/* ====================================================================
   aidevelopment.in — hub stylesheet
   Direction: technicolor bento catalog.
   Light cream canvas, saturated color tiles for each project, a mix of
   Instrument Serif (warm, humanist) and JetBrains Mono (technical).
   ==================================================================== */

:root {
  /* canvas */
  --canvas: #f5f1e8;
  --canvas-deep: #ece6d8;
  --ink: #161413;
  --ink-soft: #2e2a26;
  --ink-muted: #7c7670;
  --rule: #d8d0bf;

  /* project accents */
  --interview: #d2492a;
  --interview-deep: #8c2f1a;
  --interview-fg: #f8f1e3;

  --meeting: #2746d9;
  --meeting-deep: #1a2d8c;
  --meeting-fg: #f0eede;

  --pm: #1a8c6e;
  --pm-deep: #0e5a47;
  --pm-fg: #f4ecda;

  --cab: #d99b1f;
  --cab-deep: #8a6113;
  --cab-fg: #2a1f08;

  --momento: #c43079;
  --momento-deep: #821a4d;
  --momento-fg: #fcefe2;

  /* typography */
  --serif: "Instrument Serif", "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

/* ---------- reset / base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--canvas);
  background-image:
    radial-gradient(
      circle at 1px 1px,
      rgba(22, 20, 19, 0.06) 1px,
      transparent 0
    );
  background-size: 4px 4px;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

::selection {
  background: var(--interview);
  color: var(--interview-fg);
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--canvas);
}
::-webkit-scrollbar-thumb {
  background: var(--rule);
  border-radius: 999px;
  border: 2px solid var(--canvas);
}

/* ---------- typography utilities ---------- */

.display {
  font-family: var(--serif);
  font-size: clamp(56px, 9vw, 120px);
  line-height: 0.93;
  letter-spacing: -0.025em;
  color: var(--ink);
  font-weight: 400;
}

.display-small {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.015em;
}

.italic {
  font-family: var(--serif);
  font-style: italic;
}

.lede {
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 52ch;
  margin-top: 24px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.rule-inline {
  display: inline-block;
  width: 20px;
  margin: 0 6px;
  vertical-align: 1px;
}

.ink-link {
  position: relative;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 100%;
  padding-bottom: 1px;
  transition: background-size 0.4s cubic-bezier(0.65, 0, 0.35, 1);
}
.ink-link:hover {
  background-size: 0% 1px;
  background-position: 100% 100%;
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  background: color-mix(in oklab, var(--canvas) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 50;
}

.masthead-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.wordmark-mark {
  font-size: 22px;
  line-height: 1;
  color: var(--interview);
  transform: translateY(-1px);
}

.wordmark-text {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.01em;
}
.wordmark-text .italic {
  color: var(--ink-soft);
  font-style: italic;
}

.masthead-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.masthead-meta .sep {
  color: var(--rule);
}

@media (max-width: 700px) {
  .masthead-meta {
    display: none;
  }
}

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

main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
}

.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--rule);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 48px;
  align-items: end;
}

.hero-text {
  grid-column: span 8;
}

.hero-aside {
  grid-column: span 4;
  border-left: 1px solid var(--rule);
  padding: 6px 0 6px 24px;
}

@media (max-width: 900px) {
  .hero {
    padding: 64px 0 56px;
  }
  .hero-text,
  .hero-aside {
    grid-column: span 12;
  }
  .hero-aside {
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding: 32px 0 0;
  }
}

.aside-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.aside-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.aside-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-soft);
}

.aside-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--interview);
  min-width: 24px;
}

.aside-footer {
  margin-top: 24px;
  font-size: 11px;
  font-style: italic;
  color: var(--ink-muted);
  font-family: var(--serif);
}

/* ---------- bento grid ---------- */

.grid {
  padding: 80px 0;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 20px;
}

.tile {
  position: relative;
  padding: 28px;
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  isolation: isolate;
  cursor: pointer;
}

.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle at 1px 1px,
    rgba(255, 255, 255, 0.12) 1px,
    transparent 0
  );
  background-size: 14px 14px;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.tile > * {
  position: relative;
  z-index: 1;
}

.tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -20px rgba(22, 20, 19, 0.4);
}

.tile:hover .arrow {
  transform: translate(4px, -4px);
}

/* Tile sizes */
.tile-large {
  grid-column: span 8;
  grid-row: span 2;
}
.tile-meeting,
.tile-momento {
  grid-column: span 4;
}
.tile-pm,
.tile-cab {
  grid-column: span 6;
}

@media (max-width: 1100px) {
  .tile-large {
    grid-column: span 12;
    grid-row: span 1;
    min-height: 460px;
  }
  .tile-meeting,
  .tile-momento {
    grid-column: span 6;
  }
}

@media (max-width: 700px) {
  .grid {
    gap: 16px;
  }
  .tile,
  .tile-large,
  .tile-meeting,
  .tile-momento,
  .tile-pm,
  .tile-cab {
    grid-column: span 12;
    min-height: 280px;
  }
}

/* Tile color skins */
.tile-interview {
  background: var(--interview);
  color: var(--interview-fg);
}
.tile-meeting {
  background: var(--meeting);
  color: var(--meeting-fg);
}
.tile-pm {
  background: var(--pm);
  color: var(--pm-fg);
}
.tile-cab {
  background: var(--cab);
  color: var(--cab-fg);
}
.tile-momento {
  background: var(--momento);
  color: var(--momento-fg);
}

.tile-corner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.tile-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1;
}

.tile-status {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.75;
  padding: 4px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.tile-bottom {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tile-tagline {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.75;
}

.tile-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.tile-large .tile-name {
  font-size: clamp(48px, 6vw, 88px);
}

.tile-desc {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  max-width: 48ch;
  opacity: 0.95;
}

.tile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.meta-pill {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: 0.85;
}

.tile-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.arrow {
  font-size: 18px;
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- colophon ---------- */

.colophon {
  padding: 96px 0 64px;
  border-top: 1px solid var(--rule);
}

.col-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px;
  align-items: start;
}

.col-grid > div:first-of-type {
  grid-column: span 8;
}

.col-grid > .contact-list {
  grid-column: span 4;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-left: 1px solid var(--rule);
  padding-left: 24px;
}

.col-grid .contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--mono);
  font-size: 13px;
}

@media (max-width: 900px) {
  .col-grid > div:first-of-type,
  .col-grid > .contact-list {
    grid-column: span 12;
  }
  .col-grid > .contact-list {
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: 24px;
  }
}

.display-small {
  margin-top: 12px;
}

.colophon-body {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 56ch;
}

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

footer {
  border-top: 1px solid var(--rule);
  padding: 24px 32px;
  max-width: 1400px;
  margin: 0 auto;
}

footer p {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

footer .sep {
  color: var(--rule);
}

/* ---------- entrance animations ---------- */

@keyframes lift-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lift-in {
  animation: lift-in 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.delay-1 {
  animation-delay: 60ms;
}
.delay-2 {
  animation-delay: 180ms;
}
.delay-3 {
  animation-delay: 300ms;
}
.delay-4 {
  animation-delay: 440ms;
}
.delay-5 {
  animation-delay: 580ms;
}
.delay-6 {
  animation-delay: 720ms;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}