/* ══════════════════════════════════════════
   Sofia Smithova — Portfolio
   ══════════════════════════════════════════ */

/* ── TOKENS ───────────────────────────────── */
:root {
  --bg:        #06080f;
  --ink:       #F0EDE6;
  --ink-dim:   rgba(240, 237, 230, 0.92);
  --blood:     #B8243E;
  --blood-raw: 184, 36, 62;
  --ink-raw:   240, 237, 230;
  --border:    rgba(240, 237, 230, 0.07);

  --f-serif: 'Cormorant Garamond', Georgia, serif;
  --f-sans:  'Jost', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --px:   clamp(1.5rem, 6vw, 7rem);
  --py:   clamp(4rem, 9vw, 9rem);
}

/* ── RESET ────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
em { font-style: italic; }

/* ── SCROLLBAR ────────────────────────────── */
::-webkit-scrollbar { width: 2px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(var(--blood-raw), 0.35); }

/* ── NOISE ───────────────────────────────── */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: .028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── CURSOR ──────────────────────────────── */
.cursor {
  position: fixed;
  width: 38px; height: 38px;
  border: 1px solid rgba(var(--ink-raw), 0.32);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: border-color .25s, background .25s, width .25s, height .25s;
  mix-blend-mode: difference;
}
.cursor-dot {
  position: fixed;
  width: 5px; height: 5px;
  background: var(--ink);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: background .25s;
}
body.cursor-hover .cursor {
  width: 60px; height: 60px;
  border-color: rgba(var(--blood-raw), 0.55);
  background: rgba(var(--blood-raw), 0.05);
}
body.cursor-hover .cursor-dot { background: var(--blood); }

@media (hover: none) {
  .cursor, .cursor-dot { display: none; }
  body { cursor: auto; }
  a, button { cursor: pointer; }
}

/* ── LABEL ───────────────────────────────── */
.label {
  font-family: var(--f-sans);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(var(--blood-raw), 0.85);
}

/* ── NAV ─────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem var(--px);
  border-bottom: 1px solid transparent;
  transition: background .5s var(--ease), border-color .5s, backdrop-filter .5s;
}
#nav.scrolled {
  background: rgba(6, 8, 15, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--f-sans);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  transition: color .3s;
}
.nav-logo:hover { color: var(--ink); }
.nav-links {
  display: flex;
  gap: 2.5rem;
  font-family: var(--f-sans);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.nav-links a {
  color: var(--ink-dim);
  transition: color .3s;
}
.nav-links a:hover {
  color: var(--ink);
}

/* ── HERO ────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem var(--px) 6rem;
}
#hero-c {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.hero-content .label {
  display: block;
  margin-bottom: clamp(2rem, 4vw, 3.2rem);
}
.hero-heading {
  font-family: var(--f-sans);
  font-size: clamp(1rem, 1.6vw, 1.5rem);
  font-weight: 300;
  font-style: normal;
  line-height: 1.8;
  letter-spacing: 0.06em;
  color: rgba(var(--ink-raw), 0.82);
  margin-left: clamp(1.5rem, 4vw, 5rem);
  margin-bottom: clamp(1rem, 2vw, 1.6rem);
}
.hero-sub {
  font-family: var(--f-sans);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.60);
  margin-left: clamp(3rem, 8vw, 10rem);
  line-height: 2.0;
}
.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}
.scroll-label {
  font-family: var(--f-sans);
  font-size: 0.5rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.35);
  margin-bottom: 0.2rem;
}
.scroll-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ink);
  animation: dotDrop 2.8s ease-in-out infinite;
}
.scroll-dot:nth-child(1) { animation-delay: 0s; }
.scroll-dot:nth-child(2) { animation-delay: 0.28s; }
.scroll-dot:nth-child(3) { animation-delay: 0.56s; }
@keyframes dotDrop {
  0%, 100% { opacity: 0.10; transform: translateY(-1px); }
  50%       { opacity: 0.35; transform: translateY(1px); }
}

/* ── WORK ────────────────────────────────── */
.work {
  padding: var(--py) var(--px);
}
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  max-width: 1020px;
  margin-left: auto;
  margin-right: auto;
}

