/* ===== Design tokens ===== */
:root {
  --bg: #0c0b09;
  --surface: #14120e;
  --ink: #ede8e0;
  --ink-dark: #171009;
  --muted: #8f897c;
  --line: rgba(237, 232, 224, 0.12);
  --accent: #ff5a1f;
  --green: #7ee787;
  --amber: #fbbf24;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --sans: "Space Grotesk", sans-serif;
  --serif: "Instrument Serif", serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--ink-dark); }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(237, 232, 224, 0.18); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

a { color: inherit; }
ul { list-style: none; }
.accent { color: var(--accent); }
.serif { font-family: var(--serif); font-style: italic; font-weight: 400; }
.serif i { font-style: italic; color: var(--accent); }

/* ===== Film grain ===== */
.grain {
  position: fixed;
  inset: -100%;
  z-index: 120;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 96px 96px;
  animation: grain 9s steps(10) infinite;
}
@media (max-width: 640px) {
  .grain { opacity: 0.015; background-size: 64px 64px; }
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-3%, 2%); }
  40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, -2%); }
  80% { transform: translate(3%, 3%); }
}

/* ===== Scroll progress ===== */
.progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 110;
}

/* ===== Custom cursor ===== */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  display: none;
}
.cursor-dot {
  width: 6px; height: 6px;
  margin: -3px 0 0 -3px;
  background: var(--accent);
}
.cursor-ring {
  width: 34px; height: 34px;
  margin: -17px 0 0 -17px;
  border: 1px solid rgba(237, 232, 224, 0.5);
  transition: width 0.3s var(--ease), height 0.3s var(--ease),
              margin 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.cursor-ring.active {
  width: 56px; height: 56px;
  margin: -28px 0 0 -28px;
  border-color: var(--accent);
  background: rgba(255, 90, 31, 0.08);
}
body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }
body.has-cursor .cursor-dot, body.has-cursor .cursor-ring { display: block; }

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.05rem 1.5rem;
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
}
.nav.scrolled {
  background: rgba(12, 11, 9, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav-logo {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(126, 231, 135, 0.7);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }
.nav-time { font-variant-numeric: tabular-nums; margin-left: 0.6rem; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}
.nav-burger span {
  width: 26px; height: 1.5px;
  background: var(--ink);
  display: block;
  transition: transform 0.35s var(--ease);
}
.nav-burger.open span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-burger.open span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* ===== Mobile menu ===== */
.menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(12, 11, 9, 0.96);
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3rem;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s var(--ease), visibility 0.45s;
}
.menu.open { opacity: 1; visibility: visible; }
.menu-links { display: flex; flex-direction: column; gap: 0.4rem; }
.menu-links a {
  font-size: clamp(2.4rem, 10vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  text-decoration: none;
  line-height: 1.15;
  transition: color 0.3s, transform 0.45s var(--ease);
  transform: translateY(24px);
  opacity: 0;
}
.menu.open .menu-links a { transform: none; opacity: 1; }
.menu-links a:nth-child(2) { transition-delay: 0.05s; }
.menu-links a:nth-child(3) { transition-delay: 0.1s; }
.menu-links a:nth-child(4) { transition-delay: 0.15s; }
.menu-links a:hover { color: var(--accent); }
.menu-mail { color: var(--muted); text-decoration: none; font-size: 0.95rem; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem 1.5rem 5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-glow {
  position: absolute;
  top: -20%; right: -10%;
  width: 55vw; height: 55vw;
  background: radial-gradient(circle, rgba(255, 90, 31, 0.14), transparent 65%);
  filter: blur(60px);
  pointer-events: none;
}
.hero-overline {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.hero-title {
  font-size: clamp(3.4rem, 11.5vw, 9.5rem);
  font-weight: 600;
  line-height: 0.96;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}
.hero-title .serif {
  text-transform: none;
  letter-spacing: -0.01em;
}
.line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.line-inner {
  display: inline-block;
  transition: transform 1.1s var(--ease);
}
.js .line-inner { transform: translateY(115%); }
.in .line-inner { transform: translateY(0); }
.line:nth-child(2) .line-inner { transition-delay: 0.12s; }

.hero-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2.5rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}
.hero-bio { color: var(--muted); max-width: 420px; }
.hero-cta { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.25s var(--ease), background 0.3s, color 0.3s, border-color 0.3s;
}
.btn-solid { background: var(--accent); color: var(--ink-dark); }
.btn-solid:hover { background: var(--ink); }
.btn-line { border: 1px solid var(--line); color: var(--ink); }
.btn-line:hover { border-color: var(--accent); color: var(--accent); }

.scroll-line {
  position: absolute;
  bottom: 0; left: 50%;
  width: 1px; height: 64px;
  background: var(--line);
  overflow: hidden;
}
.scroll-line span {
  position: absolute;
  top: -40%;
  left: 0;
  width: 100%; height: 40%;
  background: var(--accent);
  animation: drip 2.2s var(--ease) infinite;
}
@keyframes drip { to { top: 110%; } }

