/* ====================================================================
   CISO Ventures — site styles
   Mirrors the Figma token system (color · spacing · radius · type).
   Always-dark — no prefers-color-scheme switch.
   ==================================================================== */

/* ---- Tokens ---------------------------------------------------------- */
:root {
  /* Color — always-dark, navy + electric blue */
  --color-bg-canvas: #0A1628;
  --color-bg-elevated: #15243F;
  --color-bg-inverse: #FFFFFF;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #A8B5C7;
  --color-text-tertiary: #7E8BA0;
  --color-text-on-inverse: #0A1628;
  --color-border-default: #1E3050;
  --color-border-strong: #2A3D63;
  --color-accent: #3B82F6;
  --color-accent-hover: #60A5FA;
  --color-accent-pressed: #2563EB;
  --color-accent-text: #FFFFFF;
  --color-ink: #FFFFFF;

  /* Spacing */
  --spacing-3xs: 4px;
  --spacing-2xs: 8px;
  --spacing-xs: 12px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;
  --spacing-4xl: 128px;

  /* Radius */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Type families */
  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Layout */
  --max-width: 1440px;
  --content-max-width: 800px;
  --nav-height: 80px;
}

/* ---- Reset / base --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg-canvas);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }
button { font: inherit; cursor: pointer; }

/* ---- Type ramp ------------------------------------------------------ */
.display-xl, .display-lg, .display-md, .heading-lg {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
}
.display-xl { font-size: clamp(48px, 7vw, 84px); line-height: 1.05; letter-spacing: -0.02em; }
.display-lg { font-size: clamp(36px, 5vw, 56px); line-height: 1.1; letter-spacing: -0.015em; }
.display-md { font-size: clamp(28px, 3.5vw, 40px); line-height: 1.15; letter-spacing: -0.01em; }
.heading-lg { font-size: clamp(24px, 2.5vw, 32px); line-height: 1.2; letter-spacing: -0.005em; }

.heading-md, .heading-sm {
  font-family: var(--font-body);
  font-weight: 600;
  margin: 0;
}
.heading-md { font-size: 24px; line-height: 1.3; letter-spacing: -0.0025em; }
.heading-sm { font-size: 18px; line-height: 1.4; }

.body-lg, .body-md, .body-sm { font-family: var(--font-body); font-weight: 400; margin: 0; }
.body-lg { font-size: 18px; line-height: 1.6; }
.body-md { font-size: 16px; line-height: 1.6; }
.body-sm { font-size: 14px; line-height: 1.6; }

.mono-sm, .mono-xs {
  font-family: var(--font-mono);
  font-weight: 400;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.mono-sm { font-size: 13px; line-height: 1.5; }
.mono-xs { font-size: 12px; line-height: 1.5; }

.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-accent { color: var(--color-accent); }

/* ---- Layout primitives --------------------------------------------- */
.section {
  padding: var(--spacing-3xl) var(--spacing-3xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.section--elevated {
  background: var(--color-bg-elevated);
  max-width: none;
}
.section--elevated > .section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.eyebrow {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

/* ---- Top nav -------------------------------------------------------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  padding: 0 var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-default);
  background: var(--color-bg-canvas);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xs);
}
.nav__mark {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  display: block;
}
.nav__mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nav__brand-text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text-primary);
  letter-spacing: -0.005em;
}
.nav__right {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}
.nav__links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}
.nav__link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-text-secondary);
}
.nav__link:hover { color: var(--color-text-primary); text-decoration: none; }

/* ---- Buttons -------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.btn:hover { text-decoration: none; }
.btn--primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
}
.btn--primary:hover { background: var(--color-accent-hover); }
.btn--primary:active { background: var(--color-accent-pressed); }
.btn--secondary {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}
.btn--secondary:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn--lg {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 16px;
}

/* ---- Hero ----------------------------------------------------------- */
.hero { padding-top: var(--spacing-4xl); padding-bottom: var(--spacing-4xl); }
.hero h1 { margin-bottom: var(--spacing-lg); max-width: 18ch; }
.hero__sub {
  color: var(--color-text-secondary);
  max-width: 56ch;
  font-size: 20px;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}
.hero__ctas {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

/* ---- Disambiguation block (the "we're not a fund" SVCI move) -------- */
.disambig {
  background: var(--color-bg-elevated);
  border-top: 3px solid var(--color-accent);
  padding: var(--spacing-2xl) var(--spacing-3xl);
}
.disambig__inner { max-width: var(--max-width); margin: 0 auto; }
.disambig h2 { margin-bottom: var(--spacing-sm); }
.disambig p {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.65;
  max-width: 70ch;
  margin: 0;
}

