/* Sidekick landing — bundled from Claude design system tokens + landing.css */
/* ============================================================
   SIDEKICK · COLOR TOKENS
   Dark-first. Near-black canvas, violet primary, cyan secondary.
   ============================================================ */
:root {
  /* --- Brand accents --- */
  --violet-300: #C4B5FD;   /* hover / bright text on dark */
  --violet-400: #A78BFA;   /* PRIMARY accent */
  --violet-500: #8B5CF6;
  --violet-600: #7C3AED;   /* deep violet — buttons, fills */
  --violet-700: #6D28D9;   /* pressed */

  --cyan-300: #67E8F9;
  --cyan-400: #22D3EE;     /* SECONDARY accent */
  --cyan-500: #06B6D4;

  /* --- Neutral canvas (zinc) --- */
  --zinc-950: #09090b;     /* page background */
  --zinc-900: #111113;
  --zinc-850: #18181b;     /* card surface */
  --zinc-800: #1f1f23;
  --zinc-700: #27272a;
  --zinc-600: #3f3f46;
  --zinc-500: #52525b;
  --zinc-400: #71717a;
  --zinc-300: #a1a1aa;
  --zinc-200: #d4d4d8;
  --zinc-100: #e4e4e7;
  --zinc-050: #fafafa;

  /* --- Semantic --- */
  --success: #34D399;
  --warning: #FBBF24;
  --danger:  #F87171;

  /* ====== SEMANTIC ALIASES ====== */
  --bg-page:        var(--zinc-950);
  --bg-elevated:    #0e0e11;
  --surface-card:   color-mix(in srgb, var(--zinc-850) 70%, transparent);
  --surface-card-solid: var(--zinc-850);
  --surface-inset:  var(--zinc-900);
  --surface-hover:  color-mix(in srgb, var(--violet-400) 8%, transparent);

  --border-subtle:  color-mix(in srgb, var(--zinc-050) 8%, transparent);
  --border-strong:  color-mix(in srgb, var(--zinc-050) 14%, transparent);
  --border-accent:  color-mix(in srgb, var(--violet-400) 40%, transparent);

  --text-strong:    var(--zinc-050);
  --text-body:      var(--zinc-300);
  --text-muted:     var(--zinc-400);
  --text-faint:     var(--zinc-500);
  --text-on-accent: #0a0118;

  --accent:         var(--violet-400);
  --accent-deep:    var(--violet-600);
  --accent-2:       var(--cyan-400);

  --ring:           color-mix(in srgb, var(--violet-400) 55%, transparent);

  /* Brand gradient (violet → cyan) */
  --grad-brand: linear-gradient(100deg, var(--violet-400) 0%, var(--cyan-400) 100%);
  --grad-brand-soft: linear-gradient(135deg, color-mix(in srgb, var(--violet-600) 90%, transparent), color-mix(in srgb, var(--cyan-500) 80%, transparent));
}
/* ============================================================
   SIDEKICK · TYPOGRAPHY TOKENS
   ============================================================ */
:root {
  /* Families */
  --font-display: 'Inter Tight', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  /* Fluid display scale (hero → section) */
  --fs-display:   clamp(2.75rem, 6vw + 1rem, 5.25rem);  /* @kind other */
  --fs-h1:        clamp(2.25rem, 4vw + 0.5rem, 3.5rem);  /* @kind other */
  --fs-h2:        clamp(1.75rem, 2.4vw + 0.5rem, 2.5rem); /* @kind other */
  --fs-h3:        clamp(1.25rem, 1.2vw + 0.5rem, 1.5rem); /* @kind other */
  --fs-lead:      clamp(1.05rem, 0.5vw + 0.9rem, 1.35rem); /* @kind other */
  --fs-body:      1rem;     /* @kind other */
  --fs-sm:        0.875rem; /* @kind other */
  --fs-label:     0.75rem;  /* @kind other */

  /* Weights */
  --fw-regular: 400;  /* @kind other */
  --fw-medium:  500;  /* @kind other */
  --fw-semibold: 600; /* @kind other */
  --fw-bold:    700;  /* @kind other */
  --fw-extra:   800;  /* @kind other */

  /* Line heights */
  --lh-tight:   1.04; /* @kind other */
  --lh-snug:    1.18; /* @kind other */
  --lh-body:    1.6;  /* @kind other */

