:root {
    --dark: #0a0a0b;
    --light: #fdfcf9;
    --accent: #3b82f6;
    --pro-accent: #10b981; 
    --sidebar-w: 260px;
}

html { scroll-behavior: smooth; }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; }
body { background: var(--dark); color: #1a1a1a; }

/* SIDEBAR */
.sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-w);
    background: white; border-right: 1px solid #eee;
    display: flex; flex-direction: column; padding: 40px; z-index: 1000;
}
.sidebar .logo { font-size: 1.8rem; font-weight: 800; margin-bottom: 50px; }
.sidebar .logo span { color: var(--accent); }
.nav-links { list-style: none; }
.nav-links li { margin-bottom: 20px; }
.nav-links a { text-decoration: none; color: #666; font-weight: 500; transition: 0.3s; font-size: 0.95rem; }
.nav-links a:hover { color: var(--accent); padding-left: 5px; }
.nav-footer { margin-top: auto; font-size: 0.75rem; color: #ccc; }

/* MAIN WRAPPER */
.main-wrapper { margin-left: var(--sidebar-w); }

/* HERO */
.hero { height: 100vh; background: var(--dark); display: flex; flex-direction: column; justify-content: center; align-items: center; color: white; }
.hero-name { font-size: clamp(3rem, 10vw, 6rem); font-weight: 800; }
.hero-sub { font-size: 1.1rem; color: #666; text-transform: uppercase; letter-spacing: 4px; }

/* CONTENT */
.page-content { background: var(--light); padding: 40px 0; min-height: 100vh; }
.container { max-width: 900px; margin: 0 auto; padding: 0 40px; }
.section { padding: 60px 0; }
.section-title { font-size: 2.8rem; font-weight: 800; margin-bottom: 40px; }

/* BTS CARDS */
.options-container { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.opt-card { background: white; padding: 30px; border-radius: 20px; border: 1px solid #eee; }
.opt-card.highlight { background: var(--dark); color: white; border: none; }
.my-choice { color: var(--accent); font-weight: 700; font-size: 0.75rem; display: block; margin-bottom: 10px; }
.job-list { padding-left: 20px; margin-top: 15px; font-size: 0.9rem; }

/* TIMELINE */
.timeline { position: relative; padding-left: 30px; border-left: 2px solid #eee; }
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-dot { position: absolute; left: -41px; top: 5px; width: 20px; height: 20px; background: var(--accent); border-radius: 50%; border: 4px solid var(--light); }
.timeline-dot.pro { background: var(--pro-accent); }

/* FEATURED STAGE */
.featured-stage-card { background: white; padding: 25px; border-radius: 20px; border: 2px solid var(--pro-accent); box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1); }
.badge-new { background: var(--pro-accent); color: white; font-size: 0.7rem; font-weight: 800; padding: 4px 10px; border-radius: 5px; display: inline-block; margin-bottom: 10px; }
.btn-main { display: inline-block; margin-top: 15px; padding: 10px 20px; background: var(--dark); color: white; text-decoration: none; border-radius: 10px; font-weight: 700; }
.pulse { animation: pulse-green 2s infinite; }
@keyframes pulse-green { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); } 70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }

/* SKILLS */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 15px; }
.skill-card { background: white; padding: 25px 15px; border-radius: 18px; border: 1px solid #eee; text-align: center; }

/* PROJECTS */
.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.project-card { background: white; padding: 30px; border-radius: 20px; border: 1px solid #eee; transition: 0.4s; }
.project-card:hover { transform: translateY(-10px); border-color: var(--accent); }
.doc-link { text-decoration: none; color: var(--accent); font-weight: 700; display: block; margin-top: 15px; }

@media (max-width: 1100px) { .sidebar { display: none; } .main-wrapper { margin-left: 0; } .options-container { grid-template-columns: 1fr; } }