/* =============================================================================
 * CortexBuild — Marketing site styles
 * Depends on assets/css/tokens.css (loaded first via <link> in index.html).
 * All color / spacing / type / radii / shadow values come from tokens.
 * ========================================================================== */

/* ----------------------------------------------------------------------------
 * Reset & base
 * ------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--n-50);
  background-color: var(--ink-900);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--accent-400); text-decoration: none; }
a:hover { color: var(--accent-400); text-decoration: underline; }

h1, h2, h3, h4 {
  margin: 0;
  line-height: var(--lh-display);
  letter-spacing: -0.02em;
  font-weight: var(--fw-bold);
}

p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; }

::selection { background: rgba(108, 92, 231, 0.45); color: var(--n-50); }

/* Focus visibility (WCAG 2.4.7) */
:focus-visible {
  outline: 2px solid var(--accent-400);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.visually-hidden,
.skip-link {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link:focus {
  position: fixed;
  top: 12px; left: 12px;
  width: auto; height: auto;
  clip: auto; margin: 0;
  padding: 10px 16px;
  background: var(--primary-500);
  color: var(--n-50);
  border-radius: var(--r-md);
  z-index: 1000;
  box-shadow: var(--shadow-glow);
}

/* ----------------------------------------------------------------------------
 * Layout primitives
 * ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.container--narrow { max-width: 820px; }

.section { padding-block: clamp(56px, 9vw, 112px); }

.section__head {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--sp-8);
}

.section__title {
  font-size: clamp(1.75rem, 4vw, var(--fs-3xl));
  color: var(--n-50);
}

.section__lede {
  margin-top: var(--sp-4);
  font-size: var(--fs-md);
  color: var(--n-400);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-400);
  margin-bottom: var(--sp-4);
}
.eyebrow--center { justify-content: center; }
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: var(--r-pill);
  background: var(--gradient-signature);
}

/* ----------------------------------------------------------------------------
 * Buttons
 * ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: 0 var(--sp-5);
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  line-height: 1;
  text-decoration: none;
  transition: transform .15s cubic-bezier(0.2,0,0,1), background-color .2s, border-color .2s, box-shadow .2s, color .2s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  color: #fff;
  background: var(--gradient-signature);
  background-size: 140% 140%;
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.18);
}
.btn--primary:hover { color: #fff; box-shadow: var(--shadow-glow); }

.btn--ghost {
  color: var(--n-50);
  background: rgba(255,255,255,0.03);
  border-color: var(--ink-700);
}
.btn--ghost:hover { color: var(--n-50); background: rgba(255,255,255,0.07); border-color: var(--primary-500); }

.btn--lg { min-height: 52px; padding: 0 var(--sp-6); font-size: var(--fs-md); }
.btn--block { width: 100%; }
.btn--icon svg { flex-shrink: 0; }

/* ----------------------------------------------------------------------------
 * Header / nav
 * ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 14, 20, 0.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  max-width: 1180px;
  margin-inline: auto;
  padding: var(--sp-3) var(--sp-5);
}

.nav__brand { display: inline-flex; align-items: center; }
.nav__brand img { height: 40px; width: auto; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}
.nav__links a {
  color: var(--n-300);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}
.nav__links a:hover { color: var(--n-50); text-decoration: none; }

.nav__actions { display: flex; align-items: center; gap: var(--sp-3); }
.nav__actions .btn { min-height: 40px; padding: 0 var(--sp-4); font-size: var(--fs-sm); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
}
.nav__toggle-bar {
  display: block;
  width: 20px; height: 2px;
  margin-inline: auto;
  background: var(--n-50);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----------------------------------------------------------------------------
 * Hero
 * ------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(56px, 10vw, 120px);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.aurora {
  position: absolute;
  top: -30%; left: 50%;
  width: 1100px; height: 700px;
  transform: translateX(-50%);
  background:
    radial-gradient(closest-side, rgba(108,92,231,0.40), transparent 70%),
    radial-gradient(closest-side, rgba(34,211,238,0.28), transparent 70%);
  background-position: 30% 30%, 70% 60%;
  background-repeat: no-repeat;
  background-size: 60% 60%, 55% 55%;
  filter: blur(20px);
  opacity: 0.8;
  animation: aurora-drift 16s ease-in-out infinite alternate;
}
@keyframes aurora-drift {
  0%   { transform: translateX(-50%) translateY(0) scale(1); }
  100% { transform: translateX(-48%) translateY(24px) scale(1.08); }
}
.grid-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 40%, transparent 100%);
          mask-image: radial-gradient(ellipse 70% 60% at 50% 35%, #000 40%, transparent 100%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  /* Top-align the two desktop columns so the terminal card's top sits near the
     headline top, tightening the composition (was `center`, which left a tall
     dark gap above the ~318px terminal next to the ~679px copy column). Reset
     to single-column flow at the <=860px breakpoint, where it has no effect. */
  align-items: start;
}

