/* ED Software - Premium Dark Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a1f2e;
  --bg-card-hover: #222939;
  --border: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #06b6d4;
  --accent-hover: #22d3ee;
  --accent-glow: rgba(6,182,212,0.3);
  --accent-bg: rgba(6,182,212,0.1);
  --gradient: linear-gradient(135deg, #06b6d4, #3b82f6);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: all 0.3s ease;
  --header-h: 72px;
  --max-w: 1200px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; scroll-padding-top:var(--header-h); }

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

a { color:var(--accent); text-decoration:none; transition:var(--transition); }
a:hover { color:var(--accent-hover); }
img { max-width:100%; height:auto; display:block; }
.container { max-width:var(--max-w); margin:0 auto; padding:0 20px; }

/* HEADER */
.site-header {
  position:fixed; top:0; left:0; right:0; z-index:1000; padding:16px 0;
  background:transparent; transition:var(--transition); backdrop-filter:blur(0);
}
.site-header.scrolled {
  background:rgba(10,14,23,0.92); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border); padding:10px 0;
}
.header-inner { display:flex; justify-content:space-between; align-items:center; }
.logo { font-size:1.4rem; font-weight:800; color:#fff; -webkit-text-fill-color:initial; letter-spacing:-0.3px; }
.logo-accent { background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.nav-links { display:flex; gap:28px; list-style:none; }
.nav-links a { color:var(--text-secondary); font-weight:500; font-size:0.9rem; position:relative; }
.nav-links a:hover, .nav-links a.active { color:var(--accent); }
.nav-links a::after {
  content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px;
  background:var(--gradient); transition:width 0.3s;
}
.nav-links a:hover::after, .nav-links a.active::after { width:100%; }

.menu-toggle { display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; padding:4px; }
.menu-toggle span { display:block; width:24px; height:2px; background:var(--text-primary); transition:var(--transition); border-radius:2px; }
.menu-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.menu-toggle.active span:nth-child(2) { opacity:0; }
.menu-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* HERO */
.hero {
  min-height:100vh; display:flex; align-items:center; position:relative; overflow:hidden;
  padding:120px 0 80px;
}
.hero::before {
  content:''; position:absolute; top:-50%; right:-30%; width:600px; height:600px;
  background:radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius:50%; filter:blur(80px); animation:pulse 8s ease-in-out infinite;
}
.hero::after {
  content:''; position:absolute; bottom:-30%; left:-20%; width:500px; height:500px;
  background:radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  border-radius:50%; filter:blur(80px); animation:pulse 10s ease-in-out infinite reverse;
}
@keyframes pulse { 0%,100%{opacity:0.5;transform:scale(1)} 50%{opacity:1;transform:scale(1.1)} }

.hero-content { position:relative; z-index:1; max-width:700px; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px; background:var(--accent-bg);
  border:1px solid rgba(6,182,212,0.2); padding:6px 16px; border-radius:50px;
  font-size:0.85rem; color:var(--accent); margin-bottom:24px;
}
.hero-badge::before { content:''; width:8px; height:8px; background:var(--accent); border-radius:50%; animation:blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero h1 { font-size:3.5rem; font-weight:900; line-height:1.1; margin-bottom:8px; }
.hero h1 .gradient-text { background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.hero .subtitle { font-size:1.3rem; color:var(--accent); font-weight:600; margin-bottom:16px; }
.hero .description { font-size:1.05rem; color:var(--text-secondary); margin-bottom:32px; max-width:560px; }

.hero-buttons { display:flex; flex-wrap:wrap; gap:12px; }

/* BUTTONS */
.btn {
  display:inline-flex; align-items:center; gap:8px; padding:12px 28px;
  border-radius:var(--radius-sm); font-weight:600; font-size:0.9rem;
  transition:var(--transition); cursor:pointer; border:none; font-family:inherit;
}
.btn-primary { background:var(--gradient); color:#fff; box-shadow:0 4px 20px var(--accent-glow); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 30px var(--accent-glow); color:#fff; }
.btn-outline { background:transparent; color:var(--accent); border:1px solid var(--accent); }
.btn-outline:hover { background:var(--accent-bg); color:var(--accent-hover); }
.btn-whatsapp { background:#25D366; color:#fff; }
.btn-whatsapp:hover { background:#20bd5a; color:#fff; transform:translateY(-2px); }
.btn-sm { padding:8px 18px; font-size:0.82rem; }
.btn-lg { padding:14px 36px; font-size:1rem; }

