/* ============ Base ============ */
:root {
  --bg: #0b0b0e;
  --bg-soft: #101014;
  --text: #e9e9ec;
  --muted: #9a9aa3;
  --accent: #e9e9ec;
  --accent-soft: rgba(255, 255, 255, 0.1);
  --line: rgba(255, 255, 255, 0.08);
  --card: rgba(255, 255, 255, 0.03);
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-head: "Space Grotesk", var(--font-body);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--text); color: var(--bg); }

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

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

/* Custom cursor active: hide native cursor (JS adds this class on fine pointers only) */
body.has-cursor, body.has-cursor a, body.has-cursor button,
body.has-cursor input, body.has-cursor textarea, body.has-cursor label {
  cursor: none;
}

/* ============ Custom cursor ============ */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  border-radius: 50%;
  z-index: 9999;
  opacity: 0;
  /* Parked off-screen until the first mousemove */
  transform: translate(-100px, -100px) translate(-50%, -50%);
}
body.has-cursor .cursor-dot, body.has-cursor .cursor-ring { opacity: 1; }

.cursor-dot {
  width: 7px; height: 7px;
  background: #fff;
}

.cursor-ring {
  width: 34px; height: 34px;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  transition: width 0.25s ease, height 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.cursor-ring.is-hovering {
  width: 52px; height: 52px;
  border-color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
}

@media (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: 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 clamp(1.25rem, 5vw, 3.5rem);
  background: linear-gradient(to bottom, rgba(11, 11, 14, 0.9), rgba(11, 11, 14, 0));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav__logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}
.nav__logo-dot { color: var(--accent); }

.nav__links {
  display: flex;
  gap: 1.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.nav__links a { transition: color 0.2s ease; padding: 0.25rem 0; display: inline-block; }
.nav__links a:hover { color: var(--text); }

@media (max-width: 640px) {
  .nav__links { display: none; }
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 0 clamp(1.25rem, 6vw, 5rem);
  overflow: hidden;
}

/* Fixed overlay: GSAP drives it down the page on scroll (see hero3d.js).
   z-index -1 keeps the rings weaving behind text, never over it. */
#hero-canvas {
  position: fixed;
  top: 50%; right: clamp(-6rem, 2vw, 6rem);
  transform: translateY(-50%);
  width: min(46vw, 620px);
  height: min(46vw, 620px);
  pointer-events: none;
  z-index: -1;
}

/* Fallback gradient shown when 3D is disabled (mobile / reduced motion) */
.hero__glow {
  display: none;
  position: absolute;
  top: 8%; right: -18%;
  width: 70vw; height: 70vw;
  max-width: 560px; max-height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%,
    rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05) 45%, transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}
body.no-3d #hero-canvas { display: none; }
body.no-3d .hero__glow { display: block; }

.hero__inner { position: relative; max-width: 46rem; }

.hero__kicker {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero__name {
  position: relative;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(3.2rem, 11vw, 7.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

/* Particle heading (hero-text.js, fine pointers only): the canvas overlays
   the h1 with bleed for scattered dots; the real text stays in the DOM for
   layout and screen readers, just painted transparent. */
.hero__name-canvas {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.hero__name.has-particles {
  color: transparent;
  user-select: none;
}

.hero__line {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--muted);
  max-width: 34rem;
  margin-bottom: 2.5rem;
}

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

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: clamp(1.25rem, 6vw, 5rem);
  display: block;
  padding: 0.5rem;
}
.hero__scroll-line {
  display: block;
  width: 1.5px; height: 56px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.55); opacity: 0.5; }
}

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease,
              border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  will-change: transform;
}

.btn--primary {
  background: var(--text);
  color: var(--bg);
}
.btn--primary:hover {
  background: #fff;
  box-shadow: 0 0 26px rgba(255, 255, 255, 0.22);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  box-shadow: 0 0 26px rgba(255, 255, 255, 0.1);
}

/* ============ Sections ============ */
.section { padding: clamp(4.5rem, 10vw, 8rem) clamp(1.25rem, 6vw, 5rem); }

.section__inner { max-width: 68rem; margin: 0 auto; }

.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}

.section__num {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.section__lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 38rem;
  margin: calc(-1 * clamp(1rem, 3vw, 2rem)) 0 clamp(2rem, 5vw, 3.5rem);
}

/* ============ About ============ */
.about__side { display: grid; gap: 1rem; align-content: start; }

.about__portrait {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about__text p {
  color: var(--muted);
  font-size: 1.08rem;
  margin-bottom: 1.4rem;
}
.about__text strong { color: var(--text); font-weight: 600; }

.about__facts {
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  padding: 1.5rem;
  display: grid;
  gap: 1.1rem;
  font-size: 0.95rem;
}
.about__facts li { display: grid; gap: 0.15rem; }
.about__facts span {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 760px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__portrait { max-width: 22rem; }
}