  /* Tracking */
  --ls-display: -0.03em; /* @kind other */
  --ls-tight:   -0.02em; /* @kind other */
  --ls-label:   0.16em;  /* @kind other */
}
/* ============================================================
   SIDEKICK · SPACING, RADII, LAYOUT TOKENS
   4px base grid.
   ============================================================ */
:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Section rhythm */
  --section-y: clamp(64px, 9vw, 140px); /* @kind spacing */
  --container:  1180px;                 /* @kind spacing */
  --container-narrow: 760px;            /* @kind spacing */
  --gutter: clamp(20px, 5vw, 40px);     /* @kind spacing */

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-pill: 999px;
}
/* ============================================================
   SIDEKICK · EFFECTS — shadows, glows, blur, motion
   ============================================================ */
:root {
  /* Shadows (soft, dark-tuned) */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.4);
  --shadow-md:  0 8px 24px -8px rgba(0,0,0,0.55);
  --shadow-lg:  0 24px 60px -20px rgba(0,0,0,0.7);

  /* Accent glows */
  --glow-violet: 0 0 0 1px color-mix(in srgb, var(--violet-400) 30%, transparent), 0 12px 48px -8px color-mix(in srgb, var(--violet-600) 55%, transparent);
  --glow-cyan:   0 12px 48px -10px color-mix(in srgb, var(--cyan-400) 45%, transparent);

  /* Glass blur */
  --blur-glass: saturate(140%) blur(14px); /* @kind other */

  /* Faint grid background (dotted) */
  --grid-dot: radial-gradient(circle at center, color-mix(in srgb, var(--zinc-050) 6%, transparent) 1px, transparent 1.4px);
  --grid-dot-size: 28px; /* @kind spacing */
  /* Faint line grid */
  --grid-line: linear-gradient(color-mix(in srgb, var(--zinc-050) 4%, transparent) 1px, transparent 1px),
               linear-gradient(90deg, color-mix(in srgb, var(--zinc-050) 4%, transparent) 1px, transparent 1px);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);    /* @kind other */
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); /* @kind other */
  --dur-fast: 140ms; /* @kind other */
  --dur-base: 220ms; /* @kind other */
  --dur-slow: 420ms; /* @kind other */
}
/* ============================================================
   SIDEKICK LANDING — page styles (consumes design-system tokens)
   Cleanly sectioned for later split into Rails partials.
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); color: var(--text-strong); margin: 0; letter-spacing: var(--ls-tight); line-height: var(--lh-snug); }
p { margin: 0; }
img, svg { display: block; }
:focus-visible { outline: 2px solid var(--violet-400); outline-offset: 3px; border-radius: 4px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-inline: var(--gutter); }
.narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--section-y); position: relative; }
.grad-text { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* mono eyebrow */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: var(--fs-label); font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--violet-300);
  margin-bottom: var(--space-5);
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; opacity: .5; }
.eyebrow.center { justify-content: center; }
.eyebrow.cyan { color: var(--cyan-300); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-weight: var(--fw-semibold); font-size: .9375rem; letter-spacing: -.01em;
  padding: 13px 22px; border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { color: var(--text-on-accent); background: var(--grad-brand); box-shadow: var(--glow-violet); }
.btn-primary:hover { box-shadow: var(--glow-violet), 0 14px 40px -10px color-mix(in srgb, var(--cyan-400) 50%, transparent); }
.btn-secondary { color: var(--text-strong); background: color-mix(in srgb, var(--zinc-050) 5%, transparent); border-color: var(--border-strong); backdrop-filter: var(--blur-glass); }
.btn-secondary:hover { border-color: var(--border-accent); background: var(--surface-hover); }
.btn-lg { padding: 16px 28px; font-size: 1rem; border-radius: var(--radius-lg); }
.btn svg { width: 17px; height: 17px; }

/* ---------------- NAV ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), backdrop-filter var(--dur-base);
}
.nav.scrolled { background: color-mix(in srgb, var(--zinc-950) 78%, transparent); backdrop-filter: var(--blur-glass); border-bottom-color: var(--border-subtle); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: var(--fw-extra); font-size: 1.3rem; letter-spacing: -.03em; color: var(--text-strong); }
.brand img { width: 26px; height: 26px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: .9rem; color: var(--text-muted); transition: color var(--dur-base); }
.nav-links a:hover { color: var(--text-strong); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: none; color: var(--text-strong); cursor: pointer; padding: 6px; }
.mobile-menu { display: none; }

