/* Lokalni fontovi. Preuzeti sa Google Fonts, licenca SIL Open Font License 1.1,
   koja izricito dozvoljava samostalno hostovanje. Licence su u assets/fonts/.
   Lokalno, a ne sa Google servera: 2 zahteva umesto 10, bez blokiranja iscrtavanja
   i bez slanja IP adrese posetioca trecoj strani. */
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("assets/fonts/outfit-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Outfit';
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("assets/fonts/outfit-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("assets/fonts/space-grotesk-vietnamese.woff2") format("woff2");
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("assets/fonts/space-grotesk-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("assets/fonts/space-grotesk-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* ============================================================
   Nikola Minić – Interactive CV
   ============================================================ */

:root {
  --bg: #f6f7fb;
  --bg-soft: #ffffff;
  --bg-elev: #ffffff;
  --text: #15171c;
  --text-soft: #4a5160;
  /* #7b8395 je davao kontrast 3.55 na svetloj pozadini, ispod trazenih 4.5;
     pogadjalo je nazive poslodavaca i telefon. Ovo daje 5.3. */
  --text-faint: #5f6779;
  --border: rgba(20, 23, 28, 0.08);
  --border-strong: rgba(20, 23, 28, 0.14);
  --accent: #4f46e5;
  --accent-2: #7c3aed;
  --accent-3: #c026d3;
  --accent-grad: linear-gradient(120deg, #4f46e5 0%, #7c3aed 100%);
  --glow: rgba(79, 70, 229, 0.22);
  --card-shadow: 0 18px 40px -24px rgba(20, 23, 28, 0.35);
  --nav-bg: rgba(246, 247, 251, 0.72);
  --chip-bg: rgba(108, 92, 231, 0.08);
  --maxw: 1080px;
}

[data-theme="dark"] {
  --bg: #0a0b10;
  --bg-soft: #101218;
  --bg-elev: #14161f;
  --text: #eef0f6;
  --text-soft: #b3b9c9;
  --text-faint: #777f93;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --accent: #818cf8;
  --accent-2: #c084fc;
  --accent-3: #f0abfc;
  --accent-grad: linear-gradient(120deg, #818cf8 0%, #c084fc 100%);
  --glow: rgba(129, 140, 248, 0.32);
  --card-shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.8);
  --nav-bg: rgba(10, 11, 16, 0.62);
  --chip-bg: rgba(139, 123, 240, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

/* Zaglavlje je fiksirano preko sadrzaja, pa bi skrolovanje na sekciju sakrilo
   njen pocetak. Ovim se sekcija zaustavlja ispod zaglavlja, tako da se vidi i
   oznaka sekcije (npr. "01 · Profile"). */
:target { scroll-margin-top: 92px; }
section[id] { scroll-margin-top: 92px; }
@media (max-width: 560px) { section[id] { scroll-margin-top: 100px; } }

body {
  font-family: "Outfit", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ------------------------------------------------------------------
   Pravilo isticanja. Svaki stil ima tacno jedno znacenje:
     <strong>  bela, podebljana  -> merljiva velicina (broj), proverljiva cinjenica
     <em>      sareni preliv     -> ukrasni naglasak, iskljucivo u naslovu sekcije
     <cite>    kurziv            -> naslov dela (knjiga, teza)
     .pubs__award  bojena znacka -> priznanje koje je dodelio neko drugi
   Boja tako uvek znaci "tudje priznanje", a bela uvek "moj broj".
   ------------------------------------------------------------------ */
em { font-style: normal; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
strong { color: var(--text); font-weight: 700; }
cite { font-style: italic; color: var(--text); }

