/* ============================================================
   NORTHWIND V2.1 · WERO-INSPIRED COLOR SYSTEM
   ============================================================ */

/* --------------------------------
   TOKENS
   -------------------------------- */
:root {
  /* Base — warm editorial paper */
  --paper: #F7F5EE;
  --paper-2: #F0ECE1;
  --ink: #111111;
  --muted: #5C5C5C;
  --line: rgba(17, 17, 17, .10);

  /* Accent — high-saturation European fintech palette */
  --pink:   #FF70E8;
  --orange: #FF8A3D;
  --yellow: #FFD84D;
  --green:  #78F58A;
  --cyan:   #62E8E8;
  --blue:   #4D83FF;
  --purple: #9A72FF;

  /* Layout */
  --container: 1200px;
  --gutter: 5vw;
  --grid-gap: 20px;

  /* Radius */
  --radius-md: 20px;
  --radius-lg: 40px;
  --radius-pill: 999px;

  /* Easing */
  --ease-out: cubic-bezier(.2, .8, .2, 1);
  --ease-expo: cubic-bezier(.16, 1, .3, 1);

  /* Nav */
  --nav-h: 80px;
  --nav-h-scrolled: 60px;
}

/* --------------------------------
   RESET & GLOBAL
   -------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: auto; overflow-x: clip; }
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
button, a { font: inherit; }
section { position: relative; overflow: visible; }

/* --------------------------------
   NOISE TEXTURE
   -------------------------------- */
.site-noise {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: .022;
  mix-blend-mode: overlay;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --------------------------------
   AMBIENT SHAPES — page-level canvas
   -------------------------------- */
.ambient-shapes {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  isolation: isolate;
  contain: strict;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.ambient-blob {
  position: absolute;
  border-radius: 48% 52% 63% 37% / 54% 42% 58% 46%;
  filter: blur(80px);
  opacity: .30;
  will-change: transform;
  backface-visibility: hidden;
}

.ambient-blob--pink {
  width: 55vw; height: 38vw;
  top: -5%; left: -10%;
  background: linear-gradient(135deg, var(--pink) 0%, var(--orange) 50%, var(--yellow) 100%);
  transform: rotate(-8deg);
}

.ambient-blob--cyan {
  width: 45vw; height: 32vw;
  top: 45%; right: -12%;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 50%, var(--purple) 100%);
  transform: rotate(12deg);
  opacity: .22;
}

.ambient-blob--green {
  width: 40vw; height: 30vw;
  bottom: -5%; left: 20%;
  background: linear-gradient(135deg, var(--green) 0%, var(--cyan) 50%, var(--blue) 100%);
  transform: rotate(-5deg);
  opacity: .18;
}

/* --------------------------------
   GRID SYSTEM
   -------------------------------- */
.container {
  width: min(var(--container), calc(100vw - 2 * var(--gutter)));
  margin-inline: auto;
  position: relative; z-index: 1;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  position: relative; z-index: 1;
}

/* --------------------------------
   SHARED COMPONENTS
   -------------------------------- */
.sec-label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .10em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 24px;
}

.reveal { will-change: transform, opacity; }

/* Color line */
.color-line {
  height: 3px; width: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--pink), var(--orange), var(--yellow), var(--green), var(--cyan), var(--blue), var(--purple));
  opacity: .55;
}

/* Glow — for section-local ambient light */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}
.glow-pink   { background: var(--pink);   opacity: .22; }
.glow-cyan   { background: var(--cyan);   opacity: .18; }
.glow-orange { background: var(--orange); opacity: .18; }
.glow-blue   { background: var(--blue);   opacity: .16; }
.glow-green  { background: var(--green);  opacity: .14; }
.glow-yellow { background: var(--yellow); opacity: .16; }
.glow-purple { background: var(--purple); opacity: .14; }

/* --------------------------------
   NAVIGATION
   -------------------------------- */
.nav {
  position: fixed;
  top: 16px; left: 50%;
  transform: translateX(-50%);
  width: min(640px, calc(100vw - 2 * var(--gutter)));
  height: 56px;
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .64);
  backdrop-filter: blur(24px) saturate(1.3);
  -webkit-backdrop-filter: blur(24px) saturate(1.3);
  box-shadow:
    0 2px 12px rgba(0,0,0,.04),
    0 1px 2px rgba(0,0,0,.06),
    inset 0 1px 0 rgba(255,255,255,.5);
  border: 1px solid rgba(255,255,255,.3);
  transition: all .5s var(--ease-out);
}

.nav.scrolled {
  width: min(560px, calc(100vw - 2 * var(--gutter)));
  height: 48px;
  background: rgba(255, 255, 255, .76);
  box-shadow:
    0 4px 20px rgba(0,0,0,.06),
    0 1px 3px rgba(0,0,0,.08),
    inset 0 1px 0 rgba(255,255,255,.5);
}

