/* ===== Base ===== */
:root{
  --bg: #0b1220;
  --bg2:#0f1a30;
  --card:#111c34;
  --text:#e8eefc;
  --muted:#a9b6d6;
  --line: rgba(255,255,255,.10);
  --accent:#7dd3fc;
  --accent2:#a78bfa;
  --shadow: 0 14px 40px rgba(0,0,0,.35);
  --radius: 20px;
}

:root[data-theme="light"]{
  --bg:#f7f9ff;
  --bg2:#eef2ff;
  --card:#ffffff;
  --text:#0b1220;
  --muted:#44506a;
  --line: rgba(10,15,25,.12);
  --shadow: 0 14px 40px rgba(10,15,25,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(125,211,252,.18), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(167,139,250,.14), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

a{color:inherit; text-decoration: none}
a:hover{opacity:.92}
code{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace}

.container{max-width:1100px; margin:0 auto; padding:0 20px}
.section{padding:64px 0}
.section--alt{background: linear-gradient(180deg, transparent, rgba(255,255,255,.04), transparent)}
.section__head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:18px
}
h1{font-size: clamp(32px, 4.2vw, 52px); line-height:1.08; margin:10px 0 10px}
h2{font-size: clamp(24px, 2.6vw, 34px); margin:0 0 6px}
h3{margin:0 0 10px}
p{margin: 0 0 12px}
.lead{font-size: 18px; color: var(--muted)}
.muted{color:var(--muted)}
.small{font-size: 13px}
.sr{position:absolute; left:-9999px}

/* ===== Skip link ===== */
.skip{
  position:absolute; left:-9999px; top:12px;
  background: var(--card); border:1px solid var(--line);
  padding:10px 12px; border-radius:12px; z-index:99;
}
.skip:focus{left:12px}

/* ===== Topbar ===== */
.topbar{
  position: sticky; top:0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.55);
  border-bottom: 1px solid var(--line);
}
:root[data-theme="light"] .topbar{background: rgba(247,249,255,.75)}
.topbar__inner{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 20px}

.brand{display:flex; align-items:center; gap:10px; font-weight:700}
.brand__mark{
  width:28px; height:28px; display:grid; place-items:center;
  border-radius:10px;
  background: linear-gradient(135deg, rgba(125,211,252,.25), rgba(167,139,250,.18));
  border:1px solid var(--line);
}

.nav{display:flex; gap:14px; flex-wrap:wrap}
.nav a{color:var(--muted)}
.nav a:hover{color:var(--text)}
.topbar__actions{display:flex; align-items:center; gap:10px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 14px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: linear-gradient(135deg, rgba(125,211,252,.18), rgba(167,139,250,.12));
  box-shadow: var(--shadow);
  cursor:pointer;
}
.btn--ghost{
  background: transparent;
  box-shadow:none;
}
.btn--small{padding:8px 12px; border-radius: 12px}
.btn:focus{outline: 3px solid rgba(125,211,252,.35); outline-offset: 2px}

/* Theme button: white text in dark theme */
:root:not([data-theme="light"]) #themeToggle {
  color: var(--text);
}

/* Select (filter) – dark theme readability */
:root:not([data-theme="light"]) select {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

:root:not([data-theme="light"]) select option {
  background-color: #0b1220; /* sama kuin --bg */
  color: var(--text);
}
:root:not([data-theme="light"]) select:focus {
  outline: 3px solid rgba(125, 211, 252, 0.35);
  outline-offset: 2px;
}

/* ===== Hero ===== */
.hero{padding: 46px 0 10px}
.hero__grid{
  display:grid;
  grid-template-columns: 1.35fr .9fr;
  gap:22px;
  align-items:start;
}
.badge{
  display:inline-flex; gap:10px; align-items:center;
  padding:8px 12px; border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  width: fit-content;
}
.hero__cta{display:flex; gap:12px; margin: 18px 0 10px; flex-wrap:wrap}
.divider{height:1px; background: var(--line); margin-top: 34px}

/* ===== Card ===== */
.card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
:root[data-theme="light"] .card{background: rgba(255,255,255,.8)}
.card__header{display:flex; gap:12px; align-items:center; padding:16px}
.card__body{padding: 0 16px 16px}
.card__footer{display:flex; gap:10px; padding: 14px 16px; border-top:1px solid var(--line); flex-wrap:wrap}
.avatar{
  width:54px; height:54px; border-radius:16px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
}
.title{font-weight:800}
.stats{display:grid; gap:10px; margin: 10px 0 0}
.stats div{display:flex; justify-content:space-between; gap:10px}
dt{color:var(--muted)}
dd{margin:0; font-weight:600}

/* ===== Chips ===== */
.chips{display:flex; flex-wrap:wrap; gap:8px; margin-top: 16px}
.chip{
  padding:7px 10px; border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 13px;
}

/* ===== Projects grid ===== */
/* Projects – controls */
.controls {
  display: grid;
  grid-template-columns: minmax(250px, 1.6fr) minmax(160px, 0.6fr);
  gap: 10px;
  flex-wrap:wrap
}
.field{display:grid; gap:6px}
input, select, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
}
:root[data-theme="light"] input,
:root[data-theme="light"] select,
:root[data-theme="light"] textarea{background: rgba(10,15,25,.03)}
.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top: 16px;
}
.project{
  padding: 16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
  transition: transform .12s ease;
  cursor: pointer;
}
.project:hover{
  transform: translateY(-2px)
}