/* ---------- Ambient background ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.aurora span {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.30;
}
.aurora span:nth-child(1) { width: 46vw; height: 46vw; left: -10vw; top: -12vw; background: var(--accent); animation: drift1 28s ease-in-out infinite; }
.aurora span:nth-child(2) { width: 38vw; height: 38vw; right: -8vw; top: 14vh; background: var(--accent-2); animation: drift2 34s ease-in-out infinite; }
.aurora span:nth-child(3) { width: 42vw; height: 42vw; left: 24vw; bottom: -18vw; background: var(--accent-3); opacity: 0.18; animation: drift3 40s ease-in-out infinite; }
[data-theme="light"] .aurora span { opacity: 0.16; }
[data-theme="light"] .aurora span:nth-child(3) { opacity: 0.10; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(6vw,8vh) scale(1.08); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-7vw,6vh) scale(1.1); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(4vw,-8vh) scale(1.06); } }

main { position: relative; z-index: 1; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent-grad);
  z-index: 100;
  box-shadow: 0 0 12px var(--glow);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  background: var(--nav-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, padding 0.3s ease;
}
.nav.scrolled {
  border-bottom-color: var(--border);
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  box-shadow: 0 10px 30px -22px rgba(0,0,0,0.6);
}

.nav__brand { display: flex; align-items: center; gap: 0.65rem; font-weight: 700; }
.nav__brand-mark {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  /* bez ovoga ga flex stisne na 32px, pa kvadrat postane pravougaonik
     i slova unutra deluju necentrirano */
  flex: 0 0 36px;
  /* letter-spacing dodaje razmak i posle poslednjeg slova, pa ga ovim vracamo u sredinu */
  text-indent: 0.5px;
  /* slova u fontu sede oko 0.7px iznad sredine svog reda; ovim se opticki poravnaju */
  padding-top: 1.4px;
  border-radius: 10px;
  background: var(--accent-grad);
  color: #fff;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  box-shadow: 0 6px 18px -6px var(--glow);
  transition: opacity 0.35s ease, transform 0.35s ease, width 0.35s ease, margin 0.35s ease;
}
/* Profile avatar that slides in once the hero scrolls away */
.nav__avatar {
  width: 0; height: 36px;
  flex: 0 0 auto;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0;
  transform: scale(0.6);
  margin-left: -0.65rem;
  transition: width 0.4s cubic-bezier(.2,.7,.2,1), opacity 0.35s ease, transform 0.4s cubic-bezier(.2,.7,.2,1), margin 0.4s ease;
  box-shadow: 0 4px 14px -4px var(--glow);
}
.nav__brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav__name { font-size: 1.02rem; font-weight: 700; }
.nav__role {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.35s ease, margin 0.35s ease;
}
/* Condensed state: swap the NM badge for the round avatar + reveal the role line */
.nav.scrolled .nav__brand-mark { opacity: 0; width: 0; transform: scale(0.6); margin-left: -0.65rem; }
.nav.scrolled .nav__avatar { width: 36px; opacity: 1; transform: scale(1); margin-left: 0; }
/* Granica mora da primi i tri reda: na sirokom ekranu uloga stane u jedan red,
   oko 375px u dva, a na uskim telefonima (320px) u tri. Manja granica je secala
   tekst. Kad stane u manje redova, visina je svakako manja od granice. */
.nav.scrolled .nav__role { max-height: 4.2em; opacity: 1; margin-top: 1px; }

.nav__links { display: flex; gap: 0.3rem; }
.nav__links a {
  position: relative;
  padding: 0.45rem 0.85rem;
  font-size: 0.92rem;
  color: var(--text-soft);
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 4px;
  width: 0; height: 2px;
  background: var(--accent-grad);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.25s ease;
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after, .nav__links a.active::after { width: 50%; }
.nav__links a.active { color: var(--text); }

/* ---------- Izbor jezika ---------- */
.nav__actions { display: flex; align-items: center; gap: 0.5rem; }

