/* ── Reset & Base ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0e17;
  --surface:   #111827;
  --card:      #1a2236;
  --border:    #2a3550;
  --text:      #c9d1de;
  --heading:   #eaf0f8;
  --accent:    #6ee7b7;
  --accent-dk: #34d399;
  --muted:     #6b7a99;
  --radius:    12px;
  --max-w:     1100px;
  --sidebar-w: 240px;
}

html { scroll-behavior: auto; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .8; }

img { max-width: 100%; display: block; }

/* ── Sidebar Nav (desktop) ───────────────────────────── */
#sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  display: flex; flex-direction: column; z-index: 100;
}

.logo { font-weight: 700; font-size: 1.3rem; color: var(--accent); letter-spacing: -.5px; margin-bottom: 2.5rem; }

#sidebar-nav { list-style: none; flex: 1; }
#sidebar-nav li { margin-bottom: .25rem; }
#sidebar-nav a {
  display: block; padding: .6rem .8rem; border-radius: var(--radius);
  color: var(--muted); font-size: .9rem; font-weight: 500; transition: all .2s;
}
#sidebar-nav a:hover, #sidebar-nav a.active {
  color: var(--heading); background: rgba(110,231,183,.08);
}

.sidebar-footer { font-size: .75rem; color: var(--muted); }

/* ── Mobile Top Nav ─────────────────────────────────── */
#mobile-nav { display: none; position: fixed; top: 0; left: 0; right: 0; z-index: 100; }

#mobile-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.2rem; background: rgba(17,24,39,.95);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
}

#menu-toggle { background: none; border: none; color: var(--heading); font-size: 1.5rem; cursor: pointer; }

#mobile-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--border); }
#mobile-menu.open { display: block; }
#mobile-menu ul { list-style: none; padding: .5rem 0; }
#mobile-menu a { display: block; padding: .75rem 1.2rem; color: var(--muted); font-size: .95rem; transition: all .2s; }
#mobile-menu a:hover, #mobile-menu a.active { color: var(--heading); background: rgba(110,231,183,.06); }

/* ── Main Content Area ───────────────────────────────── */
main { margin-left: var(--sidebar-w); min-height: 100vh; position: relative; }

/* ── Views (one at a time) ───────────────────────────── */
.view { display: none; min-height: 100vh; padding-top: 56px; }
.view.active { display: block; }

@media (min-width: 769px) {
  .view { padding-top: 0; }
}

/* ── Hero View ─────────────────────────────────────── */
.hero-view {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-inner { max-width: 700px; }

.tagline {
  font-size: .85rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem; font-weight: 600;
}

.hero-view h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800; line-height: 1.1; color: var(--heading);
  margin-bottom: 1.25rem; letter-spacing: -1px;
}

.bio { font-size: 1.1rem; color: var(--muted); max-width: 560px; margin: 0 auto; }

/* ── Section Header (inside each view) ─────────────── */
.section-header { padding: 3rem 2rem 1.5rem; text-align: center; }

h2 { font-size: 1.6rem; color: var(--heading); margin-bottom: .5rem; position: relative; display: inline-block; left: 50%; transform: translateX(-50%); }
.heading-line { display: block; height: 3px; width: 60px; background: var(--accent); border-radius: 2px; margin-top: .4rem; }

.section-sub { text-align: center; color: var(--muted); font-size: .95rem; }

/* ── Content area inside each view ─────────────────── */
.view-content { max-width: var(--max-w); margin: auto; padding: 0 2rem 3rem; }
.alt-bg { background: var(--surface); border-radius: var(--radius); margin: 0 1.5rem 2rem; }

/* ── Cards ────────────────────────────────────────────── */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.8rem; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,.35); }

/* ── Quick Links (index) ─────────────────────────────── */
.quick-links { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); max-width: var(--max-w); margin: auto; }

.ql-card {
  display: flex; align-items: center; gap: 1.2rem; padding: 1.5rem 1.8rem;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  opacity: 1 !important; transition: transform .2s, border-color .2s;
}
.ql-card:hover { transform: translateY(-3px); border-color: var(--accent-dk); }

.ql-icon { font-size: 2rem; color: var(--accent); flex-shrink: 0; }
.ql-title { display: block; font-weight: 600; color: var(--heading); font-size: 1.05rem; }
.ql-desc { display: block; font-size: .82rem; color: var(--muted); margin-top: .15rem; }

/* ── Resume Page Layout ─────────────────────────────── */
.resume-page { max-width: var(--max-w); margin: auto; padding: 0 2rem 3rem; display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .resume-page { grid-template-columns: 2fr 1fr; } }