.nav-logo {
  font-size: 16px; font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
  text-decoration: none;
  position: relative; z-index: 0;
  transition: font-size .4s var(--ease-out);
}
.nav.scrolled .nav-logo { font-size: 14px; }

.nav-links {
  display: flex; gap: 32px;
  list-style: none;
  position: relative; z-index: 0;
  align-items: center;
}

.nav-link {
  color: var(--ink); text-decoration: none;
  font-size: 14px; font-weight: 500;
  letter-spacing: -0.01em;
  position: relative;
  transition: opacity .3s;
}
.nav-link:hover { opacity: .45; }

.nav-link::after {
  content: '';
  position: absolute; bottom: -6px; left: 50%;
  transform: translateX(-50%) scale(0);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--ink);
  transition: transform .3s var(--ease-expo);
}
.nav-link.active::after { transform: translateX(-50%) scale(1); }

.sound-toggle {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 1000;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(17, 17, 17, .10);
  border-radius: 50%;
  background: rgba(247, 245, 238, .82);
  box-shadow: 0 4px 18px rgba(17, 17, 17, .10);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--muted);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: color .2s ease, background-color .2s ease;
}

.sound-toggle:hover,
.sound-toggle:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, .92);
  outline: none;
}

.sound-toggle svg {
  width: 19px;
  height: 19px;
}

.sound-toggle__on { display: none; }
.sound-toggle.is-enabled { color: var(--ink); }
.sound-toggle.is-enabled .sound-toggle__off { display: none; }
.sound-toggle.is-enabled .sound-toggle__on { display: block; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none;
  padding: 4px; z-index: 101; position: relative;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--ink);
  transition: transform .3s, opacity .3s;
}
/* --------------------------------
   HERO
   -------------------------------- */
.hero {
  min-height: 100svh;
  display: flex; align-items: center;
  background: transparent;

  position: relative; z-index: 1;
}

.hero-content {
  position: relative; z-index: 0;
}

.hero-title {
  margin: 0;
  font-size: clamp(72px, 13vw, 190px);
  line-height: .90;
  letter-spacing: -.075em;
  font-weight: 900;
}

/* Offset: NORTH left, WIND right */
.hero-title-line {
  display: block;
  padding: 0.06em 0;
}

.hero-title-line:first-child {
  padding-left: var(--gutter);
}

.hero-title-line:last-child {
  padding-left: max(14vw, 140px);
}

.hero-subtitle {
  margin-top: 44px;
  font-size: clamp(15px, 1.8vw, 20px);
  line-height: 1.6;
  color: var(--muted);
  padding-left: var(--gutter);
  max-width: 520px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px; right: calc(var(--gutter) + 58px);
  font-size: 14px; font-weight: 500;
  color: var(--muted);
  letter-spacing: -0.01em;
  z-index: 0;
}

/* Hero shapes */
.shape {
  position: absolute; pointer-events: none; z-index: 1;
}

.shape-ring {
  width: 220px; height: 220px;
  top: 16%; right: 10%;
  border: 4px solid var(--pink);
  border-radius: 50%;
  opacity: .40;
}

.shape-blob {
  width: 280px; height: 280px;
  bottom: 12%; left: 5%;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  border-radius: 48% 52% 63% 37% / 54% 42% 58% 46%;
  filter: blur(18px);
  opacity: .55;
}

.shape-line {
  width: 140px; height: 3px;
  top: 58%; left: 20%;
  background: var(--orange);
  border-radius: 2px;
  opacity: .45;
  transform: rotate(-22deg);
}

/* --------------------------------
   ABOUT / WHO I AM
   -------------------------------- */
.about {
  min-height: 85vh;
  display: flex; align-items: center;
  background: transparent;
  padding: 40px 0;
}

.about-left  { grid-column: 1 / 8; padding-top: 168px; }
.about-right { grid-column: 9 / 13; padding-top: 168px; }

.about-title {
  font-size: clamp(56px, 9vw, 120px);
  line-height: 1.0;
  letter-spacing: -.06em;
  font-weight: 900;
}

/* ---- About Identity Block ---- */
.about-identity {
  margin-bottom: 48px;
}

.about-name {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.0;
  letter-spacing: -.06em;
  font-weight: 900;
  margin-bottom: 16px;
}

.about-role {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.03em;
  color: var(--ink);
  opacity: .80;
  margin-bottom: 28px;
}

.about-direction {
  display: flex; flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.about-direction span {
  --spec-x: 50%;
  --spec-y: 50%;
  --spec-opacity: 0;
  position: relative;
  overflow: visible;
  isolation: isolate;
  font-size: 13px; font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  background: rgba(0,0,0,.06);
  border: 1px solid rgba(17,17,17,.08);
  color: var(--ink);
  letter-spacing: -.01em;
  transition: transform .2s var(--ease-out), box-shadow .3s ease, background .3s ease;
}

