font-family: var(--font-mono); font-size: 0.85rem; color: #00ff88; display: none; text-align: center; }

/* ===== FOOTER ===== */
.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 2.5rem 3rem; text-align: center; }
.footer-content { display: flex; flex-direction: column; gap: 0.5rem; align-items: center; }
.footer-text { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim); }
.footer-copy { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-muted); }

/* ===== ANIMATIONS ===== */
@keyframes fadeDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== CURSOR ===== */
* { cursor: none !important; }

/* ===== MODAL SCROLLBAR ===== */
#modal-okul ::-webkit-scrollbar, #modal-ag ::-webkit-scrollbar { width: 3px; height: 3px; }
#modal-okul ::-webkit-scrollbar-track, #modal-ag ::-webkit-scrollbar-track { background: #050810; }
#modal-okul ::-webkit-scrollbar-thumb, #modal-ag ::-webkit-scrollbar-thumb { background: rgba(0,245,255,0.3); border-radius: 2px; }
.xpm-row:hover { background: rgba(0,245,255,0.03) !important; cursor: pointer; }

/* ===== RESPONSIVE — TABLET ===== */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card.featured { grid-column: span 2; }
}

@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; padding-top: 7rem; gap: 3rem; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { width: 260px; height: 260px; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
  .contact-content { grid-template-columns: 1fr; gap: 2.5rem; }
  body { cursor: default; }
  * { cursor: auto !important; }
  .cursor-glow { display: none; }
  #cursorDot, #cursorRing { display: none !important; }
}

/* ===== RESPONSIVE — MOBILE ===== */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  section { padding: 4rem 1.5rem; }
  .hero { padding: 6rem 1.5rem 3rem; }
  .hero-visual { width: 200px; height: 200px; }
  .center-logo { inset: 60px; }
  .center-inner { font-size: 1.8rem; }
  .ring2 { inset: 20px; }
  .ring3 { inset: 40px; }
  .skills-grid { grid-template-columns: 1fr; }
  .section-header { gap: 1rem; margin-bottom: 2.5rem; }
  .about-grid { gap: 2rem; }
  .about-card { padding: 1.8rem; }
  .contact-content { gap: 2rem; }
  .footer { padding: 2rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero { padding: 5.5rem 1.2rem 2.5rem; }
  .line1 { font-size: clamp(3rem, 16vw, 5rem); }
  .line2 { font-size: clamp(1.8rem, 8vw, 3rem); letter-spacing: 4px; }
  .hero-stats { gap: 1.2rem; }
  .stat-divider { height: 30px; }
  .btn { padding: 0.7rem 1.5rem; font-size: 0.65rem; }
  .project-num { font-size: 2rem; }
  .skill-card { padding: 1.5rem; }
  .terminal-body { padding: 1rem; font-size: 0.78rem; }
  .about-name { font-size: 1.2rem; }
  section { padding: 3.5rem 1.2rem; }
  .footer { padding: 1.8rem 1.2rem; }
  .social-links { gap: 0.6rem; }
  .social-btn { padding: 0.4rem 0.8rem; font-size: 0.7rem; }
}