/* ========== Base / Reset ========== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
:focus-visible { outline: 2px solid rgba(255,255,255,.6); outline-offset: 3px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* ========== Theme ========== */
:root{
  --bg: #070A12;
  --panel: rgba(255,255,255,.08);
  --panel2: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.14);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --shadow: 0 12px 40px rgba(0,0,0,.35);
  --radius: 18px;

  --grad1: #7c3aed; /* violet */
  --grad2: #22c55e; /* green */
  --grad3: #06b6d4; /* cyan */
  --grad4: #f97316; /* orange */
}

[data-theme="light"]{
  --bg: #f6f7fb;
  --panel: rgba(255,255,255,.72);
  --panel2: rgba(255,255,255,.55);
  --stroke: rgba(15,23,42,.14);
  --text: rgba(15,23,42,.92);
  --muted: rgba(15,23,42,.68);
  --shadow: 0 16px 40px rgba(2,6,23,.12);
}

/* ========== Background blobs + noise ========== */
.bg { position: fixed; inset: 0; z-index: -2; overflow: hidden; }
.blob{
  position: absolute;
  width: 52vmax; height: 52vmax;
  border-radius: 999px;
  filter: blur(40px);
  opacity: .55;
  transform: translate3d(0,0,0);
  animation: float 14s ease-in-out infinite;
}
.b1{
  left: -18vmax; top: -18vmax;
  background: radial-gradient(circle at 30% 30%, var(--grad1), transparent 60%),
              radial-gradient(circle at 70% 60%, var(--grad3), transparent 55%);
}
.b2{
  right: -22vmax; top: 10vmax;
  background: radial-gradient(circle at 35% 35%, var(--grad2), transparent 60%),
              radial-gradient(circle at 70% 60%, var(--grad4), transparent 55%);
  animation-duration: 18s;
}
.b3{
  left: 10vmax; bottom: -26vmax;
  background: radial-gradient(circle at 35% 35%, var(--grad3), transparent 60%),
              radial-gradient(circle at 70% 60%, var(--grad1), transparent 55%);
  animation-duration: 22s;
}

@keyframes float{
  0%,100% { transform: translate3d(0,0,0) scale(1); }
  50% { transform: translate3d(2vmax,-1.2vmax,0) scale(1.05); }
}

.noise{
  position: absolute; inset: 0;
  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='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.20'/%3E%3C/svg%3E");
  opacity: .18;
  mix-blend-mode: overlay;
  z-index: -1;
}

/* ========== Layout helpers ========== */
.container{
  width: min(1100px, 92%);
  margin-inline: auto;
}

.section{ padding: 96px 0; }
@media (max-width: 720px){
  .section{ padding: 76px 0; }
}

.section__head{ margin-bottom: 28px; }
.section__title{
  font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2rem);
  margin: 0 0 8px;
}
.section__desc{ margin: 0; color: var(--muted); max-width: 68ch; }

.grid-2{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
}
@media (max-width: 900px){
  .grid-2{ grid-template-columns: 1fr; }
}

.glass{
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card{ padding: 18px; }
.card h3{ margin: 0 0 10px; }
.muted{ color: var(--muted); }
.strong{ font-weight: 700; }

/* ========== Header / Nav ========== */
.header{
  position: sticky; top: 14px;
  z-index: 50;
  margin: 14px auto 0;
  width: min(1100px, 92%);
}
.header__inner{
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px;
  gap: 12px;
}

.brand{ display: flex; align-items: center; gap: 10px; }
.brand__mark{
  width: 38px; height: 38px; border-radius: 14px;
  display: grid; place-items: center;
  font-weight: 800;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.25), transparent 55%),
              linear-gradient(135deg, rgba(124,58,237,.9), rgba(6,182,212,.8));
  border: 1px solid rgba(255,255,255,.18);
}
.brand__text{ font-weight: 700; letter-spacing: .2px; }
@media (max-width: 520px){
  .brand__text{ display: none; }
}

.nav{ display: flex; align-items: center; gap: 10px; }
.nav__toggle{
  display: none;
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: transparent;
  color: var(--text);
}
.hamburger{
  width: 18px; height: 2px;
  background: currentColor;
  display: inline-block;
  position: relative;
  border-radius: 99px;
}
.hamburger::before,
.hamburger::after{
  content:"";
  position: absolute; left: 0;
  width: 18px; height: 2px;
  background: currentColor;
  border-radius: 99px;
}
.hamburger::before{ top: -6px; }
.hamburger::after{ top: 6px; }

.nav__menu{
  list-style: none;
  display: flex; align-items: center;
  gap: 14px;
  padding: 0; margin: 0;
}
.nav__link{
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.nav__link:hover{
  color: var(--text);
  border-color: var(--stroke);
  background: rgba(255,255,255,.06);
}
.nav__link.is-active{
  color: var(--text);
  border-color: var(--stroke);
  background: rgba(255,255,255,.10);
}

.header__actions{ display: flex; gap: 10px; align-items: center; }

@media (max-width: 860px){
  .nav__toggle{ display: inline-grid; place-items: center; }
  .nav__menu{
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: min(320px, 92vw);
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    background: linear-gradient(180deg, var(--panel), var(--panel2));
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: .2s ease;
  }
  .nav__menu.is-open{
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav__link{ width: 100%; }
}