.about-direction span::after {
  content: '';
  position: absolute;
  inset: -1px;
  z-index: 1;
  padding: 1.5px;
  border-radius: inherit;
  background: radial-gradient(
    72px circle at var(--spec-x) var(--spec-y),
    rgba(255,255,255,1) 0%,
    rgba(17,17,17,.82) 22%,
    rgba(17,17,17,.18) 48%,
    transparent 72%
  );
  opacity: var(--spec-opacity);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: opacity .22s ease;
}

.about-direction span:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,.38);
  box-shadow: 0 7px 18px rgba(17,17,17,.10);
}

.about-divider {
  width: 100%; height: 1px;
  background: var(--line);
  margin-bottom: 20px;
}

.about-school {
  display: flex; gap: 18px;
  font-size: 13px; font-weight: 500;
  color: var(--muted);
  opacity: .60;
  letter-spacing: -.01em;
}

.about-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}
.about-body p + p { margin-top: 16px; }

/* ---- About pixel bars ---- */
.about-module {
  margin-top: 36px;
}

.about-module-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  column-gap: 24px;
  row-gap: 36px;
  margin-top: 36px;
}

.about-module-pair .about-module {
  margin-top: 0;
}

.about-module-title {
  font-size: 11px; font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .10em;
  color: var(--muted);
  margin-bottom: 12px;
}

.about-bars {
  display: flex; flex-direction: column;
  gap: 7px;
}

.about-bar {
  display: flex; align-items: center;
  gap: 14px;
  padding: 3px 0;
  cursor: default;
  transition: transform .2s ease;
}

.about-bar:hover {
  transform: translateX(3px);
}

.about-bar-label {
  font-size: 13px; font-weight: 500;
  color: var(--ink);
  min-width: 68px;
  letter-spacing: -.01em;
}

.about-bar-track {
  display: flex; gap: 4px;
}

.about-bar-block {
  width: 10px; height: 10px;
  background: rgba(0,0,0,.12);
  transition: background .25s ease;
}

.about-bar-block.filled {
  background: var(--ink);
}

.about-explore-list {
  display: flex; flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.about-explore-list span {
  font-size: 13px;
  color: var(--ink);
  opacity: .70;
  letter-spacing: -.01em;
}



/* ---- Pixel bars ---- */
.about-panel-bars {
  display: flex; flex-direction: column;
  gap: 8px;
}

.about-panel-bar {
  display: flex; align-items: center;
  gap: 16px;
  padding: 4px 0;
  cursor: default;
  transition: transform .2s ease;
}

.about-panel-bar:hover {
  transform: translateX(3px);
}

.about-panel-bar-label {
  font-size: 13px; font-weight: 500;
  color: var(--ink);
  min-width: 68px;
  letter-spacing: -.01em;
}

.about-panel-bar-track {
  display: flex; gap: 4px;
}

.about-panel-bar-block {
  width: 10px; height: 10px;
  background: rgba(0,0,0,.12);
  transition: background .25s ease;
}

.about-panel-bar-block.filled {
  background: var(--ink);
}

/* ---- Current exploration list ---- */
.about-panel-explore {
  display: flex; flex-wrap: wrap;
  gap: 10px;
}

.about-panel-explore span {
  font-size: 13px;
  color: var(--ink);
  opacity: .70;
  letter-spacing: -.01em;
}





/* --------------------------------
   EXPLORE
   -------------------------------- */
.explore {
  padding: 160px 0;
  background: transparent;
}

.explore-header { margin-bottom: 32px; }

.explore-title {
  font-size: clamp(56px, 9vw, 130px);
  line-height: 1.0;
  letter-spacing: -.06em;
  font-weight: 900;
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 360px));
  justify-content: center;
  align-items: end;
  gap: 12px;
  padding: 92px 36px 76px;
  isolation: isolate;
}

.explore-card {
  --fan-x: 0px;
  --fan-y: 0px;
  --fan-rotate: 0deg;
  min-height: 380px; padding: 36px;
  border: none;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.45);
  display: flex; flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transform: translate3d(var(--fan-x), var(--fan-y), 0) rotate(var(--fan-rotate));
  transform-origin: 50% 115%;
  box-shadow:
    0 22px 50px rgba(17, 17, 17, .07),
    inset 0 0 0 1px var(--line);
  transition: transform .6s cubic-bezier(.25, .1, .25, 1), box-shadow .6s cubic-bezier(.25, .1, .25, 1);
}

