/* ============================================================
   TOKENS
   ============================================================ */
:root{
  --bg:            #080b0f;
  --bg-alt:        #0d1116;
  --bg-panel:      #10151b;
  --bg-panel-2:    #141a21;
  --border:        #1e2830;
  --border-soft:   #171f26;

  --text:          #eef2f5;
  --text-dim:      #8b98a5;
  --text-faint:    #5c6772;

  --accent:        #00e6a8;
  --accent-dim:    #05ba8a;
  --accent-soft:   rgba(0, 230, 168, .12);
  --accent-2:      #ff8a3d;
  --danger:        #ff5f56;

  --font-display:  'Space Grotesk', 'Inter', sans-serif;
  --font-body:     'Inter', -apple-system, sans-serif;
  --font-mono:     'JetBrains Mono', 'SFMono-Regular', monospace;

  --radius:        10px;
  --radius-sm:     6px;
  --ease:          cubic-bezier(.22,.9,.32,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3{ font-family:var(--font-display); margin:0; letter-spacing:-.01em; }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

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

/* ============================================================
   BACKDROP / PARALLAX LAYERS
   ============================================================ */
.backdrop{
  position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden;
}
.grid-layer{
  position:absolute; inset:-10% -10%;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size:56px 56px;
  opacity:.35;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 20%, #000 40%, transparent 80%);
}
.glow-layer{
  position:absolute; width:60vw; height:60vw; border-radius:50%;
  filter:blur(110px); opacity:.16;
}
.glow-a{ background:var(--accent); top:-10%; left:-10%; }
.glow-b{ background:var(--accent-2); top:30%; right:-15%; opacity:.10; }
.noise-layer{
  position:absolute; inset:0; opacity:.03; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================
   PROGRESS RAIL
   ============================================================ */
.progress-rail{
  position:fixed; top:0; left:0; width:100%; height:2px; z-index:100;
  background:transparent;
}
.progress-fill{
  height:100%; width:0%;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow:0 0 8px var(--accent-soft);
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:90;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
}
.nav.is-scrolled{
  background:rgba(8,11,15,.72);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--border);
}
.nav-inner{
  max-width:1180px; margin:0 auto; padding:16px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.nav-brand{ font-family:var(--font-mono); font-size:14px; font-weight:500; }
.prompt{ color:var(--accent); }
.prompt-sep{ color:var(--text-dim); }
.nav-links{ display:flex; align-items:center; gap:28px; font-family:var(--font-mono); font-size:13px; }
.nav-links a{ color:var(--text-dim); transition:color .2s; position:relative; }
.nav-links a:hover{ color:var(--text); }
.nav-links .idx{ color:var(--accent); margin-right:6px; opacity:.7; }
.nav-external{
  color:var(--accent) !important; border:1px solid var(--accent-dim); border-radius:999px;
  padding:6px 14px !important; opacity:1 !important;
}
.nav-toggle{ display:none; background:none; border:none; width:32px; height:24px; position:relative; }
.nav-toggle span{
  position:absolute; left:0; right:0; height:2px; background:var(--text); border-radius:2px;
  transition:transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle span:nth-child(1){ top:0; }
.nav-toggle span:nth-child(2){ top:11px; }
.nav-toggle span:nth-child(3){ top:22px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(11px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-11px) rotate(-45deg); }

/* ============================================================
   SHARED LAYOUT
   ============================================================ */
main{ position:relative; z-index:1; }
.section{ padding:120px 24px; }
.section-inner{ max-width:1180px; margin:0 auto; }
.section-alt{ background:linear-gradient(180deg, transparent, rgba(255,255,255,.012) 10%, rgba(255,255,255,.012) 90%, transparent); }
.eyebrow-code{
  font-family:var(--font-mono); font-size:13px; color:var(--accent);
  margin-bottom:14px; letter-spacing:.02em;
}
.section-title{ font-size:clamp(28px,4vw,42px); font-weight:600; margin-bottom:14px; }
.section-sub{ color:var(--text-dim); max-width:560px; margin-bottom:56px; font-size:15px; }

.btn{
  display:inline-flex; align-items:center; gap:8px; padding:13px 26px; border-radius:999px;
  font-family:var(--font-mono); font-size:14px; font-weight:500; border:1px solid transparent;
  transition:transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.btn-primary{ background:var(--accent); color:#04120d; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 10px 30px -10px var(--accent-soft); }
.btn-ghost{ border-color:var(--border); color:var(--text); }
.btn-ghost:hover{ border-color:var(--accent-dim); color:var(--accent); transform:translateY(-2px); }