/* ---- Audience cards (For CISOs / For Founders) --------------------- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}
.audience-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  transition: border-color 0.18s ease;
}
.audience-card:hover { border-color: var(--color-accent); }
.audience-card__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}
.audience-card__body {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
  flex: 1;
}
.audience-card .btn { align-self: flex-start; margin-top: var(--spacing-sm); }

/* ---- How it works (4 numbered steps) ------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}
.step {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xs);
}
.step__num {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 32px;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-2xs);
}
.step__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 18px;
  color: var(--color-text-primary);
  margin: 0;
}
.step__body {
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* ---- Featured members spotlight cards ------------------------------ */
.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}
.spotlight {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
}
.spotlight__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-border-default);
}
.spotlight__name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 18px;
  margin: 0;
}
.spotlight__role {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
}
.spotlight__quote {
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}
.spotlight-footnote {
  color: var(--color-text-tertiary);
  font-size: 12px;
  margin-top: var(--spacing-md);
  font-family: var(--font-mono);
}

/* ---- Community / WhatsApp callout ---------------------------------- */
.community-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}
.community-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: var(--color-bg-canvas);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
}
.community-card__heading {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.3;
  margin: 0;
}
.community-card__body {
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}

/* ---- FAQ ---------------------------------------------------------- */
.faq h2 { max-width: 18ch; }
.faq-list {
  margin-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  max-width: 820px;
}
.faq-list details {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: 0 var(--spacing-md);
  transition: border-color 0.18s ease;
  background: var(--color-bg-elevated);
}
.faq-list details:hover { border-color: var(--color-accent); }
.faq-list details[open] { border-color: var(--color-accent); }
.faq-list summary {
  list-style: none;
  cursor: pointer;
  padding: var(--spacing-md) var(--spacing-xl) var(--spacing-md) 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--color-text-primary);
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
  transition: transform 0.2s ease;
}
.faq-list details[open] summary::after { content: '\2212'; }
.faq-list details > p {
  margin: 0;
  padding: 0 0 var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.7;
}
.faq-list details > p a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- Events / Luma calendar ---------------------------------------- */
.events-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-top: var(--spacing-xl);
}
.events-copy { max-width: 50ch; }
.events-copy h2 { margin-bottom: var(--spacing-sm); }
.events-copy p {
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-md);
  font-size: 16px;
  line-height: 1.65;
}
.events-embed {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border-default);
}
.events-embed iframe { display: block; border: 0; }

/* ---- Apply page ---------------------------------------------------- */
.apply-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}
.apply-form { padding-top: var(--spacing-lg); border-top: 1px solid var(--color-border-default); }
.apply-form h3 { margin: 0 0 var(--spacing-2xs); }
.apply-form .body-md { color: var(--color-text-secondary); margin-bottom: var(--spacing-md); }
.airtable-embed {
  border: 1px solid var(--color-border-default) !important;
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated) !important;
}

/* ---- Inner page lead + prose --------------------------------------- */
.lead {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.6;
  max-width: var(--content-max-width);
  margin-bottom: var(--spacing-xl);
}
.prose {
  max-width: var(--content-max-width);
  color: var(--color-text-primary);
  font-size: 17px;
  line-height: 1.7;
}
.prose p { margin: 0 0 var(--spacing-md); color: var(--color-text-secondary); }
.prose strong { color: var(--color-text-primary); }
.prose h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}
.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- Footer --------------------------------------------------------- */
.footer {
  padding: var(--spacing-xl) var(--spacing-3xl);
  border-top: 1px solid var(--color-border-default);
  background: var(--color-bg-canvas);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}
.footer__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.footer__mark {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.footer__mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.footer__brand-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text-primary);
}
.footer__nav, .footer__social {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}
.footer__nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-text-secondary);
}
.footer__nav a:hover { color: var(--color-text-primary); }
.footer__email {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-secondary);
}
.footer__social a {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  color: var(--color-text-secondary);
}
.footer__social a:hover { color: var(--color-text-primary); }
.footer__copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  border-top: 1px solid var(--color-border-default);
  padding-top: var(--spacing-md);
}

/* ---- Responsive ---------------------------------------------------- */
@media (max-width: 960px) {
  .section { padding: var(--spacing-2xl) var(--spacing-lg); }
  .hero { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }
  .disambig { padding: var(--spacing-xl) var(--spacing-lg); }
  .footer { padding: var(--spacing-xl) var(--spacing-lg); }
  .nav { padding: 0 var(--spacing-md); }
  .nav__links { gap: var(--spacing-md); }
  .audience-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .spotlight-grid { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
  .events-grid { grid-template-columns: 1fr; }
  .footer__row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .nav__links a:not(.btn) { display: none; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .steps { grid-template-columns: 1fr; }
  .nav__brand-text { display: none; }
}

/* ---- Reduced motion ------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}