/* ─────────────────────────────────────────────────────────────
   GLOBAL RESET & VARIABLES
───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --bg2: #101018;
  --surface: #16161f;
  --surface2: #1e1e2a;
  --border: rgba(255,255,255,0.07);
  --accent: #6c63ff;
  --accent2: #a78bfa;
  --accent-glow: rgba(108,99,255,0.25);
  --text: #e8e8f0;
  --text-muted: #8888aa;
  --green: #34d399;
  --font-body: 'Inter', sans-serif;
  --font-head: 'Space Grotesk', sans-serif;
  --radius: 16px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ─────────────────────────────────────────────────────────────
   SCROLLBAR
───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ─────────────────────────────────────────────────────────────
   NAV
───────────────────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 2.5rem;
  background: rgba(10,10,15,0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#navbar.scrolled { padding: 0.75rem 2.5rem; background: rgba(10,10,15,0.92); }

.nav-brand {
  font-family: var(--font-head);
  font-size: 1.5rem; font-weight: 700; letter-spacing: -0.5px;
  color: var(--text);
}
.nav-brand .dot { color: var(--accent); }

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.9rem; font-weight: 500; letter-spacing: 0.3px;
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  #navbar.open .nav-links {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg2); padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
  }
}

/* ─────────────────────────────────────────────────────────────
   HERO
───────────────────────────────────────────────────────────── */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 6rem 1.5rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(108,99,255,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(167,139,250,0.08) 0%, transparent 50%),
              var(--bg);
}

#particle-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-avatar-wrap {
  display: flex; justify-content: center; margin-bottom: 1.5rem;
}
.hero-avatar {
  width: clamp(90px, 14vw, 130px);
  height: clamp(90px, 14vw, 130px);
  border-radius: 50%; object-fit: cover; object-position: center top;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 6px var(--accent-glow), 0 0 40px rgba(108,99,255,0.3);
}

.hero-eyebrow {
  font-size: 1rem; font-weight: 500; color: var(--text-muted);
  margin-bottom: 1rem; letter-spacing: 0.5px;
}

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -2px; margin-bottom: 1rem;
}

.accent { color: var(--accent); }

.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-muted); margin-bottom: 0.75rem;
  font-weight: 400;
}

.typed-wrapper { border: none; }
#typed { color: var(--accent2); font-weight: 500; }
.cursor {
  display: inline-block; color: var(--accent);
  animation: blink 1s step-end infinite;
  margin-left: 1px;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-location {
  font-size: 0.9rem; color: var(--text-muted); margin-bottom: 2.5rem;
}

.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn {
  padding: 0.75rem 1.75rem; border-radius: 50px;
  text-decoration: none; font-weight: 600; font-size: 0.9rem;
  transition: all var(--transition); display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 0 30px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(167,139,250,0.4);
}
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent); color: var(--accent);
  transform: translateY(-2px);
}

.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--text-muted); font-size: 0.75rem; letter-spacing: 1px;
  text-transform: uppercase; z-index: 1;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.3} 50%{opacity:1} }

/* ─────────────────────────────────────────────────────────────
   SECTIONS
───────────────────────────────────────────────────────────── */
.section { padding: 6rem 1.5rem; }
.section-dark { background: var(--bg2); }

.container { max-width: 1100px; margin: 0 auto; }

.section-label {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700; line-height: 1.1;
  margin-bottom: 3rem; letter-spacing: -1px;
}

/* ─────────────────────────────────────────────────────────────
   ABOUT
───────────────────────────────────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; gap: 2.5rem; } }

.about-text h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700; line-height: 1.25; margin-bottom: 1.25rem;
}
.about-text p {
  color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; font-size: 0.97rem;
}
.about-text strong { color: var(--text); }

.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  text-align: center; transition: var(--transition);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0; transition: var(--transition);
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.stat-card:hover::before { opacity: 1; }

.stat-number {
  font-family: var(--font-head); font-size: 2.5rem; font-weight: 800;
  color: var(--accent); display: inline-block;
}
.stat-suffix { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.stat-label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ─────────────────────────────────────────────────────────────
   TIMELINE
───────────────────────────────────────────────────────────── */
.timeline { position: relative; }
.timeline::before {
  content: ''; position: absolute; left: 20px; top: 12px; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--surface));
}

.timeline-item {
  display: flex; gap: 2rem; margin-bottom: 2.5rem;
  position: relative;
}

.timeline-marker {
  flex-shrink: 0; width: 42px; display: flex;
  justify-content: center; padding-top: 4px;
  position: relative; z-index: 1;
}

.marker-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--text-muted);
  transition: var(--transition);
  margin-top: 6px;
}
.timeline-item.active .marker-dot,
.timeline-item:hover .marker-dot {
  background: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.timeline-card {
  flex: 1; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem; transition: var(--transition);
  cursor: default;
}
.timeline-card:hover {
  border-color: rgba(108,99,255,0.3);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
  transform: translateX(4px);
}

.card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; gap: 1rem; }
.card-company {
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.2rem;
}
.card-role { font-size: 0.9rem; color: var(--accent2); font-weight: 500; margin-bottom: 0.3rem; }
.card-meta { font-size: 0.8rem; color: var(--text-muted); }

.card-badge {
  flex-shrink: 0; padding: 0.25rem 0.75rem; border-radius: 50px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase;
}
.card-badge.current { background: rgba(52,211,153,0.15); color: var(--green); border: 1px solid rgba(52,211,153,0.3); }

