/* =========================================================
   TOKENS
========================================================= */
:root{
  --bg:        #0F172A;
  --panel:     #1E293B;
  --panel-2:   #243044;
  --border:    #334155;
  --text:      #F8FAFC;
  --muted:     #94A3B8;
  --violet:    #2563EB;
  --violet-2:  #06B6D4;
  --blue:      #06B6D4;
  --amber:     #F2B84B;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max: 1180px;
  --radius: 16px;
}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; }

::selection{ background:var(--violet); color:#fff; }
:focus-visible{ outline:2px solid var(--violet-2); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.08em;
  color:var(--violet-2);
  margin:0 0 12px;
}

.section__title{
  font-family:var(--font-display);
  font-size:clamp(1.7rem, 3vw, 2.4rem);
  font-weight:600;
  margin:0 0 40px;
}

/* =========================================================
   NAV
========================================================= */
.nav{
  position:sticky;
  top:0;
  z-index:200;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 48px;
  background:rgba(11,12,16,0.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav__brand{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.3rem;
}
.nav__brand span{ color:var(--violet-2); }

.nav__links{ display:flex; gap:36px; }
.nav__links a{
  font-size:0.92rem;
  color:var(--muted);
  transition:color .15s ease;
  position:relative;
}
.nav__links a:hover{ color:var(--text); }

.nav__toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px;
}
.nav__toggle span{ width:20px; height:2px; background:var(--text); border-radius:2px; }

/* =========================================================
   HERO
========================================================= */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  padding:40px 48px;
}

.blob{
  position:absolute;
  border-radius:50%;
  filter:blur(70px);
  opacity:0.45;
  z-index:0;
  animation:float 14s ease-in-out infinite;
}
.blob--one{
  width:520px; height:520px;
  background:radial-gradient(circle at 30% 30%, var(--violet), transparent 70%);
  top:-120px; right:-80px;
}
.blob--two{
  width:420px; height:420px;
  background:radial-gradient(circle at 60% 40%, var(--blue), transparent 70%);
  bottom:-140px; left:-100px;
  animation-delay:-6s;
}
@keyframes float{
  0%, 100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(30px,-24px) scale(1.06); }
}

.hero__inner{
  position:relative;
  z-index:1;
  max-width:var(--max);
  margin:0 auto;
  width:100%;
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:48px;
  align-items:center;
}

.hero__eyebrow{
  font-family:var(--font-mono);
  color:var(--violet-2);
  font-size:1rem;
  margin:0 0 4px;
}
.hero__name{
  font-family:var(--font-display);
  font-size:clamp(2.4rem, 5.6vw, 4.2rem);
  font-weight:700;
  margin:0 0 12px;
  line-height:1.05;
  background:linear-gradient(100deg, var(--text) 40%, var(--violet-2));
  -webkit-background-clip:text;
  background-clip:text;
}
.hero__role{ margin:0 0 20px; min-height:2rem; }
.role-cycle{
  font-family:var(--font-mono);
  font-size:1.15rem;
  color:var(--blue);
}
.hero__desc{
  color:var(--muted);
  font-size:1.05rem;
  max-width:46ch;
  margin:0 0 36px;
}

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

.btn{
  font-size:0.92rem;
  font-weight:600;
  padding:13px 26px;
  border-radius:999px;
  border:1px solid transparent;
  display:inline-block;
  transition:transform .15s ease, background .15s ease, border-color .15s ease, opacity .15s ease;
  cursor:pointer;
}
.btn:hover{ transform:translateY(-2px); }
.btn--primary{ background:linear-gradient(120deg, var(--violet), var(--blue)); color:#fff; }
.btn--ghost{ border-color:var(--border); background:var(--panel); color:var(--text); }
.btn--ghost:hover{ border-color:var(--violet-2); }
.btn--outline{ border-color:var(--violet); color:var(--violet-2); }
.btn--outline:hover{ background:rgba(124,92,255,0.1); }
.btn--sm{ padding:9px 18px; font-size:0.82rem; }
.btn[disabled]{ opacity:0.4; cursor:not-allowed; }
.btn[disabled]:hover{ transform:none; }