/* ========== Buttons / Tags ========== */
.btn{
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: transform .12s ease, background .12s ease;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.10); }
.btn:active{ transform: translateY(0); }

.btn--primary{
  border-color: rgba(255,255,255,.18);
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.25), transparent 55%),
    linear-gradient(135deg, rgba(124,58,237,.9), rgba(6,182,212,.85));
}
.btn--ghost{ background: rgba(255,255,255,.04); }
.btn--block{ width: 100%; }

.tag{
  display: inline-flex;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-size: .92rem;
}

/* ========== Hero ========== */
.hero{ padding-top: 70px; }
.hero__grid{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: start;
}
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
}

.pill{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  color: var(--muted);
  width: fit-content;
  margin-bottom: 16px;
}
.dot{
  width: 9px; height: 9px; border-radius: 99px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.55), transparent 55%),
              linear-gradient(135deg, var(--grad2), var(--grad3));
  box-shadow: 0 0 0 6px rgba(34,197,94,.12);
}

.hero__title{
  margin: 0 0 12px;
  font-size: clamp(2rem, 1.5rem + 2vw, 3.2rem);
  letter-spacing: -0.02em;
}
.hero__subtitle{ margin: 0 0 18px; color: var(--muted); max-width: 68ch; }
.hero__role{ white-space: nowrap; }

.grad{
  background: linear-gradient(90deg, var(--grad1), var(--grad3), var(--grad2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__cta{ display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 18px; }

.hero__stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 520px){
  .hero__stats{ grid-template-columns: 1fr; }
}
.stat{ padding: 14px; }
.stat__num{ font-weight: 800; font-size: 1.2rem; }
.stat__label{ color: var(--muted); font-size: .95rem; }

.profile{ padding: 18px; }
.profile__top{ display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
.avatar{
  width: 52px; height: 52px; border-radius: 18px;
  display: grid; place-items: center;
  font-weight: 900;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.3), transparent 60%),
              linear-gradient(135deg, rgba(34,197,94,.85), rgba(124,58,237,.85));
  border: 1px solid rgba(255,255,255,.18);
}
.profile__rows{ display: grid; gap: 10px; margin: 14px 0; }
.row{ display: flex; justify-content: space-between; gap: 12px; }
.label{ color: var(--muted); }
.value{ font-weight: 650; }

.profile__chips{ display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 16px; }
.chip{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-size: .92rem;
}

/* ========== Lists / Timeline ========== */
.bullets{ margin: 12px 0 0; padding-left: 18px; color: var(--muted); }
.bullets li{ margin: 8px 0; }

.timeline{ display: grid; gap: 12px; margin-top: 12px; }
.titem{ display: grid; grid-template-columns: 10px 1fr; gap: 12px; align-items: start; }
.tmark{
  width: 10px; height: 10px; border-radius: 99px;
  margin-top: 6px;
  background: linear-gradient(135deg, var(--grad1), var(--grad3));
  box-shadow: 0 0 0 6px rgba(124,58,237,.12);
}

/* ========== Skills / Services ========== */
.skills{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px){
  .skills{ grid-template-columns: 1fr; }
}
.tags{ display: flex; flex-wrap: wrap; gap: 10px; }

.services{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px){
  .services{ grid-template-columns: 1fr; }
}

/* ========== Projects ========== */
.filters{
  display: flex; flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 16px;
}
.filter{
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.05);
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
}
.filter:hover{ color: var(--text); background: rgba(255,255,255,.09); }
.filter.is-active{
  color: var(--text);
  background: rgba(255,255,255,.12);
}

.projects{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 900px){
  .projects{ grid-template-columns: 1fr; }
}

.pcard{ padding: 18px; display: grid; gap: 12px; }
.pcard__top{ display: flex; gap: 12px; align-items: center; }
.pcard__icon{
  width: 42px; height: 42px; border-radius: 16px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}
.pcard__title{ margin: 0; }
.pcard__meta{ display: flex; flex-wrap: wrap; gap: 8px; }
.pcard__actions{ display: flex; gap: 10px; flex-wrap: wrap; }

.pcard.is-hidden{ display: none; }

/* ========== Contact ========== */
.contact-list{ display: grid; gap: 10px; margin-top: 12px; }
.contact-item{
  display: flex; gap: 12px; align-items: center;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.05);
}
.contact-item:hover{ background: rgba(255,255,255,.09); }
.contact-icon{
  width: 40px; height: 40px; border-radius: 16px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}

.form{ display: grid; gap: 12px; }
.field{ display: grid; gap: 8px; }
.field input, .field textarea{
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 12px 12px;
}
.field input::placeholder, .field textarea::placeholder{ color: rgba(255,255,255,.55); }
[data-theme="light"] .field input::placeholder,
[data-theme="light"] .field textarea::placeholder{ color: rgba(15,23,42,.45); }

.form__note{ margin: 0; min-height: 1.2em; }

/* ========== Footer ========== */
.footer{ padding: 26px 0 40px; }
.footer__inner{
  display: flex; justify-content: space-between; align-items: center;
  gap: 10px;
}
@media (max-width: 520px){
  .footer__inner{ flex-direction: column; align-items: flex-start; }
}

/* ========== Reveal animations ========== */
.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

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