.lang { position: relative; }
.lang__btn {
  display: flex; align-items: center; gap: 0.4rem;
  height: 44px; padding: 0 0.7rem;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text);
  font-family: inherit; font-size: 0.85rem; font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.lang__btn:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: 0 8px 22px -10px var(--glow); }
/* Zastavice su crtane kao SVG, ne emoji, jer Windows emoji zastavice
   prikazuje kao slova drzave. Ovako izgledaju isto na svim platformama. */
.lang__flag, .lang__btnflag svg {
  width: 21px; height: 14px;
  flex: 0 0 21px;
  border-radius: 2.5px;
  display: block;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.18), 0 1px 2px rgba(0,0,0,0.25);
}
/* Slova u fontu sede oko 0.9px iznad sredine svog reda, pa se zastavica pored
   naziva jezika cini spustenom. Ovim se opticki centri poklapaju.
   Vazi samo za meni; na dugmetu je poravnanje vec bilo tacno. */
.lang__menu .lang__flag { transform: translateY(-0.9px); }
.lang__btnflag .lang__flag { transform: none; }
[data-theme="dark"] .lang__flag,
[data-theme="dark"] .lang__btnflag svg { box-shadow: 0 0 0 1px rgba(255,255,255,0.22), 0 1px 3px rgba(0,0,0,0.5); }
.lang__btnflag { display: flex; flex: 0 0 auto; }
.lang__code { letter-spacing: 0.5px; min-width: 1.7em; text-align: left; }
.lang__caret { width: 13px; height: 13px; opacity: 0.6; transition: transform 0.3s cubic-bezier(.2,.7,.2,1); }
.lang.is-open .lang__caret { transform: rotate(180deg); }
.lang.is-open .lang__btn { border-color: var(--accent); }

.lang__menu {
  position: absolute;
  top: calc(100% + 0.5rem); right: 0;
  min-width: 190px;
  list-style: none;
  padding: 0.35rem;
  border-radius: 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  box-shadow: 0 24px 50px -20px rgba(0,0,0,0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.97);
  transform-origin: top right;
  transition: opacity 0.22s ease, transform 0.28s cubic-bezier(.2,.8,.2,1), visibility 0.22s;
  z-index: 95;
}
.lang.is-open .lang__menu { opacity: 1; visibility: visible; transform: none; }

.lang__menu li {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--text-soft);
  cursor: pointer;
  outline: none;
  /* stepenasto uletanje stavki dok se meni otvara */
  opacity: 0;
  transform: translateX(6px);
  transition: background 0.18s ease, color 0.18s ease, opacity 0.25s ease, transform 0.25s ease;
}
.lang.is-open .lang__menu li { opacity: 1; transform: none; }
.lang.is-open .lang__menu li:nth-child(1) { transition-delay: 0.03s; }
.lang.is-open .lang__menu li:nth-child(2) { transition-delay: 0.06s; }
.lang.is-open .lang__menu li:nth-child(3) { transition-delay: 0.09s; }
.lang.is-open .lang__menu li:nth-child(4) { transition-delay: 0.12s; }
.lang.is-open .lang__menu li:nth-child(5) { transition-delay: 0.15s; }
.lang__menu li:hover, .lang__menu li:focus-visible { background: var(--chip-bg); color: var(--text); }
.lang__menu li[aria-selected="true"] { color: var(--text); font-weight: 600; }
.lang__name { flex: 1; }
.lang__check {
  width: 15px; height: 15px; flex: 0 0 auto;
  color: var(--accent);
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.2s ease, transform 0.3s cubic-bezier(.3,1.4,.5,1);
}
.lang__menu li[aria-selected="true"] .lang__check { opacity: 1; transform: none; }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  position: relative;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.theme-toggle:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: 0 8px 22px -10px var(--glow); }
.theme-toggle__icon {
  position: absolute;
  width: 20px; height: 20px;
  transition: transform 0.5s cubic-bezier(.6,.2,.1,1), opacity 0.4s ease;
}
[data-theme="dark"] .theme-toggle__sun { transform: translateY(-32px) rotate(90deg); opacity: 0; }
[data-theme="dark"] .theme-toggle__moon { transform: translateY(0) rotate(0); opacity: 1; }
[data-theme="light"] .theme-toggle__sun { transform: translateY(0) rotate(0); opacity: 1; }
[data-theme="light"] .theme-toggle__moon { transform: translateY(32px) rotate(-90deg); opacity: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn--primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 14px 30px -12px var(--glow);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -12px var(--glow); }
.btn--ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
  background: transparent;
}
.btn--ghost:hover { transform: translateY(-3px); border-color: var(--accent); }

