/* ───────────────────────────────────────────────────────────────
   atlaint — design-system implementation
   Colors, type, spacing per outcrowd.io-DESIGN.md
─────────────────────────────────────────────────────────────── */

:root {
  /* palette */
  --c-purple: #774DFF;
  --c-purple-lift: #8A5CFF;
  --c-orange: #FE4A23;
  --c-orange-lift: #FF6B47;


  /* neutrals — dark */
  --c-bg: #000000;
  --c-surface: #080808;
  --c-nav: #191919;
  --c-darker: #171717;
  --c-elev: #404040;
  --c-text: #FFFFFF;
  --c-muted: #9C9C9C;
  --c-subtle: #A3A3A3;

  /* accent — tweakable */
  --c-accent: var(--c-orange);
  --c-accent-lift: var(--c-orange-lift);
  --c-accent-glow: rgba(254, 74, 35, 0.3);

  /* radius */
  --r-sm: 12px;
  --r-md: 27px;
  --r-pill: 999px;

  /* shadows */
  --sh-card: 0 4px 12px rgba(0,0,0,0.4);
  --sh-float: 0 8px 24px rgba(0,0,0,0.5);
  --sh-glow: 0 8px 24px var(--c-accent-glow);

  /* type */
  --ff-sans: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ff-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  /* container */
  --max-w: 1280px;
}

/* accent variants */
body.accent-purple {
  --c-accent: var(--c-purple);
  --c-accent-lift: var(--c-purple-lift);
  --c-accent-glow: rgba(119, 77, 255, 0.3);
}

/* light theme */
body.theme-light {
  --c-bg: #F5F4F0;
  --c-surface: #FFFFFF;
  --c-nav: #FFFFFF;
  --c-darker: #ECEAE4;
  --c-elev: #D9D6CE;
  --c-text: #1A1A1A;
  --c-muted: #6B6B6B;
  --c-subtle: #8A8A8A;
  --sh-card: 0 4px 12px rgba(20,20,20,0.06);
  --sh-float: 0 8px 24px rgba(20,20,20,0.10);
}

/* ── reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--ff-sans);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

/* ── nav ───────────────────────────────────────────────────── */
.nav-wrap {
  position: sticky;
  top: 16px;
  z-index: 50;
  padding: 0 24px;
}
.nav {
  max-width: calc(var(--max-w) + 32px);
  margin: 0 auto;
  background: var(--c-nav);
  border: 1px solid var(--c-elev);
  border-radius: var(--r-sm);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 4px 4px 4px 12px;
  min-height: 28px;
  backdrop-filter: blur(12px);
}
body.theme-light .nav { background: rgba(255,255,255,0.85); }
.nav-brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 16px;
}
.nav-logo { height: 50px; width: 50px; object-fit: contain; display: block; }
.brand-word { letter-spacing: -0.02em; font-size: 17px; }
.nav-links {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 28px; justify-content: center;
}
.nav-links a {
  color: var(--c-text);
  font-size: 14.4px;
  opacity: 0.9;
  transition: color .15s, opacity .15s;
}
.nav-links a:hover { color: var(--c-accent); opacity: 1; }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-meta {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  font-size: 14.4px;
  line-height: 18px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  transition: background .15s, color .15s, border-color .15s, box-shadow .2s, transform .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: var(--sh-glow);
}
.btn-primary:hover {
  background: var(--c-accent-lift);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-elev);
  border-radius: var(--r-sm);
}
.btn-secondary:hover {
  background: var(--c-nav);
  border-color: var(--c-text);
}
.btn-block { width: 100%; }

/* ── hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  text-align: center;
}
.hero::before {
  /* subtle grid */
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--c-elev) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-elev) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: center top;
  opacity: 0.08;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--c-nav);
  border: 1px solid var(--c-elev);
  border-radius: var(--r-pill);
  padding: 8px 16px;
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.02em;
}
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-accent-glow);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 4px var(--c-accent-glow); }
  50% { box-shadow: 0 0 0 8px transparent; }
}
.hero-title {
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 500;
  margin: 32px auto 24px;
  max-width: 16ch;
  text-wrap: balance;
}
.hero-sub {
  font-size: 20px;
  line-height: 1.5;
  color: var(--c-muted);
  max-width: 60ch;
  margin: 0 auto 36px;
  text-wrap: pretty;
}
body.theme-light .hero-sub { color: #555; }
.hero-actions {
  display: flex; gap: 16px; flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 80px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border-top: 1px solid var(--c-elev);
  padding-top: 32px;
}

.meta-num {
  font-size: 40px;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.meta-lbl {
  font-size: 13px;
  line-height: 1.4;
  color: var(--c-muted);
  font-family: var(--ff-mono);
  max-width: 24ch;
  margin: 0 auto;
}

.hero-sig {
  position: absolute;
  right: 40px; top: 96px;
  font-family: var(--ff-mono);
  font-size: 11px;
  text-align: right;
  color: var(--c-text);
  letter-spacing: 0.04em;
}
.hero-sig .muted { color: var(--c-muted); display: block; margin-top: 2px; }

/* ── partner strip ─────────────────────────────────────────── */
.partner-strip {
  border-top: 1px solid var(--c-elev);
  border-bottom: 1px solid var(--c-elev);
  background: var(--c-surface);
  padding: 28px 0;
}
.partner-row {
  display: flex; align-items: center; gap: 48px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.partner-lbl {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.partner-mark {
  font-weight: 500;
  font-size: 17px;
  letter-spacing: 0.05em;
  color: var(--c-text);
  opacity: 0.7;
  font-family: var(--ff-sans);
}
.partner-mark sup { font-size: 0.6em; opacity: 0.6; }

/* ── sections ──────────────────────────────────────────────── */
.section {
  padding: 120px 0;
  position: relative;
}
.section-alt { background: var(--c-surface); }
.section-cta { background: var(--c-surface); padding: 100px 0 120px; }

.section-head { margin-bottom: 64px; max-width: 64ch; }
.section-head-narrow { max-width: 48ch; margin: 0 auto 56px; text-align: center; }
.section-head-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 32px;
  max-width: 100%;
  margin-bottom: 56px;
}

.section-eyebrow {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.section-title {
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 500;
  margin: 0;
  text-wrap: balance;
}
.section-lede {
  font-size: 18px;
  color: var(--c-muted);
  margin-top: 24px;
  max-width: 60ch;
  line-height: 1.55;
}

/* ── cards (base) ──────────────────────────────────────────── */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-elev);
  border-radius: var(--r-md);
  padding: 32px;
  box-shadow: var(--sh-card);
  transition: border-color .2s, box-shadow .25s, transform .25s;
}
body.theme-light .card { background: #FFF; }
.card:hover {
  border-color: var(--c-accent);
  box-shadow: 0 12px 32px var(--c-accent-glow);
}

/* ── features ──────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  display: flex; flex-direction: column;
  gap: 16px;
  min-height: 280px;
}
.feature-num {
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.08em;
}
.feature h3 {
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  font-weight: 500;
  max-width: 18ch;
}
.feature p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--c-muted);
  margin: 0;
  flex: 1;
}
body.theme-light .feature p { color: #555; }
.feature-tags {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 6px; flex-wrap: wrap;
}
.feature-tags li {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 34px;
  background: var(--c-darker);
  color: var(--c-subtle);
  border: 1px solid var(--c-elev);
}
.feature-accent {
  background: linear-gradient(180deg, var(--c-surface), var(--c-surface));
  border-color: var(--c-accent);
  position: relative;
}
.feature-accent::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: var(--r-md);
  background: radial-gradient(ellipse at top right, var(--c-accent-glow), transparent 60%);
  pointer-events: none;
  opacity: 0.5;
}

