/* =========================================================
   Jurjen Ladenius — personal site
   Dark / nerd-techy theme. Black-and-blue, like the Camaro.
   ========================================================= */

:root {
  --bg:        #0a0c10;
  --bg-alt:    #0e1218;
  --panel:     #141a23;
  --panel-2:   #1a212c;
  --line:      #232c3a;
  --text:      #e6e9ef;
  --muted:     #8b95a7;
  --faint:     #5a6677;
  --accent:    #38bdf8;   /* electric blue  */
  --accent-2:  #22d3ee;   /* cyan           */
  --glow:      rgba(56,189,248,.35);
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1160px;
  --gutter: clamp(18px, 5vw, 56px);
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

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

/* Subtle grid backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(56,189,248,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  z-index: 0;
  pointer-events: none;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-2); }

img { display: block; max-width: 100%; }

strong { color: #fff; font-weight: 650; }

/* ===================== NAV ===================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(18px, 5vw, 56px);
  background: rgba(10,12,16,0);
  transition: background .3s, border-color .3s, padding .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10,12,16,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding-top: 10px; padding-bottom: 10px;
}
.nav__brand { display: flex; align-items: center; gap: 11px; color: var(--text); }
.nav__logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 1px;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--accent);
  box-shadow: 0 0 18px -6px var(--glow);
}
.nav__name { font-weight: 600; letter-spacing: .2px; font-size: 15px; }
.nav__links { display: flex; gap: clamp(14px, 2vw, 30px); }
.nav__links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  position: relative;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -5px;
  width: 0; height: 2px; background: var(--accent);
  transition: width .25s; border-radius: 2px;
}
.nav__links a:hover, .nav__links a.active { color: var(--text); }
.nav__links a.active::after { width: 100%; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 clamp(18px, 5vw, 56px);
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 30%;
  filter: grayscale(20%) contrast(1.05);
  transform: scale(1.05);
  z-index: 0;
}
.hero__scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(90deg, rgba(10,12,16,.95) 0%, rgba(10,12,16,.78) 42%, rgba(10,12,16,.35) 100%),
    linear-gradient(0deg, var(--bg) 2%, transparent 32%);
}
.hero__inner { position: relative; z-index: 2; max-width: 760px; }
.hero__kicker {
  font-family: var(--mono);
  color: var(--accent-2);
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 18px;
  text-shadow: 0 0 20px var(--glow);
}
.hero__title {
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -1.5px;
}
.hero__title span { color: var(--accent); }
.hero__role {
  font-family: var(--mono);
  font-size: clamp(1rem, 2.4vw, 1.4rem);
  color: var(--text);
  margin: 16px 0 22px;
  min-height: 1.6em;
}
.hero__role .cursor { color: var(--accent-2); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero__bio {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 30px;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero__scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 2; width: 26px; height: 42px;
  border: 2px solid var(--faint); border-radius: 14px;
}
.hero__scroll span {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; background: var(--accent); border-radius: 2px;
  animation: scrolldot 1.6s ease-in-out infinite;
}
@keyframes scrolldot { 0%,100% { opacity: 0; top: 8px; } 50% { opacity: 1; top: 20px; } }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .2px;
  transition: transform .15s, box-shadow .25s, background .25s, border-color .25s;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121b;
  box-shadow: 0 8px 28px -10px var(--glow);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px -8px var(--glow); color: #04121b; }
.btn--ghost { border-color: var(--line); color: var(--text); background: rgba(255,255,255,.02); }
.btn--ghost:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }

/* ===================== SECTIONS ===================== */
.section {
  position: relative; z-index: 1;
  width: min(var(--maxw), 100% - 2 * var(--gutter));
  margin-inline: auto;
  padding-block: clamp(64px, 11vw, 130px);
}
.section--alt {
  width: 100%; max-width: none;
  padding-inline: max(var(--gutter), (100% - var(--maxw)) / 2);
  background: var(--bg-alt);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}

.section__head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 30px; }
.section__index { font-family: var(--mono); color: var(--accent); font-size: 14px; letter-spacing: 2px; }
.section__title {
  font-size: clamp(1.8rem, 4.5vw, 2.9rem);
  font-weight: 750;
  letter-spacing: -.5px;
  position: relative;
}
.section__title::after {
  content: ""; position: absolute; left: 0; bottom: -10px;
  width: 54px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.section__lede { color: var(--muted); font-size: 1.08rem; max-width: 720px; margin-bottom: 34px; }
.subhead { margin-top: 56px; margin-bottom: 6px; font-size: 1.3rem; font-weight: 700; }