.proj-wrap {
  display: flex;
  align-items: flex-start;
  gap: 1.6rem;
  /* skip paint/layout for off-screen projects */
  content-visibility: auto;
  contain-intrinsic-size: 0 700px;
}
.proj-side {
  width: 11rem;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
  padding-top: 0.5rem;
}
.proj-wrap .proj-num {
  display: block;
  text-align: right;
}
.proj-achieve {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: right;
}
.proj-achieve li {
  font-family: var(--f-sans);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.60);
  white-space: nowrap;
}
.proj-achieve-highlight {
  color: var(--blood) !important;
  font-weight: 400 !important;
}

/* proj-side meta — hidden on desktop, shown on mobile next to number */
.proj-side-meta { display: none; }
.proj-side-name {
  font-family: var(--f-serif);
  font-weight: 400;
  font-style: italic;
  color: var(--ink);
  line-height: 1.1;
}
.proj-side-cat {
  font-family: var(--f-sans);
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(var(--blood-raw), 0.85);
}
.proj-side-date {
  font-family: var(--f-sans);
  font-size: 0.48rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  color: rgba(var(--ink-raw), 0.58);
}

.proj-wrap .project {
  flex: 1;
  min-width: 0;
}

/* ── PROJECT BLOCK ───────────────────────── */
.project {
  position: relative;
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 70vh;
  overflow-x: scroll;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  border-radius: 16px;
  border: 1px solid rgba(var(--ink-raw), 0.08);
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(var(--blood-raw), 0.04);
}
.project::-webkit-scrollbar { display: none; }

.proj-right {
  flex: 0 0 100%;
  height: 100%;
  scroll-snap-align: start;
  position: relative;
}

.proj-right .proj-frame {
  width: 100%;
  height: 100%;
  aspect-ratio: unset;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

.proj-right .iframe-wrap {
  border-radius: 0;
}

.proj-left {
  flex: 0 0 100%;
  height: 100%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border-left: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.proj-left-inner {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: none;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  padding: 3rem 3rem 5rem;
}
.proj-left-inner::-webkit-scrollbar { display: none; }
.proj-left a, .proj-left button { pointer-events: none; }
.proj-left .proj-back-btn { pointer-events: auto; }

/* Back button on details panel */
.proj-back-btn {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.2rem 0.65rem 1rem;
  background: rgba(var(--blood-raw), 0.20);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(var(--blood-raw), 0.60);
  border-radius: 100px;
  color: rgba(240, 237, 230, 0.95);
  font-family: var(--f-sans);
  font-size: 0.56rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: none;
  z-index: 10;
  transition: background .3s, border-color .3s, box-shadow .3s;
  box-shadow: 0 0 18px rgba(var(--blood-raw), 0.18), inset 0 1px 0 rgba(var(--blood-raw), 0.25);
}
.proj-back-btn:hover {
  background: rgba(var(--blood-raw), 0.32);
  border-color: rgba(var(--blood-raw), 0.85);
  box-shadow: 0 0 28px rgba(var(--blood-raw), 0.30), inset 0 1px 0 rgba(var(--blood-raw), 0.35);
}
.proj-back-arrow {
  font-size: 0.75rem;
  line-height: 1;
  transition: transform .3s var(--ease);
}
.proj-back-btn:hover .proj-back-arrow {
  transform: translateX(-3px);
}

/* Details button on website panel */
.proj-next-btn {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.2rem 0.65rem 1.4rem;
  background: rgba(240, 237, 230, 0.10);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(240, 237, 230, 0.18);
  border-radius: 100px;
  color: rgba(240, 237, 230, 0.92);
  font-family: var(--f-sans);
  font-size: 0.56rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: none;
  z-index: 10;
  transition: background .3s, border-color .3s;
}
.proj-next-btn:hover {
  background: rgba(240, 237, 230, 0.18);
  border-color: rgba(240, 237, 230, 0.30);
}
.proj-next-arrow {
  font-size: 0.75rem;
  line-height: 1;
  transition: transform .3s var(--ease);
}
.proj-next-btn:hover .proj-next-arrow {
  transform: translateX(3px);
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.proj-num {
  font-family: var(--f-serif);
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  font-weight: 400;
  font-style: italic;
  color: rgba(var(--blood-raw), 0.22);
  line-height: 1;
  user-select: none;
  display: block;
}