/* ---------------- HERO ---------------- */
.hero { position: relative; padding-top: clamp(64px, 11vw, 130px); padding-bottom: clamp(56px, 9vw, 120px); overflow: hidden; }
.bg-grid { position: absolute; inset: 0; background-image: var(--grid-dot); background-size: var(--grid-dot-size) var(--grid-dot-size); -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%); mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%); pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.orb-violet { width: 540px; height: 540px; background: var(--violet-600); opacity: .32; top: -200px; left: -120px; }
.orb-cyan { width: 460px; height: 460px; background: var(--cyan-500); opacity: .22; top: -60px; right: -140px; }
.hero-inner { position: relative; text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero h1 { font-size: var(--fs-display); font-weight: var(--fw-extra); letter-spacing: var(--ls-display); line-height: var(--lh-tight); max-width: 16ch; }
.hero-sub { font-size: var(--fs-lead); color: var(--text-body); max-width: 56ch; margin-top: var(--space-5); }
.hero-cta { display: flex; gap: 14px; margin-top: var(--space-6); flex-wrap: wrap; justify-content: center; }
.trustline { display: inline-flex; align-items: center; gap: 10px; margin-top: var(--space-6); font-family: var(--font-mono); font-size: .75rem; letter-spacing: .05em; color: var(--text-faint); }
.trustline .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 10px var(--success); animation: pulse 2.4s var(--ease-in-out) infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.principle { margin-top: var(--space-8); font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: clamp(1.1rem, 1.6vw, 1.5rem); letter-spacing: -.02em; }
.principle .dim { color: var(--text-faint); }

/* ---------------- THESIS ---------------- */
.thesis { text-align: center; }
.thesis h2 { font-size: var(--fs-h1); font-weight: var(--fw-bold); max-width: 18ch; margin: 0 auto; }
.thesis-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--space-6); align-items: stretch; margin-top: var(--space-8); text-align: left; }
.thesis-col { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); padding: var(--space-6); backdrop-filter: var(--blur-glass); }
.thesis-col.win { border-color: var(--border-accent); box-shadow: var(--glow-violet); }
.thesis-col h3 { font-size: var(--fs-h3); margin-bottom: 14px; }
.thesis-col .tag { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); display: block; margin-bottom: 14px; }
.thesis-col.win .tag { color: var(--cyan-300); }
.thesis-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.thesis-list li { display: flex; gap: 11px; font-size: .94rem; color: var(--text-body); }
.thesis-list li svg { flex-shrink: 0; width: 18px; height: 18px; margin-top: 2px; }
.vs { align-self: center; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; color: var(--text-faint); text-transform: uppercase; }

/* ---------------- CREW ---------------- */
.section-head { text-align: center; margin-bottom: var(--space-8); display: flex; flex-direction: column; align-items: center; }
.section-head h2 { font-size: var(--fs-h1); font-weight: var(--fw-bold); max-width: 20ch; }
.section-head p { color: var(--text-muted); margin-top: var(--space-4); max-width: 54ch; font-size: var(--fs-lead); }
.crew-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.crew-card { position: relative; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); padding: var(--space-6); backdrop-filter: var(--blur-glass); overflow: hidden; transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.crew-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: var(--grad-brand); opacity: 0; transition: opacity var(--dur-base); }
.crew-card:hover { transform: translateY(-4px); border-color: var(--border-accent); box-shadow: var(--glow-violet), var(--shadow-lg); }
.crew-card:hover::before { opacity: .9; }
.crew-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); }
.crew-avatar { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: var(--grad-brand-soft); border: 1px solid var(--border-accent); color: var(--text-strong); }
.crew-avatar svg { width: 22px; height: 22px; }
.crew-name { font-family: var(--font-display); font-weight: var(--fw-extra); font-size: 1.5rem; letter-spacing: -.02em; color: var(--text-strong); }
.crew-role { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--violet-300); margin-top: 3px; }
.crew-what { color: var(--text-body); font-size: .95rem; margin-bottom: var(--space-5); min-height: 3em; }
.crew-tasks { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.crew-tasks li { display: flex; gap: 10px; font-size: .85rem; color: var(--text-muted); align-items: flex-start; }
.crew-tasks li svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 2px; color: var(--cyan-400); }
.crew-add { grid-column: 1 / -1; display: flex; align-items: center; justify-content: center; gap: 12px; padding: var(--space-5); border: 1px dashed var(--border-strong); border-radius: var(--radius-xl); color: var(--text-faint); font-family: var(--font-mono); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; }