.explore-card:nth-child(1) {
  --fan-x: -28px;
  --fan-y: 48px;
  --fan-rotate: -8deg;
  z-index: 1;
}

.explore-card:nth-child(2) {
  --fan-y: -28px;
  z-index: 3;
}

.explore-card:nth-child(3) {
  --fan-x: 28px;
  --fan-y: 48px;
  --fan-rotate: 8deg;
  z-index: 1;
}
/* SVG shine overlay — sits on top of card */
.explore-card .shine-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.explore-card .shine-svg.active {
  opacity: 1;
}
/* Card content sits above the SVG */
.explore-card > *:not(.shine-svg) {
  position: relative;
  z-index: 1;
}
.explore-card:hover {
  transform: translate3d(var(--fan-x), calc(var(--fan-y) - 14px), 0) rotate(var(--fan-rotate)) scale(1.015);
  z-index: 5;
  box-shadow:
    0 30px 60px rgba(0, 0, 0, .11),
    0 6px 16px rgba(0, 0, 0, .05),
    inset 0 0 0 1px rgba(17, 17, 17, .08);
}

.explore-card-num {
  font-size: 13px; font-weight: 600;
  color: var(--muted); margin-bottom: 18px;
}

.explore-card-title {
  font-size: 28px; font-weight: 700;
  letter-spacing: -.04em; line-height: 1.15;
}

.explore-card-desc {
  font-size: 14px; color: var(--muted);
  line-height: 1.65;
  margin-top: auto; padding-top: 22px;
}

.explore-tags {
  display: flex; flex-wrap: wrap;
  gap: 8px; margin-top: 22px;
}

.explore-tag {
  font-size: 11px; font-weight: 600;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background: var(--paper-2);
  color: var(--ink);
}

/* --------------------------------
   PROJECTS
   -------------------------------- */
.projects {
  padding: 180px 0;
  background: transparent;
}

.projects-header { margin-bottom: 80px; }

.projects-title {
  font-size: clamp(56px, 10vw, 130px);
  line-height: 1.0;
  letter-spacing: -.06em;
  font-weight: 900;
}

.project {
  position: relative;
  margin-bottom: 0;
  padding: 36px 40px;
  border-radius: var(--radius-lg);
  background: transparent;
  border: none;
  cursor: pointer; z-index: 1;
  transition: transform .5s var(--ease-out), background .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.project-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.project-link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 5px;
}
.project + .project { margin-top: 12px; }

/* Subtle separator line when not hovering */
.project:not(:last-child) {
  border-bottom: 1px solid var(--line);
}

.project-inner {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 32px; align-items: center;
}

.project-number {
  font-size: 13px; font-weight: 600;
  color: var(--muted);
}

.project-title {
  font-size: clamp(36px, 6vw, 88px);
  line-height: .90;
  letter-spacing: -.06em;
  font-weight: 900;
  display: block;
  color: inherit;
  text-decoration: none;
  transition: color .3s ease;
}

.project-meta {
  display: flex; gap: 10px; margin-top: 14px;
}

.project-tag {
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background: rgba(0,0,0,.05);
  font-size: 13px; font-weight: 600;
  color: var(--muted);
}

.project-arrow {
  font-size: 26px; color: var(--muted);
  transition: transform .3s ease, color .3s ease;
  padding-right: 4px;
}

/* Hover: frosted glass card emerges */
.project:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.40);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border: 1px solid rgba(255,255,255,.35);
  border-bottom: 1px solid rgba(255,255,255,.35) !important;
  box-shadow:
    0 8px 28px rgba(0,0,0,.06),
    inset 0 1px 0 rgba(255,255,255,.5);
}
.project:hover .project-arrow { transform: translateX(6px); color: var(--ink); }
.project:hover .project-title { color: var(--blue); }

.project--last-viewed {
  animation: crafted-works-pulse 1.8s var(--ease-out) both;
}

@keyframes crafted-works-pulse {
  0% { background: rgba(255,255,255,0); transform: scale(1); }
  25% { background: rgba(255,255,255,.62); transform: scale(1.012); box-shadow: 0 10px 30px rgba(17,17,17,.08); }
  100% { background: rgba(255,255,255,0); transform: scale(1); box-shadow: none; }
}

/* Gradient line on hover — flows from left to right */
.project::after {
  content: '';
  position: absolute; bottom: 0; left: 40px;
  width: 0; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--pink), var(--cyan), var(--blue));
  transition: width .5s var(--ease-expo);
}
.project:hover::after {
  width: calc(100% - 80px);
}

/* --------------------------------
   ALGORITHM STORY
   -------------------------------- */
.algorithm-story {
  height: 280vh;
  background: transparent;
  position: relative; z-index: 1;
}

.algorithm-sticky {
  height: 100vh;
  position: sticky; top: 0;
  display: grid; place-items: center;
  overflow: hidden;
}