.proj-title {
  font-family: var(--f-serif);
  font-size: clamp(1.6rem, 3vw, 2.8rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.proj-cat {
  font-family: var(--f-sans);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(var(--blood-raw), 0.90);
  display: block;
  margin-bottom: 0.3rem;
}

.proj-date {
  font-family: var(--f-sans);
  font-size: 0.56rem;
  font-weight: 300;
  letter-spacing: 0.16em;
  color: rgba(var(--ink-raw), 0.58);
  display: block;
}

/* ── IFRAME FRAME ────────────────────────── */
.proj-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1440 / 900;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(var(--ink-raw), 0.09);
  box-shadow:
    /* depth layers — creates the lifted-from-dark effect */
    0 2px 8px  rgba(0, 0, 0, 0.80),
    0 8px 28px rgba(0, 0, 0, 0.65),
    0 24px 64px rgba(0, 0, 0, 0.55),
    0 48px 100px rgba(0, 0, 0, 0.35),
    /* blood glow — ties to the orb palette */
    0 0 40px  rgba(var(--blood-raw), 0.10),
    0 0 90px  rgba(var(--blood-raw), 0.06),
    /* faint blue bloom matching the orb core */
    0 0 60px  rgba(100, 148, 220, 0.05),
    /* border ring */
    0 0 0 1px rgba(var(--blood-raw), 0.08);
}

.iframe-wrap {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  overflow: hidden;
  /* promote to its own compositor layer so iframe repaints don't affect the rest */
  transform: translateZ(0);
  will-change: scroll-position;
}

.iframe-wrap iframe {
  display: block;
  width: 1440px;
  height: 900px;
  border: none;
  overflow: hidden;
  pointer-events: none;
  transform: translateZ(0);
}

.preview-fade {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 28%;
  background: linear-gradient(to bottom, transparent, rgba(6, 8, 15, 0.6));
  pointer-events: none;
  z-index: 5;
  border-radius: 0 0 14px 14px;
}

.preview-hint {
  position: absolute;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  opacity: 0;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  pointer-events: none;
  z-index: 10;
}
.iframe-wrap:hover .preview-hint {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.preview-hint-label {
  font-family: var(--f-sans);
  font-size: 0.48rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.55);
  margin-bottom: 0.1rem;
}
.preview-hint .scroll-dot {
  width: 3px;
  height: 3px;
}

/* ── SCROLL INDICATOR ────────────────────── */
.scroll-track {
  position: absolute;
  right: 10px;
  top: 1.2rem;
  bottom: 1.2rem;
  width: 1px;
  background: rgba(var(--ink-raw), 0.08);
  border-radius: 10px;
  z-index: 20;
  pointer-events: none;
}
.scroll-thumb {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blood);
  top: 0;
  transition: background .25s;
  box-shadow: 0 0 6px rgba(var(--blood-raw), 0.6);
}
.iframe-wrap:hover .scroll-thumb {
  background: var(--blood);
  box-shadow: 0 0 10px rgba(var(--blood-raw), 0.9);
}

/* ── PROJECT DETAILS ─────────────────────── */
.proj-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem 2rem;
  align-items: start;
}

.proj-cat-group {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.proj-group-label {
  font-family: var(--f-sans);
  font-size: 0.46rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(var(--blood-raw), 0.95);
}

.proj-group-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.proj-group-skills li {
  font-family: var(--f-sans);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.82);
  background: rgba(var(--ink-raw), 0.07);
  border: 1px solid rgba(var(--ink-raw), 0.18);
  padding: 0.22rem 0.65rem;
  border-radius: 100px;
  pointer-events: none;
  white-space: normal;
  line-height: 1.5;
}

.proj-results {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  padding: 1.2rem 1.4rem;
  background: rgba(var(--blood-raw), 0.04);
  border: 1px solid rgba(var(--blood-raw), 0.12);
  border-radius: 8px;
}
.proj-platform-group {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.proj-platform-label {
  font-family: var(--f-sans);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.60);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(var(--ink-raw), 0.12);
}
.proj-platform-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.proj-result {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.proj-result-num {
  font-family: var(--f-sans);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 300;
  font-style: normal;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.02em;
}

.proj-result-label {
  font-family: var(--f-sans);
  font-size: 0.54rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.68);
}

.proj-proof {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.proj-proof > .proj-group-label {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: rgba(var(--blood-raw), 0.85);
}