/* ---- portrait ---- */
.hero__portrait{
  position:relative;
  width:100%;
  max-width:360px;
  aspect-ratio:1/1;
  margin:0 auto;
}
.portrait__ring{
  position:absolute;
  inset:-14px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--violet), var(--blue));
  opacity:0.6;
  filter:blur(2px);
  animation:spin 10s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }

.portrait__frame{
  position:absolute;
  inset:0;
  border-radius:50%;
  background:var(--panel);
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.portrait__frame img{ width:100%; height:100%; object-fit:cover; }
.portrait__placeholder{
  font-family:var(--font-mono);
  font-size:0.85rem;
  color:var(--muted);
  text-align:center;
}

.scroll-cue{
  position:absolute;
  bottom:28px;
  left:50%;
  transform:translateX(-50%);
  width:26px; height:42px;
  border:2px solid var(--border);
  border-radius:20px;
  z-index:1;
}
.scroll-cue span{
  position:absolute;
  top:8px; left:50%;
  transform:translateX(-50%);
  width:4px; height:8px;
  border-radius:2px;
  background:var(--violet-2);
  animation:scrollDown 1.6s ease infinite;
}
@keyframes scrollDown{
  0%{ opacity:1; top:8px; }
  100%{ opacity:0; top:22px; }
}

/* =========================================================
   SECTIONS (shared)
========================================================= */
.section{
  padding:100px 48px;
  max-width:var(--max);
  margin:0 auto;
}
.section--alt{
  max-width:none;
  background:var(--panel);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section--alt > *{ max-width:var(--max); margin-left:auto; margin-right:auto; }

/* ---- about ---- */
.about__content{ max-width:70ch; }
.about__content p{ color:var(--muted); font-size:1.05rem; margin:0 0 18px; }
.about__content strong{ color:var(--text); }

/* ---- skills ---- */
.skills__group{ margin-bottom:48px; }
.skills__group:last-child{ margin-bottom:0; }
.skills__group h3{
  font-family:var(--font-display);
  font-size:1.15rem;
  margin:0 0 24px;
}

.skill-ring-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(110px, 1fr));
  gap:24px;
}
.skill-ring{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  position:relative;
}
.skill-ring svg{ width:88px; height:88px; transform:rotate(-90deg); }
.ring-bg{ fill:none; stroke:var(--border); stroke-width:8; }
.ring-fg{
  fill:none;
  stroke:url(#ring-gradient);
  stroke:var(--violet-2);
  stroke-width:8;
  stroke-linecap:round;
  stroke-dasharray:264;
  stroke-dashoffset:264;
  transition:stroke-dashoffset 1.1s cubic-bezier(.4,0,.2,1);
}
.skill-ring__label{ font-size:0.85rem; font-weight:600; }
.skill-ring__value{ font-family:var(--font-mono); font-size:0.75rem; color:var(--muted); }

.tag-row{ display:flex; flex-wrap:wrap; gap:10px; }
.tag{
  font-size:0.85rem;
  padding:9px 18px;
  border-radius:999px;
  background:var(--bg);
  border:1px solid var(--border);
  color:var(--muted);
}