/* ---------------- HOW IT WORKS ---------------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); counter-reset: step; }
.step { position: relative; padding: var(--space-6); background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); }
.step-num { font-family: var(--font-mono); font-size: .8rem; color: var(--violet-300); display: flex; align-items: center; gap: 10px; margin-bottom: var(--space-5); }
.step-num .dot { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; border: 1px solid var(--border-accent); background: color-mix(in srgb, var(--violet-600) 14%, transparent); font-weight: var(--fw-semibold); }
.step h3 { font-size: 1.2rem; margin-bottom: 10px; }
.step p { color: var(--text-body); font-size: .92rem; }
.checkpoint { margin-top: var(--space-6); display: flex; align-items: center; gap: 14px; justify-content: center; padding: var(--space-4) var(--space-5); border: 1px solid var(--border-accent); border-radius: var(--radius-pill); background: color-mix(in srgb, var(--violet-600) 8%, transparent); max-width: max-content; margin-inline: auto; }
.checkpoint svg { width: 18px; height: 18px; color: var(--cyan-400); }
.checkpoint span { font-size: .9rem; color: var(--text-body); }
.checkpoint b { color: var(--text-strong); font-weight: var(--fw-semibold); }

/* ---------------- SYNAPSE ---------------- */
.synapse { position: relative; overflow: hidden; }
.synapse-card { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-8); align-items: center; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-2xl); padding: clamp(28px, 4vw, 56px); backdrop-filter: var(--blur-glass); overflow: hidden; }
.synapse-card .orb-cyan { opacity: .18; right: -120px; bottom: -160px; top: auto; }
.synapse h2 { font-size: var(--fs-h2); font-weight: var(--fw-bold); margin-bottom: var(--space-4); }
.synapse p { color: var(--text-body); margin-bottom: var(--space-4); }
.synapse .pill-line { font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: 1.15rem; color: var(--text-strong); letter-spacing: -.01em; margin-top: var(--space-5); }
.synapse-diagram { position: relative; display: flex; flex-direction: column; gap: 12px; }
.layer { border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 14px 18px; background: var(--surface-inset); font-family: var(--font-mono); font-size: .8rem; color: var(--text-muted); display: flex; align-items: center; justify-content: space-between; }
.layer.brand { border-color: var(--border-accent); color: var(--violet-300); background: color-mix(in srgb, var(--violet-600) 10%, transparent); }
.layer.engine { border-color: color-mix(in srgb, var(--cyan-400) 40%, transparent); color: var(--cyan-300); background: color-mix(in srgb, var(--cyan-500) 8%, transparent); }
.layer .badge-sm { font-size: .62rem; letter-spacing: .1em; opacity: .8; }
.layer-models { display: flex; gap: 8px; flex-wrap: wrap; }
.layer-models span { font-family: var(--font-mono); font-size: .68rem; color: var(--text-faint); border: 1px solid var(--border-subtle); border-radius: var(--radius-pill); padding: 4px 10px; }

/* ---------------- FAQ ---------------- */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: var(--space-8); align-items: start; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--surface-card); overflow: hidden; transition: border-color var(--dur-base), background var(--dur-base); }
.faq-item[open] { border-color: var(--border-accent); background: color-mix(in srgb, var(--violet-600) 6%, transparent); }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; cursor: pointer; list-style: none; font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: 1.05rem; color: var(--text-strong); letter-spacing: -.01em; }
.faq-q::-webkit-details-marker { display: none; }
.faq-q .icon { flex-shrink: 0; width: 22px; height: 22px; display: grid; place-items: center; color: var(--text-muted); font-size: 1.3rem; line-height: 1; transition: transform var(--dur-base) var(--ease-out), color var(--dur-base); }
.faq-item[open] .faq-q .icon { transform: rotate(45deg); color: var(--violet-300); }
.faq-a { padding: 0 22px 20px; color: var(--text-body); font-size: .94rem; max-width: 62ch; }