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 7rem clamp(1rem, 4vw, 3rem) 4rem;
  position: relative;
}
.hero__inner {
  max-width: var(--maxw);
  width: 100%;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero__photo-wrap { position: relative; width: 240px; height: 240px; justify-self: center; }
.hero__photo {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 28px;
  position: relative;
  z-index: 2;
  border: 1px solid var(--border-strong);
  filter: saturate(1.05);
}
.hero__photo-ring {
  position: absolute;
  inset: -10px;
  border-radius: 36px;
  background: var(--accent-grad);
  filter: blur(22px);
  opacity: 0.55;
  z-index: 1;
  animation: pulse 5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); opacity: .5; } 50% { transform: scale(1.06); opacity: .8; } }
.hero__eyebrow {
  font-family: "Space Grotesk", sans-serif;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.hero__name {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 0.4rem;
}
/* Slovo na ovoj velicini ima oko 4px sopstvenog razmaka sa leve strane, pa je ime
   izgledalo pomereno udesno u odnosu na redove iznad i ispod. Vazi SAMO na sirokim
   ekranima; na mobilnom je hero centriran, pa bi pomeranje razbilo centriranje. */
@media (min-width: 881px) {
  .hero__name { margin-left: -0.06em; }
}
.hero__title {
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  font-weight: 500;
  color: var(--text-soft);
  min-height: 1.8em;
  margin-bottom: 1.1rem;
}
.hero__title { color: var(--text-soft); font-weight: 500; }
.hero__title-sep { color: var(--accent); margin: 0 0.4rem; font-weight: 700; }
.hero__title-org { display: block; color: var(--accent); font-weight: 600; margin-top: 0.15rem; }

.hero__lede {
  max-width: 56ch;
  color: var(--text-soft);
  font-size: 1.04rem;
  margin-bottom: 1.6rem;
}
.hero__cta { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-bottom: 1.8rem; }

.hero__contacts { list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; }
.hero__contacts li, .hero__contacts a { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--text-soft); transition: color 0.2s ease; }
.hero__contacts a:hover { color: var(--accent); }
.hero__contacts .ico {
  display: grid; place-items: center;
  width: 26px; height: 26px;
  font-size: 0.72rem; font-weight: 700;
  border-radius: 8px;
  background: var(--chip-bg);
  color: var(--accent);
  flex: 0 0 26px;
}
.hero__contacts .ico svg { width: 15px; height: 15px; display: block; }

.hero__scroll {
  position: absolute;
  bottom: 1.6rem; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--border-strong);
  border-radius: 14px;
}
.hero__scroll span {
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrolldot 1.8s ease-in-out infinite;
}
@keyframes scrolldot { 0% { opacity: 0; transform: translate(-50%, 0); } 40% { opacity: 1; } 80% { opacity: 0; transform: translate(-50%, 14px); } }

/* ---------- Stats ---------- */
/* -0.25rem (a ne -1rem): tako je razmak od indikatora za skrolovanje do
   statistike isti kao na mobilnom, oko 50px */
.stats { padding: 0 clamp(1rem, 4vw, 3rem); margin: -0.25rem auto 2.6rem; max-width: var(--maxw); }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.stat {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.6rem 1.2rem;
  text-align: center;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.stat::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent-grad);
  opacity: 0;
  transition: opacity 0.3s ease;
  mix-blend-mode: overlay;
}
.stat:hover { transform: translateY(-6px); border-color: var(--accent); }
.stat:hover::before { opacity: 0.06; }
.stat__pre {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-faint);
  letter-spacing: 0.3px;
  margin-bottom: 0.35rem;
}
.stat__num {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__label { margin-top: 0.45rem; font-size: 0.85rem; color: var(--text-soft); letter-spacing: 0.3px; }

