:root {
  --bg: #0c0b10;
  --ink: #f3f1f7;
  --ink2: #9b97a6;
  --paper: #16151c;
  --line: #2a2833;
  --accent: #ff4d2e;
  --accent2: #f3f1f7;
  --font-display: "Instrument Sans", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --font-ui: "Instrument Sans", system-ui, sans-serif;
  --nav-pair: calc(48px + 0.6rem + 48px);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  overflow: hidden;
  height: 100dvh;
}
/* progress + nav */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  justify-content: center;
  padding: 1.1rem 5vw;
  color: var(--ink);
  background: rgba(12, 11, 16, 0.72);
  backdrop-filter: blur(12px);
}
.topbar-inner {
  width: 100%;
  max-width: 1180px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.04em;
}
.topnav {
  display: flex;
  gap: 1.4rem;
  margin-left: auto;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}
.talk-slot {
  flex-shrink: 0;
  width: var(--nav-pair);
  display: flex;
  justify-content: center;
}
.talk {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--bg);
  background: var(--ink);
  text-decoration: none;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  transition: transform 0.2s, opacity 0.2s;
}
.talk:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}
.topnav span {
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.2s;
}
.topnav span:hover {
  opacity: 0.85;
}
.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent);
  z-index: 60;
  width: 0;
}

.track {
  display: flex;
  height: 100dvh;
  will-change: transform;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.panel {
  min-width: 100vw;
  height: 100dvh;
  padding: 6rem 5vw 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}
.pnum {
  position: absolute;
  top: 5rem;
  right: 5vw;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink2);
  letter-spacing: 0.12em;
}
.eyebrow {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink2);
  margin-bottom: 1rem;
}

/* intro panel */
.intro-grid {
  width: 100%;
}
.kicker {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink2);
  margin-bottom: 1.2rem;
}
.intro h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  max-width: 14ch;
}
.intro h1 .stroke {
  -webkit-text-stroke: 0;
  color: inherit;
}
.intro .role {
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink2);
  margin-top: 1.25rem;
  max-width: 38ch;
}
.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.75rem;
}
.btn {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1.2rem;
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
  text-decoration: none;
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}
.intro .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink2);
  margin: 1.5rem 0 0;
}
.intro-work {
  display: none;
}
.feat {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 24px 24px 0 0;
  overflow: hidden;
}
.feat-kicker {
  display: block;
  padding: 1rem 1.2rem 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink2);
}
.feat-art {
  margin: 1rem 1.2rem;
  min-height: 180px;
  border-radius: 16px;
  background: #f4f2ee;
  color: #1a1512;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  letter-spacing: -0.04em;
  display: grid;
  place-items: center;
}
.feat-blurb {
  padding: 0 1.2rem 1.2rem;
  color: var(--ink2);
  font-size: 14px;
}
.feat-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: left;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 0;
  color: var(--ink);
  padding: 1rem 1.2rem;
  cursor: pointer;
  font-family: var(--font-ui);
}
.feat-row:hover {
  background: #1d1c24;
}
.feat-row:last-child {
  border-radius: 0 0 24px 24px;
}
.feat-row .nr {
  color: var(--ink2);
  font-size: 13px;
  width: 1.5rem;
}
.feat-row strong {
  display: block;
  font-size: 15px;
}
.feat-row small {
  display: block;
  color: var(--ink2);
  font-size: 13px;
}
.feat-row .yr {
  margin-left: auto;
  color: var(--ink2);
}
.intro .badge .d {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: p 1.6s infinite;
}
@keyframes p {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}
.scrollcue {
  position: absolute;
  bottom: 3rem;
  left: 5vw;
  font-family: var(--font-ui);
  font-size: 13px;
  font-style: italic;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink2);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.scrollcue .arw {
  animation: slide 1.4s infinite;
}
@keyframes slide {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(8px);
  }
}

@media (min-width: 960px) {
  .pnum {
    right: calc(max(5vw, (100vw - 1180px) / 2) + var(--nav-pair) / 2);
    transform: translateX(50%);
  }
  .panel {
    justify-content: center;
    align-items: center;
    padding: 7.5rem 5vw 4rem;
    overflow-y: auto;
  }
  .panel > :not(.pnum) {
    width: 100%;
    max-width: 960px;
  }
  .panel.intro {
    overflow: hidden;
  }
  .intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
    gap: 2.5rem;
    align-items: center;
    max-width: 960px;
    margin-inline: auto;
  }
  .intro-work {
    display: block;
  }
  .scrollcue {
    display: none;
  }
  .exp-row {
    justify-content: center;
  }
  .stack-flow {
    max-width: 960px;
    margin-inline: auto;
  }
}

.ptitle {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 58px);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

/* expertise */
.exp-row {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.exp-card {
  flex: 1;
  min-width: 240px;
  max-width: 340px;
  border-top: 2px solid var(--ink);
  padding-top: 1.5rem;
}
.exp-card .n {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--accent);
}
.exp-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 0.6rem 0 0.8rem;
}
.exp-card p {
  font-size: 16px;
  color: var(--ink2);
  line-height: 1.55;
}
.into-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}
.into-tags span {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--ink2);
  background: var(--paper);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

/* stack */
.stack-flow {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  max-width: 780px;
}
.stack-group {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.stack-group .glabel {
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-weight: 600;
  padding-top: 0.5rem;
}
.stack-group .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.chip {
  font-family: var(--font-ui);
  font-size: 14px;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--paper);
  transition: 0.25s;
}
.chip:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.chip.hi {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
@media (max-width: 700px) {
  .stack-group {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }
  .stack-group .glabel {
    padding-top: 0;
    color: var(--accent);
  }
}

