:root {
  --bg: #0b0c0e;
  --surface: #121418;
  --text: #e8eaee;
  --muted: #a9afbb;
  --primary: #7aa2ff;
  --primary-600: #5f8dff;
  --border: #20242c;
  --card: #151820;
  --success: #38b26b;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --surface: #f7f8fa;
    --text: #1a1c20;
    --muted: #5a6577;
    --primary: #2b66ff;
    --primary-600: #174fff;
    --border: #e6e8ee;
    --card: #ffffff;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 56px; /* reserve space for fixed header */
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus { left: 1rem; top: 1rem; width: auto; height: auto; background: var(--primary); color: #fff; padding: .5rem .75rem; border-radius: .5rem; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: rgba(18,20,24,.7);
  backdrop-filter: saturate(150%) blur(8px);
}
.nav { display: flex; gap: 1rem; align-items: center; justify-content: space-between; width: min(1100px, 92vw); margin: 0 auto; padding: .75rem 0; }
.logo { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .5px; }
.logo img { display: block; height: 44px; width: auto; }
.nav__list { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; }
.nav__list a { color: var(--text); text-decoration: none; padding: .5rem .75rem; border-radius: .4rem; }
.nav__list a:hover { background: rgba(43, 102, 255, 0.15); color: var(--primary); }
.nav__toggle { display: none; }

@media (max-width: 720px) {
  .nav__toggle { display: none; }
  .nav__list { 
    position: static; 
    right: auto; 
    top: auto; 
    background: transparent; 
    border: none !important; 
    border-radius: 0; 
    flex-direction: row; 
    padding: 0; 
    display: flex; 
    gap: .75rem; 
    box-shadow: none;
    outline: none;
  }
  .nav__list[data-open="true"] { display: flex; }
}

.hero { padding: clamp(3rem, 8vw, 7rem) 0 2rem; border-bottom: 1px solid var(--border); background: radial-gradient(1000px 600px at 20% -20%, rgba(122,162,255,.12), transparent 60%), radial-gradient(900px 600px at 90% 10%, rgba(38,199,130,.08), transparent 60%); }
.hero h1 { font-size: clamp(1.8rem, 5vw, 3rem); line-height: 1.2; margin: 0 0 .5rem; }
.subtitle { color: var(--muted); font-size: clamp(1rem, 2.5vw, 1.15rem); margin: 0 0 1rem; }
.hero__intro { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 1.25rem; }
.profile-pic { width: clamp(110px, 28vw, 260px); height: clamp(110px, 28vw, 260px); object-fit: cover; border-radius: 50%; border: 3px solid var(--border); background: var(--surface); }
.hero__text { min-width: 0; }
.cta { display: flex; gap: .75rem; margin: 1rem 0 1.25rem; }
.cred-list { display: grid; gap: .3rem; margin: 1rem 0 0; padding: 0; list-style: none; color: var(--muted); }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 0; padding: .7rem 1rem; border-radius: .6rem; border: 1px solid var(--border); color: var(--text); background: var(--surface); text-decoration: none; transition: transform .06s ease; }
.cv-btn { padding-left: .85rem; padding-right: 1rem; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--primary); border-color: transparent; color: #0b1220; font-weight: 600; }
.button.primary:hover { background: var(--primary-600); }
.button .icon { height: 1.4em; width: auto; display: block; margin-right: .25ch; }
.button .icon--sm { height: 1.1em; margin-right: .75ch; }
.button .icon--lg { height: 1.25em; margin-right: .35ch; }