/* ============ Timeline ============ */
.timeline {
  list-style: none;
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--accent), var(--line) 70%);
}

.timeline__item { position: relative; padding-bottom: 2.75rem; }
.timeline__item:last-child { padding-bottom: 0; }

.timeline__dot {
  position: absolute;
  left: -2rem; top: 6px;
  width: 13px; height: 13px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg);
}
.timeline__dot--done { background: var(--accent); }
.timeline__dot--now {
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
  animation: nowPulse 2.4s ease-in-out infinite;
}
@keyframes nowPulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--accent-soft); }
  50% { box-shadow: 0 0 0 9px rgba(255, 255, 255, 0.06); }
}

.timeline__date {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.2rem;
}
.timeline__title {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
}
.timeline__desc { color: var(--muted); max-width: 34rem; }

/* ============ Projects ============ */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  align-items: start;
}

@media (max-width: 760px) {
  .projects { grid-template-columns: 1fr; }
}

.project {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.2s ease, background-color 0.25s ease;
  will-change: transform;
}

/* Placeholder thumbnail: grey slab with the project's initials
   until a real screenshot exists */
.project__thumb {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.16);
}
/* Screenshot thumbs stay greyscale to hold the monochrome palette;
   hovering the card lets the project's real colors through. */
.project__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: filter 0.35s ease;
}

.project:hover { border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.045); }
.project:hover .project__thumb img { filter: grayscale(0); }

.project__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.6rem 1.8rem;
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.project__title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.project__oneliner { color: var(--muted); font-size: 0.97rem; }

.project__chevron {
  flex-shrink: 0;
  color: var(--accent);
  font-size: 1.1rem;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.project.is-open .project__chevron { transform: rotate(180deg); }

/* Smooth expand via grid-rows trick */
.project__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.project.is-open .project__body { grid-template-rows: 1fr; }

.project__body-inner {
  overflow: hidden;
  padding: 0 1.8rem;
  color: var(--muted);
}
.project.is-open .project__body-inner { padding-bottom: 1.75rem; }

.project__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.project__tags li {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
}

/* ============ Skills ============ */
.skills {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.skill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  padding: 1.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.95rem;
  transition: border-color 0.25s ease, transform 0.2s ease;
  will-change: transform;
}
.skill:hover { border-color: rgba(255, 255, 255, 0.3); }
.skill img { transition: transform 0.25s ease; }
.skill:hover img { transform: scale(1.12); }

.skill__icon--invert { filter: invert(1); }

/* ============ Contact ============ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact__lead { color: var(--muted); font-size: 1.08rem; margin-bottom: 2rem; }

.contact__link {
  display: block;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-head);
  font-weight: 500;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.contact__link:hover { color: var(--accent); border-color: var(--accent); }
.contact__link-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.contact__form { display: grid; gap: 1.1rem; }

.contact__form label { display: grid; gap: 0.4rem; }
.contact__form label span {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact__form input,
.contact__form textarea {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  padding: 0.85rem 1rem;
  transition: border-color 0.2s ease;
  resize: vertical;
}
.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.contact__form input::placeholder,
.contact__form textarea::placeholder { color: rgba(154, 154, 163, 0.5); }

.contact__form .btn { justify-self: start; }

.contact__status { font-size: 0.9rem; color: var(--muted); min-height: 1.3em; }
.contact__status.is-success { color: var(--text); }
.contact__status.is-error { color: var(--text); }

@media (max-width: 760px) {
  .contact__grid { grid-template-columns: 1fr; }
}

/* ============ Footer ============ */
.footer {
  padding: 2.5rem clamp(1.25rem, 6vw, 5rem);
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer .tooltip { color: var(--accent); }

.legal {
  margin-top: 1rem;
  display: inline-block;
  text-align: left;
}
.legal summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.legal summary:hover { color: var(--text); }
.legal__body {
  margin-top: 0.9rem;
  max-width: 32rem;
  font-size: 0.85rem;
  line-height: 1.6;
}
.legal__body p + p { margin-top: 0.75rem; }
.legal__body strong { color: var(--text); }

/* ============ Swiss flag (inline SVG — flag emoji doesn't render on Windows) ============ */
.flag-ch {
  display: inline-block;
  width: 1em; height: 1em;
  vertical-align: -0.12em;
}

/* ============ Tooltip easter egg ============ */
.tooltip {
  position: relative;
  cursor: help;
}
.tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: #1a1a20;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.8rem;
  font-family: var(--font-body);
  line-height: 1.4;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
}
.tooltip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============ Reveal (GSAP sets final state; this is the no-JS fallback) ============ */
.reveal { opacity: 1; }

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}