/* Chetna marketing site */

:root {
  --ink: #0c1210;
  --ink-soft: #1a2420;
  --muted: #5c6b63;
  --line: rgba(12, 18, 16, 0.12);
  --paper: #f3f6f4;
  --paper-deep: #e6ece8;
  --mist: #d5e0da;
  --accent: #0d6b5c;
  --accent-hover: #0a5549;
  --accent-soft: rgba(13, 107, 92, 0.12);
  --surface: #ffffff;
  --code-bg: #121916;
  --code-fg: #d7e4dc;
  --danger: #b84a3a;
  --ok: #2f8f6b;

  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 4rem;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 10% -10%, #dff0e8 0%, transparent 55%),
    radial-gradient(90% 70% at 100% 0%, #cfe0d8 0%, transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, #eef3f0 40%, var(--paper-deep) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

code,
kbd {
  font-family: var(--font-mono);
  font-size: 0.86em;
}

code {
  padding: 0.12em 0.35em;
  background: var(--accent-soft);
  border-radius: 3px;
}

kbd {
  display: inline-block;
  padding: 0.1em 0.4em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--surface);
  font-size: 0.8em;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* —— Nav —— */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--nav-h);
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(243, 246, 244, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(243, 246, 244, 0.92);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.nav-brand img {
  filter: brightness(0) saturate(100%);
}

.nav-links {
  display: flex;
  gap: 1.75rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s var(--ease);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-cta {
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.45rem 0.95rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 4px;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.nav-cta:hover {
  background: var(--ink-soft);
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #f4faf7;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  grid-template-rows: auto 1fr;
  padding: clamp(2rem, 5vw, 3.5rem) 0 0;
  overflow: hidden;
}

.hero-copy {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.hero-brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.6rem, 12vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
  color: var(--ink);
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s var(--ease) 0.05s forwards;
}

.hero-headline {
  margin: 1.1rem 0 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.85s var(--ease) 0.18s forwards;
}

.hero-sub {
  margin: 1rem 0 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.85s var(--ease) 0.3s forwards;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.85s var(--ease) 0.42s forwards;
}

.hero-stage {
  position: relative;
  width: 100%;
  min-height: min(52vh, 520px);
  margin-top: auto;
  padding: 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(12, 18, 16, 0.04) 30%, #0f1714 100%);
}

.product-shell {
  width: min(100% - 1.5rem, 1080px);
  margin: 0 auto;
  border-radius: 10px 10px 0 0;
  overflow: hidden;
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: none;
  box-shadow: 0 -24px 80px rgba(12, 18, 16, 0.18);
  transform: translateY(40px);
  opacity: 0;
  animation: stage-in 1.1s var(--ease) 0.35s forwards;
}

.product-chrome {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1rem;
  background: #18211d;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.product-dots {
  display: flex;
  gap: 0.35rem;
}

.product-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.product-tabs {
  display: flex;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.product-tabs .tab {
  padding: 0.25rem 0.55rem;
  border-radius: 3px;
  color: rgba(215, 228, 220, 0.45);
}

.product-tabs .tab.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--code-fg);
}

.product-body {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  min-height: 320px;
}

.editor-pane {
  padding: 1.1rem 1.25rem;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.code-block {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.1vw, 0.82rem);
  line-height: 1.65;
  white-space: pre-wrap;
}

.code-block .kw { color: #7ec9b0; }
.code-block .fn { color: #e8d9a8; }
.code-block .str { color: #9bb8e8; }
.code-block .cm { color: rgba(215, 228, 220, 0.4); }

.chat-pane {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1rem;
  background: #101714;
}

.chat-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #7ec9b0;
}

.chat-bubble {
  padding: 0.7rem 0.85rem;
  border-radius: 6px;
  font-size: 0.82rem;
  line-height: 1.45;
}

.chat-bubble.user {
  align-self: flex-end;
  max-width: 92%;
  background: rgba(126, 201, 176, 0.14);
  color: #d7e4dc;
}

.chat-bubble.assistant {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.chat-bubble.assistant p {
  margin: 0 0 0.55rem;
}

.chat-bubble .path {
  font-family: var(--font-mono);
  font-size: 0.78em;
  color: #9bb8e8;
}

.diff-chip {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.55rem 0.65rem;
  background: rgba(0, 0, 0, 0.28);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.diff-meta {
  color: rgba(215, 228, 220, 0.5);
}