/* ---------- Sections ---------- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2.6rem clamp(1rem, 4vw, 3rem);
}
.section__head { margin-bottom: 1.8rem; }
/* napomena ispod naslova sekcije, npr. da ostali projekti stoje pod NDA */
.section__note {
  margin-top: 0.7rem;
  max-width: 62ch;
  font-size: 0.92rem;
  color: var(--text-faint);
  font-style: italic;
}
.section__kicker {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  font-weight: 600;
}
.section__title {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-top: 0.4rem;
  /* naslovi idu punom sirinom sekcije, da se ne prelamaju bez potrebe */
  max-width: none;
}

/* ---------- About ---------- */
.about__body { font-size: 1.1rem; color: var(--text-soft); max-width: none; }
.about__body p + p { margin-top: 0.9rem; }
.about__tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.6rem; }
.about__tags span {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 500;
}

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 2.2rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--accent), var(--accent-2), transparent);
  opacity: 0.5;
}
.tl { position: relative; margin-bottom: 1.4rem; }
.tl__dot {
  position: absolute;
  left: -2.2rem; top: 1.6rem;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px var(--glow);
  z-index: 2;
}
.tl__card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem 1.6rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.tl__card:hover { transform: translateX(6px); border-color: var(--accent); }
.tl__top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.tl__role { font-family: "Space Grotesk", sans-serif; font-size: 1.2rem; font-weight: 600; }
.tl__date {
  font-size: 0.8rem; font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--chip-bg);
}
.tl__org { color: var(--text-faint); font-size: 0.92rem; font-weight: 500; margin: 0.25rem 0 0.7rem; }
.tl__desc { color: var(--text-soft); font-size: 0.98rem; }
/* drugi pasus u istoj kartici (npr. druga uloga kod istog poslodavca) */
.tl__desc + .tl__desc { margin-top: 0.75rem; }

/* ---------- Cards (projects) ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.6rem;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.card::after {
  content: "";
  position: absolute;
  top: -40%; right: -40%;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: var(--accent-grad);
  filter: blur(40px);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.card:hover { transform: translateY(-6px); border-color: var(--accent); }
.card:hover::after { opacity: 0.25; }
.card__title { font-family: "Space Grotesk", sans-serif; font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; }
.card__desc { color: var(--text-soft); font-size: 0.94rem; margin-bottom: 1rem; }
.card__tag {
  display: inline-block;
  font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  color: var(--accent-2);
  background: var(--chip-bg);
  border: 1px solid var(--border-strong);
}

/* ---------- Education ---------- */
.edu { display: grid; gap: 1rem; }
.edu__item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1.4rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.4rem 1.6rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.edu__item:hover { transform: translateY(-4px); border-color: var(--accent); }
.edu__year {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem; font-weight: 700;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.edu__body h3 { font-family: "Space Grotesk", sans-serif; font-size: 1.12rem; font-weight: 600; }
.edu__school { color: var(--accent); font-size: 0.9rem; font-weight: 500; margin: 0.2rem 0 0.5rem; }
.edu__body p { color: var(--text-soft); font-size: 0.94rem; }