/* ── cases ─────────────────────────────────────────────────── */
.case-list { display: flex; flex-direction: column; gap: 32px; }
.case {
  background: var(--c-bg);
  border: 1px solid var(--c-elev);
  border-radius: var(--r-md);
  padding: 40px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}
body.theme-light .case { background: #FFF; }
.case-meta { border-right: 1px solid var(--c-elev); padding-right: 32px; }
.case-tag {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  margin-bottom: 32px;
  text-transform: uppercase;
}
.case-stat span {
  display: block;
  font-size: 64px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--c-accent);
}
.case-stat small { font-size: 0.45em; color: var(--c-text); margin-left: 4px; }
.case-stat em {
  font-style: normal;
  font-size: 13px;
  color: var(--c-muted);
  display: block;
  margin-top: 12px;
  font-family: var(--ff-mono);
  line-height: 1.4;
  max-width: 22ch;
}
.case-body h3 {
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 500;
  max-width: 22ch;
}
.case-body p {
  font-size: 17px;
  line-height: 1.55;
  color: var(--c-muted);
  margin: 0 0 32px;
  max-width: 60ch;
}
.case-figure {
  height: 180px;
  border-radius: 16px;
  background: var(--c-darker);
  border: 1px solid var(--c-elev);
  position: relative;
  overflow: hidden;
}
.case-figure::before {
  content: attr(data-figure);
  position: absolute;
  top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
  text-transform: uppercase;
  z-index: 1;
}
.case-figure::after {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    transparent 0,
    transparent 14px,
    var(--c-elev) 14px,
    var(--c-elev) 15px
  );
  opacity: 0.5;
}

/* ── quotes ────────────────────────────────────────────────── */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.quote { padding: 36px; display: flex; flex-direction: column; justify-content: space-between; min-height: 280px; }
.quote blockquote {
  margin: 0 0 32px;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}
.quote figcaption { border-top: 1px solid var(--c-elev); padding-top: 16px; }
.q-name { display: block; font-size: 14.4px; }
.q-role { display: block; font-size: 13px; color: var(--c-muted); font-family: var(--ff-mono); margin-top: 2px; }

/* ── journal ───────────────────────────────────────────────── */
.journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post {
  padding: 0;
  overflow: hidden;
  display: flex; flex-direction: column;
  text-decoration: none;
}
.post-fig {
  height: 200px;
  background: var(--c-darker);
  border-bottom: 1px solid var(--c-elev);
  position: relative;
  overflow: hidden;
}
.post-fig::before {
  content: attr(data-figure);
  position: absolute;
  bottom: 12px; left: 16px;
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--c-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 1;
}
.post-fig::after {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 18px,
    var(--c-elev) 18px,
    var(--c-elev) 19px
  );
  opacity: 0.4;
}
.post:nth-child(1) .post-fig { background: linear-gradient(135deg, var(--c-darker), var(--c-surface)); }
.post:nth-child(2) .post-fig::after { background-image: repeating-linear-gradient(90deg, transparent 0, transparent 22px, var(--c-elev) 22px, var(--c-elev) 23px); }
.post:nth-child(3) .post-fig::after { background-image: repeating-linear-gradient(0deg, transparent 0, transparent 16px, var(--c-elev) 16px, var(--c-elev) 17px); }
.post-body { padding: 28px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.post-meta {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.post-body h3 {
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
  font-weight: 500;
  text-wrap: balance;
}
.post-body p {
  font-size: 14.4px;
  line-height: 1.5;
  color: var(--c-muted);
  margin: 0;
}

