/* ============================================
   NovupSoft Design System
   Colors: #080808 bg, #00D4FF accent, #00FF88 green, #F0F0F0 text
   Fonts: Oxanium (headings), DM Sans (body)
   ============================================ */

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

:root {
  --bg: #080808;
  --bg-card: #0f0f0f;
  --bg-card-hover: #161616;
  --accent: #00D4FF;
  --green: #00FF88;
  --text: #F0F0F0;
  --text-dim: #8a8a8a;
  --glass: rgba(15, 15, 15, 0.7);
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

/* Dot grid pattern for specific sections */
.dot-pattern {
  position: relative;
}
.dot-pattern::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: radial-gradient(circle, var(--text) 1px, transparent 1px);
  background-size: 30px 30px;
}

h1, h2, h3, h4 { font-family: 'Oxanium', sans-serif; font-weight: 700; letter-spacing: -0.02em; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--green); }
img { max-width: 100%; display: block; }

/* --- Utility --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.section { padding: 120px 0; position: relative; }
.section-label {
  font-family: 'Oxanium', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}
.section-title { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 20px; line-height: 1.15; }
.section-subtitle { color: var(--text-dim); font-size: 1.1rem; max-width: 560px; margin-bottom: 60px; }
.accent { color: var(--accent); }
.green { color: var(--green); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s var(--transition), transform 0.6s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 12px 0;
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.nav-logo {
  font-family: 'Oxanium', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav-links a {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

/* Mobile hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); transition: var(--transition); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; z-index: 1001; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 70%; height: 100vh;
    flex-direction: column;
    background: var(--bg);
    padding: 100px 40px;
    gap: 24px;
    transition: right 0.4s ease;
  }
  .nav-links.open { right: 0; }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

/* --- Hero --- */
#hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}
.hero-content h1 {
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content .tagline {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--text-dim);
  margin-bottom: 40px;
  font-weight: 400;
}
.btn-neon {
  display: inline-block;
  padding: 16px 40px;
  font-family: 'Oxanium', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 60px;
  cursor: pointer;
  position: relative;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition);
  overflow: hidden;
}
.btn-neon::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 60px;
  background: var(--accent);
  opacity: 0;
  filter: blur(16px);
  transition: opacity 0.4s ease;
  z-index: -1;
}
.btn-neon:hover { color: var(--bg); transform: translateY(-2px); box-shadow: 0 0 30px rgba(0, 212, 255, 0.4); }
.btn-neon:hover::before { opacity: 0.6; }

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bounce 2s infinite;
}
.scroll-indicator span { font-size: 0.7rem; color: var(--text-dim); letter-spacing: 0.15em; text-transform: uppercase; }
.scroll-arrow { width: 20px; height: 20px; border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(45deg); }

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-12px); }
  60% { transform: translateX(-50%) translateY(-6px); }
}

/* --- About --- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-text p { color: var(--text-dim); font-size: 1.05rem; line-height: 1.8; margin-bottom: 24px; }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-top: 48px; }
.team-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  transform-style: preserve-3d;
  perspective: 800px;
}
.team-card:hover { border-color: rgba(0, 212, 255, 0.2); background: var(--bg-card-hover); }
.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--green));
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Oxanium', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--bg);
  overflow: hidden;
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-card h4 { font-size: 1.1rem; margin-bottom: 4px; }
.team-card .role { color: var(--accent); font-size: 0.85rem; margin-bottom: 12px; }
.team-card .bio { color: var(--text-dim); font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; }
.team-card .linkedin-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-dim); font-size: 0.8rem;
}
.team-card .linkedin-link:hover { color: var(--accent); }

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* --- Services --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover { transform: translateY(-8px); border-color: rgba(0, 212, 255, 0.15); background: var(--bg-card-hover); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 48px; height: 48px;
  margin-bottom: 20px;
  color: var(--accent);
  transition: var(--transition);
}
.service-card:hover .service-icon { color: var(--green); }
.service-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.service-card p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.6; }