/* Grid children must be allowed to shrink below their intrinsic (min-content)
   width. The terminal contains nowrap monospace lines whose min-content is far
   wider than a phone viewport; without min-width:0 the grid track is forced
   wider than the screen (mobile overflow) and squeezes the text column on
   desktop (unbalanced hero). */
.hero__copy { min-width: 0; }

.hero__title {
  font-size: clamp(2rem, 6vw, var(--fs-5xl));
  font-weight: var(--fw-extrabold);
  color: var(--n-50);
  margin-bottom: var(--sp-5);
  overflow-wrap: break-word;
}
.hero__subhead {
  font-size: clamp(1.05rem, 2vw, var(--fs-lg));
  color: var(--n-300);
  max-width: 560px;
  margin-bottom: var(--sp-6);
}
/* Harness thesis line. Solid near-white body (high contrast on ink-900); the
   emphasised clause uses primary-400 (#8B7CF0 ≈ 5.9:1 on --ink-900) so it stays
   WCAG 2.1 AA without resorting to the low-contrast cyan accent for text. */
.hero__thesis {
  font-size: clamp(1rem, 1.6vw, var(--fs-md));
  font-weight: var(--fw-semibold);
  line-height: var(--lh-body);
  color: var(--n-50);
  max-width: 560px;
  margin-bottom: var(--sp-6);
}
.hero__thesis em {
  font-style: normal;
  color: var(--primary-400);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--n-400);
}
.hero__trust .sep { color: var(--ink-700); }

/* Terminal mock */
/* Desktop two-column layout (default / >860px): nudge the terminal down by
   roughly the eyebrow height (~fs-sm line + --sp-4 margin) so its top lands
   optically level with the h1 baseline rather than the very top of the column.
   This margin is reset to 0 in the <=860px single-column media query so it
   never introduces a stray gap on mobile/tablet. */
.hero__visual { position: relative; min-width: 0; margin-top: 3.25rem; }
.terminal {
  max-width: 100%;
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--ink-700);
  border-radius: var(--r-lg);
  box-shadow: 0 24px 60px rgba(0,0,0,0.45), var(--shadow-glow);
  overflow: hidden;
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--ink-700);
}
.terminal__dot { width: 11px; height: 11px; border-radius: var(--r-pill); display: inline-block; }
.terminal__dot--r { background: var(--danger); }
.terminal__dot--y { background: var(--warning); }
.terminal__dot--g { background: var(--success); }
.terminal__title {
  margin-left: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--n-400);
}
.terminal__body {
  padding: var(--sp-4) var(--sp-5);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 1.9;
  overflow-x: auto;
}
.t-line { color: var(--n-300); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.t-prompt { color: var(--accent-400); margin-right: var(--sp-2); }
.t-step {
  display: inline-block;
  min-width: 78px;
  margin-right: var(--sp-3);
  padding: 1px 8px;
  border-radius: var(--r-sm);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-align: center;
}
.t-step.ok { color: var(--success); background: rgba(34,197,94,0.12); }
.t-step.pr { color: var(--primary-400); background: rgba(108,92,231,0.16); }
.t-parallel {
  display: inline-block;
  margin-right: var(--sp-3);
  padding: 1px 8px;
  border-radius: var(--r-sm);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--accent-400);
  background: rgba(34,211,238,0.12);
}
.t-line--pr { color: var(--n-50); }
.cursor-blink { color: var(--accent-400); animation: blink 1.1s steps(2,start) infinite; }
@keyframes blink { to { opacity: 0; } }

