/* --- 1. CORE THEME VARIABLES --- */
:root {
  /* DARK MODE */
  --bg-color: #050505;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --accent-color: #6366f1; /* Electric Purple */
  --accent-glow: rgba(99, 102, 241, 0.5);
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(20px);
  --nav-bg: rgba(5, 5, 5, 0.85);
  --gear-color: rgba(255, 255, 255, 0.05);
  --hero-gradient: linear-gradient(135deg, #fff 0%, #6366f1 100%);
}

[data-theme="light"] {
  /* LIGHT MODE (Futuristic Beige / Dune) */
  --bg-color: #f2f0e9; /* Warm Sand */
  --text-primary: #1c1917; /* Warm Black */
  --text-secondary: #57534e; /* Stone Grey */
  --accent-color: #d97706; /* Amber Gold */
  --accent-glow: rgba(217, 119, 6, 0.3);
  --card-bg: rgba(255, 255, 255, 0.6);
  --card-border: rgba(217, 119, 6, 0.15);
  --glass-blur: blur(12px);
  --nav-bg: rgba(242, 240, 233, 0.9);
  --gear-color: rgba(217, 119, 6, 0.1);
  --hero-gradient: linear-gradient(135deg, #1c1917 0%, #d97706 100%);
}

/* --- 2. BASE --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  transition: background-color 0.5s ease, color 0.5s ease;
  overflow-x: hidden;
}

h1, h2, h3, .logo { font-family: 'Space Grotesk', sans-serif; }
.hero-subtitle, .tech-tags { font-family: 'JetBrains Mono', monospace; }

/* --- 3. BACKGROUND --- */
#webgl-container { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; z-index: -1; pointer-events: none; }

.floating-gear {
  position: fixed; color: var(--gear-color); font-size: 10rem; z-index: -1;
  animation: spin 60s linear infinite; opacity: 0.5;
}
#gear1 { top: -5%; right: -5%; }
#gear2 { bottom: -5%; left: -5%; animation-direction: reverse; }
@keyframes spin { 100% { transform: rotate(360deg); } }

/* --- 4. NAV --- */
header {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  background: var(--nav-bg); backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--card-border); padding: 1rem 5%;
}
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 0.5rem; }
.logo i { color: var(--accent-color); }
nav ul { display: flex; gap: 2rem; list-style: none; }
nav ul li a { text-decoration: none; color: var(--text-primary); font-weight: 500; transition: color 0.3s; }
nav ul li a:hover { color: var(--accent-color); }
.theme-btn {
  background: transparent; border: 1px solid var(--card-border); color: var(--text-primary);
  width: 40px; height: 40px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.theme-btn:hover { background: var(--card-bg); color: var(--accent-color); border-color: var(--accent-color); }
.menu-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; }

/* --- 5. HERO SECTION (Layout Fixes) --- */
.hero-section { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 8rem 5% 4rem; }

/* The main container limits width and handles the scroll indicator */
.hero-container { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    width: 100%; 
    max-width: 1200px; 
}

/* *** CRITICAL FIX: The inner wrapper for Text + Image *** This ensures they sit side-by-side.
*/
.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center; /* CHANGE THIS to 'flex-start' to align top, or 'flex-end' to align bottom */
    width: 100%;
    gap: 4rem;
}

.hero-text { flex: 1; }
.hero-title { font-size: clamp(3rem, 6vw, 5rem); line-height: 1.1; margin-bottom: 1rem; }
.text-gradient { background: var(--hero-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtitle { font-size: 1.2rem; color: var(--accent-color); margin-bottom: 1.5rem; }
.hero-description { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 2.5rem; max-width: 600px; line-height: 1.6; }
.highlight { color: var(--accent-color); font-weight: 600; }
.hero-actions { display: flex; gap: 1rem; }

.btn {
  padding: 0.8rem 2rem; border-radius: 50px; text-decoration: none; font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s; display: inline-flex; align-items: center; gap: 0.5rem; cursor: pointer;
}
.btn-primary { background: var(--accent-color); color: #fff; border: none; box-shadow: 0 4px 15px var(--accent-glow); }
.btn-outline { background: transparent; border: 1px solid var(--card-border); color: var(--text-primary); }
.btn:hover { transform: translateY(-3px); }

/* *** HIT & TRIAL SECTION FOR IMAGE *** Adjust 'margin-top' to move image Up (negative) or Down (positive) 
*/
.hero-visual { 
    flex: 1; 
    display: flex; 
    justify-content: flex-end; /* Keeps image on the RIGHT */
    align-items: center;
    
    /* UNCOMMENT and change value to move image manually: */
    /* margin-top: -20px; */ 
}

