/* ============================================================
   Pratibha Analytics — Agentic AI SaaS Product Studio
   Dark editorial-tech · Archivo / Instrument Serif / Plex Mono
   ============================================================ */

:root {
  --bg: #0a0a0f;
  --bg-raise: #101018;
  --bg-card: #12121c;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --ink: #ecebf3;
  --ink-dim: #a5a3b8;
  --ink-faint: #6d6b80;
  /* var names are historical — values now carry the brand palette:
     --indigo = brand orange (primary accent), --amber = brand green (Vriddhi) */
  --indigo: #e26a40;
  --indigo-soft: rgba(226, 106, 64, 0.14);
  --amber: #5fbf82;
  --amber-soft: rgba(95, 191, 130, 0.12);
  --green: #4ade80;
  --font-display: "Archivo", sans-serif;
  --font-serif: "Instrument Serif", serif;
  --font-mono: "IBM Plex Mono", monospace;
  --max: 1200px;
  --pad: clamp(20px, 5vw, 48px);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2000;
  opacity: 0.5;
  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='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

::selection { background: var(--indigo); color: #fff; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

/* ---------------- header ---------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 10, 15, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.logo .mark-img {
  height: 65px;
  width: 65px;
  object-fit: contain;
  align-self: center;
  background: #fff;
  border-radius: 50%;
  padding: 5px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 0 16px rgba(226, 106, 64, 0.25);
}

.logo > span:not(.tag) { color: var(--amber); }

.logo .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.nav { display: flex; align-items: center; gap: 32px; }

.nav a.nav-link {
  font-size: 14px;
  color: var(--ink-dim);
  transition: color 0.2s;
  position: relative;
}

.nav a.nav-link:hover, .nav a.nav-link.active { color: var(--ink); }

.nav a.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--indigo);
  border-radius: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
  font-family: var(--font-display);
}

.btn-primary {
  background: var(--indigo);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(226, 106, 64, 0.35);
}

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

.btn-ghost:hover { border-color: var(--indigo); color: #fff; transform: translateY(-2px); }

.btn-sm { padding: 8px 18px; font-size: 13px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  width: 40px; height: 40px;
  font-size: 18px;
  cursor: pointer;
}

/* ---------------- hero ---------------- */
.hero {
  position: relative;
  padding-top: clamp(140px, 20vh, 200px);
  padding-bottom: clamp(60px, 10vh, 110px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -30%; right: -15%;
  width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(226, 106, 64, 0.16) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 60% 10%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 60% 10%, black 0%, transparent 70%);
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--indigo);
  margin-bottom: 28px;
}

.hero .eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--indigo);
  box-shadow: 0 0 12px var(--indigo);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero h1 {
  font-size: clamp(42px, 7vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 700;
  max-width: 14ch;
}

.hero h1 .serif-accent {
  color: var(--indigo);
  font-size: 1.04em;
}

.hero .sub {
  margin-top: 28px;
  max-width: 56ch;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--ink-dim);
  line-height: 1.65;
}

.hero .cta-row {
  margin-top: 40px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* staggered load reveal */
.load-reveal { opacity: 0; transform: translateY(24px); animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) forwards; }
.d1 { animation-delay: 0.05s; }
.d2 { animation-delay: 0.18s; }
.d3 { animation-delay: 0.32s; }
.d4 { animation-delay: 0.46s; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------------- ticker ---------------- */
.ticker {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 16px 0;
  background: var(--bg-raise);
}

.ticker-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: scroll 36s linear infinite;
}

.ticker-track span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 56px;
}

.ticker-track span::after { content: "✦"; color: var(--indigo); }

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

/* ---------------- sections ---------------- */
.section { padding: clamp(72px, 12vh, 130px) 0; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(40px, 6vh, 64px);
  flex-wrap: wrap;
}

.section-head .kicker { color: var(--indigo); margin-bottom: 14px; display: block; }

.section-head h2 {
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  font-weight: 700;
  max-width: 20ch;
}

.section-head .lede {
  max-width: 44ch;
  color: var(--ink-dim);
  font-size: 16px;
}

