/* =========================================================================
   Portfolio site — developer-terminal aesthetic
   ========================================================================= */

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--bg-0); color: var(--fg-1);
  font-family: var(--font-sans); font-size: var(--t-base); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* faint page grid + vignette */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 30px 30px;
}
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(1200px 700px at 70% -10%, var(--accent-tint), transparent 60%);
  opacity: 0.5;
}
.wrap { position: relative; z-index: 1; }

a { color: inherit; }
::selection { background: var(--accent-tint); }

/* scrollbar */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 6px; border: 2px solid var(--bg-0); }
::-webkit-scrollbar-thumb:hover { background: var(--border); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg-0) 78%, transparent);
  backdrop-filter: blur(12px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.nav-in { max-width: var(--maxw); margin: 0 auto; padding: 12px 28px;
  display: flex; align-items: center; gap: 18px; }
.brand { font-family: var(--font-mono); font-weight: 700; font-size: 14px; color: var(--fg-0);
  display: flex; align-items: center; gap: 9px; text-decoration: none; }
.brand .sq { width: 13px; height: 13px; border-radius: 3px; background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint); }
.brand .path { color: var(--fg-3); font-weight: 500; }
.nav-links { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.nav-links a { font-family: var(--font-mono); font-size: 12.5px; color: var(--fg-2);
  text-decoration: none; padding: 7px 11px; border-radius: 6px; transition: all var(--dur) var(--ease); }
.nav-links a:hover { color: var(--fg-0); background: var(--bg-2); }
.nav-links a.active { color: var(--accent); }
.nav-links a .h { color: var(--accent); opacity: .7; }
.btn-resume {
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 600;
  color: var(--bg-0) !important; background: var(--accent);
  padding: 8px 14px !important; border-radius: 6px; text-decoration: none;
  transition: all var(--dur) var(--ease); display: inline-flex; gap: 7px; align-items: center;
}
.btn-resume:hover { background: var(--accent-bright); transform: translateY(-1px); }
.icon-btn { background: var(--bg-2); border: 1px solid var(--border); color: var(--fg-1);
  width: 34px; height: 34px; border-radius: 7px; cursor: pointer; font-size: 15px;
  display: inline-flex; align-items: center; justify-content: center; transition: all var(--dur) var(--ease); }
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }

.nav-toggle { display: none; }

/* ============ HERO ============ */
.hero { padding: 64px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 44px; align-items: center; }

.hero-eyebrow { font-family: var(--font-mono); font-size: 13px; color: var(--fg-2); margin-bottom: 18px; }
.hero-eyebrow .prompt { margin-right: 8px; }
.hero h1 {
  font-family: var(--font-mono); font-weight: 800; letter-spacing: -0.03em;
  font-size: clamp(40px, 6.4vw, 72px); line-height: 0.98; margin: 0; color: var(--fg-0);
}
.hero h1 .u { color: var(--accent); }
.hero .tagline {
  font-family: var(--font-mono); font-size: clamp(15px, 2vw, 19px); color: var(--fg-1);
  margin: 20px 0 0; font-weight: 500; letter-spacing: -0.01em;
}
.hero .tagline .sep { color: var(--accent); margin: 0 7px; }
.hero .lede { font-size: var(--t-md); color: var(--fg-2); max-width: 50ch; margin: 22px 0 0; line-height: 1.65; }
.hero .lede b { color: var(--fg-0); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.cta {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600; text-decoration: none;
  padding: 12px 18px; border-radius: 8px; transition: all var(--dur) var(--ease);
  display: inline-flex; align-items: center; gap: 9px;
}
.cta-primary { background: var(--accent); color: var(--bg-0); }
.cta-primary:hover { background: var(--accent-bright); transform: translateY(-2px); box-shadow: 0 10px 26px -12px var(--accent); }
.cta-ghost { background: transparent; color: var(--fg-1); border: 1px solid var(--border); }
.cta-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* terminal window */
.term {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop); overflow: hidden; min-height: 360px;
  display: flex; flex-direction: column;
}
.term-bar { display: flex; align-items: center; gap: 12px; padding: 11px 14px;
  background: var(--bg-2); border-bottom: 1px solid var(--border); }
.term-bar .title { font-family: var(--font-mono); font-size: 12px; color: var(--fg-2); margin: 0 auto; }
.term-bar .title b { color: var(--fg-1); }
.term-body { padding: 18px 18px 16px; font-family: var(--font-mono); font-size: 13.5px;
  line-height: 1.7; flex: 1; overflow-y: auto; max-height: 420px; }
.term-body .line { white-space: pre-wrap; word-break: break-word; }
.term-body .cmd .prompt { color: var(--accent); margin-right: 8px; }
.term-body .cmd { color: var(--fg-0); }
.term-body .out { color: var(--fg-2); padding-left: 2px; }
.term-body .out .ok { color: var(--syn-green); }
.term-body .out .key { color: var(--syn-blue); }
.term-body .out .str { color: var(--syn-green); }
.term-body .out .acc { color: var(--accent); }
.term-body .out a { color: var(--syn-blue); text-decoration: none; border-bottom: 1px dotted var(--syn-blue); }
.term-input-row { display: flex; align-items: center; padding: 6px 18px 16px; font-family: var(--font-mono); font-size: 13.5px; }
.term-input-row .prompt { color: var(--accent); margin-right: 8px; }
.term-input { background: transparent; border: none; outline: none; color: var(--fg-0);
  font-family: var(--font-mono); font-size: 13.5px; flex: 1; caret-color: var(--accent); }
.term-input::placeholder { color: var(--fg-3); }
.cursor { display: inline-block; width: 9px; height: 17px; background: var(--accent);
  vertical-align: text-bottom; animation: blink 1.05s steps(1) infinite; margin-left: 1px; }
@keyframes blink { 50% { opacity: 0; } }
.hint { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); margin-top: 9px; text-align: center; }
.hint code { color: var(--accent); }