/* ── faq ───────────────────────────────────────────────────── */
.faq-wrap { max-width: 880px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-elev);
  border-radius: var(--r-sm);
  overflow: hidden;
  transition: border-color .15s;
}
.faq-item[open] { border-color: var(--c-accent); }
body.theme-light .faq-item { background: #FFF; }
.faq-item summary {
  list-style: none;
  padding: 24px 28px;
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  cursor: pointer;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-toggle {
  position: relative;
  width: 16px; height: 16px;
  flex-shrink: 0;
}
.faq-toggle::before, .faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--c-text);
  transition: transform .2s, background .2s;
}
.faq-toggle::before { left: 0; right: 0; top: 7px; height: 2px; }
.faq-toggle::after { top: 0; bottom: 0; left: 7px; width: 2px; }
.faq-item[open] .faq-toggle::after { transform: scaleY(0); }
.faq-item[open] .faq-toggle::before { background: var(--c-accent); }
.faq-a {
  padding: 0 28px 28px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--c-muted);
  max-width: 64ch;
}

/* ── cta ───────────────────────────────────────────────────── */
.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.cta-title {
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 500;
  margin: 0 0 24px;
  text-wrap: balance;
}
.cta-lede {
  font-size: 18px;
  color: var(--c-muted);
  line-height: 1.55;
  margin: 0 0 32px;
  max-width: 48ch;
}
.cta-bullets {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.cta-bullets li {
  display: flex; align-items: center; gap: 12px;
  font-size: 15px;
  color: var(--c-text);
}
.bullet-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-accent);
  flex-shrink: 0;
}

.cta-form {
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field-wide { grid-column: 1 / -1; }
.field span {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  text-transform: uppercase;
}
.field input, .field select, .field textarea {
  background: var(--c-nav);
  border: 1px solid var(--c-elev);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  color: var(--c-text);
  font: 500 14.4px/18px var(--ff-sans);
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
body.theme-light .field input,
body.theme-light .field select,
body.theme-light .field textarea {
  background: #F5F4F0;
}
.field input::placeholder, .field textarea::placeholder { color: var(--c-muted); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-accent-glow);
}
.field textarea { resize: vertical; }
.field-actions { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 10px; }
.form-fine {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--c-muted);
  text-align: center;
  margin: 0;
  letter-spacing: 0.02em;
}
.form-thanks {
  grid-column: 1 / -1;
  color: var(--c-accent);
  text-align: center;
  font-size: 14.4px;
  margin: 0;
}

/* ── footer ────────────────────────────────────────────────── */
.footer { padding: 64px 0 40px; border-top: 1px solid var(--c-elev); }
.footer-inner { display: flex; flex-direction: column; gap: 56px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 17px; }
.footer-logo { height: 100px; width: 100px; object-fit: contain; display: block; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer-cols a, .footer-cols span {
  display: block;
  font-size: 14.4px;
  color: var(--c-muted);
  margin-bottom: 8px;
  transition: color .15s;
}
.footer-cols a:hover { color: var(--c-text); }
.foot-h {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-text);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-base {
  display: flex; justify-content: space-between; gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--c-elev);
  font-size: 12px;
  color: var(--c-muted);
  font-family: var(--ff-mono);
  letter-spacing: 0.02em;
}
.footer-base .muted { color: var(--c-subtle); max-width: 60ch; text-align: right; }

/* ── responsive ────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .feature-grid, .quote-grid, .journal-grid { grid-template-columns: repeat(2, 1fr); }
  .case { grid-template-columns: 1fr; gap: 24px; }
  .case-meta { border-right: none; border-bottom: 1px solid var(--c-elev); padding: 0 0 24px; }
  .cta-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); }
  .hero-sig { display: none; }
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .nav-wrap { padding: 0 12px; top: 8px; }
  .nav { grid-template-columns: auto 1fr; padding: 8px 12px; }
  .nav-links { display: none; }
  .nav-meta { display: none; }
  .section { padding: 72px 0; }
  .feature-grid, .quote-grid, .journal-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
  .hero-meta { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-base { flex-direction: column; gap: 12px; }
  .footer-base .muted { text-align: left; }
  .cta-form { grid-template-columns: 1fr; }
  .case { padding: 28px; }
  .case-body h3 { font-size: 24px; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dot { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}