/* scroll reveal — only hidden when JS is running (html.js set by main.js) */
html.js .reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1); }
html.js .reveal.in { opacity: 1; transform: translateY(0); }

/* ---------------- product panels ---------------- */
.product {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-card);
  margin-bottom: 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.product:hover { border-color: var(--line-strong); transform: translateY(-3px); }

.product-body { padding: clamp(32px, 5vw, 56px); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

.status-launching { background: var(--indigo-soft); color: var(--indigo); }
.status-beta { background: var(--amber-soft); color: var(--amber); }
.status-lab { background: rgba(255, 255, 255, 0.06); color: var(--ink-faint); }

.product h3 {
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.product h3 .serif-accent { color: var(--ink-dim); }

.product p.desc { color: var(--ink-dim); max-width: 48ch; margin-bottom: 26px; }

.feature-list { list-style: none; margin-bottom: 32px; }

.feature-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 0;
  color: var(--ink-dim);
  font-size: 15px;
  border-bottom: 1px dashed var(--line);
}

.feature-list li::before {
  content: "→";
  color: var(--indigo);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.product.vriddhi .feature-list li::before { color: var(--amber); }

.product-visual {
  position: relative;
  min-height: 320px;
  border-left: 1px solid var(--line);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.product.vriddhi .product-visual { border-left: none; border-right: 1px solid var(--line); }

/* AccountAIAgent visual: ledger stream */
.visual-account { background: radial-gradient(ellipse at 70% 30%, rgba(226, 106, 64, 0.12), transparent 60%); width: 100%; height: 100%; position: absolute; inset: 0; }

.big-stat {
  position: relative;
  text-align: center;
  padding: 32px;
}

.big-stat .num {
  font-size: clamp(64px, 8vw, 110px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(180deg, #fff, var(--indigo));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.big-stat .label { margin-top: 12px; color: var(--ink-faint); }

.big-stat.amber .num { background: linear-gradient(180deg, #fff, var(--amber)); -webkit-background-clip: text; background-clip: text; }

.visual-rows {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 24px 0;
  opacity: 0.35;
  pointer-events: none;
}

.visual-rows .row {
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
  color: var(--ink-faint);
  animation: drift 22s linear infinite;
}

.visual-rows .row:nth-child(even) { animation-duration: 30s; animation-direction: reverse; }

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* network visual for vriddhi */
.visual-network { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 60%, rgba(95, 191, 130, 0.1), transparent 60%); }

.net-graph {
  position: absolute;
  inset: 8%;
  width: 84%;
  height: 84%;
  animation: float 7s ease-in-out infinite;
}

.node {
  position: absolute;
  border-radius: 50%;
  background: var(--amber);
  opacity: 0.7;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ---------------- pipeline ---------------- */
.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pipe-card {
  border: 1px dashed var(--line-strong);
  border-radius: 16px;
  padding: 32px 28px;
  background: transparent;
  transition: border-color 0.3s, background 0.3s;
}

.pipe-card:hover { border-color: var(--indigo); background: var(--indigo-soft); }

.pipe-card .mono { color: var(--ink-faint); display: block; margin-bottom: 16px; }

.pipe-card h4 { font-size: 19px; letter-spacing: -0.02em; margin-bottom: 10px; }

.pipe-card p { font-size: 14px; color: var(--ink-dim); }

/* ---------------- studio strip ---------------- */
.studio-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-raise);
}

.studio-strip .inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  padding: clamp(56px, 9vh, 96px) 0;
}

.studio-strip blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.4;
  color: var(--ink);
}

.studio-strip cite {
  display: block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.studio-strip .story p { color: var(--ink-dim); margin-bottom: 18px; }

/* ---------------- values / philosophy cards ---------------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.value-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 36px 30px;
  background: var(--bg-card);
  transition: border-color 0.3s, transform 0.3s;
}

.value-card:hover { border-color: var(--indigo); transform: translateY(-4px); }

.value-card .idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--indigo);
  display: block;
  margin-bottom: 20px;
}

.value-card h4 { font-size: 20px; letter-spacing: -0.02em; margin-bottom: 12px; }