/* ---------------- FINAL CTA ---------------- */
.cta-band { position: relative; text-align: center; overflow: hidden; border-radius: var(--radius-2xl); border: 1px solid var(--border-accent); background: var(--bg-elevated); padding: clamp(40px, 6vw, 80px) var(--gutter); }
.cta-band h2 { font-size: var(--fs-h1); font-weight: var(--fw-extra); letter-spacing: var(--ls-display); }
.cta-band p { color: var(--text-body); margin-top: var(--space-4); font-size: var(--fs-lead); }
.cta-form { display: flex; gap: 10px; margin: var(--space-6) auto 0; max-width: 440px; }
.cta-form input { flex: 1; padding: 14px 16px; font-family: var(--font-body); font-size: .95rem; color: var(--text-strong); background: var(--surface-inset); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); outline: none; transition: border-color var(--dur-base), box-shadow var(--dur-base); }
.cta-form input:focus { border-color: var(--border-accent); box-shadow: 0 0 0 4px var(--ring); }
.cta-fine { margin-top: var(--space-4); font-family: var(--font-mono); font-size: .72rem; color: var(--text-faint); }
.cta-fine.lead-ok { color: var(--cyan-300); font-size: .82rem; }
/* visually-hidden label + honeypot */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* multi-field lead form */
.lead-form { max-width: 560px; margin: var(--space-6) auto 0; text-align: left; }
.lead-row { display: flex; gap: 14px; }
.lead-row .lead-field { flex: 1; }
.lead-field { margin-bottom: 14px; }
.lead-field label { display: block; font-family: var(--font-mono); font-size: .68rem; letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--text-muted); margin-bottom: 7px; }
.lead-field label .req { color: var(--violet-300); }
.lead-field input { width: 100%; padding: 13px 15px; font-family: var(--font-body); font-size: .95rem; color: var(--text-strong); background: var(--surface-inset); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); outline: none; transition: border-color var(--dur-base), box-shadow var(--dur-base); }
.lead-field input::placeholder { color: var(--text-faint); }
.lead-field input:focus { border-color: var(--border-accent); box-shadow: 0 0 0 4px var(--ring); }
.lead-submit { width: 100%; margin-top: 6px; }
/* native Nexus embed widget container */
.lead-widget { max-width: 460px; margin: var(--space-6) auto 0; text-align: left; }

/* ---------------- FOOTER ---------------- */
.footer { border-top: 1px solid var(--border-subtle); padding-block: var(--space-8) var(--space-6); margin-top: var(--space-7); }
.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: var(--space-7); }
.footer .brand { font-size: 1.15rem; }
.footer-blurb { margin-top: var(--space-4); max-width: 36ch; color: var(--text-muted); font-size: .9rem; line-height: var(--lh-body); }
.footer-blurb a { color: var(--text-body); border-bottom: 1px solid var(--border-accent); transition: color var(--dur-base); }
.footer-blurb a:hover { color: var(--violet-300); }
.footer-family { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: var(--space-5); }
.footer-family__label { font-family: var(--font-mono); font-size: .66rem; letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--text-faint); }
.footer-fam { display: inline-flex; align-items: center; gap: 7px; font-size: .85rem; color: var(--text-muted); transition: color var(--dur-base); }
.footer-fam:hover { color: var(--text-strong); }
.footer-fam--current { color: var(--text-strong); }
.fam-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.fam-dot--violet { background: var(--violet-400); box-shadow: 0 0 8px var(--violet-400); }
.fam-dot--cyan { background: var(--cyan-400); box-shadow: 0 0 8px var(--cyan-400); }
.footer-col h5 { font-family: var(--font-mono); font-size: .68rem; letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--text-faint); margin: 0 0 var(--space-4); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: .9rem; color: var(--text-muted); transition: color var(--dur-base); }
.footer-col a:hover { color: var(--text-strong); }
.footer-bottom { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-5); flex-wrap: wrap; margin-top: var(--space-8); padding-top: var(--space-5); border-top: 1px solid var(--border-subtle); }
.footer-entity { font-family: var(--font-mono); font-size: .72rem; line-height: 1.7; color: var(--text-faint); }
.footer-entity b { color: var(--text-muted); font-weight: var(--fw-semibold); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: .78rem; color: var(--text-faint); transition: color var(--dur-base); }
.footer-legal a:hover { color: var(--text-body); }

/* ---------------- REVEAL ANIM ---------------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .trustline .pulse { animation: none; } html { scroll-behavior: auto; } }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 920px) {
  .thesis-grid { grid-template-columns: 1fr; }
  .vs { padding-block: 4px; }
  .crew-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .synapse-card { grid-template-columns: 1fr; gap: var(--space-6); }
  .faq-wrap { grid-template-columns: 1fr; gap: var(--space-5); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu { display: none; flex-direction: column; gap: 4px; padding: 12px var(--gutter) 20px; border-bottom: 1px solid var(--border-subtle); background: color-mix(in srgb, var(--zinc-950) 92%, transparent); backdrop-filter: var(--blur-glass); }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { padding: 12px 6px; color: var(--text-body); border-bottom: 1px solid var(--border-subtle); }
  .mobile-menu .btn { margin-top: 10px; }
  .cta-form { flex-direction: column; }
  .lead-row { flex-direction: column; gap: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
}