.algorithm-inner {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  position: relative; z-index: 1;
}

.algorithm-heading {
  font-size: clamp(48px, 8vw, 100px);
  line-height: 1.05;
  letter-spacing: -.06em;
  font-weight: 900;
  margin-bottom: 44px;
}

.complexity-wrapper {
  position: relative;
  height: 1.4em; overflow: hidden;
}

.complexity {
  font-size: clamp(80px, 14vw, 200px);
  line-height: .85;
  letter-spacing: -.08em;
  font-weight: 900;
  position: absolute;
  left: 50%; transform: translateX(-50%);
  white-space: nowrap;
}

/* Algorithm SVG */
.algo-svg {
  position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
}

.algo-edge {
  stroke: var(--orange);
  stroke-width: 1.5; opacity: .30;
  stroke-dasharray: 6 8;
}

.algo-node {
  fill: var(--blue); opacity: .45;
}

.algo-node-highlight { fill: var(--pink); opacity: .60; }

/* --------------------------------
   CREATIVE SIDE
   -------------------------------- */
.creative {
  padding: 180px 0;
  background: transparent;
}

.creative-inner {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  gap: clamp(56px, 8vw, 120px);
  align-items: center;
}

.creative-copy {
  max-width: 420px;
}

.creative-heading {
  text-align: right;
}

.creative-heading .sec-label {
  margin-left: auto;
}

.creative-title {
  font-size: clamp(68px, 10.5vw, 148px);
  line-height: .88;
  letter-spacing: -.06em;
  font-weight: 900;
}

.creative-subtitle {
  margin-top: 36px;
}

.creative-subtitle-line {
  display: block;
  font-size: 17px;
  line-height: 1.65;
  color: var(--muted);
  letter-spacing: .02em;
}

.creative-desc {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.55;
  color: var(--muted);
}
.creative-desc p + p { margin-top: 12px; }

.creative-tags {
  display: flex; flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.creative-tags span {
  --spec-x: 50%;
  --spec-y: 50%;
  --spec-opacity: 0;
  position: relative;
  isolation: isolate;
  font-size: 13px; font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  background: rgba(0,0,0,.06);
  border: 1px solid rgba(17,17,17,.08);
  color: var(--ink);
  letter-spacing: -.01em;
  transition: transform .2s var(--ease-out), box-shadow .3s ease, background .3s ease;
}

.creative-tags span::before {
  content: '';
  position: absolute;
  inset: -1px;
  z-index: 1;
  padding: 1.5px;
  border-radius: inherit;
  background: radial-gradient(
    72px circle at var(--spec-x) var(--spec-y),
    rgba(255,255,255,1) 0%,
    rgba(17,17,17,.82) 22%,
    rgba(17,17,17,.18) 48%,
    transparent 72%
  );
  opacity: var(--spec-opacity);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: opacity .22s ease;
}

.creative-tags span:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,.38);
  box-shadow: 0 7px 18px rgba(17,17,17,.10);
}
/* --------------------------------
   NOW
   -------------------------------- */
.now {
  padding: 180px 0;
  background: transparent;
}

.now-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}

.now-title {
  font-size: clamp(56px, 9vw, 120px);
  line-height: 1.0;
  letter-spacing: -.06em;
  font-weight: 900;
}

.now-list { list-style: none; }

.now-item {
  display: flex; align-items: flex-start;
  gap: 20px; padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.now-item:first-child { border-top: 1px solid var(--line); }

.now-item-num {
  font-size: 13px; font-weight: 600;
  color: var(--muted);
  flex-shrink: 0; width: 26px;
}

.now-item-title {
  font-size: 22px; font-weight: 700;
  letter-spacing: -.03em;
}

.now-item-desc {
  font-size: 14px; color: var(--muted);
  margin-top: 5px; line-height: 1.6;
}

.now-status {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  flex-shrink: 0; margin-top: 9px;
}
.now-status--active { background: var(--green); }

/* --------------------------------
   CONTACT / CTA
   -------------------------------- */
.cta {
  min-height: 90vh;
  display: flex; align-items: center;
  background: var(--ink); color: #fff;
  position: relative; z-index: 1;
}

.cta-inner { position: relative; z-index: 1; }

.cta-title {
  font-size: clamp(56px, 11vw, 150px);
  line-height: .95;
  letter-spacing: -.07em;
  font-weight: 900;
}

.cta-subtitle {
  margin-top: 28px;
  font-size: 17px; font-weight: 500;
  opacity: .70; max-width: 460px;
  letter-spacing: -.01em;
  line-height: 1.6;
}

