/* =================================================================
   PEXX PRO — Portfolio
   Design direction: dark "instrument panel" — a developer's own
   terminal as the hero, monospace as voice, warm amber as the only
   signal color. Hairline rules instead of heavy dividers.
================================================================= */

:root{
  --ink:        #0A0C10;
  --panel:      #12151B;
  --panel-2:    #161A21;
  --line:       #20252E;
  --paper:      #ECEEF1;
  --mute:       #8A92A0;
  --signal:     #FFB454;
  --signal-soft: rgba(255,180,84,0.12);
  --cool:       #4FD1C5;
  --cool-soft:  rgba(79,209,197,0.12);

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --maxw: 1140px;
  --radius: 6px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }

img, svg{ display: block; }

::selection{ background: var(--signal-soft); color: var(--signal); }

:focus-visible{
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.eyebrow{
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--signal);
  margin: 0 0 14px;
}

.section-title{
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  margin: 0 0 36px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ---------------- NAV ---------------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(20px, 5vw, 64px);
  background: rgba(10,12,16,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.logo{ display:flex; align-items:center; gap:10px; margin-right: auto; }
.logo-mark{
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--signal);
  color: var(--ink);
  padding: 5px 7px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}
.logo-text{ font-family: var(--mono); font-size: 0.95rem; letter-spacing: 0.01em; }
.logo-dim{ color: var(--mute); }

.nav-links{ display:flex; gap: 28px; font-size: 0.92rem; }
.nav-links a{ color: var(--mute); transition: color .15s ease; }
.nav-links a:hover{ color: var(--paper); }

.nav-cta{
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  white-space: nowrap;
}
.nav-cta:hover{ border-color: var(--signal); color: var(--signal); }

.nav-toggle{
  display:none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  background: none; border: none; cursor: pointer;
}
.nav-toggle span{ width: 100%; height: 1.5px; background: var(--paper); }

/* ---------------- HERO ---------------- */
.hero{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 64px) clamp(64px, 8vw, 100px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-name{
  font-family: var(--mono);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  font-weight: 700;
}

.hero-role{
  font-size: 1.15rem;
  color: var(--signal);
  font-weight: 600;
  margin: 0 0 18px;
}

.hero-tagline{
  color: var(--mute);
  font-size: 1.02rem;
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions{ display:flex; gap: 14px; flex-wrap: wrap; }

.btn{
  font-family: var(--mono);
  font-size: 0.86rem;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
}
.btn-primary{ background: var(--signal); color: var(--ink); font-weight: 600; }
.btn-primary:hover{ background: #ffc679; }
.btn-ghost{ border-color: var(--line); color: var(--paper); }
.btn-ghost:hover{ border-color: var(--signal); color: var(--signal); }

/* terminal */
.hero-terminal{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.terminal-bar{
  display:flex; align-items:center; gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
.dot{ width:9px; height:9px; border-radius:50%; display:inline-block; }
.dot-r{ background:#FF5F57; } .dot-y{ background:#FEBC2E; } .dot-g{ background:#28C840; }
.terminal-title{
  margin-left: 10px;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--mute);
}
.terminal-body{
  font-family: var(--mono);
  font-size: 0.86rem;
  padding: 22px 18px;
  min-height: 220px;
  color: #C9CDD4;
}
.terminal-body .ln{ margin: 0 0 10px; white-space: pre-wrap; }
.terminal-body .prompt{ color: var(--cool); }
.terminal-body .out{ color: var(--signal); }
.cursor{
  display:inline-block;
  width: 7px; height: 1em;
  background: var(--signal);
  margin-left: 2px;
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink{ 50%{ opacity: 0; } }

/* ---------------- SECTIONS ---------------- */
.section{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 88px) clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
}

/* about */
.about-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
}
.about-copy h2{
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  line-height: 1.35;
  margin: 0 0 20px;
  font-weight: 700;
}
.about-copy p{ color: var(--mute); margin: 0 0 16px; max-width: 56ch; }

.about-facts{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 20px;
}
.fact-row{
  display:flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}
.fact-row:last-child{ border-bottom: none; }
.fact-label{ font-family: var(--mono); color: var(--mute); letter-spacing: 0.04em; }
.fact-value{ text-align: right; }

/* stack */
.stack-groups{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.stack-group h3{
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mute);
  margin: 0 0 16px;
  font-weight: 600;
}
.chips{ display:flex; flex-wrap: wrap; gap: 10px; }
.chip{
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

/* work */
.work-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.work-card{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  transition: border-color .15s ease, transform .15s ease;
}
.work-card:hover{ border-color: var(--signal); transform: translateY(-2px); }
.work-meta{
  display:flex; align-items:center; justify-content: space-between;
  margin-bottom: 14px;
}
.work-category{
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--mute);
  letter-spacing: 0.03em;
}
.status{
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  border-radius: 4px;
}
.status-live{ background: var(--cool-soft); color: var(--cool); }
.status-progress{ background: var(--signal-soft); color: var(--signal); }
.work-card h3{ margin: 0 0 8px; font-size: 1.12rem; }
.work-card p{ color: var(--mute); margin: 0 0 18px; font-size: 0.92rem; }
.work-link{ font-family: var(--mono); font-size: 0.82rem; color: var(--signal); }

/* contact */
.contact-sub{ color: var(--mute); max-width: 50ch; margin: 0 0 36px; }
.contact-links{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 640px;
}
.contact-link{
  display:flex; align-items:center; gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  font-size: 0.92rem;
}
.contact-link svg{ width: 18px; height: 18px; color: var(--signal); flex-shrink: 0; }
.contact-link:hover{ border-color: var(--signal); }

/* footer */
.footer{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px clamp(20px, 5vw, 64px) 44px;
  display:flex; justify-content: space-between; align-items: center;
  color: var(--mute);
  font-size: 0.84rem;
}
.to-top{ font-family: var(--mono); }
.to-top:hover{ color: var(--signal); }

/* ---------------- REVEAL ---------------- */
.reveal{ opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
  .cursor{ animation: none; }
  html{ scroll-behavior: auto; }
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 900px){
  .hero{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; }
  .stack-groups{ grid-template-columns: 1fr 1fr; }
  .work-grid{ grid-template-columns: 1fr; }
  .contact-links{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .nav-links, .nav-cta{ display: none; }
  .nav-toggle{ display: flex; }
  .nav.is-open .nav-links{
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    padding: 18px clamp(20px, 5vw, 64px);
    gap: 18px;
  }
  .stack-groups{ grid-template-columns: 1fr; }
}