/* ===== Marquee ===== */
.marquee {
  width: 110vw;
  margin-left: -5vw;
  transform: rotate(-1.5deg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
  padding: 1.1rem 0;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 26s linear infinite;
}
.marquee-track span {
  white-space: nowrap;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.marquee-track i { color: var(--accent); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ===== Sections ===== */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 7.5rem) 1.5rem;
}
.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(2.2rem, 5vw, 3.5rem);
}
.section-index {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}
.section-label {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.section-count { margin-left: auto; color: var(--muted); font-size: 0.9rem; }

/* ===== About ===== */
.about-lead {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3.4vw, 2.5rem);
  line-height: 1.32;
  max-width: 880px;
}
.about-lead em { font-style: italic; color: var(--accent); }
.about-text {
  color: var(--muted);
  max-width: 620px;
  margin-top: 2rem;
}

/* ===== Work list ===== */
.work-list li { border-top: 1px solid var(--line); }
.work-list li:last-child { border-bottom: 1px solid var(--line); }
.work-row {
  position: relative;
  display: grid;
  grid-template-columns: 3.2rem 1fr auto 3rem;
  align-items: center;
  gap: 1.4rem;
  padding: 1.7rem 1.2rem;
  text-decoration: none;
  overflow: hidden;
}
.work-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.5s var(--ease);
}
.work-row > * { position: relative; z-index: 1; }
.work-row:hover::before { transform: scaleY(1); }
.work-num {
  color: var(--muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  transition: color 0.4s;
}
.work-main { display: flex; flex-direction: column; gap: 0.3rem; }
.work-title {
  font-size: clamp(1.35rem, 3vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: color 0.4s, transform 0.5s var(--ease);
}
.work-desc {
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 560px;
  transition: color 0.4s;
}
.work-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  text-align: right;
}
.work-tag {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.4s;
}
.work-status {
  display: inline-flex;
  align-items: center;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.4s;
}
.work-status i {
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-right: 0.45rem;
  display: inline-block;
}
.work-status.live i { background: var(--green); box-shadow: 0 0 8px rgba(126, 231, 135, 0.7); }
.work-status.wip i { background: var(--amber); }
.work-status.research i { background: var(--accent); }
.work-status.design i { background: var(--muted); }
.work-arrow {
  font-size: 1.3rem;
  text-align: right;
  transition: transform 0.45s var(--ease), color 0.4s;
}
.work-row:hover .work-title,
.work-row:hover .work-arrow { color: var(--ink-dark); }
.work-row:hover .work-num { color: rgba(23, 16, 9, 0.6); }
.work-row:hover .work-desc { color: rgba(23, 16, 9, 0.72); }
.work-row:hover .work-tag,
.work-row:hover .work-status { color: rgba(23, 16, 9, 0.65); }
.work-row:hover .work-status i { box-shadow: none; }
.work-row:hover .work-title { transform: translateX(6px); }
.work-row:hover .work-arrow { transform: translate(4px, -4px); }

/* ===== Capabilities ===== */
.cap-list li { border-top: 1px solid var(--line); }
.cap-list li:last-child { border-bottom: 1px solid var(--line); }
.cap-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.4fr) 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0.4rem;
  align-items: baseline;
}
.cap-key {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.cap-val { font-size: clamp(1.05rem, 2.2vw, 1.5rem); font-weight: 500; letter-spacing: -0.01em; }

/* ===== Education ===== */
.edu-degree { font-size: clamp(1.3rem, 2.8vw, 1.9rem); font-weight: 600; letter-spacing: -0.02em; }
.edu-school { color: var(--muted); margin-top: 0.5rem; }
.edu-meta { color: var(--accent); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.8rem; }

/* ===== Contact ===== */
.contact-title {
  font-size: clamp(2.8rem, 9.5vw, 7rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}
.contact-title .serif { text-transform: none; }
.contact-text { color: var(--muted); max-width: 480px; margin-top: 2rem; }
.contact-mail {
  display: inline-block;
  margin-top: 2rem;
  font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.4rem;
  transition: color 0.3s, border-color 0.3s, transform 0.25s var(--ease);
}
.contact-mail:hover { color: var(--accent); border-color: var(--accent); }
.contact-socials { display: flex; gap: 2.2rem; margin-top: 3rem; flex-wrap: wrap; }
.contact-socials a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.contact-socials a:hover { color: var(--accent); }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--line); overflow: hidden; }
.footer-big {
  font-size: clamp(4rem, 17vw, 15rem);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.02em;
  text-align: center;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(237, 232, 224, 0.2);
  user-select: none;
  padding-top: 2.5rem;
}
.footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.4rem 1.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.footer-bar span { font-variant-numeric: tabular-nums; }
.footer-bar a { text-decoration: none; transition: color 0.3s; }
.footer-bar a:hover { color: var(--accent); }

/* ===== Reveal on scroll ===== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
}
.js [data-reveal].in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .nav-links, .nav-status { display: none; }
  .nav-burger { display: flex; }
  .work-row { grid-template-columns: 1fr 2.2rem; padding: 1.5rem 0.6rem; }
  .work-num { display: none; }
  .work-meta {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}
@media (max-width: 560px) {
  .hero { padding-top: 6rem; }
  .hero-foot { margin-top: 2.5rem; }
  .cap-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .scroll-line { display: none; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal], .js .line-inner {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .marquee-track, .grain, .scroll-line span, .status-dot { animation: none; }
}