.project:hover .project__image {
  transform: scale(1.02);
}

.project:focus-visible {
  outline: 3px solid rgba(125, 211, 252, 0.45);
  outline-offset: 2px;
}
.project__top{display:flex; align-items:flex-start; justify-content:space-between; gap:10px}
.project__title{font-weight:800; margin:0 0 6px}

/* Project preview image */
.project__image {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.2s ease;
}

/* Modal image grid (2 columns) */
.modal__images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

/* Modal images */
.modal__image {
  cursor: zoom-in;
  transition: transform 0.15s ease;
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
}
.modal__image:last-of-type {
  margin-bottom: 20px;
}
.modal__image:hover {
  transform: scale(1.02);
}
.tagrow{display:flex; gap:8px; flex-wrap:wrap; margin-top: 10px}
.tag{
  font-size: 12px;
  color: var(--muted);
  border:1px solid var(--line);
  padding:6px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}
.kbd{
  font-size:12px; color: var(--muted);
  border:1px solid var(--line);
  padding:4px 8px; border-radius: 10px;
}

/* ===== Skills / About ===== */
.skills{display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:14px}
.panel{
  padding: 16px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.panel ul{margin:0; padding-left: 18px; color: var(--muted)}
.about{display:grid; grid-template-columns: 1.1fr .9fr; gap: 18px; align-items:start}
.timeline{display:grid; gap:12px}
.timeline__item{
  display:grid; grid-template-columns: 18px 1fr; gap:12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: rgba(255,255,255,.03);
}
.dot{width:10px; height:10px; border-radius:999px; margin-top: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
}
.kicker{font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em}

/* ===== Contact ===== */
.contact{display:grid; grid-template-columns: .9fr 1.1fr; gap: 18px; align-items:start}
.form{display:grid; gap:10px}
.form__actions{display:flex; align-items:center; justify-content:space-between; gap: 12px; flex-wrap:wrap}

/* ===== Footer ===== */
.footer{padding: 30px 0 48px}
.footer__inner{display:flex; justify-content:space-between; gap: 10px; flex-wrap:wrap; border-top:1px solid var(--line); padding-top: 16px}

/* ===== Modal ===== */
.modal{
  border: none;
  padding: 0;
  background: transparent;
}
.modal::backdrop{background: rgba(0,0,0,.55)}
.modal__inner{
  margin: 7vh auto 0;
  max-width: 760px;
  width: min(92vw, 760px);
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--bg);
  box-shadow: var(--shadow);
  padding: 56px 16px 16px;
  position: relative;
}
.modal__close{position:absolute; right:14px; top:14px}
.modal h3{margin-top: 2px}
.modal .muted{margin-bottom: 10px}

/* Modal – text colors fix in dark theme */
:root:not([data-theme="light"]) .modal__inner {
  color: var(--text);
}

:root:not([data-theme="light"]) .modal__inner h3,
:root:not([data-theme="light"]) .modal__inner h4 {
  color: var(--text);
}
:root:not([data-theme="light"]) .modal__inner h3 {
  font-weight: 800;
}

:root:not([data-theme="light"]) .modal__inner p,
:root:not([data-theme="light"]) .modal__inner li {
  color: var(--muted);
}

:root:not([data-theme="light"]) .modal__inner .btn {
  color: var(--text);
}

:root:not([data-theme="light"]) .modal__inner .btn--ghost {
  color: var(--muted);
}

/* Contact form – Send button text color (dark theme only) */
:root:not([data-theme="light"]) .contact .btn {
  color: var(--muted);
}
:root:not([data-theme="light"]) .contact .btn:hover {
  color: var(--text);
}

/* Lightbox */
.lightbox {
  display: flex;
  flex-direction: column;
  align-items:center;
  place-items: center;
  border: none;
  padding: 16px;
  background: transparent;
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.75);
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.lightbox__close {
  color: #e8eefc;
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
  position: static; /* removes overlap */
  margin: 0 12px 12px 0; /* detached from the edge */
  align-self: flex-end;
  top: 16px;
  right: 16px;
  z-index: 2;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* Hide lightbox completely when not open */
#imageLightbox:not([open]) {
  display: none;
}

/* ===== Responsive ===== */
@media (max-width: 960px){
  .grid{grid-template-columns: repeat(2, minmax(0,1fr))}
  .about{grid-template-columns: 1fr 1fr}
  .contact{grid-template-columns: 1fr}
  .hero__grid{grid-template-columns: 1fr}
}

@media (max-width: 640px) {
  .grid{grid-template-columns: repeat(1, minmax(0,1fr))}
  .skills{grid-template-columns: 1fr}
  .about{grid-template-columns: 1fr}
  .contact{grid-template-columns: 1fr}
  .hero__grid{grid-template-columns: 1fr}
  .modal__images {grid-template-columns: 1fr;}
  .nav{display:none}
  .controls {grid-template-columns: 1fr;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .project{transition:none}
}