.proj-proof-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.proj-proof-images img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  border: 1px solid rgba(var(--ink-raw), 0.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  opacity: 0.85;
  pointer-events: none;
}


.proj-thinking {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
}
.proj-thinking-label {
  font-family: var(--f-sans);
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(var(--blood-raw), 0.90);
}
.proj-thinking p {
  font-size: 0.82rem;
  font-weight: 300;
  font-style: italic;
  color: rgba(var(--ink-raw), 0.88);
  line-height: 1.85;
}

/* ── PAGE SCROLL INDICATOR ───────────────── */
.page-scroll-track {
  position: fixed;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 130px;
  background: rgba(var(--ink-raw), 0.10);
  border-radius: 2px;
  z-index: 200;
  opacity: 0;
  transition: opacity .4s;
}
.page-scroll-track.visible {
  opacity: 1;
}
.page-scroll-thumb {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  background: linear-gradient(to bottom, rgba(var(--blood-raw), 0.85), rgba(var(--blood-raw), 0.5));
  border-radius: 2px;
  min-height: 7px;
  transition: height .1s linear, top .1s linear;
  box-shadow: 0 0 5px rgba(var(--blood-raw), 0.4);
}

/* ── CONTACT ─────────────────────────────── */
.contact {
  padding: clamp(4rem, 7vw, 7rem) var(--px);
  border-top: 1px solid rgba(var(--ink-raw), 0.08);
  background:
    radial-gradient(ellipse 80% 120% at 20% 60%, rgba(var(--blood-raw), 0.07) 0%, transparent 65%),
    radial-gradient(ellipse 60% 100% at 75% 40%, rgba(105, 148, 224, 0.04) 0%, transparent 60%);
}
.contact-inner {
  display: flex;
  flex-direction: column;
}
.contact .label {
  display: block;
  margin-bottom: clamp(1.5rem, 2.5vw, 2.2rem);
}
.contact-heading {
  font-family: var(--f-sans);
  font-size: clamp(1.4rem, 2.2vw, 2.6rem);
  font-weight: 300;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: rgba(var(--ink-raw), 0.82);
  margin-bottom: clamp(2rem, 3.5vw, 3rem);
}
.contact-email {
  display: block;
  font-family: var(--f-sans);
  font-size: clamp(1.1rem, 1.8vw, 1.9rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1;
  color: rgba(var(--ink-raw), 0.72);
  text-decoration: none;
  margin-bottom: clamp(2rem, 3vw, 2.8rem);
  transition: color .3s;
}
.contact-email:hover { color: var(--ink); }
.contact-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: clamp(1.5rem, 2.5vw, 2rem);
  border-top: 1px solid rgba(var(--ink-raw), 0.08);
}
.contact-ig {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--f-sans);
  font-size: clamp(0.72rem, 0.9vw, 0.84rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.72);
  text-decoration: none;
  transition: color .3s;
}
.contact-ig svg { opacity: 0.75; flex-shrink: 0; transition: opacity .3s; }
.contact-ig:hover { color: var(--ink); }
.contact-ig:hover svg { opacity: 1; }
.contact-avail {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--f-sans);
  font-size: clamp(0.72rem, 0.9vw, 0.84rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(var(--ink-raw), 0.72);
}
.contact-avail-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4caf7d;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(76, 175, 125, 0.55);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1;   box-shadow: 0 0 6px  rgba(76, 175, 125, 0.55); }
  50%       { opacity: 0.5; box-shadow: 0 0 12px rgba(76, 175, 125, 0.25); }
}

/* ── FOOTER ──────────────────────────────── */
footer {
  padding: 1.8rem var(--px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--f-sans);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: rgba(var(--ink-raw), 0.42);
}

/* ── FADE-UP ─────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── NAV BURGER (hidden on desktop) ─────── */
.nav-burger { display: none; }

/* ── RESPONSIVE ──────────────────────────── */
@media (max-width: 820px) {
  .nav-links { gap: 1.5rem; }
}

@media (max-width: 768px) {

  /* Nav — show burger, hide inline links */
  .nav-links {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    background: rgba(6, 8, 15, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    font-size: 0.66rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.45s var(--ease);
    z-index: 100;
  }
  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    font-family: var(--f-sans);
    font-size: clamp(1.5rem, 6.5vw, 2.2rem);
    font-style: normal;
    font-weight: 300;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(var(--ink-raw), 0.75);
    transition: color 0.3s;
  }
  .nav-links a:hover { color: var(--ink); }