/* ---------- Skills ---------- */
.skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.skillgroup {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  transition: border-color 0.3s ease;
}
.skillgroup:hover { border-color: var(--accent); }
.skillgroup h3 { font-family: "Space Grotesk", sans-serif; font-size: 1.05rem; font-weight: 600; margin-bottom: 1rem; }
/* grupa preko cele sirine, za tekst umesto liste alata */
.skillgroup--wide { grid-column: 1 / -1; }
.skillgroup__prose { color: var(--text-soft); font-size: 0.95rem; }
.skillgroup__prose + .skillgroup__prose { margin-top: 0.6rem; }
.skillgroup__prose strong { color: var(--text); }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips span {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: 10px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
  color: var(--text-soft);
  transition: transform 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  cursor: default;
}
.chips span:hover { transform: translateY(-3px); color: var(--text); border-color: var(--accent); }

/* ---------- Beyond ---------- */
.beyond { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-bottom: 1.2rem; }
.beyond__col {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.6rem 1.7rem;
  box-shadow: var(--card-shadow);
}
.beyond__h { font-family: "Space Grotesk", sans-serif; font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }
.ticks { list-style: none; display: grid; gap: 0.7rem; }
.ticks li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--accent-grad);
  transform: rotate(45deg);
}
.ticks a { color: var(--accent); }

.pubs {
  /* isti razmak do sledeceg boksa kao izmedju ostalih (.beyond i .running) */
  margin-bottom: 1.2rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.7rem;
  box-shadow: var(--card-shadow);
}
.pubs__intro { color: var(--text-soft); margin-bottom: 1.2rem; max-width: 75ch; }
.pubs__list { list-style: none; display: grid; gap: 0.7rem; }
.pubs__list li { color: var(--text-soft); font-size: 0.93rem; padding-left: 0.2rem; }
.pubs__award {
  display: inline-block;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.4px;
  padding: 0.15rem 0.55rem;
  border-radius: 6px;
  margin-right: 0.5rem;
  color: var(--aw-text);
  background: var(--aw-bg);
  border: 1px solid var(--aw-border);
}

/* Zlato, srebro i posebna boja za nagradu mladom naucniku.
   Namerno NE bronza za trecu, jer bi delovalo kao trece mesto. */
.pubs__award--gold {
  --aw-text: #8a6a06;
  --aw-bg: linear-gradient(135deg, rgba(255,215,0,0.28), rgba(212,160,23,0.14));
  --aw-border: rgba(197,150,10,0.45);
}
.pubs__award--silver {
  --aw-text: #5b6774;
  --aw-bg: linear-gradient(135deg, rgba(203,213,225,0.42), rgba(148,163,184,0.18));
  --aw-border: rgba(120,135,150,0.45);
}
.pubs__award--young {
  --aw-text: #0f7a5f;
  --aw-bg: linear-gradient(135deg, rgba(16,185,129,0.26), rgba(5,150,105,0.12));
  --aw-border: rgba(16,185,129,0.45);
}
[data-theme="dark"] .pubs__award--gold {
  --aw-text: #f2c94c;
  --aw-bg: linear-gradient(135deg, rgba(255,199,0,0.22), rgba(255,199,0,0.07));
  --aw-border: rgba(255,199,0,0.4);
}
[data-theme="dark"] .pubs__award--silver {
  --aw-text: #dbe3ec;
  --aw-bg: linear-gradient(135deg, rgba(226,232,240,0.26), rgba(148,163,184,0.09));
  --aw-border: rgba(203,213,225,0.42);
}
[data-theme="dark"] .pubs__award--young {
  --aw-text: #4ade9f;
  --aw-bg: linear-gradient(135deg, rgba(16,185,129,0.26), rgba(16,185,129,0.08));
  --aw-border: rgba(52,211,153,0.42);
}