.avatar-container {
  width: 320px; height: 320px; border-radius: 50%; padding: 5px;
  background: linear-gradient(45deg, var(--accent-color), transparent);
  position: relative; z-index: 1;
}
.avatar { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; border: 4px solid var(--bg-color); }
.avatar-glow {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  border-radius: 50%; background: var(--accent-color); filter: blur(50px); opacity: 0.4; z-index: -1;
}

.scroll-indicator {
    margin-top: 4rem;
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem; opacity: 0.7;
}
.mouse { width: 30px; height: 50px; border: 2px solid var(--text-secondary); border-radius: 20px; position: relative; }
.wheel { 
    width: 4px; height: 8px; background: var(--accent-color); border-radius: 2px; 
    position: absolute; top: 10px; left: 50%; transform: translateX(-50%); 
    animation: scroll 1.5s infinite; 
}
@keyframes scroll { 0% { top: 10px; opacity: 1; } 100% { top: 30px; opacity: 0; } }

/* --- 6. EXPERIENCE (Enhanced Cards) --- */
.section-3d { padding: 6rem 5%; max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-subtitle { color: var(--accent-color); margin-top: 0.5rem; font-size: 0.9rem; letter-spacing: 1px; }

.timeline-item {
  display: flex; gap: 2rem; margin-bottom: 2rem; position: relative;
  background: var(--card-bg); border: 1px solid var(--card-border);
  padding: 2rem; border-radius: 20px; backdrop-filter: var(--glass-blur);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  cursor: pointer; align-items: center;
}
.timeline-item:hover { transform: translateY(-5px); border-color: var(--accent-color); box-shadow: 0 10px 30px var(--accent-glow); }

.timeline-logo img { width: 70px; height: 70px; border-radius: 12px; object-fit: contain; background: #fff; padding: 5px; }
.timeline-content { flex: 1; }
.timeline-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; flex-wrap: wrap; }
.timeline-head h3 { font-size: 1.3rem; margin: 0; }
.date-badge { font-family: 'JetBrains Mono'; font-size: 0.8rem; color: var(--accent-color); background: var(--card-border); padding: 4px 10px; border-radius: 12px; }
.company { display: block; color: var(--text-secondary); font-weight: 600; margin-bottom: 1rem; font-size: 0.95rem; }
.description { color: var(--text-secondary); margin-bottom: 1rem; font-size: 1rem; line-height: 1.6; }
.tech-tags span { display: inline-block; padding: 0.3rem 0.8rem; border-radius: 20px; background: rgba(255,255,255,0.05); border: 1px solid var(--card-border); font-size: 0.8rem; margin-right: 0.5rem; color: var(--accent-color); margin-bottom: 0.5rem; }
.card-arrow { font-size: 1.5rem; color: var(--card-border); transition: color 0.3s; }
.timeline-item:hover .card-arrow { color: var(--accent-color); }

/* --- 7. PROJECTS (Smaller Cards - UPDATED) --- */
.projects-grid-3d { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }

.project-card-3d {
  background: var(--card-bg); border-radius: 24px; overflow: hidden;
  border: 1px solid var(--card-border); transition: all 0.4s ease;
  height: 100%; display: flex; flex-direction: column; cursor: pointer;
}
.project-card-3d:hover { transform: translateY(-10px) scale(1.02); border-color: var(--accent-color); box-shadow: 0 20px 50px -10px var(--accent-glow); }
.project-visual { height: 180px; position: relative; overflow: hidden; }
.project-img-bg { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.project-card-3d:hover .project-img-bg { transform: scale(1.1); }
.project-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6); opacity: 0; transition: opacity 0.3s;
  display: flex; align-items: center; justify-content: center;
}
.project-card-3d:hover .project-overlay { opacity: 1; }
.view-btn { padding: 0.6rem 1.2rem; background: var(--accent-color); color: white; border-radius: 50px; font-weight: 600; font-size: 0.9rem; }

.project-content { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.project-content h3 { font-size: 1.3rem; margin-bottom: 0.8rem; }
.project-summary { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.5; font-size: 0.95rem; }
.hardware-specs-mini { background: rgba(0,0,0,0.2); padding: 0.8rem; border-radius: 8px; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 1rem; border-left: 3px solid var(--accent-color); }
.project-meta { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--card-border); display: flex; gap: 0.8rem; flex-wrap: wrap; }
.project-meta span { color: var(--accent-color); font-weight: 500; font-size: 0.85rem; }

