/* studies — kimo (https://getkimo.tech/studies/) */

@font-face {
  font-family: "Inter";
  src: url("/assets/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Manrope";
  src: url("/assets/Manrope.ttf") format("truetype");
  font-weight: 200 800;
  font-display: swap;
}

:root {
  --ink: #0a0a0b;
  --ink-2: #080809;
  --ink-3: #131315;
  --paper: #eeeae1;
  --paper-2: #f5f1e7;
  --orange: #ff5a24;
  --smoke: #85827b;
  --line-d: rgba(245, 241, 231, 0.12);
  --line-l: rgba(10, 10, 11, 0.14);
  --g: clamp(20px, 3.4vw, 56px);
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --word: "Manrope", "Inter", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", "Inter", monospace;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur-fast: 180ms;
  --dur-state: 400ms;
  --dur-reveal: 1000ms;
  --nav-h: 65px;
}

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

[hidden] {
  display: none !important;
}

html {
  background: var(--ink);
  color: var(--paper-2);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font: 400 16px/1.6 var(--sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--ink);
  color: var(--paper-2);
  overflow-x: clip;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
p,
ol,
ul,
dl,
dd,
pre {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  border-radius: 4px;
}

.mono {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  text-transform: lowercase;
}

.wrap {
  width: 100%;
  max-width: 1480px;
  margin-inline: auto;
  padding-inline: var(--g);
}

.skip {
  position: fixed;
  left: 16px;
  top: -64px;
  z-index: 200;
  background: var(--orange);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  transition: top var(--dur-fast) var(--ease);
}

.skip:focus {
  top: 12px;
  outline: 2px solid var(--paper-2);
}

/* ---------- Sticky Top Nav (identical across kimo subpages) ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 12px var(--g);
  background: rgba(10, 10, 11, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-d);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font: 700 22px/1 var(--word);
  letter-spacing: -0.03em;
  color: var(--paper-2);
  white-space: nowrap;
}

.brand img {
  width: 22px;
  height: 24px;
  flex: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: 99px;
  color: rgba(245, 241, 231, 0.7);
  white-space: nowrap;
  transition:
    color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease);
}

.nav-links a:hover,
.nav-links a.on,
.nav-links a[aria-current="page"] {
  color: var(--paper-2);
  background: rgba(245, 241, 231, 0.09);
}

.nav-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 10px 18px;
  border-radius: 99px;
  background: var(--paper-2);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition:
    background var(--dur-fast) var(--ease),
    transform var(--dur-state) var(--ease);
}

.nav-cta:hover {
  background: var(--orange);
  transform: translateY(-1px);
}

/* ---------- Index Hero ---------- */
.hero {
  padding: clamp(56px, 9vh, 108px) 0 clamp(40px, 6vh, 72px);
  border-bottom: 1px solid var(--line-d);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.eyebrow {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.hero-title {
  font: 700 clamp(38px, 6.2vw, 88px)/0.96 var(--word);
  letter-spacing: -0.045em;
  color: var(--paper-2);
  max-width: 18ch;
  text-wrap: balance;
}

.hero-lede {
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.55;
  color: rgba(245, 241, 231, 0.74);
  max-width: 58ch;
}

/* ---------- Studies Grid ---------- */
.studies-section {
  padding: clamp(44px, 7vh, 88px) 0 clamp(80px, 12vh, 140px);
}

.studies-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 2.6vw, 36px);
}

.study-card {
  position: relative;
  border-radius: 14px;
  border: 1px solid var(--line-d);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease);
}

.study-card:hover,
.study-card:focus-within {
  border-color: rgba(245, 241, 231, 0.28);
}