/* ============ SECTION SHELL ============ */
section.block { padding: 56px 0; position: relative; }
.sec-label { font-family: var(--font-mono); font-size: 13px; color: var(--fg-2); margin-bottom: 10px;
  display: flex; align-items: center; gap: 9px; }
.sec-label .h { color: var(--accent); font-weight: 700; }
.sec-label .rule { flex: 1; height: 1px; background: var(--border); }
.sec-title { font-family: var(--font-mono); font-weight: 800; font-size: clamp(26px, 4vw, 38px);
  letter-spacing: -0.02em; color: var(--fg-0); margin: 0 0 8px; }
.sec-intro { color: var(--fg-2); max-width: 60ch; margin: 0 0 32px; font-size: var(--t-md); }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ============ ABOUT ============ */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: start; }
.prose-card { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px 28px; }
.prose-card p { margin: 0 0 14px; color: var(--fg-1); }
.prose-card p:last-child { margin-bottom: 0; }
.prose-card b { color: var(--fg-0); font-weight: 600; }
.prose-card .accent { color: var(--accent); font-weight: 600; }
.stat-col { display: flex; flex-direction: column; gap: 12px; }
.stat { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; }
.stat .num { font-family: var(--font-mono); font-size: 30px; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
.stat .lbl { font-size: 13px; color: var(--fg-2); margin-top: 3px; }

/* profile photo — compact, framed like an IDE file panel */
.avatar { margin: 0; align-self: flex-start; background: var(--bg-1);
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 7px;
  box-shadow: var(--shadow-card); }
.avatar img { width: 168px; height: 168px; object-fit: cover; object-position: center 18%;
  border-radius: var(--radius-sm); display: block; }
.avatar figcaption { font-family: var(--font-mono); font-size: var(--t-xs); color: var(--fg-3);
  display: flex; align-items: center; gap: 7px; padding: 7px 3px 2px; }
.avatar figcaption .on { width: 7px; height: 7px; border-radius: 50%;
  background: var(--syn-green); box-shadow: 0 0 0 3px var(--accent-tint); flex: none; }
.avatar figcaption b { color: var(--fg-1); font-weight: 600; }

/* ============ SKILLS (code block) ============ */
.code-window { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-card); }
.code-head { display: flex; align-items: center; gap: 12px; padding: 11px 16px; background: var(--bg-2);
  border-bottom: 1px solid var(--border); font-family: var(--font-mono); font-size: 12px; color: var(--fg-2); }
.code-body { display: grid; grid-template-columns: 46px 1fr; font-family: var(--font-mono);
  font-size: 13.5px; line-height: 1.95; }
.gutter { color: var(--fg-3); text-align: right; padding: 16px 12px 16px 0; user-select: none;
  border-right: 1px solid var(--border-soft); background: color-mix(in srgb, var(--bg-2) 40%, transparent); }
.code { padding: 16px 18px; overflow-x: auto; }
.code .ln { white-space: pre; }
.code .k { color: var(--syn-purple); }
.code .key { color: var(--syn-blue); }
.code .str { color: var(--syn-green); }
.code .pun { color: var(--fg-3); }
.code .acc { color: var(--accent); }
.code .cm { color: var(--fg-3); font-style: italic; }

/* ============ EXPERIENCE ============ */
.timeline { display: flex; flex-direction: column; gap: 0; }
.job { display: grid; grid-template-columns: 200px 1fr; gap: 28px; padding: 26px 0;
  border-top: 1px solid var(--border); }
.job:first-child { border-top: none; }
.job .when { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); font-weight: 600; }
.job .place { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); margin-top: 6px; }
.job .stk { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 14px; }
.chip { font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-2); border: 1px solid var(--border);
  border-radius: 5px; padding: 3px 8px; background: var(--bg-1); }
.job h3 { font-size: 21px; color: var(--fg-0); margin: 0; letter-spacing: -0.01em; }
.job .org { font-family: var(--font-mono); font-size: 13px; color: var(--accent); margin-top: 4px; }
.job .desc { color: var(--fg-2); margin: 12px 0 0; font-size: 14.5px; }
.job ul { margin: 14px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.job li { position: relative; padding-left: 22px; color: var(--fg-1); font-size: 14.5px; line-height: 1.55; }
.job li::before { content: "▹"; position: absolute; left: 0; color: var(--accent); font-family: var(--font-mono); }
.job li b { color: var(--fg-0); font-weight: 600; }
.job li code { font-family: var(--font-mono); font-size: 12.5px; color: var(--syn-green); }

