/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d0d0f;
  --bg-alt:    #121215;
  --surface:   #1a1a1f;
  --border:    #2a2a32;
  --accent:    #6c63ff;
  --accent-2:  #a78bfa;
  --text:      #e8e8f0;
  --muted:     #8888a0;
  --font:      'Inter', system-ui, -apple-system, sans-serif;
  --radius:    12px;
  --trans:     0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2.5rem;
  background: rgba(13, 13, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--trans);
}

.nav__logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-2);
}

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color var(--trans);
}

.nav__links a:hover { color: var(--text); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--trans);
  border: none;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}
.btn--primary:hover { background: #7c74ff; transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-2); }

.btn--full { width: 100%; text-align: center; }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  padding: 8rem 2.5rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero__content { flex: 1; max-width: 560px; }

.hero__eyebrow {
  font-size: 0.9rem;
  color: var(--accent-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.hero__name {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.hero__title {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 1.2rem;
}

.hero__bio {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero graphic */
.hero__graphic {
  position: relative;
  flex-shrink: 0;
  width: 240px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  z-index: 2;
  position: relative;
}

.hero__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
  animation: spin linear infinite;
}

.hero__ring--1 {
  width: 180px;
  height: 180px;
  border-top-color: var(--accent);
  animation-duration: 8s;
}

.hero__ring--2 {
  width: 240px;
  height: 240px;
  border-right-color: var(--accent-2);
  animation-duration: 14s;
  animation-direction: reverse;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Sections ────────────────────────────────────────────── */
.section { padding: 6rem 2.5rem; }
.section--alt { background: var(--bg-alt); }

.container { max-width: 1100px; margin: 0 auto; }
.container--narrow { max-width: 680px; margin: 0 auto; }

.section__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
  position: relative;
  display: inline-block;
}

.section__title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-top: 0.5rem;
}

/* ── About ───────────────────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__text p {
  color: var(--muted);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  text-align: center;
}

.stat__number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-2);
}

.stat__label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.2rem;
}

/* ── Projects ────────────────────────────────────────────── */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color var(--trans), transform var(--trans);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.card__icon {
  width: 40px;
  height: 40px;
  background: rgba(108, 99, 255, 0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-2);
  font-size: 0.9rem;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 600;
}

.card__desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-2);
  border-radius: 4px;
  border: 1px solid rgba(108, 99, 255, 0.2);
}

.card__link {
  font-size: 0.83rem;
  color: var(--accent-2);
  transition: color var(--trans);
  margin-top: 0.4rem;
}
.card__link:hover { color: #fff; }

/* ── Skills ──────────────────────────────────────────────── */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.skill-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
}

.skill-group__title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  margin-bottom: 1rem;
}

.skill-group__list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }

.skill-group__item {
  font-size: 0.9rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-group__item::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── Contact ─────────────────────────────────────────────── */
.contact__sub {
  color: var(--muted);
  margin-bottom: 2.5rem;
  text-align: center;
}

.contact__form { display: flex; flex-direction: column; gap: 1rem; }

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form__input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font);
  width: 100%;
  transition: border-color var(--trans);
  resize: vertical;
}

.form__input:focus {
  outline: none;
  border-color: var(--accent);
}

.form__input::placeholder { color: var(--muted); }

.contact__links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  margin-top: 2.5rem;
}

.contact__link {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color var(--trans);
}
.contact__link:hover { color: var(--accent-2); }

.contact__sep { color: var(--border); }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.5rem; }
  .nav__links { gap: 1.2rem; }
  .hero { flex-direction: column; padding-top: 7rem; text-align: center; }
  .hero__cta { justify-content: center; }
  .hero__graphic { width: 180px; height: 180px; }
  .hero__ring--2 { width: 180px; height: 180px; }
  .about__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form__row { grid-template-columns: 1fr; }
}