/* ============================================================
   Rhythm Jain — portfolio v2 "cinematic studio"
   Dark canvas · Clash Display + Satoshi · GSAP/Lenis motion
   ============================================================ */

:root {
  --bg: oklch(14% 0.012 290);
  --bg-raise: oklch(18% 0.014 290);
  --bg-deep: oklch(11% 0.01 290);
  --ink: oklch(95% 0.01 80);
  --ink-soft: oklch(72% 0.015 290);
  --ember: oklch(72% 0.19 42);
  --ember-bright: oklch(80% 0.17 50);
  --violet: oklch(55% 0.18 295);
  --line: oklch(95% 0.01 80 / 0.12);
  --line-soft: oklch(95% 0.01 80 / 0.07);

  --font-display: "Clash Display", "Archivo Black", sans-serif;
  --font-body: "Satoshi", "Helvetica Neue", sans-serif;

  --wrap: 1200px;
  --measure: 66ch;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --space: clamp(5rem, 12vw, 10rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --z-marquee: 2;
  --z-head: 50;
  --z-loader: 100;
  --z-cursor: 200;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  text-wrap: balance;
}

p { margin: 0 0 1.1em; max-width: var(--measure); text-wrap: pretty; }

a { color: var(--ink); text-decoration: none; }

p a, .running a {
  color: var(--ember-bright);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }

/* ------------------------------------------------------------
   cursor
   ------------------------------------------------------------ */

.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--ember);
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-100px, -100px);
  mix-blend-mode: difference;
  transition: width 0.25s var(--ease), height 0.25s var(--ease), opacity 0.25s var(--ease);
  opacity: 0;
}

html.has-cursor .cursor { opacity: 1; }
html.has-cursor .cursor.is-on { width: 52px; height: 52px; }

@media (pointer: coarse) { .cursor { display: none; } }

/* ------------------------------------------------------------
   preloader
   ------------------------------------------------------------ */

.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  background: var(--bg-deep);
  display: grid;
  place-items: center;
}

.loader .loader-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 5vw, 3rem);
  letter-spacing: -0.01em;
  overflow: clip;
}

.loader .loader-name > span { display: block; }

html:not(.js) .loader { display: none; }

/* ------------------------------------------------------------
   header
   ------------------------------------------------------------ */

.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-head);
  padding-block: 1.1rem;
  transition: background-color 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
}

.site-head.is-scrolled {
  background: oklch(14% 0.012 290 / 0.75);
  backdrop-filter: blur(14px);
}

.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.wordmark .dot { color: var(--ember); }

.site-nav { display: flex; gap: clamp(1rem, 2.5vw, 2rem); font-size: 0.92rem; font-weight: 500; }

.site-nav a {
  color: var(--ink-soft);
  position: relative;
  padding-block: 0.2rem;
  transition: color 0.2s var(--ease);
}

.site-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1.5px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ------------------------------------------------------------
   hero
   ------------------------------------------------------------ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(7rem, 14vh, 9rem) 0;
  overflow: clip;
}

.aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  filter: blur(70px);
  opacity: 0.55;
}

.aurora .blob {
  position: absolute;
  border-radius: 50%;
}

.aurora .blob.ember {
  width: 44vw; height: 44vw;
  min-width: 420px; min-height: 420px;
  right: -8vw; top: -6vw;
  background: radial-gradient(circle at 35% 35%, oklch(58% 0.19 42 / 0.85), transparent 65%);
}

.aurora .blob.violet {
  width: 38vw; height: 38vw;
  min-width: 380px; min-height: 380px;
  left: -10vw; bottom: -4vw;
  background: radial-gradient(circle at 60% 40%, oklch(45% 0.17 295 / 0.8), transparent 65%);
}

.hero-inner { position: relative; }

.eyebrow {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 1.6rem;
}

.eyebrow .sep { color: var(--ember); margin-inline: 0.45em; }

.hero h1 {
  font-size: clamp(2.7rem, 8.2vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.0;
  margin-bottom: 1.8rem;
  max-width: 14ch;
}

.hero h1 .accent { color: var(--ember); }

.hero .lede {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 54ch;
  margin-bottom: 2.4rem;
}

.hero .lede strong { color: var(--ink); font-weight: 600; }

.actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85em 1.7em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
  will-change: transform;
}

.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-fill { background: var(--ember); color: var(--bg-deep); }
.btn-fill:hover { background: var(--ember-bright); }

.btn-line { border-color: var(--line); color: var(--ink); }
.btn-line:hover { border-color: var(--ember); color: var(--ember-bright); }

.scroll-hint {
  position: absolute;
  bottom: 7.5rem;
  right: var(--pad);
  font-size: 0.82rem;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.scroll-hint .tick {
  display: block;
  width: 1px;
  height: 44px;
  background: var(--line);
  position: relative;
  overflow: clip;
}

.scroll-hint .tick::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ember);
  animation: tickfall 2s var(--ease) infinite;
}

@keyframes tickfall {
  0% { transform: translateY(-100%); }
  55% { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