/* ---------- Running / live race charts ---------- */
.running {
  margin-bottom: 1.2rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.7rem;
  box-shadow: var(--card-shadow);
}
.running__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}
.running__head .beyond__h { margin-bottom: 0; }
.running__intro { color: var(--text-soft); font-size: 0.94rem; max-width: 60ch; margin-top: 0.2rem; }
.running__intro a { color: var(--accent); }
.running__sync {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-faint);
  background: var(--chip-bg);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.running__sync:hover { border-color: var(--accent); transform: translateY(-1px); }
.running__sync::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
}
.running__sync[data-state="loading"]::before { background: #f5a623; animation: blink 1.2s infinite; }
.running__sync[data-state="live"] { color: #2ecc71; }
.running__sync[data-state="live"]::before { background: #2ecc71; box-shadow: 0 0 8px #2ecc71; }
.running__sync[data-state="cache"] { color: #f5a623; }
.running__sync[data-state="cache"]::before { background: #f5a623; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.running__grid {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 2rem;
  align-items: center;
}
.running__hero {
  text-align: center;
  padding: 1.2rem;
  border-radius: 14px;
  background: var(--chip-bg);
  border: 1px solid var(--border);
}
.running__total {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.6rem, 8vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.running__total-label { color: var(--text-faint); font-size: 0.85rem; letter-spacing: 0.4px; margin-top: 0.3rem; }
.running__chips { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1rem; }
.running__pill {
  font-size: 0.82rem;
  color: var(--text-soft);
  padding: 0.4rem 0.7rem;
  border-radius: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
}
.running__pill strong { color: var(--accent); }

:root { --ring-track: rgba(20,23,28,0.09); }
[data-theme="dark"] { --ring-track: rgba(255,255,255,0.09); }

/* Single donut */
.donut-wrap { position: relative; width: 100%; max-width: 210px; margin: 0 auto; aspect-ratio: 1 / 1; }
.donut { width: 100%; height: 100%; transform: rotate(-90deg); }
.donut__track { fill: none; stroke: var(--ring-track); stroke-width: 20; }
.donut__seg {
  fill: none;
  stroke-width: 20;
  cursor: pointer;
  transition: stroke-dasharray 1.1s cubic-bezier(.2,.8,.2,1),
              opacity 0.25s ease, stroke-width 0.2s ease, filter 0.2s ease;
}
.donut__seg.is-dim { opacity: 0.16; }
.donut__seg.is-active { stroke-width: 28; filter: drop-shadow(0 0 10px var(--glow)) brightness(1.08); }
.donut__center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  pointer-events: none;
}
.donut__total {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 6vw, 2.7rem);
  font-weight: 700; line-height: 1;
  /* Neutralna boja teksta, a ne akcentni preliv: u preliv obojen broj je delovao
     kao da se odnosi na ljubicasti isecak grafika, a odnosi se na ukupan zbir. */
  color: var(--text);
}
.donut__total-label { font-size: 0.78rem; color: var(--text-faint); letter-spacing: 0.4px; margin-top: 0.25rem; }

/* Legend — two compact columns, value sits right after the label */
.legend { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.3rem 1.1rem; margin-bottom: 1.1rem; }
.legend__item {
  display: flex; align-items: center; gap: 0.55rem;
  font-size: 0.9rem;
  padding: 0.32rem 0.5rem;
  border-radius: 9px;
  cursor: pointer;
  outline: none;
  transition: background 0.2s ease, opacity 0.2s ease;
}
.legend__item:hover, .legend__item:focus-visible { background: var(--chip-bg); }
.legend__item.is-active { background: var(--chip-bg); }
.legend__item.is-dim { opacity: 0.38; }
.legend__dot { width: 11px; height: 11px; border-radius: 3px; flex: 0 0 auto; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.legend__item.is-active .legend__dot { transform: scale(1.35); box-shadow: 0 0 0 4px var(--chip-bg); }
.legend__label { color: var(--text-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.legend__val { margin-left: auto; font-family: "Space Grotesk", sans-serif; font-weight: 700; color: var(--text); white-space: nowrap; }
.legend__pct { color: var(--text-faint); font-weight: 500; margin-left: 0.4rem; font-size: 0.82em; }