.diff-line.add {
  color: #7ec9b0;
}

.chat-tools {
  display: flex;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.4rem;
}

.chat-tools span {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.45rem;
  border-radius: 3px;
  color: rgba(215, 228, 220, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.chat-tools span.on {
  color: #7ec9b0;
  border-color: rgba(126, 201, 176, 0.35);
}

@media (max-width: 820px) {
  .product-body {
    grid-template-columns: 1fr;
  }

  .editor-pane {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    min-height: 160px;
  }
}

/* —— Bands —— */
.band {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.band-inner {
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.band-title {
  margin: 0;
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.band-lead {
  margin: 1.15rem 0 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.12rem;
}

/* Context */
.band-context {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.35) 20%, rgba(255, 255, 255, 0.35) 80%, transparent);
}

.feature-rail {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.feature-rail li {
  padding: 1.5rem 1.5rem 0 0;
  border-right: 1px solid var(--line);
}

.feature-rail li:last-child {
  border-right: none;
  padding-right: 0;
}

.feature-rail li:first-child {
  padding-left: 0;
}

.feature-rail strong {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.feature-rail span {
  color: var(--muted);
  font-size: 0.98rem;
}

@media (max-width: 760px) {
  .feature-rail {
    grid-template-columns: 1fr;
  }

  .feature-rail li {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 1.35rem 0;
  }

  .feature-rail li:last-child {
    border-bottom: none;
  }
}

/* Edits split */
.band-edits {
  background: var(--ink);
  color: var(--paper);
}

.band-edits .eyebrow {
  color: #7ec9b0;
}

.band-edits .band-lead {
  color: rgba(243, 246, 244, 0.62);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.diff-panel {
  background: #121916;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  overflow: hidden;
}

.diff-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(243, 246, 244, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.diff-actions {
  display: flex;
  gap: 0.4rem;
}

.diff-actions button {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 3px;
  border: none;
  background: var(--accent);
  color: #f4faf7;
  cursor: default;
}

.diff-actions button.ghost {
  background: transparent;
  color: rgba(243, 246, 244, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.diff-body {
  margin: 0;
  padding: 1rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  white-space: pre;
  overflow-x: auto;
}

.diff-body .rm {
  display: block;
  color: #e08a7a;
}

.diff-body .ad {
  display: block;
  color: #7ec9b0;
}

/* Models */
.model-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-top: 2.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.8vw, 1.85rem);
  letter-spacing: -0.03em;
  color: var(--ink);
}

.model-line .sep {
  width: 1.5rem;
  height: 1px;
  background: var(--line);
}

/* Workflow */
.band-workflow {
  border-top: 1px solid var(--line);
}

.steps {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.steps li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 0.2rem;
}

.steps strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
  max-width: 36rem;
}

/* Install */
.band-install {
  background:
    radial-gradient(70% 80% at 80% 20%, rgba(13, 107, 92, 0.1), transparent 60%),
    linear-gradient(180deg, var(--paper-deep), #e2ebe6);
}

.install-steps {
  list-style: none;
  margin: 2.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
}

.install-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.install-steps p {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
}

.install-steps em {
  font-style: normal;
  color: var(--ink);
  font-weight: 600;
}

.install-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

/* Release */
.band-release .band-title {
  max-width: none;
  font-variant-numeric: tabular-nums;
}

.release-points {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 36rem;
}

.release-points li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.release-points li:last-child {
  border-bottom: 1px solid var(--line);
}

.release-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.release-meta {
  margin: 1.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(255, 255, 255, 0.35);
}

.footer-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
}

.footer-tag {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-copy {
  margin: 0 0 0 auto;
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 560px) {
  .footer-copy {
    margin-left: 0;
    width: 100%;
  }
}

/* —— Motion —— */
@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes stage-in {
  to {
    opacity: 1;
    transform: translateY(12px);
  }
}

.reveal-up,
.feature-rail li,
.steps li,
.install-steps li,
.release-points li {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal-up.is-visible,
.feature-rail li.is-visible,
.steps li.is-visible,
.install-steps li.is-visible,
.release-points li.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .hero-brand,
  .hero-headline,
  .hero-sub,
  .hero-cta,
  .product-shell,
  .reveal-up,
  .feature-rail li,
  .steps li,
  .install-steps li,
  .release-points li {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}