.timeline-item { margin-bottom: 1.5rem; padding-left: 1rem; border-left: 2px solid var(--border); }
.timeline-item:last-child { margin-bottom: 0; }
.date { font-size: .8rem; color: var(--accent-dk); font-weight: 600; letter-spacing: .5px; }
.timeline-item h4 { font-size: 1.05rem; color: var(--heading); margin: .25rem 0 .15rem; }
.company { font-size: .85rem; color: var(--muted); margin-bottom: .35rem; }
.timeline-item ul { padding-left: 1.1rem; font-size: .9rem; }
.timeline-item li { margin-bottom: .25rem; }

.skill-group { margin-bottom: 1.3rem; }
.skill-label { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); margin-bottom: .4rem; font-weight: 600; }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; }
.tags li { background: rgba(110,231,183,.1); color: var(--accent-dk); padding: .25rem .7rem; border-radius: 99px; font-size: .8rem; font-weight: 500; }

/* ── Link Grid (socials) ─────────────────────────────── */
.link-grid { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); max-width: var(--max-w); margin: auto; }

.link-card {
  display: flex; align-items: center; gap: 1rem; padding: 1.3rem 1.5rem;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  transition: transform .2s, border-color .2s; opacity: 1 !important;
}
.link-card:hover { transform: translateY(-3px); border-color: var(--accent-dk); }

.icon { flex-shrink: 0; color: var(--heading); }
.link-title { display: block; font-weight: 600; color: var(--heading); font-size: .95rem; }

/* ── Blog Grid (blog index) ─────────────────────────── */
.blog-page-grid { max-width: var(--max-w); margin: auto; padding: 0 2rem 3rem; display: grid; gap: 1.5rem; }

.blog-card { padding: 1.8rem; opacity: 1 !important; text-decoration: none; color: inherit; display: block; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); transition: transform .2s, box-shadow .2s; }
.blog-card:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,.35); }

.blog-card time { font-size: .75rem; color: var(--accent-dk); font-weight: 600; letter-spacing: .5px; }
.blog-card h3 { font-size: 1.15rem; color: var(--heading); margin: .4rem 0 .5rem; line-height: 1.35; }
.blog-card p { font-size: .88rem; color: var(--muted); margin-bottom: .75rem; }

.tag { display: inline-block; background: rgba(110,231,183,.1); color: var(--accent-dk); padding: .2rem .6rem; border-radius: 99px; font-size: .72rem; font-weight: 600; margin-right: .4rem; }

/* ── Forum Grid (forum index) ───────────────────────── */
.forum-page-grid { max-width: var(--max-w); margin: auto; padding: 0 2rem 3rem; display: grid; gap: 1.2rem; }

.forum-post { padding: 1.3rem 1.5rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); transition: transform .2s, box-shadow .2s; }
.forum-post:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,.3); }

.post-meta { display: flex; gap: .8rem; align-items: center; margin-bottom: .4rem; font-size: .8rem; }
.author { color: var(--accent-dk); font-weight: 600; }
.post-meta time { color: var(--muted); }

.forum-post h4 { font-size: 1rem; color: var(--heading); margin-bottom: .35rem; }
.forum-post h4 a { opacity: 1 !important; }
.excerpt { font-size: .85rem; color: var(--muted); margin-bottom: .6rem; line-height: 1.5; }

.badge { display: inline-block; background: rgba(110,231,183,.1); color: var(--accent-dk); padding: .2rem .6rem; border-radius: 99px; font-size: .72rem; font-weight: 600; }

/* ── AI News Grid ───────────────────────────────────── */
.news-grid { max-width: var(--max-w); margin: auto; padding: 0 2rem 3rem; display: grid; gap: 1.5rem; }

.news-card { padding: 1.8rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); transition: transform .2s, box-shadow .2s, border-color .2s; display: flex; flex-direction: column; gap: .75rem; }
.news-card:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,.35); border-color: var(--accent-dk); }

.news-date { font-size: .75rem; color: var(--accent-dk); font-weight: 600; letter-spacing: .5px; }
.news-card h3 { font-size: 1.1rem; color: var(--heading); line-height: 1.4; }
.news-card p { font-size: .88rem; color: var(--muted); margin-bottom: 0; flex: 1; }

@media (min-width: 768px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .news-grid { grid-template-columns: repeat(3, 1fr); } }

/* ── Footer ───────────────────────────────────────────── */
footer { text-align: center; padding: 3rem 2rem; color: var(--muted); font-size: .85rem; border-top: 1px solid var(--border); margin-top: 0; }
.foot-links { margin-top: .6rem; }
.foot-links a { color: var(--muted); margin: 0 .3rem; }

/* ── Responsive (mobile) ─────────────────────────────── */
@media (max-width: 768px) {
  #sidebar { display: none; }
  #mobile-nav { display: block; }
  main { margin-left: 0; }
  .view.active { min-height: calc(100vh - 56px); }
}