/* projects panel: horizontal cards */
.proj-strip {
  display: flex;
  gap: 2rem;
  overflow: visible;
}
.proj-card {
  min-width: 340px;
  max-width: 380px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: 0.3s;
}
.proj-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}
.proj-card .ph {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.proj-card h3 {
  font-family: var(--font-display);
  font-size: 28px;
}
.proj-card p {
  font-size: 16px;
  color: var(--ink2);
  line-height: 1.55;
  flex: 1;
}
.proj-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}
.proj-card .tags span {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--ink2);
  background: var(--bg);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}
.proj-card a.visit {
  margin-top: 1rem;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
@media (min-width: 960px) {
  .proj-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    max-width: 960px;
    margin-inline: auto;
  }
  .proj-card {
    min-width: 0;
    max-width: none;
    padding: 1.35rem 1.4rem;
  }
  .proj-card h3 {
    font-size: 22px;
  }
  .proj-card p {
    font-size: 15px;
  }
  .htl {
    flex-wrap: wrap;
    max-width: 960px;
    margin-inline: auto;
  }
  .htl .step {
    flex: 1 1 180px;
  }
}

/* experience: horizontal timeline */
.htl {
  display: flex;
  gap: 0;
  align-items: stretch;
  border-top: 2px solid var(--ink);
}
.htl .step {
  flex: 1;
  min-width: 200px;
  padding: 1.5rem 1.5rem 0 0;
  position: relative;
}
.htl .step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}
.htl .per {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--accent);
}
.htl .rol {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  margin: 0.5rem 0 0.2rem;
}
.htl .co {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--ink2);
}
.htl .dsc {
  font-size: 15px;
  color: var(--ink2);
  margin-top: 0.6rem;
  line-height: 1.5;
}

/* contact */
.contact {
  background: var(--paper);
  color: var(--ink);
}
.contact .eyebrow {
  color: var(--ink2);
}
.contact h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 80px);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 2rem;
}
.clinks {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.clink {
  font-family: var(--font-ui);
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  transition: 0.25s;
}
.clink:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.clink.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.navbtns {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 55;
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  width: min(1180px, calc(100vw - 10vw));
}
.navbtns button {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 18px;
  cursor: pointer;
  transition: 0.2s;
}
.navbtns button:hover:not(:disabled) {
  background: var(--ink);
  color: var(--bg);
}
.navbtns button:disabled {
  opacity: 0.3;
  cursor: default;
}

/* swipe dots (mobile only) */
.dots {
  display: none;
}
@media (max-width: 700px) {
  .dots {
    display: flex;
    gap: 0.6rem;
    position: fixed;
    z-index: 55;
    bottom: 1.4rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0.8rem;
    border-radius: 30px;
    background: rgba(22, 21, 28, 0.88);
    backdrop-filter: blur(8px);
    border: 1px solid var(--line);
  }
  .dots button {
    width: 8px;
    height: 8px;
    padding: 0;
    border-radius: 50%;
    border: none;
    background: rgba(243, 241, 247, 0.28);
    cursor: pointer;
    transition:
      width 0.3s,
      background 0.3s;
  }
  .dots button.on {
    width: 22px;
    border-radius: 5px;
    background: var(--accent);
  }
}

@media (max-width: 700px) {
  /* keep horizontal swipe — native scroll-snap instead of wheel hijack */
  body {
    overflow: hidden;
    height: 100dvh;
  }
  .track {
    display: flex;
    height: 100dvh;
    transform: none !important;
    transition: none;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .track::-webkit-scrollbar {
    display: none;
  }
  .panel {
    min-width: 100vw;
    width: 100vw;
    height: 100dvh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    flex-shrink: 0;
    padding: 4.5rem 7vw 4.5rem;
    justify-content: flex-start;
    overflow-y: auto; /* tall panels scroll vertically inside */
    -webkit-overflow-scrolling: touch;
  }
  .pnum {
    position: static;
    display: block;
    text-align: right;
    margin-bottom: 1rem;
  }
  .exp-row,
  .proj-strip,
  .htl {
    flex-direction: column;
  }
  .exp-card,
  .proj-card {
    max-width: none;
    min-width: 0;
  }
  .htl {
    border-top: none;
  }
  .htl .step {
    border-top: 2px solid var(--ink);
    padding-top: 1.2rem;
    min-width: 0;
  }
  .htl .step::before {
    top: -7px;
  }
  /* desktop-only chrome hidden on mobile */
  .navbtns,
  .topnav {
    display: none;
  }
  .progress {
    display: block;
  } /* progress bar still tracks position */
  .topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem 7vw;
    color: var(--ink);
    background: rgba(12, 11, 16, 0.88);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  .topbar-inner {
    max-width: none;
  }
  .talk-slot {
    display: none;
  }
  .intro {
    justify-content: center;
  }
  .intro h1 {
    letter-spacing: -0.05em;
    max-width: none;
  }
  .scrollcue {
    bottom: 4.5rem;
  }
  .scrollcue .arw {
    display: inline-block;
    animation: slide 1.4s infinite;
  }
  .ptitle {
    font-size: clamp(28px, 8.5vw, 44px);
    margin-bottom: 1.5rem;
  }
  .contact h2 {
    font-size: clamp(38px, 12vw, 64px);
  }
  .stack-flow {
    gap: 1.3rem;
  }
  .reveal-m {
    opacity: 0;
    transform: translateY(20px);
    transition:
      opacity 0.5s,
      transform 0.5s;
  }
  .reveal-m.in {
    opacity: 1;
    transform: none;
  }
}

.lead {
  margin-bottom: 2rem;
  color: var(--ink2);
  font-size: 1.15rem;
  line-height: 1.5;
  max-width: 46ch;
}
.contact .lead {
  color: var(--ink2);
}