/* Secondary metrics */
.running__metrics { display: flex; flex-wrap: wrap; gap: 0.5rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.metric {
  font-size: 0.84rem; color: var(--text-soft);
  white-space: nowrap;
  padding: 0.4rem 0.75rem; border-radius: 10px;
  background: var(--chip-bg); border: 1px solid var(--border);
}
.metric strong { color: var(--accent); font-weight: 700; }
.metric--elev { font-weight: 500; }

/* ---------- Footer ---------- */
.footer {
  position: relative;
  margin-top: 3rem;
  padding: 5rem clamp(1rem, 4vw, 3rem) 3rem;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
.footer__inner { max-width: 640px; margin: 0 auto; }
.footer__title { font-family: "Space Grotesk", sans-serif; font-size: clamp(1.8rem, 5vw, 2.8rem); font-weight: 700; letter-spacing: -1px; }
.footer__sub { color: var(--text-soft); margin: 0.6rem 0 1.6rem; }
/* drzi "across ... United States" u istom redu, da se recenica ne prelomi na predlogu */
.nowrap { white-space: nowrap; }
@media (max-width: 420px) { .nowrap { white-space: normal; } }
.footer__links { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.footer__meta {
  margin-top: 2rem;
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  align-items: center; justify-content: center;
  color: var(--text-faint); font-size: 0.85rem;
}
.footer__meta i { width: 4px; height: 4px; border-radius: 50%; background: var(--text-faint); opacity: 0.5; }
.footer__credit { margin-top: 1.6rem; font-size: 0.85rem; }
.footer__site { color: var(--accent); font-weight: 600; transition: opacity 0.2s ease; }
.footer__site:hover { opacity: 0.75; text-decoration: underline; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .nav__links { display: none; }
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__photo-wrap { margin-bottom: 1rem; }
  .hero__lede { margin-left: auto; margin-right: auto; }
  .hero__cta, .hero__contacts { justify-content: center; }
  .stats__grid { grid-template-columns: repeat(3, 1fr); }
  .cards { grid-template-columns: 1fr 1fr; }
  .skills, .beyond { grid-template-columns: 1fr; }
  .running__grid { grid-template-columns: 1fr; justify-items: center; gap: 1.6rem; }
  .running__side { width: 100%; max-width: 460px; }
}
@media (max-width: 560px) {
  .stats__grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .tl__top { flex-direction: column; gap: 0.3rem; }
  .edu__item { grid-template-columns: 1fr; gap: 0.4rem; }
  .legend { grid-template-columns: 1fr; }

  /* Na telefonu uloga ne staje u jedan red (treba joj oko 184px). Zastavica i
     dvoslovna oznaka ostaju, a zaglavlje se samo malo prosiri po visini da oba
     reda budu vidljiva. Razmaci su malo stegnuti da tekst dobije sirinu. */
  .nav { padding-left: 0.75rem; padding-right: 0.75rem; }
  .nav__brand { gap: 0.5rem; }
  .nav__actions { gap: 0.35rem; }
  .theme-toggle { width: 40px; height: 40px; }
  .lang__btn { height: 40px; padding: 0 0.5rem; gap: 0.35rem; }

  .nav__name { font-size: 0.95rem; line-height: 1.2; }
  .nav__role { font-size: 0.66rem; line-height: 1.3; }

  /* Indikator za skrolovanje je preklapao kontakte, jer je apsolutno pozicioniran
     a sadrzaj hero sekcije je na telefonu previsok. Zato na mobilnom ulazi u
     normalan tok, pa razmak iznad i ispod uvek postoji. */
  .hero { padding-bottom: 0.8rem; }
  .hero__scroll {
    /* relative, a ne static: tackica unutra je apsolutno pozicionirana pa bi joj
       se bez ovoga referenca pomerila na celu hero sekciju i oval bi ostao prazan */
    position: relative;
    bottom: auto; left: auto;
    transform: none;
    margin: 4.9rem 0 0;
    flex: 0 0 auto;
  }
  .stats { margin-top: 0.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}