/* =========================================================
   AI Deployed — Shared Stylesheet
   Modern AI startup aesthetic. Light primary with dark hero.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Surface & ink */
  --bg: #FAFAF9;
  --surface: #FFFFFF;
  --surface-muted: #F4F4F5;
  --ink: #0B0B12;
  --ink-2: #18181B;
  --ink-3: #3F3F46;
  --muted: #71717A;
  --muted-2: #A1A1AA;
  --border: #E4E4E7;
  --border-soft: #EFEFF1;

  /* Brand */
  --brand-1: #6366F1;
  --brand-2: #A855F7;
  --brand-grad: linear-gradient(135deg, #6366F1 0%, #A855F7 100%);
  --brand-grad-soft: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, rgba(168,85,247,0.08) 100%);

  /* Dark palette */
  --dark-bg: #0B0B12;
  --dark-bg-2: #11111A;
  --dark-border: rgba(255,255,255,0.08);
  --dark-text: #FAFAF9;
  --dark-muted: rgba(250,250,249,0.65);

  /* Layout */
  --container: 1200px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(11,11,18,0.04), 0 1px 3px rgba(11,11,18,0.04);
  --shadow: 0 4px 24px -8px rgba(11,11,18,0.08), 0 2px 8px -2px rgba(11,11,18,0.04);
  --shadow-lg: 0 20px 60px -20px rgba(11,11,18,0.18), 0 8px 24px -8px rgba(11,11,18,0.08);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  margin: 0;
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { color: var(--ink); margin: 0; letter-spacing: -0.025em; font-weight: 700; line-height: 1.1; }
h1 { font-size: clamp(2.5rem, 5.5vw, 4.25rem); letter-spacing: -0.035em; font-weight: 800; line-height: 1.05; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.03em; font-weight: 800; line-height: 1.1; }
h3 { font-size: 1.25rem; letter-spacing: -0.02em; }
h4 { font-size: 1rem; letter-spacing: -0.01em; font-weight: 600; }
p { margin: 0 0 1rem; color: var(--ink-3); }
.lead { font-size: 1.125rem; line-height: 1.6; color: var(--ink-3); max-width: 640px; }

/* Helpers */
.gradient-text {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-1);
  background: var(--brand-grad-soft);
  border: 1px solid rgba(99,102,241,0.15);
  padding: 6px 12px;
  border-radius: 999px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--brand-grad);
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-dark {
  background: var(--dark-bg);
  color: var(--dark-text);
}
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--dark-text); }
.section-dark p { color: var(--dark-muted); }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,250,249,0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo { display: inline-flex; align-items: center; }
.nav-logo img { height: 28px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-3);
  transition: color 160ms var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 600; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  background: var(--ink);
  color: var(--dark-text);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: transform 160ms var(--ease), background 160ms var(--ease);
}
.nav-cta:hover { background: #1f1f29; transform: translateY(-1px); }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; color: var(--ink); }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-mobile {
    display: none;
    border-top: 1px solid var(--border-soft);
    background: var(--surface);
    padding: 16px 24px 24px;
  }
  .nav-mobile.open { display: block; }
  .nav-mobile a {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--ink-2);
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-mobile a:last-child { border-bottom: 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid transparent;
  transition: transform 160ms var(--ease), background 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease), box-shadow 160ms var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--ink);
  color: var(--dark-text);
}
.btn-primary:hover { background: #1f1f29; box-shadow: var(--shadow); }
.btn-gradient {
  background: var(--brand-grad);
  color: #fff;
  box-shadow: 0 6px 24px -8px rgba(99,102,241,0.5);
}
.btn-gradient:hover { box-shadow: 0 10px 32px -8px rgba(168,85,247,0.6); }
.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--ink-3); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: rgba(11,11,18,0.12);
}
.section-dark .btn-secondary, .section-dark .btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--dark-text);
  border-color: var(--dark-border);
}
.btn-arrow::after {
  content: "→";
  display: inline-block;
  transition: transform 200ms var(--ease);
}
.btn-arrow:hover::after { transform: translateX(3px); }
.btn-lg { padding: 16px 28px; font-size: 1rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(800px 400px at 80% -10%, rgba(168,85,247,0.10), transparent 60%),
    radial-gradient(700px 360px at 10% 10%, rgba(99,102,241,0.10), transparent 60%),
    var(--bg);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11,11,18,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,11,18,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 40%, transparent 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  padding: 0 24px;
}
.hero h1 { margin: 20px 0 24px; }
.hero .lead { margin: 0 auto 36px; font-size: 1.1875rem; line-height: 1.55; }
.hero-cta { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.hero-stripe {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}
.hero-stripe-item {
  text-align: left;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.hero-stripe-item .num {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.hero-stripe-item .label {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 4px;
}

@media (max-width: 720px) {
  .hero { padding: 80px 0 64px; }
  .hero-stripe { grid-template-columns: repeat(2, 1fr); margin-top: 48px; }
}

/* ---------- Section header ---------- */
.section-header {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-header h2 { margin-top: 16px; margin-bottom: 16px; }
.section-header .lead { margin: 0 auto; }
.section-header.left { text-align: left; margin: 0 0 48px; }

/* ---------- Card grids ---------- */
.grid {
  display: grid;
  gap: 20px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}
.card:hover { transform: translateY(-2px); border-color: #D4D4D8; box-shadow: var(--shadow); }
.card .icon {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--brand-grad-soft);
  color: var(--brand-1);
  margin-bottom: 16px;
}
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; color: var(--ink-3); font-size: 0.9375rem; }