.card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  outline: none;
}

.card-link:focus-visible {
  outline: none;
}

.study-card:has(.card-link:focus-visible) {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* Film-strip sprocket perforations along top and bottom edge of each card */
.card-sprocket {
  height: 12px;
  padding: 3px 12px;
  background-color: var(--ink-2);
  background-image: repeating-linear-gradient(
    90deg,
    var(--ink-3) 0px,
    var(--ink-3) 9px,
    transparent 9px,
    transparent 20px
  );
  background-size: 100% 6px;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 1px solid rgba(245, 241, 231, 0.06);
  pointer-events: none;
}

.card-sprocket--bottom {
  border-bottom: 0;
  border-top: 1px solid rgba(245, 241, 231, 0.06);
}

.card-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--ink-3);
}

.card-media {
  position: relative;
  width: 100%;
  height: 100%;
  transform: scale(1);
  transition: transform var(--dur-state) var(--ease);
  will-change: transform;
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .study-card:hover .card-media,
  .study-card:focus-within .card-media {
    transform: scale(1.02);
  }
}

.card-poster,
.card-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-video {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-state) var(--ease);
}

.card-video.is-playing {
  opacity: 1;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background: var(--ink-2);
  border-top: 1px solid var(--line-d);
}

.card-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.card-num {
  color: var(--smoke);
  font-size: 12px;
  transition: color var(--dur-fast) var(--ease);
}

.study-card:hover .card-num,
.study-card:focus-within .card-num {
  color: var(--orange);
}

.card-title {
  font: 700 clamp(22px, 2vw, 30px)/1.1 var(--word);
  letter-spacing: -0.035em;
  color: var(--paper-2);
  text-transform: lowercase;
}

.card-logline {
  font-size: 14.5px;
  line-height: 1.5;
  color: rgba(245, 241, 231, 0.72);
  max-width: 60ch;
}

/* ---------- Detail View ---------- */
.view-detail {
  padding-bottom: clamp(72px, 11vh, 130px);
}

.detail-bar {
  border-bottom: 1px solid var(--line-d);
  background: var(--ink);
}

.detail-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding-block: 10px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  color: rgba(245, 241, 231, 0.78);
  transition: color var(--dur-fast) var(--ease);
}

.back-link:hover {
  color: var(--orange);
}

.detail-bar-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--smoke);
}

/* Full-bleed player with black letterbox and max-height 80vh */
.player-letterbox {
  width: 100%;
  background: #000000;
  border-bottom: 1px solid var(--line-d);
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-player {
  width: 100%;
  max-height: 80vh;
  aspect-ratio: 16 / 9;
  background: #000000;
  object-fit: contain;
  margin-inline: auto;
}

/* Two-column detail block */
.detail-content {
  padding-top: clamp(36px, 5.5vh, 64px);
}

.detail-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(28px, 4.5vw, 64px);
  align-items: start;
}

.detail-col-left {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.detail-heading-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.detail-kicker {
  color: var(--orange);
  font-size: 13px;
}

.detail-title {
  font: 700 clamp(36px, 4.8vw, 68px)/0.98 var(--word);
  letter-spacing: -0.045em;
  color: var(--paper-2);
  text-transform: lowercase;
}

.detail-left-extra {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.detail-left-extra:empty {
  display: none;
}

.detail-logline {
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: rgba(245, 241, 231, 0.82);
  max-width: 58ch;
}

.detail-duration {
  color: var(--smoke);
  font-size: 12px;
}

.detail-col-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.detail-tools-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.detail-section-label {
  color: var(--smoke);
  font-size: 11px;
}

.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--ink-3);
  border: 1px solid var(--line-d);
  color: var(--paper-2);
  transition:
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}

.tool-link:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 11px 20px;
  border-radius: 10px;
  background: var(--paper-2);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  transition:
    background var(--dur-fast) var(--ease),
    transform var(--dur-state) var(--ease);
}

.download-btn:hover {
  background: var(--orange);
  transform: translateY(-1px);
}

/* Copyable mono blocks (prompt & agent snippet) */
.agent-box,
.prompt-box {
  border-radius: 14px;
  background: var(--ink-3);
  border: 1px solid var(--line-d);
  overflow: hidden;
}