.cta-buttons {
  display: flex; gap: 14px; margin-top: 48px;
}

.btn {
  display: inline-flex; align-items: center;
  padding: 16px 28px;
  border-radius: var(--radius-pill);
  font-size: 14px; font-weight: 600;
  letter-spacing: -.02em;
  text-decoration: none;
  transition: transform .3s ease, box-shadow .3s ease;
}
.btn:hover { transform: translateY(-3px) scale(1.03); }

.btn-primary {
  background: var(--green); color: var(--ink);
}
.btn-primary:hover { box-shadow: 0 10px 40px rgba(120,245,138,.30); }

.btn-secondary {
  background: rgba(255,255,255,.08); color: #fff;
}
.btn-secondary:hover { background: rgba(255,255,255,.16); }

/* --------------------------------
   FOOTER
   -------------------------------- */
.footer {
  padding: 44px var(--gutter);
  background: var(--ink);
  color: rgba(255,255,255,.30);
  display: flex; justify-content: space-between;
  align-items: center;
  font-size: 13px;
  position: relative; z-index: 1;
}
.footer-brand {
  font-weight: 700; color: rgba(255,255,255,.50);
  letter-spacing: .04em;
}


/* --------------------------------
   CONTACT INFO (in CTA section)
   -------------------------------- */
.contact-info {
  display: flex; flex-wrap: wrap;
  gap: 28px;
  margin-top: 32px;
  font-size: 14px;
  opacity: .70;
}

.contact-item {
  display: flex; align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  transition: opacity .3s;
}
.contact-item:hover { opacity: .7; }

.contact-item svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  opacity: .7;
}


/* --------------------------------
   ARC SECTION DIVIDERS
   -------------------------------- */
.arc-divider {
  position: absolute;
  bottom: -1px; left: 0;
  width: 100%;
  height: 80px;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.arc-divider svg {
  display: block;
  width: 100%;
  height: 100%;
}

.arc-divider path {
  fill: var(--paper);
}

/* Invert — arc that curves upward (for dark sections) */
.arc-divider--up {
  top: -1px; bottom: auto;
  transform: rotate(180deg);
}

/* --------------------------------
   RESPONSIVE
   -------------------------------- */
@media (max-width: 1024px) {
  .about-left  { grid-column: 1 / 8; padding-top: 168px; }
  .about-right { grid-column: 8 / 13; }
  .about .grid { gap: 40px; }
  .explore-grid { padding-inline: 20px; }
  .explore-card { min-height: 320px; padding: 28px; }
  .explore-card:nth-child(1) { --fan-x: -18px; --fan-rotate: -6deg; }
  .explore-card:nth-child(3) { --fan-x: 18px; --fan-rotate: 6deg; }
  .creative-inner, .now-grid { gap: 50px; }
  .shape-ring { width: 160px; height: 160px; }
  .shape-blob { width: 200px; height: 200px; }
  .ambient-blob--pink { width: 45vw; height: 30vw; }
  .ambient-blob--cyan { width: 35vw; height: 26vw; }
  .ambient-blob--green { width: 32vw; height: 24vw; }
}

@media (max-width: 768px) {
  :root { --gutter: 24px; --nav-h: 64px; --nav-h-scrolled: 52px; }

  html.mobile-menu-open,
  body.mobile-menu-open { overflow: hidden; }

  .nav {
    width: calc(100vw - 48px);
    top: 12px;
    padding: 0 14px 0 20px;
    transition: background .25s ease, box-shadow .25s ease;
  }
  .nav-links { display: none; }
  .nav-toggle {
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    padding: 10px;
  }
  .nav.is-menu-open {
    inset: 0;
    width: 100%;
    height: 100dvh;
    padding: 0;
    transform: none;
    border: 0;
    border-radius: 0;
    background: var(--paper);
    box-shadow: none;
  }
  .nav.is-menu-open .nav-logo {
    position: absolute;
    top: 20px;
    left: 24px;
    z-index: 102;
  }
  .nav.is-menu-open .nav-toggle {
    position: absolute;
    top: 12px;
    right: 18px;
  }
  .nav.is-menu-open .nav-toggle span:first-child { transform: translateY(7px) rotate(45deg); }
  .nav.is-menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.is-menu-open .nav-toggle span:last-child { transform: translateY(-7px) rotate(-45deg); }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    background: transparent;
    align-items: center; justify-content: center;
    gap: 24px;
  }
  .nav-links.open .nav-link {
    display: grid;
    min-width: 120px;
    min-height: 44px;
    place-items: center;
    font-size: 20px;
  }

  .hero-title { font-size: 16vw; line-height: .95; }
  .hero-title-line:last-child { padding-left: max(10vw, 80px); }
  .hero-subtitle { font-size: 15px; }
  .hero-scroll-hint { right: 82px; bottom: 26px; z-index: 2; }