.value-card p { font-size: 14.5px; color: var(--ink-dim); }

/* ---------------- CTA band ---------------- */
.cta-band {
  position: relative;
  text-align: center;
  padding: clamp(80px, 14vh, 140px) var(--pad);
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(226, 106, 64, 0.18), transparent 70%);
  pointer-events: none;
}

.cta-band h2 {
  position: relative;
  font-size: clamp(32px, 5vw, 60px);
  letter-spacing: -0.03em;
  line-height: 1.08;
  max-width: 18ch;
  margin: 0 auto 20px;
}

.cta-band p { position: relative; color: var(--ink-dim); max-width: 46ch; margin: 0 auto 36px; }

.cta-band .cta-row { position: relative; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------------- footer ---------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  background: var(--bg-raise);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-grid .about-blurb { color: var(--ink-dim); font-size: 14px; max-width: 40ch; margin-top: 16px; }

.footer-grid h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 18px;
  font-weight: 500;
}

.footer-grid ul { list-style: none; }

.footer-grid ul li { margin-bottom: 12px; }

.footer-grid ul a { font-size: 14px; color: var(--ink-dim); transition: color 0.2s; }

.footer-grid ul a:hover { color: var(--ink); }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-faint);
}

/* ---------------- inner page hero ---------------- */
.page-hero {
  padding-top: clamp(130px, 18vh, 180px);
  padding-bottom: clamp(48px, 8vh, 80px);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.page-hero h1 {
  font-size: clamp(38px, 6vw, 72px);
  letter-spacing: -0.035em;
  line-height: 1.04;
  max-width: 16ch;
}

.page-hero .sub { margin-top: 22px; color: var(--ink-dim); max-width: 54ch; font-size: 17px; }

/* ---------------- about: pivot list ---------------- */
.pivot-list { display: grid; gap: 0; }

.pivot-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}

.pivot-item:first-child { border-top: 1px solid var(--line); }

.pivot-item .from-to {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--indigo);
  line-height: 1.9;
}

.pivot-item p { color: var(--ink-dim); max-width: 62ch; }

.pivot-item strong { color: var(--ink); font-weight: 600; }

/* ---------------- contact ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(28px, 4vw, 44px);
  background: var(--bg-card);
}

.contact-card h3 { font-size: 22px; letter-spacing: -0.02em; margin-bottom: 8px; }

.contact-card .hint { font-size: 14px; color: var(--ink-dim); margin-bottom: 28px; }

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}

.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 15px;
  transition: border-color 0.2s;
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--indigo);
}

.field textarea { min-height: 110px; resize: vertical; }

.demo-card {
  border: 1px solid var(--indigo);
  border-radius: 18px;
  padding: clamp(28px, 4vw, 44px);
  background: linear-gradient(160deg, var(--indigo-soft), transparent 60%);
  margin-bottom: 24px;
}

.demo-card h3 { font-size: 22px; margin-bottom: 8px; }

.demo-card p { color: var(--ink-dim); font-size: 14.5px; margin-bottom: 24px; }

.email-rows { margin-top: 24px; }

.email-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
  flex-wrap: wrap;
}

.email-row .mono { color: var(--ink-faint); }

.email-row a { color: var(--ink); font-size: 15px; transition: color 0.2s; }

.email-row a:hover { color: var(--indigo); }

/* ---------------- responsive ---------------- */
@media (max-width: 900px) {
  .product { grid-template-columns: 1fr; }
  .product-visual { min-height: 240px; border-left: none; border-top: 1px solid var(--line); }
  .product.vriddhi .product-visual { border-right: none; order: 2; border-top: 1px solid var(--line); }
  .pipeline-grid, .value-grid { grid-template-columns: 1fr; }
  .studio-strip .inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .pivot-item { grid-template-columns: 1fr; gap: 10px; padding: 28px 0; }

  .nav {
    position: fixed;
    top: 84px; left: 0; right: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px var(--pad) 32px;
    gap: 22px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
  }

  .nav.open { transform: translateY(0); }

  .nav-toggle { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .load-reveal, .reveal { opacity: 1; transform: none; }
}