/* SECTIONS */
.section { padding:100px 0; position:relative; }
.section-header { text-align:center; margin-bottom:60px; }
.section-header h2 { font-size:2.2rem; font-weight:800; margin-bottom:12px; }
.section-header p { color:var(--text-secondary); max-width:600px; margin:0 auto; }
.section-line {
  width:60px; height:3px; background:var(--gradient); margin:16px auto 0; border-radius:2px;
}
.section-alt { background:var(--bg-secondary); }

/* CARDS */
.card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px; transition:var(--transition); position:relative; overflow:hidden;
}
.card:hover { border-color:rgba(6,182,212,0.3); transform:translateY(-4px); box-shadow:var(--shadow); }
.card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:var(--gradient); opacity:0; transition:opacity 0.3s;
}
.card:hover::before { opacity:1; }

.card-icon {
  width:48px; height:48px; border-radius:10px; background:var(--accent-bg);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
  color:var(--accent); font-size:1.3rem;
}
.card h3 { font-size:1.15rem; font-weight:700; margin-bottom:8px; }
.card p { color:var(--text-secondary); font-size:0.9rem; }

/* STATS */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.stat-card { text-align:center; padding:32px 20px; }
.stat-number { font-size:2.5rem; font-weight:900; background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.stat-label { color:var(--text-secondary); font-size:0.9rem; margin-top:4px; }

/* SERVICES */
.services-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; }

/* PROJECTS */
.projects-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:28px; }
.project-card .project-image {
  height:200px; overflow:hidden; border-radius:var(--radius-sm); margin-bottom:16px;
  background:var(--bg-secondary);
}
.project-card .project-image img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s; }
.project-card:hover .project-image img { transform:scale(1.05); }
.project-tags { display:flex; flex-wrap:wrap; gap:6px; margin:12px 0; }
.project-tag {
  padding:3px 10px; background:var(--accent-bg); color:var(--accent);
  border-radius:50px; font-size:0.75rem; font-weight:500;
}
.project-status {
  display:inline-flex; padding:3px 10px; border-radius:50px;
  font-size:0.72rem; font-weight:600; background:rgba(34,197,94,0.15); color:#22c55e;
}
.featured-badge {
  position:absolute; top:12px; right:12px; background:var(--gradient);
  color:#fff; padding:3px 10px; border-radius:50px; font-size:0.7rem; font-weight:600;
}

/* GITHUB */
.github-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:20px; }
.github-card .repo-lang {
  display:inline-flex; align-items:center; gap:6px; font-size:0.8rem;
}
.repo-lang-dot { width:10px; height:10px; border-radius:50%; display:inline-block; }
.github-stats { display:flex; gap:16px; margin-top:12px; color:var(--text-muted); font-size:0.82rem; }

/* TECHNOLOGIES */
.tech-tabs { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-bottom:36px; }
.tech-tab {
  padding:8px 20px; border-radius:50px; background:var(--bg-card); border:1px solid var(--border);
  color:var(--text-secondary); cursor:pointer; font-size:0.85rem; transition:var(--transition);
}
.tech-tab.active, .tech-tab:hover { background:var(--accent-bg); color:var(--accent); border-color:var(--accent); }
.tech-group { display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:16px; margin-bottom:24px; }
.tech-item {
  display:flex; align-items:center; gap:12px; padding:14px; background:var(--bg-card);
  border:1px solid var(--border); border-radius:var(--radius-sm); transition:var(--transition);
}
.tech-item:hover { border-color:rgba(6,182,212,0.3); background:var(--bg-card-hover); }
.tech-level {
  width:100%; height:4px; background:var(--bg-secondary); border-radius:2px; margin-top:6px;
}
.tech-level-bar { height:100%; background:var(--gradient); border-radius:2px; }

/* TESTIMONIALS */
.testimonials-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:24px; }
.testimonial-card { padding:32px; }
.testimonial-card .stars { color:#fbbf24; font-size:1.1rem; margin-bottom:12px; }
.star.filled { color:#fbbf24; }
.testimonial-card blockquote { font-style:italic; color:var(--text-secondary); margin-bottom:16px; line-height:1.6; }
.testimonial-author { display:flex; align-items:center; gap:12px; }
.testimonial-avatar {
  width:44px; height:44px; border-radius:50%; background:var(--accent-bg);
  display:flex; align-items:center; justify-content:center; color:var(--accent); font-weight:700;
}

