/* ========== RESET & BASE ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --green: #0B6E4F;
  --green-light: #10B981;
  --green-dark: #064E36;
  --coral: #FF7A59;
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #161616;
  --text: #e5e5e5;
  --text-muted: #888;
  --border: #222;
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --max-w: 1100px;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--green-light); text-decoration: none; transition: color .2s; }
a:hover { color: var(--coral); }
strong { color: #fff; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section-title { font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 32px; position: relative; display: inline-block; }
.section-title::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 40px; height: 3px; background: var(--green); border-radius: 2px; }

section { padding: 80px 0; }

/* ========== NAV ========== */
#nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(10,10,10,.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; height: 56px; }
.logo { font-size: 1.1rem; font-weight: 700; color: #fff !important; font-family: var(--mono); }
.dot { color: var(--green-light); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--text-muted); font-size: .875rem; font-weight: 500; }
.nav-links a:hover { color: #fff; }
.menu-btn { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* ========== HERO ========== */
#hero { min-height: 100vh; display: flex; align-items: center; padding-top: 56px; }
.hero-content { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.hero-badge { display: inline-block; background: rgba(16,185,129,.1); color: var(--green-light); padding: 6px 14px; border-radius: 20px; font-size: .8rem; font-weight: 600; margin-bottom: 24px; border: 1px solid rgba(16,185,129,.2); }
#hero h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.1; color: #fff; margin-bottom: 8px; }
.hero-subtitle { font-size: 1.25rem; color: var(--green-light); font-weight: 500; margin-bottom: 4px; }
.hero-tagline { font-family: var(--mono); font-size: 1rem; color: var(--coral); margin-bottom: 16px; }
.hero-desc { max-width: 540px; color: var(--text-muted); font-size: 1rem; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; margin-bottom: 32px; }
.btn { display: inline-block; padding: 10px 24px; border-radius: 8px; font-weight: 600; font-size: .9rem; transition: all .2s; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); color: #fff; }
.btn-outline { border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--green); color: var(--green-light); }
.hero-links { display: flex; gap: 20px; }
.hero-links a { color: var(--text-muted); font-size: .875rem; font-weight: 500; }
.hero-links a:hover { color: var(--green-light); }

/* ========== ABOUT ========== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.about-text p { margin-bottom: 14px; color: var(--text-muted); }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; text-align: center; }
.stat-number { display: block; font-size: 2rem; font-weight: 800; color: var(--green-light); }
.stat-label { display: block; font-size: .8rem; color: var(--text-muted); margin-top: 4px; }

/* ========== EXPERIENCE / TIMELINE ========== */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item::before { content: ''; position: absolute; left: -32px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--green); border: 2px solid var(--bg); }
.timeline-date { font-family: var(--mono); font-size: .8rem; color: var(--green-light); margin-bottom: 4px; }
.timeline-content h3 { font-size: 1.05rem; font-weight: 700; color: #fff; }
.company { font-size: .9rem; color: var(--text-muted); margin-bottom: 8px; }
.timeline-content ul { margin-left: 16px; }
.timeline-content li { font-size: .9rem; color: var(--text-muted); margin-bottom: 3px; }

/* ========== PROJECTS ========== */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.project-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; transition: all .2s; }
.project-card:hover { border-color: var(--green); background: var(--bg-card-hover); transform: translateY(-2px); }
.project-tag { display: inline-block; font-size: .7rem; font-weight: 600; color: var(--coral); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.project-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.project-card p { font-size: .85rem; color: var(--text-muted); margin-bottom: 12px; }
.project-stack { font-family: var(--mono); font-size: .75rem; color: var(--green-light); }

/* ========== SKILLS ========== */
.skills-layout { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.skill-group h3 { font-size: .85rem; font-weight: 600; color: #fff; margin-bottom: 10px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { background: rgba(11,110,79,.15); color: var(--green-light); padding: 4px 12px; border-radius: 6px; font-size: .8rem; font-weight: 500; border: 1px solid rgba(11,110,79,.25); }

/* ========== CERTIFICATIONS ========== */
.certs-grid { display: grid; gap: 10px; }
.cert { display: flex; gap: 16px; align-items: baseline; padding: 12px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; }
.cert-year { font-family: var(--mono); font-size: .8rem; color: var(--green-light); min-width: 60px; }
.cert-name { font-size: .9rem; color: var(--text); }

/* ========== CONTACT ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info p { color: var(--text-muted); margin-bottom: 24px; }
.contact-item { margin-bottom: 12px; }
.contact-label { display: block; font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 2px; }
.contact-links { display: flex; flex-direction: column; gap: 10px; }
.contact-link { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; color: #fff !important; font-weight: 500; transition: all .2s; }
.contact-link:hover { border-color: var(--green); background: var(--bg-card-hover); color: var(--green-light) !important; }
.arrow { color: var(--text-muted); transition: transform .2s; }
.contact-link:hover .arrow { transform: translateX(4px); color: var(--green-light); }

/* ========== FOOTER ========== */
footer { text-align: center; padding: 40px 24px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: .8rem; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 56px; left: 0; right: 0; background: rgba(10,10,10,.98); flex-direction: column; padding: 16px 24px; gap: 16px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
  #hero h1 { font-size: 2.5rem; }
  .hero-actions { flex-direction: column; }
  .hero-links { flex-wrap: wrap; }
  .about-grid, .skills-layout, .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
}