/* --- 8. SKILLS --- */
.skill-items-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 1rem; }
.skill-item-3d {
  background: var(--card-bg); padding: 1.5rem; border-radius: 15px;
  text-align: center; border: 1px solid var(--card-border);
  transition: transform 0.3s; display: flex; flex-direction: column; align-items: center; gap: 0.8rem;
}
.skill-item-3d:hover { transform: translateY(-5px); border-color: var(--accent-color); background: rgba(255,255,255,0.08); }
.skill-item-3d i { font-size: 2rem; color: var(--accent-color); }
.skill-item-3d span { font-weight: 500; font-size: 0.95rem; }

/* --- 9. AWARDS & CERTS --- */
.awards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 1.5rem; }
.award-card.medium {
  display: flex; gap: 1.5rem; padding: 2rem; background: var(--card-bg);
  border-radius: 20px; border: 1px solid var(--card-border); align-items: flex-start;
  transition: transform 0.3s;
}
.award-card:hover { transform: translateY(-5px); border-color: var(--accent-color); }
.award-icon { font-size: 2.5rem; color: #f59e0b; }
.award-icon .bronze { color: #cd7f32; }
.award-content h3 { font-size: 1.2rem; margin-bottom: 0.3rem; }
.award-org { color: var(--accent-color); font-size: 0.9rem; margin-bottom: 0.8rem; font-weight: 600; text-transform: uppercase; }
.award-desc { font-size: 1rem; color: var(--text-secondary); line-height: 1.5; }
.cert-link {
    display: inline-block; margin-top: 0.8rem;
    color: var(--text-primary); text-decoration: none; font-weight: 600; font-size: 0.9rem;
    border-bottom: 2px solid var(--accent-color); transition: color 0.3s;
}
.cert-link:hover { color: var(--accent-color); }

/* --- 10. CONTACT --- */
.contact-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 24px; padding: 3rem; backdrop-filter: var(--glass-blur); }
.contact-details-panel { display: flex; flex-direction: column; gap: 2rem; }
.contact-row { display: flex; gap: 1.5rem; align-items: flex-start; }
.icon-box { width: 50px; height: 50px; background: rgba(255,255,255,0.05); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent-color); font-size: 1.5rem; }
.info-box label { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.3rem; text-transform: uppercase; letter-spacing: 1px; }
.copy-wrapper { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }
#email-text { font-size: 1.1rem; font-weight: 600; color: var(--text-primary); }
.copy-btn { background: transparent; border: none; color: var(--text-secondary); cursor: pointer; transition: color 0.3s; }
.copy-btn:hover { color: var(--accent-color); }
.link-small { font-size: 0.9rem; color: var(--accent-color); text-decoration: none; font-weight: 500; }

.btn-whatsapp { background: #25D366; color: white; padding: 0.6rem 1.2rem; font-size: 0.95rem; margin-top: 0.5rem; border: none; box-shadow: none; }
.btn-whatsapp:hover { background: #128C7E; transform: translateY(-2px); }

.social-row { display: flex; gap: 1rem; align-items: center; margin-top: 1rem; }
.social-btn { width: 45px; height: 45px; border-radius: 50%; border: 1px solid var(--card-border); display: flex; align-items: center; justify-content: center; color: var(--text-primary); transition: all 0.3s; font-size: 1.2rem; }
.social-btn:hover { border-color: var(--accent-color); color: var(--accent-color); transform: translateY(-3px); }
.location-tag { margin-left: auto; color: var(--text-secondary); font-size: 0.9rem; display: flex; gap: 0.5rem; align-items: center; }

.qr-panel { display: flex; align-items: center; justify-content: center; border-left: 1px solid var(--card-border); }
.qr-card { text-align: center; padding: 1.5rem; background: #fff; border-radius: 16px; width: fit-content; }
.qr-card img { width: 160px; height: 160px; display: block; margin-bottom: 1rem; }
.qr-card p { color: #000; font-weight: 600; margin: 0; }

/* Footer */
footer { text-align: center; padding: 3rem; margin-top: 4rem; color: var(--text-secondary); border-top: 1px solid var(--card-border); }

/* Responsive */
@media (max-width: 900px) {
  .hero-container { padding-top: 4rem; }
  .hero-content { flex-direction: column-reverse; text-align: center; } /* Stack vertically on mobile */
  .hero-visual { justify-content: center; margin-bottom: 2rem; }
  .contact-layout { grid-template-columns: 1fr; padding: 1.5rem; }
  .qr-panel { border-left: none; border-top: 1px solid var(--card-border); padding-top: 2rem; }
  nav ul { display: none; }
  .menu-toggle { display: block; }
  .projects-grid-3d { grid-template-columns: 1fr; }
}