  .about .grid { display: flex; flex-direction: column; gap: 40px; }
  .about-left { padding-top: 72px; }
  .about-right { padding-top: 0; }
  .about { min-height: auto; padding: 88px 0; }
  .about-title { font-size: 14vw; }
  .about-module-pair { grid-template-columns: 1fr; row-gap: 28px; }

  .explore { padding: 88px 0; }
  .explore-header { margin-bottom: 48px; }
  .explore-grid { grid-template-columns: 1fr; gap: 18px; padding: 0; }
  .explore-card,
  .explore-card:nth-child(1),
  .explore-card:nth-child(2),
  .explore-card:nth-child(3) {
    --fan-x: 0px;
    --fan-y: 0px;
    --fan-rotate: 0deg;
    min-height: auto;
  }

  .projects { padding: 88px 0; }
  .project { padding: 24px 28px; }
  .project:hover::after { width: calc(100% - 56px); }
  .project-inner { grid-template-columns: 1fr auto; gap: 16px; }
  .project-number { display: none; }
  .project-title { font-size: 9vw; }

  .creative-inner, .now-grid { grid-template-columns: 1fr; gap: 40px; }
  .creative-heading { order: 1; text-align: left; }
  .creative-copy { order: 2; max-width: 100%; }
  .creative-title { font-size: 14vw; line-height: .92; }
  .creative, .now { padding: 88px 0; }

  .cta-buttons { flex-direction: column; align-items: flex-start; }
  .cta-title { font-size: 13vw; }

  .footer { flex-direction: column; gap: 12px; text-align: center; }
  .contact-info { flex-direction: column; gap: 14px; }

  .ambient-blob--pink { width: 60vw; height: 40vw; top: 0; left: -20%; }
  .ambient-blob--cyan { width: 50vw; height: 35vw; top: 50%; right: -20%; }
  .ambient-blob--green { width: 45vw; height: 30vw; bottom: 5%; left: 10%; }
  .shape-ring { width: 130px; height: 130px; top: 20%; right: 3%; }
  .shape-blob { width: 170px; height: 170px; bottom: 10%; left: -12%; }
  .shape-line { width: 80px; }
}

/* --------------------------------
   MUSIC SECTION
   -------------------------------- */
.music {
  padding: 160px 0;
  background: transparent;
  position: relative;
}

.music-layout {
  display: grid;
  grid-template-columns: 20fr 30fr 15fr 35fr;
  gap: 32px;
  align-items: center;
}

/* ---- Title ---- */
.music-heading {
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -.05em;
  font-weight: 900;
}

.music-group-toggle {
  margin-top: 22px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255,255,255,.3);
  color: var(--muted);
  font: 600 11px/1 var(--mono);
  letter-spacing: 0;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.music-group-toggle:hover {
  color: var(--ink);
  background: rgba(255,255,255,.52);
  border-color: rgba(0,0,0,.15);
}

.music-group-toggle:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* ---- Album Cover ---- */
.music-cover-col {}

.music-cover-card {
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.04);
  display: flex; align-items: center; justify-content: center;
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out);
}

.music-cover-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.07), 0 2px 8px rgba(0,0,0,.04);
}

.music-cover-card img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
  opacity: 0;
  transform: translateZ(0);
  transition: opacity .18s ease-out;
  will-change: opacity;
}

.music-cover-card img.music-cover-image--active { opacity: 1; }

/* ---- Links ---- */
.music-links-col {
  display: flex; flex-direction: column; align-items: center; gap: 24px;
}

.music-song-meta { text-align: center; }

.music-song-name {
  font-size: 18px; font-weight: 700;
  letter-spacing: -.03em;
  margin-bottom: 4px;
}

.music-song-artist { font-size: 16px; color: var(--muted); }

.music-song-album {
  font-size: 14px; color: var(--muted);
  opacity: .6; margin-top: 2px;
}

.music-platforms {
  display: flex; flex-direction: column;
  gap: 10px; width: 100%;
}

.music-platform-btn {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px; font-weight: 600;
  letter-spacing: -.01em; text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.25);
  color: var(--ink);
  transition: all .35s var(--ease-out);
  font-family: inherit;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.music-platform-btn:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,.45);
  border-color: rgba(0,0,0,.15);
  box-shadow: 0 4px 14px rgba(0,0,0,.06);
}

.music-platform-btn--qq:hover {
  background: rgba(49, 194, 124, .12);
  border-color: rgba(49, 194, 124, .3);
}

.music-platform-btn--netease:hover {
  background: rgba(236, 65, 65, .10);
  border-color: rgba(236, 65, 65, .25);
}

.music-platform-btn--spotify:hover {
  background: rgba(29, 185, 84, .12);
  border-color: rgba(29, 185, 84, .30);
}

