/* ── Tech / Editorial Sidebar Layout ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Space+Grotesk:wght@500;700;900&family=Fira+Code:wght@400;500&display=swap');

:root {
  --bg: #050505;
  --bg-panel: #0a0a0a;
  --border: #222222;
  --text-main: #f0f0f0;
  --text-muted: #888888;
  --accent: #00ffcc; /* Tech Cyan */
  --accent-hover: #00ccaa;
  
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  --sidebar-w: 260px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; background: var(--bg); color: var(--text-main); font-family: var(--font-body); width: 100%; overflow-x: hidden; }
body { display: flex; min-height: 100vh; min-height: 100dvh; width: 100%; overflow-x: hidden; line-height: 1.6; -webkit-font-smoothing: antialiased; }

::selection { background: var(--accent); color: #000; }

/* Canvas Background */
#bgCanvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; opacity: 0.8; pointer-events: none; }

/* Sidebar */
.sidebar { position: fixed; top: 0; left: 0; width: var(--sidebar-w); height: 100vh; height: 100dvh; background: rgba(5,5,5,0.8); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 40px; z-index: 100; overflow-y: auto; }
.sidebar-brand { margin-bottom: 60px; }
.logo { font-family: var(--font-display); font-size: 2.5rem; font-weight: 900; color: var(--text-main); letter-spacing: -2px; }
.sidebar-nav { flex: 1; }
.sidebar-nav ul { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.nav-link { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; transition: 0.3s; text-decoration: none; }
.nav-link:hover, .nav-link.active { color: var(--accent); }
.nav-link.active::before { content: '> '; color: var(--accent); }
.sidebar-footer { display: flex; flex-direction: column; gap: 15px; margin-top: auto; padding-top: 20px; }

/* Mobile Toggle */
.mobile-toggle { display: none; position: fixed; top: 20px; right: 20px; z-index: 101; background: var(--bg-panel); border: 1px solid var(--border); padding: 10px; border-radius: 8px; cursor: pointer; flex-direction: column; gap: 5px; }
.mobile-toggle span { width: 25px; height: 2px; background: var(--text-main); transition: 0.3s; display: block; }

/* Main Content */
.main-content { margin-left: var(--sidebar-w); width: calc(100% - var(--sidebar-w)); padding: 0 80px; }
.section { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; justify-content: center; padding: 80px 0; border-bottom: 1px solid var(--border); }
.section:last-of-type { border-bottom: none; }

/* Typography */
.highlight { color: var(--accent); }
.section-title { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 700; margin-bottom: 50px; letter-spacing: -1px; }

/* Buttons */
.btn { display: inline-flex; justify-content: center; align-items: center; font-family: var(--font-mono); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; padding: 14px 28px; background: var(--accent); color: #000; font-weight: 600; text-decoration: none; border-radius: 4px; transition: 0.3s; border: 1px solid var(--accent); cursor: pointer; }
.btn:hover { background: transparent; color: var(--accent); }
.btn-outline { background: transparent; color: var(--text-main); border-color: var(--border); }
.btn-outline:hover { border-color: var(--text-main); color: var(--text-main); background: rgba(255,255,255,0.05); }

/* Hero */
.hero-inner { max-width: 800px; width: 100%; }
.status { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; margin-bottom: 20px; animation: blink 2s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero-title { font-family: var(--font-display); font-size: clamp(2.8rem, 6vw, 5.5rem); font-weight: 900; line-height: 1.1; margin-bottom: 24px; letter-spacing: -2px; }
.hero-desc { font-size: clamp(1rem, 2.5vw, 1.25rem); color: var(--text-muted); margin-bottom: 40px; max-width: 600px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; }
.about-text { font-size: 1.1rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 20px; }
.about-stats { display: flex; flex-direction: column; gap: 20px; }
.stat-card { background: var(--bg-panel); border: 1px solid var(--border); padding: 30px; border-radius: 8px; }
.stat-num { display: block; font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 5px; }
.stat-name { font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; color: var(--text-muted); }

/* Experience */
.timeline-container { border-left: 1px solid var(--border); padding-left: 40px; margin-left: 10px; display: flex; flex-direction: column; gap: 50px; }
.timeline-item { position: relative; }
.timeline-item::before { content: ''; position: absolute; left: -45px; top: 5px; width: 10px; height: 10px; background: var(--bg); border: 1px solid var(--accent); border-radius: 50%; box-shadow: 0 0 10px rgba(0,255,204,0.5); }
.t-date { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; margin-bottom: 10px; }
.t-title { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 5px; }
.t-company { font-size: 1rem; color: var(--text-muted); margin-bottom: 15px; }
.t-desc { color: #a0a0a0; max-width: 600px; font-size: 1rem; }

/* Skills */
.skills-grid { display: flex; flex-wrap: wrap; gap: 15px; }
.skill-item { background: var(--bg-panel); border: 1px solid var(--border); padding: 12px 24px; font-family: var(--font-mono); font-size: 0.9rem; border-radius: 4px; transition: 0.3s; }
.skill-item:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }

/* Projects */
.projects-masonry { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.project-card { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; transition: 0.3s; display: flex; flex-direction: column; }
.project-card:hover { border-color: #444; transform: translateY(-5px); }
.p-image { width: 100%; aspect-ratio: 16/10; border-bottom: 1px solid var(--border); }
.p-image img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(1.2); transition: 0.5s; display: block; }
.project-card:hover .p-image img { filter: grayscale(0%) contrast(1); }
.p-content { padding: 30px; display: flex; flex-direction: column; flex: 1; }
.p-meta { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); margin-bottom: 10px; display: block; }
.p-title { font-family: var(--font-display); font-size: 1.6rem; margin-bottom: 15px; }
.p-desc { color: var(--text-muted); margin-bottom: 25px; font-size: 0.95rem; flex: 1; }
.p-links-row { display: flex; gap: 15px; flex-wrap: wrap; }
.p-link { font-family: var(--font-mono); color: var(--text-main); font-size: 0.85rem; text-decoration: underline; text-underline-offset: 4px; transition: 0.3s; }
.p-link:hover { color: var(--accent); }

/* Certifications */
.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.cert-card { background: var(--bg-panel); border: 1px solid var(--border); padding: 30px; border-radius: 8px; display: flex; align-items: center; gap: 25px; transition: 0.3s; position: relative; overflow: hidden; }
.cert-card::before { content: ''; position: absolute; top: 0; left: 0; width: 2px; height: 100%; background: var(--accent); opacity: 0; transition: 0.3s; }
.cert-card:hover { border-color: #333; transform: translateX(10px); background: rgba(255,255,255,0.02); }
.cert-card:hover::before { opacity: 1; }
.cert-icon { width: 50px; height: 50px; background: rgba(0, 255, 204, 0.05); border: 1px solid rgba(0, 255, 204, 0.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent); flex-shrink: 0; }
.cert-info { flex: 1; }
.cert-title { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 5px; color: var(--text-main); }
.cert-issuer { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; margin-bottom: 12px; }
.cert-link { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; transition: 0.3s; }
.cert-link:hover { border-bottom-color: var(--accent); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 30px; }
.contact-links { display: flex; flex-direction: column; gap: 15px; }
.contact-links a { font-family: var(--font-display); font-size: clamp(1.2rem, 3vw, 1.5rem); font-weight: 700; color: var(--text-main); transition: 0.3s; display: inline-block; width: fit-content; border-bottom: 2px solid transparent; text-decoration: none; }
.contact-links a:hover { color: var(--accent); border-color: var(--accent); }

.contact-form-container { background: var(--bg-panel); border: 1px solid var(--border); padding: 40px; border-radius: 8px; width: 100%; }
.input-field { width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--border); color: var(--text-main); font-family: var(--font-body); font-size: 1rem; padding: 15px 0; margin-bottom: 25px; transition: 0.3s; border-radius: 0; -webkit-appearance: none; }
.input-field:focus { outline: none; border-color: var(--accent); }
.input-field::placeholder { color: #555; }

.footer { padding: 40px 0; font-family: var(--font-mono); font-size: 0.8rem; color: #555; border-top: 1px solid var(--border); margin-top: 60px; text-align: center; }

/* Animations */
[data-animate] { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
[data-animate].visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .main-content { padding: 0 40px; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); width: 100%; z-index: 100; border-right: none; background: rgba(5,5,5,0.95); padding: 80px 30px 30px; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-brand { margin-bottom: 40px; }
  .mobile-toggle { display: flex; }
  .mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .mobile-toggle.active span:nth-child(2) { opacity: 0; }
  .mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  
  .main-content { margin-left: 0; width: 100%; padding: 0 20px; }
  .section { padding: 100px 0 60px; min-height: auto; }
  .hero-title { font-size: clamp(2.5rem, 8vw, 3.5rem); }
  
  .timeline-container { padding-left: 20px; }
  .timeline-item::before { left: -25px; }
  
  .about-stats { flex-direction: row; flex-wrap: wrap; }
  .stat-card { flex: 1 1 calc(50% - 20px); padding: 20px; }
  
  .projects-masonry { grid-template-columns: 1fr; }
  .contact-form-container { padding: 30px 20px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; text-align: center; justify-content: center; }
  .about-stats { flex-direction: column; }
  .stat-card { flex: 1 1 100%; }
  .p-links-row { flex-direction: column; gap: 10px; }
  .cert-card { gap: 15px; padding: 20px; }
  .cert-icon { width: 40px; height: 40px; }
  .cert-title { font-size: 1.1rem; }
}

.p-link-btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border: 1px solid var(--border); border-radius: 4px; text-decoration: none !important; background: rgba(255,255,255,0.03); margin-top: 5px; }
.p-link-btn:hover { background: var(--accent); color: #000 !important; border-color: var(--accent); }