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* ============================================================
   TERMINAL CARD (shared)
   ============================================================ */
.terminal-card{
  background:var(--bg-panel); border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
}
.terminal-chrome{
  display:flex; align-items:center; gap:8px; padding:11px 14px;
  background:var(--bg-panel-2); border-bottom:1px solid var(--border);
}
.chrome-dot{ width:10px; height:10px; border-radius:50%; }
.chrome-dot.red{ background:#ff5f56; } .chrome-dot.amber{ background:#ffbd2e; } .chrome-dot.green{ background:#27c93f; }
.chrome-title{ margin-left:8px; font-family:var(--font-mono); font-size:12px; color:var(--text-faint); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100vh; display:flex; flex-direction:column; justify-content:center; align-items:center;
  text-align:center; padding:140px 24px 60px; position:relative;
}
.hero-inner{ max-width:760px; width:100%; display:flex; flex-direction:column; align-items:center; }
.hero-eyebrow{
  font-family:var(--font-mono); font-size:13px; color:var(--text-dim);
  display:inline-flex; align-items:center; gap:8px; margin-bottom:28px;
  border:1px solid var(--border); padding:6px 14px; border-radius:999px;
}
.dot{ width:7px; height:7px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); animation:pulse 2.2s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.4; } }

.hero-terminal{ width:100%; text-align:left; margin-bottom:36px; }
.terminal-body{
  font-family:var(--font-mono); font-size:13.5px; padding:18px 20px; min-height:132px;
  color:var(--text-dim); line-height:1.9;
}
.terminal-body .line-out{ color:var(--text); }
.terminal-body .line-accent{ color:var(--accent); }
.cursor{ display:inline-block; width:8px; height:15px; background:var(--accent); vertical-align:-2px; animation:blink 1s step-end infinite; }
@keyframes blink{ 50%{ opacity:0; } }

.hero-title{ font-size:clamp(38px,7vw,68px); font-weight:700; margin-bottom:10px; }
.hero-role{ font-family:var(--font-mono); color:var(--accent); font-size:15px; margin-bottom:20px; }
.hero-desc{ color:var(--text-dim); max-width:560px; font-size:16px; margin-bottom:36px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; justify-content:center; margin-bottom:64px; }

.hero-stats{
  display:flex; gap:56px; flex-wrap:wrap; justify-content:center;
  padding-top:40px; border-top:1px solid var(--border); width:100%; max-width:640px;
}
.stat{ display:flex; flex-direction:column; align-items:center; }
.stat-num{ font-family:var(--font-display); font-size:38px; font-weight:700; color:var(--text); }
.stat-suffix{ font-family:var(--font-display); font-size:38px; font-weight:700; color:var(--accent); margin-left:2px; }
.stat-label{ font-size:12.5px; color:var(--text-dim); margin-top:4px; font-family:var(--font-mono); }

.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  width:22px; height:36px; border:1.5px solid var(--border); border-radius:12px;
}
.scroll-cue span{
  position:absolute; top:6px; left:50%; width:3px; height:8px; margin-left:-1.5px;
  background:var(--accent); border-radius:2px; animation:scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue{ 0%{ opacity:1; transform:translateY(0); } 70%{ opacity:0; transform:translateY(10px); } 100%{ opacity:0; } }

/* ============================================================
   SKILLS
   ============================================================ */
.skill-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:20px; }
.skill-card{
  background:var(--bg-panel); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px; transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.skill-card:hover{ transform:translateY(-6px); border-color:var(--accent-dim); box-shadow:0 20px 40px -24px var(--accent-soft); }
.skill-icon{ font-family:var(--font-mono); color:var(--accent); font-size:20px; display:block; margin-bottom:16px; }
.skill-card h3{ font-size:18px; margin-bottom:10px; }
.skill-card p{ color:var(--text-dim); font-size:14.5px; margin-bottom:18px; }
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; }
.tag-row span{
  font-family:var(--font-mono); font-size:11.5px; color:var(--text-dim);
  border:1px solid var(--border); border-radius:6px; padding:4px 9px;
}

/* ============================================================
   GIT LOG (experience)
   ============================================================ */
.git-log{ position:relative; }
.commit{ display:flex; gap:20px; }
.commit-graph{
  position:relative; width:20px; flex:none; display:flex; justify-content:center;
}
.commit-graph::before{
  content:''; position:absolute; top:0; bottom:-8px; left:50%; width:2px;
  background:var(--border); transform:translateX(-50%);
}
.commit:last-child .commit-graph::before{ bottom:50%; }
.commit:first-child .commit-graph::before{ top:22px; }
.node{
  position:relative; z-index:1; margin-top:22px; width:12px; height:12px; border-radius:50%;
  background:var(--bg-panel); border:2px solid var(--accent-dim);
}
.node-head{ background:var(--accent); box-shadow:0 0 0 4px var(--accent-soft); }
.node-base{ border-color:var(--text-faint); }
.commit-card{ flex:1; margin-bottom:20px; }
.commit-summary{
  width:100%; text-align:left; background:var(--bg-panel); border:1px solid var(--border);
  border-radius:var(--radius); padding:18px 20px; display:flex; flex-wrap:wrap; align-items:center;
  gap:8px 16px; color:var(--text); transition:border-color .25s var(--ease), background .25s var(--ease);
}
.commit-summary:hover{ border-color:var(--accent-dim); }
.commit-hash{ font-family:var(--font-mono); color:var(--accent-2); font-size:13px; }
.commit-msg{ font-family:var(--font-mono); font-size:14.5px; flex:1 1 340px; }
.commit-meta{ margin-left:auto; display:flex; align-items:center; gap:12px; font-family:var(--font-mono); font-size:12.5px; }
.commit-date{ color:var(--text-dim); }
.stat-add{ color:var(--accent); } .stat-del{ color:var(--danger); }
.commit-summary::after{
  content:'▸'; margin-left:8px; color:var(--text-faint); transition:transform .25s var(--ease);
}
.commit-summary[aria-expanded="true"]::after{ transform:rotate(90deg); }