.agent-box-bar,
.prompt-box-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px 9px 16px;
  border-bottom: 1px solid var(--line-d);
  background: var(--ink-2);
}

.agent-box-label,
.prompt-box-label {
  font-size: 11px;
  color: var(--smoke);
}

.copy-pill {
  padding: 4px 11px;
  border-radius: 99px;
  border: 1px solid rgba(245, 241, 231, 0.2);
  font-size: 11px;
  color: var(--paper-2);
  transition:
    background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
}

.copy-pill:hover,
.copy-pill.is-copied {
  background: var(--orange);
  color: var(--ink);
  border-color: var(--orange);
}

.agent-box-pre,
.prompt-box-pre {
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper-2);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.agent-box-pre code,
.prompt-box-pre code {
  font-family: var(--mono);
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0.01em;
}

/* Prev / Next study pager */
.detail-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(48px, 7vh, 84px);
  padding-top: clamp(28px, 4vh, 44px);
  border-top: 1px solid var(--line-d);
}

.pager-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border-radius: 14px;
  background: var(--ink-2);
  border: 1px solid var(--line-d);
  transition: border-color var(--dur-fast) var(--ease);
}

.pager-card--next {
  text-align: right;
  align-items: flex-end;
}

.pager-card:hover {
  border-color: var(--orange);
}

.pager-label {
  color: var(--smoke);
  font-size: 11px;
}

.pager-study {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.pager-num {
  color: var(--orange);
  font-size: 12px;
}

.pager-title {
  font: 700 clamp(20px, 2vw, 28px)/1.1 var(--word);
  letter-spacing: -0.03em;
  color: var(--paper-2);
  text-transform: lowercase;
}

/* ---------- Footer (identical on every kimo subpage) ---------- */
.foot {
  background: var(--ink);
  padding: clamp(36px, 6vh, 64px) 0 0;
  border-top: 1px solid var(--line-d);
  overflow: hidden;
}

.foot-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-bottom: clamp(32px, 5vh, 56px);
  border-bottom: 1px solid var(--line-d);
  color: var(--smoke);
  text-transform: uppercase;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.foot-row a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease);
}

.foot-row a:hover {
  color: var(--orange);
}

.foot-lock {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2.4vw;
  padding-inline: var(--g);
  margin-top: clamp(24px, 4vh, 44px);
  transform: translateY(14%);
}

.foot-lock img {
  width: 13.5vw;
  max-width: 190px;
  height: auto;
  transform: translateY(-1.4vw);
}

.foot-lock span {
  font: 700 clamp(84px, 25vw, 360px)/0.74 var(--word);
  letter-spacing: -0.07em;
  color: var(--paper-2);
}

/* ---------- Responsive (<760px) ---------- */
@media (max-width: 759px) {
  :root {
    --nav-h: 53px;
  }

  .nav {
    grid-template-columns: 1fr auto;
    gap: 8px;
    padding-block: 8px;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    min-height: 36px;
    padding: 7px 14px;
  }

  .studies-grid {
    grid-template-columns: 1fr;
  }

  .detail-columns {
    grid-template-columns: 1fr;
  }

  .detail-pager {
    grid-template-columns: 1fr;
  }

  .pager-card--next {
    text-align: left;
    align-items: flex-start;
  }

  .esc-label,
  .detail-bar-meta span[aria-hidden="true"] {
    display: none;
  }

  .foot-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0s !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .card-media {
    transform: none !important;
  }

  .card-video {
    display: none !important;
  }
}

/* nav: page links stay visible on phones and scroll sideways */
@media (max-width: 760px) {
  .nav { grid-template-columns: auto minmax(0, 1fr) auto !important; gap: 8px; }
  .nav-links { display: flex !important; justify-self: end; justify-content: flex-start; min-width: 0; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { flex: none; padding: 6px 9px; font-size: 12px; min-height: 0; }
}
@media (max-width: 480px) { .nav-cta { display: none !important; } }