@media (max-width: 720px) {
  .scroll-hint { display: none; }
}

/* ------------------------------------------------------------
   marquee
   ------------------------------------------------------------ */

.marquee {
  position: relative;
  z-index: var(--z-marquee);
  border-block: 1px solid var(--line);
  padding-block: 1.05rem;
  overflow: clip;
  background: var(--bg);
}

.marquee-track {
  display: flex;
  gap: 3.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
}

.marquee:hover .marquee-track { animation-play-state: paused; }

.marquee-track span {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 3.5rem;
}

.marquee-track span::after {
  content: "✦";
  color: var(--ember);
  font-size: 0.8em;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ------------------------------------------------------------
   sections / shared
   ------------------------------------------------------------ */

section { padding-block: var(--space); position: relative; }

.section-tag {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.section-tag h2 {
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  letter-spacing: -0.02em;
}

.section-tag .count {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ember);
  align-self: flex-start;
  padding-top: 0.5rem;
}

/* statement rows — kept from v1, restyled dark & large */

.statements { list-style: none; margin: 0; padding: 0; }

.statements li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: 1.05rem;
}

.statements li + li { border-top: 1px solid var(--line-soft); }

.statements .label { color: var(--ink-soft); max-width: 70%; }

.statements .leader {
  flex: 1;
  border-bottom: 1px dashed var(--line);
  transform: translateY(-0.32em);
  min-width: 2rem;
}

.statements .value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.45em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  color: var(--ink);
}

.statements .value.hot { color: var(--ember); }

/* proof band on home */

.proof .statements { max-width: 760px; }
.proof .statements .value { font-size: clamp(1.5rem, 3vw, 2.1rem); }

/* ------------------------------------------------------------
   work panels
   ------------------------------------------------------------ */

.panel {
  background: var(--bg-raise);
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  overflow: clip;
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.75rem, 4.5vw, 4rem);
  align-items: center;
}

.panel + .panel { margin-top: clamp(2rem, 4vw, 3rem); }

.panel-kicker {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ember);
  margin-bottom: 0.9rem;
}

.panel h3 {
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.panel .desc { color: var(--ink-soft); }

.panel .statements { margin-block: 1.5rem 1.9rem; max-width: 540px; }
.panel .statements .value { font-size: 1.3em; }

.panel-media { position: relative; }

.media-clip {
  border-radius: 18px;
  overflow: clip;
  position: relative;
}

.media-clip img {
  width: 100%;
  will-change: transform;
}

.phone-stage {
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 90% at 70% 20%, oklch(30% 0.07 42 / 0.55), transparent 60%),
    radial-gradient(120% 90% at 20% 90%, oklch(28% 0.09 295 / 0.5), transparent 60%),
    var(--bg-deep);
  border-radius: 18px;
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
}

.phone-stage img {
  width: min(280px, 72%);
  border-radius: 22px;
  box-shadow: 0 30px 70px -30px oklch(0% 0 0 / 0.7);
  will-change: transform;
}

.media-caption {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 1rem;
  text-align: center;
}

/* dark system diagram */

.sysmap {
  background: var(--bg-deep);
  border-radius: 18px;
  padding: clamp(1.25rem, 3vw, 2.25rem);
}

.sysmap svg { width: 100%; height: auto; display: block; }

/* desk list */

.desk { margin-top: clamp(3.5rem, 7vw, 5.5rem); }

.desk h3 {
  font-size: 1.35rem;
  color: var(--ink-soft);
  font-weight: 500;
  margin-bottom: 0.6rem;
}

.desk-list { list-style: none; margin: 0; padding: 0; }

.desk-list li { border-top: 1px solid var(--line-soft); }
.desk-list li:last-child { border-bottom: 1px solid var(--line-soft); }

.desk-list a {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding-block: 1.5rem;
  transition: padding-left 0.3s var(--ease);
}

.desk-list a:hover { padding-left: 1rem; }

.desk-list .name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  flex: none;
}

.desk-list .what {
  color: var(--ink-soft);
  font-size: 0.95rem;
  flex: 1;
}

.desk-list .ext {
  color: var(--ember);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .desk-list .what { display: none; }
}

/* ------------------------------------------------------------
   experience
   ------------------------------------------------------------ */

.xp { position: relative; }

.xp-line {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line-soft);
}

.xp-line .fill {
  position: absolute;
  inset: 0;
  background: var(--ember);
  transform-origin: top;
  transform: scaleY(0);
}

.xp-list { list-style: none; margin: 0; padding: 0 0 0 clamp(1.5rem, 4vw, 3rem); }

.xp-list li { padding-block: clamp(1.75rem, 4vw, 2.5rem); }

.xp-list li + li { border-top: 1px solid var(--line-soft); }

.xp-when {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ember);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.5rem;
}

.xp-list h3 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 0.3rem; }

.xp-org { color: var(--ink-soft); font-weight: 500; margin-bottom: 0.8rem; }

.xp-list p { color: var(--ink-soft); margin-bottom: 0; }
.xp-list p strong { color: var(--ink); font-weight: 600; }