.music-platform-btn--play {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.music-platform-btn--play:hover {
  background: #2d2d2d;
  border-color: #2d2d2d;
  color: #fff;
}

.music-platform-btn[hidden] { display: none; }

.music-chooser[hidden] { display: none; }

.music-chooser {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 24px;
}

.music-chooser__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17,17,17,.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.music-chooser__panel {
  position: relative;
  width: min(440px, 100%);
  padding: 34px;
  border: 1px solid rgba(255,255,255,.6);
  border-radius: var(--radius-md);
  background: rgba(247,245,238,.94);
  box-shadow: 0 24px 80px rgba(17,17,17,.2);
}

.music-chooser__panel .sec-label { margin-bottom: 14px; }
.music-chooser__panel h2 { font-size: clamp(30px, 5vw, 44px); line-height: 1; letter-spacing: -.05em; }
.music-chooser__song { margin-top: 14px; color: var(--muted); font-size: 16px; }

.music-chooser__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.music-chooser__actions { display: grid; gap: 10px; margin-top: 26px; }
.music-chooser__action {
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,.45);
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .25s var(--ease-out), background .25s ease;
}
.music-chooser__action:hover { transform: translateY(-2px); background: #fff; }
.music-chooser__action--app { background: var(--ink); color: var(--paper); }
.music-chooser__action[hidden] { display: none; }

body.music-chooser-open { overflow: hidden; }

/* ---- OptionWheel ---- */
.music-wheel-col {
  height: 500px;
  position: relative;
}

.option-wheel {
  --ow-text-color: var(--muted);
  --ow-active-color: var(--ink);
  --ow-font-size: 2.4rem;
  --ow-inset: 92px;

  position: relative;
  width: 100%; height: 100%;
  overflow: hidden;
  cursor: grab;
  user-select: none;
  touch-action: none;
  outline: none;
  contain: layout paint style;
}

.option-wheel--dragging { cursor: grabbing; }

.option-wheel__item {
  position: absolute;
  top: 50%;
  right: var(--ow-inset);
  white-space: nowrap;
  font-size: var(--ow-font-size);
  line-height: 1;
  font-weight: 400;
  transform-origin: right center;
  cursor: pointer;
  will-change: transform, opacity;
  color: var(--ow-text-color);
}

.option-wheel__item--selected {
  color: var(--ow-active-color);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .music-layout {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .music-wheel-col {
    grid-column: 1 / -1;
    height: 420px;
    transition-delay: .6s;
  }
  .music-heading { font-size: clamp(28px, 7vw, 48px); }
  .music-links-col { transition-delay: .45s; }
}

@media (max-width: 640px) {
  .music { padding: 88px 0; }
  .music-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .music-wheel-col {
    height: 260px;
    transition-delay: .6s;
  }
  .music-heading { font-size: 14vw; }
  .music-cover-card { max-width: 240px; margin: 0 auto; }
  .music-links-col { flex-direction: column; align-items: center; }
  .music-platforms { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .music-platform-btn { min-height: 44px; padding-inline: 10px; }
  .music-group-toggle { min-height: 44px; padding-inline: 16px; }
  .music-song-meta { width: 100%; }
  .option-wheel { --ow-font-size: 1.55rem; --ow-inset: 36px; }
  .option-wheel__item {
    max-width: calc(100% - 72px);
    min-height: 44px;
    padding-block: 9px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (prefers-reduced-motion: reduce) {
  .music-title-col, .music-cover-col, .music-links-col, .music-wheel-col { transition: none; }
  .music-cover-card img { transition: none; }
}

/* ---- END MUSIC SECTION ---- */

/* --------------------------------
   REDUCED MOTION
   -------------------------------- */
@supports (content-visibility: auto) {
  main > section:not(.hero) {
    content-visibility: auto;
    contain-intrinsic-size: auto 900px;
  }
}

@media (max-width: 768px) {
  .ambient-blob { filter: blur(48px); opacity: .18; }
  .nav { backdrop-filter: blur(24px) saturate(1.3); -webkit-backdrop-filter: blur(24px) saturate(1.3); }
  .glow { filter: blur(64px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .ambient-blob { display: none; }
}

/* Keep the editorial scale readable on short laptop displays. */
@media (max-width: 1440px) and (max-height: 900px) {
  :root { --gutter: clamp(24px, 4vw, 56px); }
  .hero-subtitle,
  .creative-subtitle-line,
  .contact-info,
  .footer { font-size: 16px; }
  .hero-scroll-hint,
  .now-item-num,
  .project-number,
  .footer { font-weight: 500; }
  .now-item-desc { font-size: 16px; color: var(--muted); }
  .project-meta { gap: 12px; }
  .project-tag { font-size: 13px; }
  .projects, .music, .creative, .now { padding-block: clamp(104px, 12vh, 160px); }
}