/* =========================
   Premium Dark Portfolio UI
   - smooth scrolling
   - subtle animations
   - hover transitions
========================= */

:root{
  --bg: #06070c;
  --bg2:#070a12;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.04);
  --border: rgba(255,255,255,.10);
  --border2: rgba(255,255,255,.08);

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted2: rgba(255,255,255,.55);

  --shadow: rgba(0,0,0,.55);
  --radius: 18px;
  --radius2: 24px;

  --accent: 125, 90, 255;   /* violet */
  --accent2: 66, 220, 192;  /* teal */
}

/* Smooth scrolling */
html { scroll-behavior: smooth; }

* { box-sizing: border-box; }

:target { scroll-margin-top: 80px; }

/* --- (1) Mouse glow overlay --- */
.glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
  transition: opacity .25s ease;
}

.glow::before {
  content: "";
  position: absolute;
  width: 900px;
  height: 900px;
  left: var(--mx, 50%);
  top: var(--my, 50%);
  transform: translate(-50%, -50%);
  background: radial-gradient(
    closest-side,
    rgba(var(--accent), 0.20),
    rgba(var(--accent2), 0.10),
    transparent 65%
  );
  filter: blur(2px);
}

/* keep main content above glow */
.topbar, main, footer { position: relative; z-index: 1; }

/* --- (2) Scroll reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  filter: blur(6px);
  transition: opacity .55s ease, transform .55s ease, filter .55s ease;
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* --- (4) Noise texture overlay --- */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.06; /* subtle */
  mix-blend-mode: overlay;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  background-size: 220px 220px;
}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);

  background:
    radial-gradient(900px 500px at 15% 10%, rgba(var(--accent), .32), transparent 60%),
    radial-gradient(800px 500px at 85% 20%, rgba(255, 110, 170, .18), transparent 60%),
    radial-gradient(900px 600px at 40% 100%, rgba(var(--accent2), .16), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

/* Default focus ring (premium but subtle) */
:focus-visible{
  outline: 2px solid rgba(var(--accent), .55);
  outline-offset: 3px;
  border-radius: 12px;
}

/* ---- Layout ---- */

.wrap{
  width:min(1080px, calc(100% - 32px));
  margin:0 auto;
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(6,7,12,.55);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  transition: transform .18s ease, opacity .18s ease;
}
.brand:hover{ transform: translateY(-1px); }

.brand__dot{
  width:10px;height:10px;border-radius:50%;
  background: rgba(var(--accent), .85);
  box-shadow: 0 0 0 7px rgba(var(--accent), .12);
}
.brand__name{
  font-weight: 700;
  letter-spacing:.2px;
}

.nav{
  display:flex;
  gap:12px;
  align-items:center;
}

.nav a{
  text-decoration:none;
  color: var(--muted);
  padding:8px 10px;
  border-radius:999px;
  border:1px solid transparent;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.nav a:hover{
  color: var(--text);
  border-color: rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  transform: translateY(-1px);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  text-decoration:none;
  color: var(--text);
  background: rgba(255,255,255,.04);
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  will-change: transform;
}
.btn:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.16);
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}

.btn--primary{
  background: rgba(var(--accent), .22);
  border-color: rgba(var(--accent), .40);
}
.btn--primary:hover{
  background: rgba(var(--accent), .30);
  border-color: rgba(var(--accent), .55);
}
.btn--ghost{}

/* ---- HERO ---- */
.hero{
  display:grid;
  grid-template-columns: 1.35fr .95fr;
  gap: 18px;
  padding: 30px 0 18px;
}

.hero__title{
  font-size: clamp(38px, 5.6vw, 58px);
  letter-spacing: -0.03em;
  line-height: 1.03;
  margin: 0;
  animation: riseIn .55s ease both;
}

.hero__intro{
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.65;
  font-size: 16px;
  max-width: 64ch;
  animation: riseIn .65s ease both;
  animation-delay: .05s;
}

.hero__links{
  margin-top: 16px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  animation: riseIn .70s ease both;
  animation-delay: .10s;
}