/* ===================== ABOUT ===================== */
.about { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.about__text p { color: var(--muted); margin-bottom: 16px; }
.about__text p strong { color: var(--text); }
.about__facts { list-style: none; margin-top: 26px; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.about__facts li { background: var(--panel); padding: 13px 18px; display: flex; justify-content: space-between; gap: 16px; font-size: 14px; }
.about__facts li span { color: var(--accent-2); font-family: var(--mono); font-size: 12.5px; letter-spacing: .5px; }
.about__media { position: relative; }
.about__media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); }
.about__media::before {
  content: ""; position: absolute; inset: -10px -10px 18px 18px;
  border: 1px solid var(--accent); border-radius: var(--radius); z-index: -1; opacity: .4;
}
.about__badge {
  position: absolute; bottom: 12px; left: 12px;
  background: rgba(10,12,16,.85); backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 7px 13px; font-family: var(--mono); font-size: 13px; font-weight: 700;
  color: var(--accent-2); letter-spacing: 1px;
}

/* ===================== SKILLS ===================== */
.skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.skills__group { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.skills__group h3 { font-size: 1rem; margin-bottom: 14px; color: var(--text); font-family: var(--mono); letter-spacing: .5px; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  font-size: 13px; padding: 6px 12px;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 999px; color: var(--muted); transition: .2s;
}
.chips li:hover { border-color: var(--accent); color: var(--text); box-shadow: 0 0 14px -6px var(--glow); }

/* ===================== CARDS (apps) ===================== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; transition: transform .2s, border-color .2s; }
.card:hover { transform: translateY(-4px); border-color: var(--accent); }
.card h4 { font-family: var(--mono); font-size: 1rem; margin-bottom: 8px; color: var(--accent-2); }
.card p { color: var(--muted); font-size: 14px; }

/* ===================== HOMELAB STACK ===================== */
.stack { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.stack__item {
  display: flex; align-items: center; gap: 14px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; transition: transform .2s, border-color .2s;
}
.stack__item:hover { transform: translateY(-4px); border-color: var(--accent); }
.stack__meta { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.stack__item strong { font-family: var(--mono); color: var(--accent-2); font-size: 1rem; }
.stack__item strong a { color: inherit; }
.stack__item strong a:hover { color: var(--text); }
.stack__meta > span { color: var(--muted); font-size: 13.5px; }

/* shared app/brand icons — monochrome masked silhouettes */
.stack__icon, .link__icon {
  width: 30px; height: 30px; flex: 0 0 30px;
  background-color: var(--muted);
  -webkit-mask: var(--i) center / contain no-repeat;
  mask: var(--i) center / contain no-repeat;
  transition: background-color .2s;
}
.stack__item:hover .stack__icon,
.link:hover .link__icon { background-color: var(--accent-2); }

/* ===================== CAMARO ===================== */
.section--camaro { position: relative; }
.section--camaro::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse at 80% 20%, rgba(56,189,248,.10), transparent 60%);
}
.camaro { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.camaro__media img {
  width: 100%; border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: 0 24px 60px -24px rgba(0,0,0,.7), 0 0 60px -30px var(--glow);
}
.camaro__lead { font-size: 1.2rem; color: var(--text); margin-bottom: 18px; }
.camaro__list { list-style: none; margin-bottom: 26px; }
.camaro__list li { color: var(--muted); padding: 7px 0 7px 24px; position: relative; }
.camaro__list li::before { content: "▸"; color: var(--accent); position: absolute; left: 0; }
.camaro__links { display: flex; gap: 12px; flex-wrap: wrap; }
.camaro__stat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.camaro__stat div {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 24px; text-align: center;
}
.camaro__stat strong { display: block; font-size: 2rem; color: var(--accent); font-family: var(--mono); line-height: 1; }
.camaro__stat span { color: var(--faint); font-size: 13px; letter-spacing: 1px; text-transform: uppercase; }