/* Use case / industry card variant */
.card-flat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.card-flat h3 { font-size: 1.0625rem; margin-bottom: 6px; }
.card-flat p { font-size: 0.9375rem; margin: 0; color: var(--ink-3); }

/* Dark cards */
.section-dark .card {
  background: rgba(255,255,255,0.04);
  border-color: var(--dark-border);
}
.section-dark .card:hover { border-color: rgba(255,255,255,0.18); }
.section-dark .card p { color: var(--dark-muted); }
.section-dark .card .icon {
  background: rgba(99,102,241,0.15);
  color: #A5B4FC;
}

/* ---------- Value props row ---------- */
.value-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
}
.value-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.9375rem;
  color: var(--ink-2);
}
.value-list li::before {
  content: "";
  width: 18px; height: 18px;
  flex: 0 0 18px;
  border-radius: 999px;
  background: var(--brand-grad);
  margin-top: 3px;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/14px no-repeat;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/14px no-repeat;
}
@media (max-width: 640px) {
  .value-list { grid-template-columns: 1fr; }
}

/* ---------- Two-column split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse > :first-child { order: 2; }
@media (max-width: 900px) {
  .split, .split.reverse { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse > :first-child { order: 0; }
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--ink);
  color: var(--dark-text);
  border-radius: var(--radius-xl);
  padding: 64px 56px;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(500px 280px at 90% -20%, rgba(168,85,247,0.35), transparent 60%),
    radial-gradient(420px 240px at 0% 110%, rgba(99,102,241,0.30), transparent 60%);
  pointer-events: none;
}
.cta-banner-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--dark-text); max-width: 560px; }
.cta-banner p { color: var(--dark-muted); margin: 12px 0 0; max-width: 480px; }
@media (max-width: 720px) {
  .cta-banner { padding: 40px 28px; }
}

/* ---------- Steps / process ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-block;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--brand-1);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.step h3 { margin-bottom: 8px; color: var(--ink); }
.step p { margin: 0; font-size: 0.9375rem; color: var(--ink-3); }
/* White step cards inside a dark section need explicit dark text so the
   section-level light text color doesn't make them unreadable. */
.section-dark .step { background: var(--surface); border-color: var(--border); }
.section-dark .step h3 { color: var(--ink); }
.section-dark .step p { color: var(--ink-3); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer {
  background: var(--dark-bg);
  color: var(--dark-muted);
  padding: 64px 0 32px;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--dark-border);
}
.footer-brand img { height: 26px; margin-bottom: 16px; }
.footer-brand p { color: var(--dark-muted); font-size: 0.9375rem; max-width: 280px; }
.footer-col h4 { color: var(--dark-text); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 18px; font-weight: 600; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9375rem; color: var(--dark-muted); transition: color 160ms var(--ease); }
.footer-col a:hover { color: var(--dark-text); }
.footer-bottom {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--muted);
}
@media (max-width: 760px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}

/* ---------- Forms ---------- */
.form {
  display: grid;
  gap: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-2);
}
.field input, .field textarea, .field select {
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--brand-1);
  box-shadow: 0 0 0 4px rgba(99,102,241,0.12);
}
.field textarea { resize: vertical; min-height: 140px; }
.field .hint { font-size: 0.8125rem; color: var(--muted); }

.form-notice {
  background: var(--brand-grad-soft);
  border: 1px solid rgba(99,102,241,0.18);
  color: var(--ink-2);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

/* Success card — shown after the form is submitted successfully */
.success-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  box-shadow: var(--shadow);
}
.success-card .success-icon {
  width: 56px; height: 56px;
  border-radius: 999px;
  background: var(--brand-grad);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 8px 24px -8px rgba(99,102,241,0.5);
}
.success-card h3 {
  margin: 0 0 8px;
  font-size: 1.375rem;
  letter-spacing: -0.02em;
}
.success-card p {
  margin: 0;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
  color: var(--ink-3);
  font-size: 0.9375rem;
}

/* ---------- Industry / use case page ---------- */
.industry-block {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}
.industry-block:first-of-type { border-top: 0; padding-top: 0; }
.industry-block h3 { font-size: 1.5rem; }
.industry-block .meta { color: var(--muted); font-size: 0.875rem; margin-top: 4px; }
.industry-block ul { padding-left: 0; list-style: none; margin: 0; }
.industry-block li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.9375rem;
  color: var(--ink-2);
  display: flex;
  gap: 12px;
}
.industry-block li:last-child { border-bottom: 0; }
.industry-block li strong { color: var(--ink); display: block; margin-bottom: 4px; }
@media (max-width: 820px) {
  .industry-block { grid-template-columns: 1fr; gap: 24px; padding: 36px 0; }
}

/* ---------- Page header ---------- */
.page-header {
  padding: 96px 0 56px;
  background:
    radial-gradient(700px 320px at 80% -20%, rgba(168,85,247,0.08), transparent 60%),
    radial-gradient(600px 280px at 10% 0%, rgba(99,102,241,0.08), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--border-soft);
}
.page-header .inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.page-header h1 { margin: 16px 0 16px; }

/* ---------- Animations ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 600ms var(--ease), transform 600ms var(--ease);
  }
  .reveal.visible { opacity: 1; transform: none; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 12px; }
.mt-3 { margin-top: 20px; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 56px; }
.mb-2 { margin-bottom: 12px; }
.mb-3 { margin-bottom: 20px; }
.mb-4 { margin-bottom: 32px; }
.muted { color: var(--muted); }

/* ---------- Logo comparison block (home only) ---------- */
.logo-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px;
}
.logo-compare > div {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}
.logo-compare img { height: 36px; width: auto; }
@media (max-width: 640px) {
  .logo-compare { grid-template-columns: 1fr; }
}