.card-tagline { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; margin-bottom: 1.25rem; }

.card-highlights { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.25rem; }
.highlight { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.875rem; }
.h-icon { flex-shrink: 0; font-size: 1rem; margin-top: 1px; }
.highlight div { color: var(--text-muted); line-height: 1.55; }
.highlight strong { color: var(--text); }

.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.card-tags span {
  padding: 0.2rem 0.65rem; border-radius: 50px;
  font-size: 0.72rem; font-weight: 500;
  background: var(--surface2); border: 1px solid var(--border); color: var(--text-muted);
}

/* ─────────────────────────────────────────────────────────────
   SKILLS
───────────────────────────────────────────────────────────── */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 1.5rem;
}

.skill-category {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  transition: var(--transition); position: relative; overflow: hidden;
}
.skill-category::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.skill-category:hover { border-color: rgba(108,99,255,0.35); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.skill-category:hover::after { transform: scaleX(1); }

.skill-icon { font-size: 2rem; margin-bottom: 1rem; }
.skill-category h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 700; margin-bottom: 0.6rem; }
.skill-category p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 1rem; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-tags span {
  padding: 0.2rem 0.65rem; border-radius: 50px; font-size: 0.72rem; font-weight: 500;
  background: rgba(108,99,255,0.12); border: 1px solid rgba(108,99,255,0.25); color: var(--accent2);
}

/* ─────────────────────────────────────────────────────────────
   EDUCATION
───────────────────────────────────────────────────────────── */
.edu-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 1.5rem;
}

.edu-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  display: flex; gap: 1.25rem; align-items: flex-start;
  transition: var(--transition);
}
.edu-card:hover { border-color: rgba(108,99,255,0.35); transform: translateY(-3px); }

.edu-icon { font-size: 2rem; flex-shrink: 0; }
.edu-degree { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.edu-school { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 0.3rem; }
.edu-year { font-size: 0.8rem; color: var(--accent2); font-weight: 500; }

/* ─────────────────────────────────────────────────────────────
   CONTACT
───────────────────────────────────────────────────────────── */
.contact-container { text-align: center; }

.contact-sub {
  color: var(--text-muted); font-size: 1rem; max-width: 440px; margin: 0 auto 2.5rem;
}

.contact-links {
  display: flex; gap: 1.25rem; justify-content: center; flex-wrap: wrap;
}

.contact-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.75rem;
  display: flex; align-items: center; gap: 1rem;
  text-decoration: none; color: var(--text); transition: var(--transition);
  min-width: 240px;
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(108,99,255,0.2);
}
.cc-icon { font-size: 1.5rem; }
.cc-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.2rem; text-transform: uppercase; letter-spacing: 0.8px; }
.cc-value { font-size: 0.9rem; font-weight: 600; }

/* ─────────────────────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────────────────────── */
footer {
  text-align: center; padding: 2rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem; color: var(--text-muted);
}
footer strong { color: var(--accent2); }

/* ─────────────────────────────────────────────────────────────
   FADE-IN ANIMATION
───────────────────────────────────────────────────────────── */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────────────────────────── */

/* Nav hamburger */
@media (max-width: 720px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  #navbar { padding: 1rem 1.25rem; }
  #navbar.scrolled { padding: 0.7rem 1.25rem; }
  #navbar.open .nav-links {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg2); padding: 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    gap: 1.25rem;
  }
}

/* About grid stacks */
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* Tablet: tighten padding */
@media (max-width: 900px) {
  .section { padding: 4.5rem 1.25rem; }
  .timeline::before { left: 16px; }
  .timeline-item { gap: 1.25rem; }
  .timeline-marker { width: 36px; }
}

/* Mobile */
@media (max-width: 600px) {
  /* Global */
  .section { padding: 3.5rem 1rem; }
  .section-title { margin-bottom: 2rem; }

  /* Hero */
  #hero { padding: 5rem 1rem 3rem; }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; justify-content: center; }
  .scroll-hint { display: none; }

  /* About photo sizing on very small screens */
  .profile-photo {
    width: 110px;
    height: 110px;
  }
  .stat-row { gap: 0.75rem; }
  .stat-card { padding: 1rem; }
  .stat-number { font-size: 2rem; }

  /* Timeline */
  .timeline::before { left: 13px; }
  .timeline-item { gap: 0.85rem; }
  .timeline-marker { width: 28px; }
  .timeline-card { padding: 1.25rem; }
  .timeline-card:hover { transform: none; } /* no translateX on touch */
  .card-header { flex-direction: column; gap: 0.5rem; }
  .card-company { font-size: 1rem; }
  .highlight { font-size: 0.83rem; }

  /* Skills */
  .skills-grid { grid-template-columns: 1fr; gap: 1rem; }
  .skill-category { padding: 1.25rem; }
  .skill-category:hover { transform: none; }

  /* Education */
  .edu-grid { grid-template-columns: 1fr; gap: 1rem; }
  .edu-card { padding: 1.25rem; }
  .edu-card:hover { transform: none; }

  /* Contact */
  .contact-card { min-width: unset; width: 100%; max-width: 340px; }
  .contact-links { flex-direction: column; align-items: center; }
}

/* Prevent horizontal overflow globally */
@media (max-width: 480px) {
  .skills-grid { grid-template-columns: minmax(0, 1fr); }
  .edu-grid { grid-template-columns: minmax(0, 1fr); }
  .card-tags span { font-size: 0.68rem; }
}