/* ----------------------------------------------------------------------------
 * Providers strip
 * ------------------------------------------------------------------------- */
.providers {
  border-block: 1px solid rgba(255,255,255,0.06);
  padding-block: var(--sp-7);
  background: rgba(255,255,255,0.015);
}
.providers__label {
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--n-400);
  margin-bottom: var(--sp-5);
}
.providers__group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-3);
}
.providers__group--sub { margin-top: var(--sp-3); }

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 var(--sp-4);
  border-radius: var(--r-pill);
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  color: var(--n-200);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}
.chip--ghost { background: transparent; color: var(--n-400); }

/* ----------------------------------------------------------------------------
 * Cards (shared)
 * ------------------------------------------------------------------------- */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
}

/* ----------------------------------------------------------------------------
 * Problem
 * ------------------------------------------------------------------------- */
.problem__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.problem__card h3 { font-size: var(--fs-xl); color: var(--n-50); margin-bottom: var(--sp-3); }
.problem__card p { color: var(--n-400); }
.problem__num {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: transparent;
  background: var(--gradient-signature);
  -webkit-background-clip: text;
          background-clip: text;
  margin-bottom: var(--sp-4);
}

/* ----------------------------------------------------------------------------
 * How it works
 * ------------------------------------------------------------------------- */
.how__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  counter-reset: step;
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}
.how__steps li::marker {
  content: none;
}
.how__step h3 { font-size: var(--fs-lg); color: var(--n-50); margin-block: var(--sp-4) var(--sp-2); }
.how__step p { color: var(--n-400); font-size: var(--fs-sm); }
.how__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: rgba(108,92,231,0.14);
  color: var(--primary-400);
  font-family: var(--font-mono);
  font-weight: var(--fw-bold);
  font-size: var(--fs-lg);
}
.how__promise {
  margin-top: var(--sp-7);
  text-align: center;
  color: var(--n-300);
  font-size: var(--fs-md);
}
.how__promise strong { color: var(--n-50); }
.how__promise-badge {
  display: inline-block;
  margin-right: var(--sp-3);
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: rgba(34,211,238,0.12);
  color: var(--accent-400);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ----------------------------------------------------------------------------
 * Wave model
 * ------------------------------------------------------------------------- */
.wave__flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
}
.wave__node {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 120px;
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  text-align: center;
}
.wave__node strong { color: var(--n-50); font-size: var(--fs-base); }
.wave__node small { color: var(--n-400); font-size: var(--fs-xs); }
.wave__phase {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--n-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.wave__node--accent { border-color: var(--accent-600); box-shadow: 0 0 0 1px rgba(34,211,238,0.2); }
.wave__node--accent strong { color: var(--accent-400); }
.wave__node--pr { border-color: var(--primary-600); }
.wave__node--pr strong { color: var(--primary-400); }
.wave__node--sm { min-width: 96px; padding: var(--sp-3); }
.wave__arrow {
  display: flex;
  align-items: center;
  color: var(--n-500);
  font-size: var(--fs-lg);
}
.wave__parallel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-3);
  border: 1px dashed var(--ink-700);
  border-radius: var(--r-md);
}
.wave__parallel > .wave__phase { text-align: center; }
.wave__parallel-row { display: flex; gap: var(--sp-2); }

.wave__points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.wave__point h3 { font-size: var(--fs-lg); color: var(--n-50); margin-bottom: var(--sp-2); }
.wave__point p { color: var(--n-400); font-size: var(--fs-sm); }

/* ----------------------------------------------------------------------------
 * Agents roster
 * ------------------------------------------------------------------------- */
.agents__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-4);
}
.agent-card { padding: var(--sp-5); transition: border-color .2s, transform .2s; }
.agent-card:hover { border-color: var(--primary-500); transform: translateY(-2px); }
.agent-card h3 {
  font-size: var(--fs-base);
  color: var(--n-50);
  margin-bottom: var(--sp-2);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.agent-card p { color: var(--n-400); font-size: var(--fs-sm); }