  .nav-burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: none;
    z-index: 110;
    position: relative;
  }
  .nav-burger span {
    display: block;
    width: 22px;
    height: 1px;
    background: rgba(var(--ink-raw), 0.70);
    transform-origin: center;
    transition: transform 0.4s var(--ease), opacity 0.3s;
  }
  .nav-burger.open span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }
  .nav-burger.open span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  /* Hide desktop-only chrome */
  .page-scroll-track { display: none; }
  .hero-scroll { display: none; }

  /* Hero — push content toward upper third */
  .hero {
    padding: 9rem var(--px) 4rem;
    justify-content: flex-start;
  }
  .hero-content .label { margin-bottom: clamp(1.2rem, 4vw, 2rem); }
  .hero-heading {
    font-size: clamp(0.88rem, 3.8vw, 1.3rem);
    margin-left: clamp(0.8rem, 2.5vw, 2rem);
    margin-bottom: clamp(0.7rem, 2vw, 1.2rem);
  }
  .hero-sub {
    font-size: 0.56rem;
    margin-left: clamp(1.5rem, 5vw, 4rem);
  }

  /* Projects list */
  .projects-list { gap: 4rem; }

  /* proj-wrap — stack side above card */
  .proj-wrap {
    flex-direction: column;
    gap: 0.8rem;
  }
  .proj-side {
    display: grid;
    grid-template-columns: max-content 1fr;
    grid-template-rows: auto auto;
    column-gap: 1rem;
    row-gap: 0;
    width: 100%;
    align-items: start;
    padding-top: 0;
    /* reset flex */
    flex-direction: unset;
    flex-wrap: unset;
  }
  .proj-wrap .proj-num {
    grid-column: 1;
    grid-row: 1;
    text-align: left;
    font-size: clamp(5rem, 20vw, 8rem);
    line-height: 0.88;
    flex-shrink: unset;
  }
  .proj-side-meta {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding-top: 0.2rem;
  }
  .proj-side-name { font-size: clamp(1.4rem, 5.5vw, 2rem); }
  .proj-side-cat {
    font-size: 0.58rem;
    letter-spacing: 0.14em;
  }
  .proj-side-date { font-size: 0.56rem; }
  .proj-achieve {
    grid-column: 1 / -1;
    grid-row: 2;
    display: none;
  }
  .proj-left .project-meta { display: none; }

  /* Project card — vertical stack instead of horizontal snap */
  .project {
    flex-direction: column;
    height: auto;
    overflow: hidden;
    scroll-snap-type: none;
    border-radius: 12px;
    border: 1px solid rgba(var(--ink-raw), 0.14);
  }
  .proj-right {
    flex: none;
    width: 100%;
    height: clamp(220px, 56vw, 380px);
    scroll-snap-align: none;
  }
  /* inherit card rounding — parent overflow:hidden does the clipping */
  .proj-right .proj-frame { border-radius: 0; }
  .proj-left {
    flex: none;
    width: 100%;
    height: auto;
    overflow: visible;
    scroll-snap-align: none;
    border-left: none;
    border-top: 1px solid var(--border);
    border-radius: 0;
  }
  .proj-left-inner {
    overflow-y: visible;
    padding: 2rem 1.4rem 2.5rem;
  }

  /* Hide panel nav buttons — panels now stack naturally */
  .proj-next-btn, .proj-back-btn { display: none; }

  /* Project details layout */
  .proj-details {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem 1.5rem;
  }
  .proj-cat-group { min-width: 0; }
  .proj-thinking p { font-size: 0.78rem; }

  /* Platform stats */
  .proj-platform-stats { flex-wrap: wrap; gap: 0.8rem 1.5rem; }
  .proj-result-num { font-size: clamp(1.2rem, 5vw, 1.6rem); }

  /* Proof images */
  .proj-proof-images {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }
  .proj-proof-images::-webkit-scrollbar { display: none; }
  .proj-proof-images img { flex-shrink: 0; max-width: 72vw; }

  /* Contact */
  .contact-heading { font-size: clamp(1.2rem, 5vw, 2rem); }
  .contact-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
  }
  .contact-email { font-size: clamp(1.4rem, 6vw, 2.2rem); }
}