/* SOCIAL MEDIA EXPERTISE */
.sme-grid { display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center; }
.sme-features { list-style:none; }
.sme-features li { padding:10px 0; display:flex; align-items:center; gap:12px; color:var(--text-secondary); }
.sme-features li::before { content:'✓'; color:var(--accent); font-weight:700; }

/* CONTACT */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:48px; }
.form-group { margin-bottom:20px; }
.form-group label { display:block; margin-bottom:6px; font-weight:500; font-size:0.9rem; }
.form-control {
  width:100%; padding:12px 16px; background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius-sm); color:var(--text-primary); font-family:inherit;
  font-size:0.9rem; transition:var(--transition);
}
.form-control:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
textarea.form-control { min-height:140px; resize:vertical; }
.honeypot { position:absolute; left:-9999px; }

/* CTA */
.cta-section {
  text-align:center; padding:80px 0; background:linear-gradient(135deg,rgba(6,182,212,0.08),rgba(59,130,246,0.08));
}
.cta-section h2 { font-size:2rem; margin-bottom:12px; }
.cta-section p { color:var(--text-secondary); margin-bottom:28px; }

/* FOOTER */
.site-footer { background:var(--bg-secondary); border-top:1px solid var(--border); padding:60px 0 24px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footer-brand .logo { margin-bottom:12px; }
.footer-brand p { color:var(--text-muted); font-size:0.9rem; }
.footer-section h4 { font-weight:700; margin-bottom:16px; font-size:0.95rem; }
.footer-links { list-style:none; }
.footer-links li { margin-bottom:8px; }
.footer-links a { color:var(--text-muted); font-size:0.88rem; }
.footer-links a:hover { color:var(--accent); }
.social-icons { display:flex; gap:12px; margin-top:16px; }
.social-icon {
  width:40px; height:40px; border-radius:10px; background:var(--bg-card); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center; color:var(--text-secondary);
  transition:var(--transition); font-size:1.1rem;
}
.social-icon:hover { background:var(--accent-bg); color:var(--accent); border-color:var(--accent); }
.footer-bottom { border-top:1px solid var(--border); padding-top:20px; text-align:center; color:var(--text-muted); font-size:0.82rem; }

/* CV PAGE */
.cv-page { padding-top:100px; }
.cv-header { display:flex; gap:32px; align-items:center; margin-bottom:48px; padding:36px; background:var(--bg-card); border-radius:var(--radius); border:1px solid var(--border); }
.cv-avatar { width:120px; height:120px; border-radius:50%; object-fit:cover; border:3px solid var(--accent); }
.cv-info h1 { font-size:2rem; }
.cv-info .cv-title { color:var(--accent); font-size:1.1rem; font-weight:600; }
.cv-contact-list { display:flex; flex-wrap:wrap; gap:16px; margin-top:12px; color:var(--text-secondary); font-size:0.85rem; }
.cv-section { margin-bottom:40px; }
.cv-section h2 { font-size:1.4rem; font-weight:700; padding-bottom:10px; border-bottom:2px solid var(--accent); margin-bottom:20px; display:inline-block; }
.cv-timeline-item { padding:20px; background:var(--bg-card); border-radius:var(--radius-sm); margin-bottom:16px; border-left:3px solid var(--accent); }
.cv-timeline-item h3 { font-size:1.05rem; }
.cv-timeline-item .cv-meta { color:var(--accent); font-size:0.85rem; margin:4px 0 8px; }
.cv-skills-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:12px; }
.cv-skill-item { padding:10px 16px; background:var(--bg-card); border-radius:var(--radius-sm); display:flex; justify-content:space-between; align-items:center; border:1px solid var(--border); }
.cv-skill-level { color:var(--accent); font-size:0.82rem; font-weight:600; }

/* PROJECT DETAIL */
.project-detail { padding-top:100px; }
.project-cover { width:100%; max-height:400px; object-fit:cover; border-radius:var(--radius); margin-bottom:32px; }
.project-detail-header h1 { font-size:2.2rem; margin-bottom:8px; }
.project-gallery { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:16px; margin:32px 0; }
.project-gallery img { border-radius:var(--radius-sm); cursor:pointer; transition:var(--transition); }
.project-gallery img:hover { transform:scale(1.03); }