/* ============ PROJECTS ============ */
.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px 24px; transition: all var(--dur) var(--ease); display: flex; flex-direction: column;
  position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--accent); opacity: 0; transition: opacity var(--dur) var(--ease); }
.card:hover { border-color: var(--border-glow); transform: translateY(-3px); box-shadow: var(--shadow-pop); }
.card:hover::before { opacity: 1; }
.card .top { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.card .fname { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); margin-left: auto; }
.card .ico { width: 30px; height: 30px; border-radius: 7px; background: var(--accent-tint);
  color: var(--accent); display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; font-size: 14px; }
.card h3 { font-size: 18px; color: var(--fg-0); margin: 0 0 4px; letter-spacing: -0.01em; }
.card .yr { font-family: var(--font-mono); font-size: 11.5px; color: var(--accent); }
.card p { color: var(--fg-2); font-size: 14px; margin: 11px 0 16px; flex: 1; line-height: 1.55; }
.card .stk { display: flex; flex-wrap: wrap; gap: 5px; }
.card.wide { grid-column: span 2; }

/* clickable project cards → case studies */
.card-link { text-decoration: none; color: inherit; cursor: pointer; }
.card-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.card .badge {
  font-family: var(--font-mono); font-size: 10.5px; color: var(--syn-green);
  border: 1px solid color-mix(in srgb, var(--syn-green) 40%, transparent);
  border-radius: var(--radius-pill); padding: 2px 9px;
}
.card-more {
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); margin-top: 14px;
  transition: color var(--dur) var(--ease); display: inline-flex; align-items: center; gap: 6px;
}
.card-link:hover .card-more { color: var(--accent); }
.intro-link { color: var(--accent); text-decoration: none; font-family: var(--font-mono); font-size: 14px; white-space: nowrap; }
.intro-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ============ EDUCATION + ACHIEVEMENTS ============ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.panel { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px 28px; }
.panel h3 { font-family: var(--font-mono); font-size: 14px; color: var(--fg-0); margin: 0 0 18px;
  display: flex; align-items: center; gap: 8px; }
.panel h3 .h { color: var(--accent); }
.edu-deg { font-size: 18px; color: var(--fg-0); font-weight: 600; }
.edu-school { font-family: var(--font-mono); font-size: 13px; color: var(--accent); margin-top: 5px; }
.edu-det { color: var(--fg-2); font-size: 14px; margin-top: 12px; line-height: 1.55; }
.edu-det b { color: var(--fg-1); }
.ach-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 13px; }
.ach-list li { position: relative; padding-left: 24px; color: var(--fg-1); font-size: 14.5px; line-height: 1.5; }
.ach-list li::before { content: "§"; position: absolute; left: 0; color: var(--accent); font-family: var(--font-mono); font-weight: 700; }
.ach-list li b { color: var(--fg-0); font-weight: 600; }

/* ============ CONTACT / FOOTER ============ */
.contact-block { padding: 72px 0 40px; }
.contact-card { background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 44px; text-align: center; box-shadow: var(--shadow-card); position: relative; overflow: hidden; }
.contact-card::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 300px at 50% 0%, var(--accent-tint), transparent 70%); }
.contact-card > * { position: relative; }
.contact-card .prompt-line { font-family: var(--font-mono); font-size: 13px; color: var(--fg-2); margin-bottom: 14px; }
.contact-card h2 { font-family: var(--font-mono); font-weight: 800; font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em; color: var(--fg-0); margin: 0 0 14px; }
.contact-card h2 .u { color: var(--accent); }
.contact-card p { color: var(--fg-2); max-width: 46ch; margin: 0 auto 28px; }
.links-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.link-btn { font-family: var(--font-mono); font-size: 13px; color: var(--fg-1); text-decoration: none;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 11px 17px;
  display: inline-flex; align-items: center; gap: 9px; transition: all var(--dur) var(--ease); }
.link-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.link-btn .g { color: var(--accent); }

.foot { border-top: 1px solid var(--border); margin-top: 56px; padding: 26px 0 48px; }
.foot-in { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.foot-in a { color: var(--fg-2); text-decoration: none; }
.foot-in a:hover { color: var(--accent); }

/* ============ RESPONSIVE ============ */
@media (max-width: 880px) {
  .hero-grid, .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .job { grid-template-columns: 1fr; gap: 12px; }
  .proj-grid, .split { grid-template-columns: 1fr; }
  .card.wide { grid-column: span 1; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; position: absolute; top: 58px; right: 14px; left: 14px;
    flex-direction: column; background: var(--bg-1); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 10px; gap: 2px; box-shadow: var(--shadow-pop); }
  .nav-links.open a { padding: 11px 14px; }
  .nav-toggle { display: inline-flex; }
}
@media (max-width: 520px) {
  .container, .nav-in { padding-left: 18px; padding-right: 18px; }
  .contact-card { padding: 30px 22px; }
}