/* ------------------------------------------------------------
   about
   ------------------------------------------------------------ */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.about-grid .running p { color: var(--ink-soft); }
.about-grid .running strong { color: var(--ink); font-weight: 600; }

.portrait-clip {
  border-radius: 18px;
  overflow: clip;
  position: relative;
}

.portrait-clip img {
  width: 100%;
  filter: saturate(0.9) contrast(1.02);
  will-change: transform;
}

.skill-lines { list-style: none; margin: 1.5rem 0 0; padding: 0; }

.skill-lines li {
  display: flex;
  gap: 0.9rem;
  align-items: baseline;
  padding-block: 0.7rem;
}

.skill-lines li + li { border-top: 1px solid var(--line-soft); }

.skill-lines .k { font-weight: 700; flex: none; width: 6.2rem; font-size: 0.88rem; color: var(--ember); }
.skill-lines .v { color: var(--ink-soft); font-size: 0.95rem; }

/* ------------------------------------------------------------
   footer
   ------------------------------------------------------------ */

.site-foot {
  position: relative;
  overflow: clip;
  padding-block: clamp(5rem, 12vw, 9rem) 2.5rem;
  border-top: 1px solid var(--line-soft);
}

.site-foot .aurora { opacity: 0.4; }

.foot-kicker { color: var(--ink-soft); margin-bottom: 1rem; }

.foot-cta {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 7.5vw, 5.5rem);
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin-bottom: 2.5rem;
  max-width: 16ch;
}

.foot-cta .mail { color: var(--ember); position: relative; display: inline-block; }

.foot-cta .mail::after {
  content: "";
  position: absolute;
  inset: auto 0 0.04em 0;
  height: 2px;
  background: var(--ember);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}

.foot-cta:hover .mail::after { transform: scaleX(1); transform-origin: left; }

.foot-links { display: flex; flex-wrap: wrap; gap: 1.8rem; font-size: 0.95rem; font-weight: 500; }

.foot-links a { color: var(--ink-soft); transition: color 0.2s var(--ease); }
.foot-links a:hover { color: var(--ember-bright); }

.colophon {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ------------------------------------------------------------
   case-study pages
   ------------------------------------------------------------ */

.memo-hero {
  padding-block: clamp(8rem, 18vh, 11rem) clamp(3rem, 6vw, 4.5rem);
  position: relative;
  overflow: clip;
}

.crumb {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  display: inline-block;
  margin-bottom: 2rem;
  transition: color 0.2s var(--ease);
}

.crumb:hover { color: var(--ember-bright); }

.memo-hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin-bottom: 1.4rem;
}

.memo-hero .standfirst {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 56ch;
}

.memo-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.25rem 2rem;
  margin-top: 2.6rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line-soft);
}

.memo-meta .k { font-size: 0.78rem; font-weight: 700; color: var(--ember); margin-bottom: 0.25rem; letter-spacing: 0.04em; }
.memo-meta .v { font-weight: 500; color: var(--ink); }

.memo section { padding-block: clamp(3rem, 7vw, 5rem); }
.memo section + section { border-top: 1px solid var(--line-soft); }

.memo h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 1.4rem; }

.memo .running p { color: var(--ink-soft); }
.memo .running strong { color: var(--ink); font-weight: 600; }

.memo .two-col {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

/* decision log */

.declist {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: decision;
}

.declist > li {
  counter-increment: decision;
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem 1.6rem;
  padding-block: clamp(1.75rem, 4vw, 2.4rem);
}

.declist > li + li { border-top: 1px solid var(--line-soft); }

.declist > li::before {
  content: counter(decision, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--ember);
  line-height: 1.1;
}

.declist h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); margin-bottom: 0.6rem; }

.declist p { color: var(--ink-soft); margin-bottom: 0.6em; }
.declist p strong { color: var(--ink); font-weight: 600; }

.declist .result { color: var(--ink); font-weight: 500; }
.declist .result::before { content: "→ "; color: var(--ember); font-weight: 700; }

/* next-case footer */

.next-case {
  border-top: 1px solid var(--line-soft);
  padding-block: clamp(3.5rem, 8vw, 5.5rem);
  position: relative;
  overflow: clip;
}

.next-case .hint { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 0.6rem; }

.next-case .title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 4.4vw, 3.2rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
  transition: color 0.25s var(--ease);
}

.next-case a:hover .title { color: var(--ember-bright); }

/* ------------------------------------------------------------
   responsive
   ------------------------------------------------------------ */

@media (max-width: 900px) {
  .panel,
  .about-grid,
  .memo .two-col { grid-template-columns: 1fr; }

  .panel-media { order: -1; }

  .declist > li { grid-template-columns: 3rem 1fr; }
}

@media (max-width: 640px) {
  .site-nav { gap: 0.9rem; font-size: 0.85rem; }
  .site-nav a.hide-s { display: none; }
  .statements .label { max-width: 60%; }
}

/* ------------------------------------------------------------
   reduced motion
   ------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .marquee-track { animation: none; transform: none; }
  .scroll-hint .tick::after { animation: none; }
  .loader { display: none !important; }
  .cursor { display: none; }
}