.hero__meta{
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.08);
  display:grid;
  gap: 10px;
  animation: riseIn .75s ease both;
  animation-delay: .15s;
}

.metaRow{
  display:grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
}
.metaKey{ color: var(--muted2); font-size: 13px; }
.metaVal{ color: var(--muted); }

/* Premium panel/card */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.10);
  border-radius: var(--radius2);
  box-shadow: 0 20px 70px rgba(0,0,0,.55);
  padding: 16px;
  animation: riseIn .65s ease both;
  animation-delay: .10s;
  position: relative;
  overflow: hidden;
}

/* subtle “sheen” on cards */
.card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(900px 260px at 20% 0%, rgba(var(--accent), .18), transparent 55%),
    radial-gradient(700px 260px at 85% 10%, rgba(var(--accent2), .12), transparent 55%);
  pointer-events:none;
  opacity: .9;
}

.card > *{ position: relative; }

.card__top{
  display:flex;
  gap: 12px;
  align-items:center;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.avatar{
  width: 54px;
  height: 54px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  transition: transform .18s ease;
}
.card:hover .avatar{ transform: rotate(-2deg) scale(1.02); }

.card__name{ font-weight: 750; letter-spacing:.2px; }
.card__role{ color: var(--muted); font-size: 13px; margin-top: 3px; }

.card__facts{
  margin-top: 12px;
  display:grid;
  gap: 10px;
}
.fact{
  display:grid;
  grid-template-columns: 80px 1fr;
  gap: 10px;
}
.fact__k{
  color: var(--muted2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.fact__v{ color: var(--muted); }

.card__contact{
  margin-top: 14px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 12px;
  display:grid;
  gap: 8px;
}

.linkRow{
  text-decoration:none;
  display:grid;
  grid-template-columns: 70px 1fr;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.linkRow:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.16);
}
.linkRow__k{ color: var(--muted2); font-size: 13px; }
.linkRow__v{ color: var(--text); font-size: 13px; }

/* Stats */
.stats{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0 6px;
}

.stat{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 14px;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.stat:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.16);
}
.stat__value{
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.stat__label{
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

/* Sections */
.section{ padding: 26px 0 0; }
.section__head{ margin-bottom: 12px; }

.section__head h2{
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.section__head p{
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
  max-width: 72ch;
}

/* Projects grid */
.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.project{
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 14px;
  display:flex;
  flex-direction:column;
  min-height: 270px;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  will-change: transform;
}
.project:hover{
  transform: translateY(-3px);
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.16);
  box-shadow: 0 18px 60px rgba(0,0,0,.45);
}
.project h3{
  margin: 0;
  font-size: 16px;
}
.muted{
  color: var(--muted);
  line-height: 1.6;
  margin: 8px 0 0;
}

.bullets{
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.bullets li{ margin: 6px 0; }

.chips{
  margin-top: 12px;
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}
.chips--big .chip{ padding: 8px 12px; border-radius: 999px; }

.chip{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-size: 13px;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.chip:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.16);
}

.project__links{
  margin-top: auto;
  padding-top: 12px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.smallLink{
  text-decoration:none;
  color: var(--text);
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.smallLink:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.16);
}
.isDisabled{
  opacity: .45;
  pointer-events:none;
}

/* Contact card */
.contactCard{
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 16px;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.contactCard:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.16);
}

.contactCard__row{
  display:grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.contactCard__row:last-of-type{ border-bottom: none; }
.contactCard__k{ color: var(--muted2); font-size: 13px; }
.contactCard__v{ color: var(--text); text-decoration:none; }

.contactCard__cta{
  margin-top: 14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.section--last{ padding-bottom: 26px; }

/* Footer */
.footer{
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:center;
  color: var(--muted2);
  padding: 22px 0 32px;
}
.footer__sep{ opacity:.4; }

/* Entrance animation */
@keyframes riseIn{
  from { opacity: 0; transform: translateY(10px); filter: blur(6px); }
  to   { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation: none !important; transition: none !important; }
}

@media (max-width: 980px){
  .hero{ grid-template-columns: 1fr; }
  .stats{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid{ grid-template-columns: 1fr; }
  .topbar__cta{ display:none; }
}