/* BLOG */
.blog-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:28px; }
.blog-card .blog-image { height:200px; overflow:hidden; border-radius:var(--radius-sm) var(--radius-sm) 0 0; }
.blog-card .blog-image img { width:100%; height:100%; object-fit:cover; }
.blog-card .blog-content { padding:20px; }
.blog-date { color:var(--text-muted); font-size:0.8rem; }

/* FILTER BUTTONS */
.filter-bar { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-bottom:40px; }
.filter-btn {
  padding:8px 20px; border-radius:50px; background:var(--bg-card); border:1px solid var(--border);
  color:var(--text-secondary); cursor:pointer; font-size:0.85rem; font-family:inherit; transition:var(--transition);
}
.filter-btn.active, .filter-btn:hover { background:var(--accent-bg); color:var(--accent); border-color:var(--accent); }

/* BACK TO TOP */
#back-to-top {
  position:fixed; bottom:24px; right:24px; width:44px; height:44px;
  background:var(--gradient); color:#fff; border:none; border-radius:50%;
  cursor:pointer; font-size:1.2rem; z-index:999; opacity:0; visibility:hidden;
  transition:var(--transition); display:flex; align-items:center; justify-content:center;
}
#back-to-top.visible { opacity:1; visibility:visible; }
#back-to-top:hover { transform:translateY(-3px); box-shadow:0 6px 20px var(--accent-glow); }

/* WHATSAPP FLOAT */
.whatsapp-float {
  position:fixed; bottom:24px; left:24px; z-index:998;
}
.whatsapp-float a {
  display:flex; align-items:center; justify-content:center; width:56px; height:56px;
  background:#25D366; border-radius:50%; color:#fff; font-size:1.6rem;
  box-shadow:0 4px 20px rgba(37,211,102,0.4); transition:var(--transition);
}
.whatsapp-float a:hover { transform:scale(1.1); }

/* ANIMATIONS */
.animate-on-scroll { opacity:0; transform:translateY(30px); transition:opacity 0.6s ease, transform 0.6s ease; }
.animate-on-scroll.animated { opacity:1; transform:translateY(0); }

/* 404 */
.error-page { min-height:100vh; display:flex; align-items:center; justify-content:center; text-align:center; }
.error-page h1 { font-size:6rem; font-weight:900; background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.error-page p { color:var(--text-secondary); margin:12px 0 28px; }

/* MAINTENANCE */
.maintenance-page { min-height:100vh; display:flex; align-items:center; justify-content:center; text-align:center; flex-direction:column; }
.maintenance-page h1 { font-size:2.5rem; margin-bottom:16px; }

/* FLASH */
.flash-message {
  padding:14px 20px; border-radius:var(--radius-sm); margin-bottom:20px; font-size:0.9rem;
}
.flash-success { background:rgba(34,197,94,0.15); color:#22c55e; border:1px solid rgba(34,197,94,0.3); }
.flash-error { background:rgba(239,68,68,0.15); color:#ef4444; border:1px solid rgba(239,68,68,0.3); }

/* RESPONSIVE */
@media(max-width:1024px) {
  .hero h1 { font-size:2.8rem; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .sme-grid { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; }
}
@media(max-width:768px) {
  .nav-links {
    position:fixed; top:0; right:-100%; width:280px; height:100vh;
    background:var(--bg-secondary); flex-direction:column; padding:80px 32px 32px;
    border-left:1px solid var(--border); transition:right 0.3s;
  }
  .nav-links.active { right:0; }
  .menu-toggle { display:flex; }
  .hero { padding:100px 0 60px; }
  .hero h1 { font-size:2.2rem; }
  .hero-buttons { flex-direction:column; }
  .section { padding:60px 0; }
  .section-header h2 { font-size:1.7rem; }
  .stats-grid { grid-template-columns:repeat(2,1fr); gap:12px; }
  .projects-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .cv-header { flex-direction:column; text-align:center; }
  .blog-grid { grid-template-columns:1fr; }
}
@media(max-width:480px) {
  .hero h1 { font-size:1.8rem; }
  .stat-number { font-size:2rem; }
  .tech-group { grid-template-columns:1fr 1fr; }
  .services-grid { grid-template-columns:1fr; }
}

/* PRINT */
@media print {
  .site-header, .site-footer, .whatsapp-float, #back-to-top, .btn, .hero::before, .hero::after { display:none !important; }
  body { background:#fff; color:#000; }
  .card { border:1px solid #ddd; box-shadow:none; }
}