.commit-body{
  overflow:hidden; max-height:0; transition:max-height .4s var(--ease);
  background:var(--bg-panel); border:1px solid var(--border); border-top:none;
  border-radius:0 0 var(--radius) var(--radius); margin-top:-1px;
}
.commit-body.is-open{ max-height:600px; }
.commit-body > *{ padding-left:20px; padding-right:20px; }
.commit-role{ color:var(--accent); font-family:var(--font-mono); font-size:13px; padding-top:18px; margin-bottom:12px; }
.commit-body ul{ margin-bottom:16px; }
.commit-body li{
  position:relative; padding-left:18px; margin-bottom:9px; font-size:14.5px; color:var(--text-dim);
}
.commit-body li::before{ content:'+'; position:absolute; left:0; color:var(--accent); font-family:var(--font-mono); }
.commit-body .tag-row{ padding-bottom:20px; }

/* ============================================================
   MANIFEST (education)
   ============================================================ */
.manifest-card{ max-width:820px; }
.manifest-body{
  margin:0; padding:22px 24px; font-family:var(--font-mono); font-size:13px; line-height:1.85;
  color:var(--text-dim); overflow-x:auto;
}
.tok-key{ color:var(--accent-2); }
.tok-str{ color:var(--accent); }
.tok-brace,.tok-brack{ color:var(--text-faint); }
.manifest-note{ color:var(--text-dim); font-size:14px; margin-top:20px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns:1fr 1.3fr; gap:48px; align-items:start; }
.contact-lead{ color:var(--text-dim); font-size:15.5px; margin-bottom:28px; max-width:360px; }
.contact-links{ display:flex; flex-direction:column; gap:16px; }
.contact-links li{ display:flex; align-items:baseline; gap:12px; font-family:var(--font-mono); font-size:14px; }
.contact-label{ color:var(--text-faint); width:64px; flex:none; }
.contact-links a{ color:var(--text); border-bottom:1px solid var(--border); transition:color .2s, border-color .2s; }
.contact-links a:hover{ color:var(--accent); border-color:var(--accent-dim); }

.contact-form{ padding:22px 22px 26px; display:flex; flex-direction:column; gap:16px; }
.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-family:var(--font-mono); font-size:12.5px; color:var(--text-dim); display:flex; gap:6px; }
.prompt-small{ color:var(--accent); }
.field input, .field textarea{
  background:var(--bg-alt); border:1px solid var(--border); border-radius:var(--radius-sm);
  color:var(--text); font-family:var(--font-mono); font-size:14px; padding:11px 13px;
  resize:vertical; transition:border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus{
  outline:none; border-color:var(--accent-dim); box-shadow:0 0 0 3px var(--accent-soft);
}
.btn-send{ justify-content:center; margin-top:6px; position:relative; }
.btn-spinner{
  width:14px; height:14px; border-radius:50%; border:2px solid rgba(4,18,13,.3); border-top-color:#04120d;
  display:none; animation:spin .7s linear infinite;
}
.btn-send.is-loading .btn-label{ opacity:.6; }
.btn-send.is-loading .btn-spinner{ display:inline-block; }
@keyframes spin{ to{ transform:rotate(360deg); } }
.form-log{
  margin:0; font-family:var(--font-mono); font-size:12.5px; color:var(--text-dim);
  white-space:pre-wrap; min-height:0;
}
.form-log:empty{ display:none; }
.form-log.is-error{ color:var(--danger); }
.form-log.is-success{ color:var(--accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  position:relative; z-index:1; text-align:center; padding:48px 24px 56px;
  border-top:1px solid var(--border); color:var(--text-faint); font-size:13px;
  display:flex; flex-direction:column; gap:10px; align-items:center;
}
.back-top{ color:var(--text-dim); font-family:var(--font-mono); font-size:12.5px; }
.back-top:hover{ color:var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 860px){
  .contact-grid{ grid-template-columns:1fr; }
}

@media (max-width: 720px){
  .nav-links{
    position:fixed; top:0; right:0; height:100vh; width:min(78vw,320px);
    background:rgba(10,13,18,.98); backdrop-filter:blur(16px);
    flex-direction:column; align-items:flex-start; justify-content:center; gap:26px;
    padding:40px; border-left:1px solid var(--border);
    transform:translateX(100%); transition:transform .35s var(--ease);
  }
  .nav-links.is-open{ transform:translateX(0); }
  .nav-toggle{ display:block; z-index:95; }
  .hero{ padding-top:120px; }
  .hero-stats{ gap:32px; }
  .section{ padding:88px 20px; }
  .commit-meta{ margin-left:0; }
}