/* ---- projects ---- */
.projects{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:24px;
}
.project-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .2s ease, border-color .2s ease;
}
.project-card:hover{ transform:translateY(-4px); border-color:var(--violet); }
.project-card__media{
  height:120px;
  background:linear-gradient(135deg, rgba(124,92,255,0.25), rgba(77,163,255,0.2));
  display:flex;
  align-items:flex-start;
  justify-content:flex-end;
  padding:14px;
}
.project-card__tag{
  font-family:var(--font-mono);
  font-size:0.7rem;
  background:var(--bg);
  border:1px solid var(--border);
  padding:5px 12px;
  border-radius:999px;
  color:var(--violet-2);
}
.project-card__tag--soon{ color:var(--amber); }
.project-card__body{ padding:24px; }
.project-card__body h3{
  font-family:var(--font-display);
  font-size:1.15rem;
  margin:0 0 10px;
}
.stack-note{
  font-family:var(--font-mono);
  font-size:0.7rem;
  color:var(--muted);
  border:1px solid var(--border);
  padding:2px 8px;
  border-radius:999px;
  margin-left:6px;
  vertical-align:middle;
}
.project-card__body p{ color:var(--muted); font-size:0.92rem; margin:0 0 20px; min-height:3.2em; }
.project-card__links{ display:flex; gap:10px; }
.project-card--disabled{ opacity:0.6; }
.project-card--disabled:hover{ transform:none; border-color:var(--border); }

/* ---- education timeline ---- */
.edu-timeline{ position:relative; padding-left:32px; }
.edu-timeline__line{
  position:absolute;
  left:5px; top:6px; bottom:6px;
  width:2px;
  background:var(--border);
}
.edu-item{ position:relative; padding-bottom:40px; }
.edu-item:last-child{ padding-bottom:0; }
.edu-item__dot{
  position:absolute;
  left:-32px; top:4px;
  width:12px; height:12px;
  border-radius:50%;
  background:var(--violet);
  box-shadow:0 0 0 4px rgba(124,92,255,0.18);
}
.edu-item__card{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px 28px;
}
.edu-item__year{
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--violet-2);
}
.edu-item__card h3{
  font-family:var(--font-display);
  font-size:1.1rem;
  margin:8px 0;
}
.edu-item__card p{ color:var(--muted); margin:0; }

/* ---- experience ---- */
.experience-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
  gap:24px;
}
.experience-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
}
.experience-card__icon{
  display:inline-flex;
  color:var(--violet-2);
  font-size:1.3rem;
  margin-bottom:14px;
}
.experience-card h3{
  font-family:var(--font-display);
  font-size:1.1rem;
  margin:0 0 10px;
}
.experience-card p{ color:var(--muted); font-size:0.92rem; margin:0; }

/* ---- contact ---- */
.contact{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(200px,1fr));
  gap:20px;
}
.contact__card{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  text-align:center;
  transition:border-color .2s ease, transform .2s ease;
}
.contact__card:hover{ border-color:var(--violet); transform:translateY(-3px); }
.contact__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px; height:44px;
  border-radius:50%;
  background:linear-gradient(120deg, var(--violet), var(--blue));
  color:#fff;
  font-size:1.05rem;
  margin-bottom:14px;
}
.contact__card h3{
  font-family:var(--font-display);
  font-size:1rem;
  margin:0 0 8px;
}
.contact__card a, .contact__card span{
  font-size:0.88rem;
  color:var(--muted);
  word-break:break-word;
}
.contact__card a:hover{ color:var(--violet-2); }

/* ---- footer ---- */
.footer{
  text-align:center;
  padding:36px 24px 44px;
  border-top:1px solid var(--border);
  color:var(--muted);
  font-size:0.85rem;
}
.footer p{ margin:4px 0; }
.footer strong{ color:var(--text); }

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 900px){
  .nav{ padding:18px 24px; }
  .nav__links{
    position:fixed;
    top:64px; right:24px;
    background:var(--panel);
    border:1px solid var(--border);
    border-radius:12px;
    flex-direction:column;
    padding:16px 24px;
    gap:16px;
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:transform .2s ease, opacity .2s ease;
  }
  .nav__links.is-open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  .nav__toggle{ display:flex; }

  .hero{ padding:24px; min-height:auto; padding-top:60px; padding-bottom:80px; }
  .hero__inner{ grid-template-columns:1fr; text-align:center; }
  .hero__cta{ justify-content:center; }
  .hero__desc{ margin-left:auto; margin-right:auto; }
  .hero__portrait{ order:-1; max-width:240px; }

  .section{ padding:64px 24px; }
  .section--alt > *{ padding-left:0; padding-right:0; }
}