@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

/* --- Portfolio --- */
.filter-buttons { display: flex; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }
.filter-btn {
  padding: 10px 24px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 60px;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}
.projects-grid {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 24px;
  padding-bottom: 24px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.projects-grid::-webkit-scrollbar {
  height: 6px;
}
.projects-grid::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 10px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  
  min-width: 320px;
  max-width: 400px;
  flex-shrink: 0;
  scroll-snap-align: start;
}
.project-card:hover { border-color: rgba(0, 212, 255, 0.2); transform: translateY(-4px); }
.project-image {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
}
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-image img { transform: scale(1.08); }
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay .btn-outline {
  padding: 10px 28px;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 60px;
  font-family: 'Oxanium', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  background: transparent;
  cursor: pointer;
}
.project-overlay .btn-outline:hover { background: var(--accent); color: var(--bg); }
.project-info { padding: 24px; }
.project-info h3 { font-size: 1.1rem; margin-bottom: 8px; }
.project-info p { color: var(--text-dim); font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.project-techs { display: flex; gap: 8px; flex-wrap: wrap; }
.tech-tag {
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
  border-radius: 20px;
  font-family: 'Oxanium', sans-serif;
}

@media (max-width: 768px) {
  .projects-grid {
    scrollbar-width: none;
    gap: 16px;
  }
  .projects-grid::-webkit-scrollbar {
    display: none;
  }
  .project-card {
    min-width: 80vw;
    scroll-snap-align: center;
  }
}
/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: start; }
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 16px 20px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  outline: none;
  transition: var(--transition);
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-dim); }
.form-error { color: #ff4444; font-size: 0.8rem; margin-top: 6px; display: none; }

.form-success {
  display: none;
  text-align: center;
  padding: 40px;
  animation: fadeUp 0.5s ease;
}
.form-success.show { display: block; }
.form-success svg { width: 64px; height: 64px; color: var(--green); margin-bottom: 16px; }
.form-success h3 { font-size: 1.3rem; margin-bottom: 8px; }
.form-success p { color: var(--text-dim); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.contact-info { padding-top: 20px; }
.contact-info h3 { font-size: 1.3rem; margin-bottom: 24px; }
.contact-item { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; color: var(--text-dim); font-size: 0.95rem; }
.contact-item svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }
.social-links { display: flex; gap: 16px; margin-top: 32px; }
.social-link {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50%;
  color: var(--text-dim);
  transition: var(--transition);
}
.social-link:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-3px); }
.social-link svg { width: 20px; height: 20px; }

@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

/* --- Footer --- */
.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}
.footer p { color: var(--text-dim); font-size: 0.85rem; }
.footer span { color: var(--accent); }

/* Gradient mesh bg */
.gradient-mesh {
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.07;
  pointer-events: none;
  z-index: 0;
}
.gradient-mesh.blue { background: var(--accent); }
.gradient-mesh.green { background: var(--green); }

/* --- Floating Social Icons (sağ alt) --- */
.floating-socials {
  position: fixed;
  bottom: 32px;
  right: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: floatIn 0.6s ease both;
  animation-delay: 1.5s;
}

@keyframes floatIn {
  from { opacity: 0; transform: translateY(30px) scale(0.8); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.floating-btn {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}
.floating-btn svg {
  width: 24px;
  height: 24px;
}
.floating-btn:hover {
  transform: scale(1.12) translateY(-2px);
  color: #fff;
}

/* WhatsApp — yeşil */
.floating-whatsapp {
  background: #25D366;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}
.floating-whatsapp:hover {
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

/* Instagram — gradient */
.floating-instagram {
  background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  box-shadow: 0 4px 20px rgba(225, 48, 108, 0.3);
}
.floating-instagram:hover {
  box-shadow: 0 6px 30px rgba(225, 48, 108, 0.5);
}

/* Pulse ring animation */
.floating-btn::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0;
  animation: pulse-ring 2.5s ease-in-out infinite;
}
.floating-whatsapp::after { border-color: #25D366; }
.floating-instagram::after { border-color: #e6683c; }

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.4); opacity: 0; }
}

@media (max-width: 768px) {
  .floating-socials { bottom: 70px; right: 12px; z-index: 9999; gap: 10px; }
  .floating-btn { width: 38px; height: 38px; }
  .floating-btn svg { width: 16px; height: 16px; }
}