/* ===================== GALLERY ===================== */
.gallery { columns: 3; column-gap: 14px; }
.gallery__item {
  break-inside: avoid; margin-bottom: 14px; position: relative;
  border-radius: var(--radius); overflow: hidden; cursor: zoom-in;
  border: 1px solid var(--line);
}
.gallery__item img { width: 100%; transition: transform .5s ease, filter .4s; filter: saturate(.96); }
.gallery__item::after {
  content: attr(data-cap);
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 14px 12px; font-size: 13px; color: #fff;
  background: linear-gradient(0deg, rgba(7,9,13,.92), transparent);
  font-family: var(--mono);
  opacity: 0; transform: translateY(8px); transition: .3s;
}
.gallery__item:hover img { transform: scale(1.05); filter: saturate(1.08); }
.gallery__item:hover::after { opacity: 1; transform: translateY(0); }

/* ===================== CHARITY ===================== */
.charity { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.charity__media img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); }
.charity__text p { color: var(--muted); margin-bottom: 16px; }
.charity__text .btn { margin-top: 8px; }

/* ===================== INTERESTS ===================== */
.interests { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.interest { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; transition: transform .2s, border-color .2s; }
.interest:hover { transform: translateY(-4px); border-color: var(--accent); }
.interest h4 { font-family: var(--mono); color: var(--accent-2); margin-bottom: 8px; font-size: 1.05rem; }
.interest p { color: var(--muted); font-size: 14px; }

/* ===================== LINKS ===================== */
.links { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.link {
  display: flex; align-items: center; gap: 14px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; transition: transform .2s, border-color .2s;
}
.link:hover { transform: translateY(-4px); border-color: var(--accent); }
.link__meta { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.link__meta strong { font-family: var(--mono); color: var(--accent-2); font-size: 1rem; }
.link__meta > span { color: var(--muted); font-family: var(--mono); font-size: 13px; overflow-wrap: anywhere; }

/* ===================== FOOTER ===================== */
.footer {
  position: relative; z-index: 1;
  text-align: center; padding: 60px 20px 50px;
  border-top: 1px solid var(--line); background: var(--bg-alt);
  color: var(--faint); font-size: 14px;
}
.footer__sig { font-family: var(--mono); font-weight: 700; color: var(--accent); font-size: 20px; letter-spacing: 2px; margin-bottom: 10px; }
.footer__llap { color: var(--accent-2); margin-top: 8px; font-family: var(--mono); font-size: 13px; }

/* ===================== LIGHTBOX ===================== */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(5,7,10,.94); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox__fig { max-width: 90vw; max-height: 88vh; text-align: center; }
.lightbox__fig img { max-width: 90vw; max-height: 80vh; border-radius: 10px; border: 1px solid var(--line); }
.lightbox__fig figcaption { color: var(--muted); font-family: var(--mono); font-size: 13px; margin-top: 12px; }
.lightbox__close, .lightbox__nav {
  position: absolute; background: rgba(255,255,255,.06); border: 1px solid var(--line);
  color: #fff; cursor: pointer; border-radius: 10px; transition: .2s;
}
.lightbox__close { top: 20px; right: 22px; width: 44px; height: 44px; font-size: 26px; line-height: 1; }
.lightbox__nav { top: 50%; transform: translateY(-50%); width: 50px; height: 64px; font-size: 30px; }
.lightbox__nav--prev { left: 18px; }
.lightbox__nav--next { right: 18px; }
.lightbox__close:hover, .lightbox__nav:hover { background: var(--accent); color: #04121b; border-color: var(--accent); }

/* ===================== REVEAL ANIM ===================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .gallery { columns: 2; }
  .about, .camaro, .charity { grid-template-columns: 1fr; }
  .charity__media { order: -1; }
  .skills { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav__links {
    position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 320px);
    flex-direction: column; justify-content: center; gap: 26px;
    background: rgba(12,15,21,.97); backdrop-filter: blur(14px);
    border-left: 1px solid var(--line);
    transform: translateX(100%); transition: transform .35s ease; padding: 40px;
  }
  .nav__links.open { transform: translateX(0); }
  .nav__links a { font-size: 18px; }
  .nav__toggle { display: flex; z-index: 60; }
  .nav__name { display: none; }
}
@media (max-width: 500px) {
  .gallery { columns: 1; }
  .camaro__stat { grid-template-columns: repeat(3, 1fr); }
  .camaro__stat strong { font-size: 1.4rem; }
}