.section { padding: 1rem 0; border-bottom: 1px solid var(--border); }
#about.section { background: var(--bg); }
#contact.section { background: var(--bg); }
.section__head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.section__desc { color: var(--muted); margin: 0; }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.card { grid-column: span 6; background: var(--card); border: 1px solid var(--border); border-radius: .9rem; overflow: hidden; }
@media (max-width: 920px) { .card { grid-column: span 12; } }
.card__link { color: inherit; text-decoration: none; display: grid; grid-template-rows: auto 1fr; height: 100%; }
.card__media { background: linear-gradient(135deg, rgba(122,162,255,.25), rgba(56,178,111,.25)); aspect-ratio: 16/9; border-bottom: 1px solid var(--border); background-size: contain; background-repeat: no-repeat; background-position: center; }
.card__body { padding: .9rem; display: grid; gap: .5rem; }
.card__title { margin: 0; font-size: 1.05rem; }
.card__summary { margin: 0; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; margin: .25rem 0 0; padding: 0; }
.tags li { font-size: .8rem; color: #A9AFBB; border: 1px dashed var(--border); background: #1a1c1e; padding: .15rem .45rem; border-radius: 999px; display: inline-flex; align-items: center; line-height: 1; }

/* Carousel */
.section--projects { padding: 1rem 0 0; background: var(--bg); }
.carousel { position: relative; width: 100vw; margin-left: calc(50% - 50vw); overflow: hidden; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg); }
.carousel__track { display: flex; gap: clamp(.5rem, 1.5vw, 1rem); padding: clamp(.75rem, 2vw, 1.5rem) clamp(35vw, 40vw, 400px); transition: transform .35s ease; will-change: transform; cursor: grab; }
.carousel__track:active { cursor: grabbing; }
.carousel__slide { flex: 0 0 clamp(20vw, 25vw, 250px); flex-shrink: 0; }
.carousel__slide .container { padding: 0; }
.carousel .card { grid-column: auto; max-width: 100%; }
.carousel .card__body { padding: .6rem; }
.carousel .card__title { font-size: 1rem; font-weight: 600; line-height: 1.3; }
.carousel .card__summary { font-size: .8rem; }
.carousel .card__summary { 
  line-height: 1.35; 
  display: -webkit-box; 
  line-clamp: 2; /* for linters/experimental */
  -webkit-line-clamp: 2; 
  -webkit-box-orient: vertical; 
  overflow: hidden; 
}
.carousel .card__media { aspect-ratio: 16/9; }
.carousel .tags li { font-size: .7rem; padding: .1rem .3rem; }
.carousel__btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(18,20,24,.6); border: 1px solid var(--border); color: var(--text); width: 44px; height: 44px; border-radius: 999px; display: grid; place-items: center; cursor: pointer; z-index: 3; }
.carousel__btn:hover { background: rgba(18,20,24,.8); }
.carousel__btn.prev { left: min(1rem, 3vw); }
.carousel__btn.next { right: min(1rem, 3vw); }
@media (max-width: 720px) {
  .carousel__btn { width: 38px; height: 38px; }
  .carousel__slide { flex-basis: 30vw; }
  .carousel .card__body { min-height: 120px; }
}
.carousel .card__link { height: auto; grid-template-rows: auto auto; }
.carousel .card__link { cursor: pointer; }

.about { display: grid; gap: 1rem; background: var(--bg); }
.about > p { margin: 0; }
.about__photos { display: flex; flex-wrap: nowrap; gap: .75rem; justify-content: flex-start; align-items: flex-start; overflow: visible; padding: 0; }
.about__photo { display: block; flex: 1 1 calc((100% - 2.25rem) / 4); width: auto; max-width: 320px; aspect-ratio: 3 / 2; height: auto; object-fit: cover; object-position: center; border-radius: 12px; margin: 0; image-rendering: auto; }
.pill-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }
.pill { border: 1px solid var(--border); background: var(--surface); padding: .35rem .6rem; border-radius: 999px; color: var(--muted); }

.contact { display: grid; gap: 0.5rem; background: var(--bg); }
.contact__actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.notion-btn { margin-left: 0; }
.cv-btn { margin-left: 0; }

.site-footer { padding: 0.5rem 0; border-top: none !important; background: var(--bg); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 0.5rem; border-top: none !important; }
.to-top { color: var(--muted); text-decoration: none; }
.to-top:hover { color: var(--text); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media (max-width: 720px) {
  .hero__intro { grid-template-columns: 1fr; }
}