/* ----------------------------------------------------------------------------
 * Features grid
 * ------------------------------------------------------------------------- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.feature-card { transition: border-color .2s, transform .2s; }
.feature-card:hover { border-color: var(--accent-600); transform: translateY(-2px); }
.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  margin-bottom: var(--sp-4);
  border-radius: var(--r-md);
  background: rgba(108,92,231,0.14);
  color: var(--accent-400);
  font-size: var(--fs-lg);
}
.feature-card h3 { font-size: var(--fs-lg); color: var(--n-50); margin-bottom: var(--sp-2); }
.feature-card p { color: var(--n-400); font-size: var(--fs-sm); }
.feature-card em { color: var(--n-200); font-style: italic; }

/* ----------------------------------------------------------------------------
 * Tabs (use cases)
 * ------------------------------------------------------------------------- */
.tabs { max-width: 960px; margin-inline: auto; }
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
  padding: var(--sp-2);
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
}
.tabs__tab {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 0 var(--sp-4);
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--n-400);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  transition: background-color .2s, color .2s;
}
.tabs__tab:hover { color: var(--n-100); }
.tabs__tab[aria-selected="true"] {
  background: var(--gradient-signature);
  color: #fff;
}
.tabs__panel {
  padding: var(--sp-6);
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
}
.tabs__panel h3 { font-size: var(--fs-xl); color: var(--n-50); margin-bottom: var(--sp-3); }
.tabs__panel p { color: var(--n-300); margin-bottom: var(--sp-4); }

.ticks { display: grid; gap: var(--sp-2); }
.ticks li {
  position: relative;
  padding-left: 28px;
  color: var(--n-300);
  font-size: var(--fs-sm);
}
.ticks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: var(--fw-bold);
}

/* ----------------------------------------------------------------------------
 * ROI calculator
 * ------------------------------------------------------------------------- */
.roi__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-5);
  align-items: start;
}
.roi__inputs { display: grid; gap: var(--sp-5); }
.roi__field { display: grid; gap: var(--sp-2); }
.roi__field label { font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--n-200); }
.roi__control { display: flex; align-items: center; gap: var(--sp-4); }
.roi__control input[type="range"] {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--ink-700);
  border-radius: var(--r-pill);
  outline-offset: 4px;
}
.roi__control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--gradient-signature);
  border: 2px solid var(--ink-900);
  cursor: pointer;
}
.roi__control input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--primary-500);
  border: 2px solid var(--ink-900);
  cursor: pointer;
}
.roi__control input[type="number"] {
  width: 88px;
  min-height: 44px;
  padding: 0 var(--sp-3);
  background: var(--ink-900);
  border: 1px solid var(--ink-700);
  border-radius: var(--r-sm);
  color: var(--n-50);
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  text-align: right;
}
.roi__control input[type="number"]:focus-visible { border-color: var(--accent-400); }

.roi__results { position: sticky; top: 100px; }
.roi__result-label {
  font-size: var(--fs-sm);
  color: var(--n-400);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--sp-4);
}
.roi__result { margin-bottom: var(--sp-5); }
.roi__result-value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--n-50);
  line-height: 1.1;
}
.roi__result--primary .roi__result-value {
  color: transparent;
  background: var(--gradient-signature);
  -webkit-background-clip: text;
          background-clip: text;
}
.roi__result-unit { font-size: var(--fs-sm); color: var(--n-400); }
.roi__breakdown {
  display: grid;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.roi__breakdown div { display: flex; justify-content: space-between; gap: var(--sp-3); }
.roi__breakdown dt { color: var(--n-400); font-size: var(--fs-sm); }
.roi__breakdown dd { margin: 0; color: var(--n-100); font-family: var(--font-mono); font-size: var(--fs-sm); }
.roi__disclaimer { font-size: var(--fs-xs); color: var(--n-400); }
.roi__disclaimer strong { color: var(--n-200); }

.roi__formula { margin-top: var(--sp-5); }
.roi__formula h3 { font-size: var(--fs-lg); color: var(--n-50); margin-bottom: var(--sp-4); }
.mono {
  margin: 0;
  padding: var(--sp-4);
  background: var(--ink-900);
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  overflow-x: auto;
}
.mono code {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--n-200);
  white-space: pre;
}

/* ----------------------------------------------------------------------------
 * Comparison table
 * ------------------------------------------------------------------------- */
.compare__wrap { overflow-x: auto; border-radius: var(--r-lg); }
.compare__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.compare__table th,
.compare__table td {
  padding: var(--sp-4) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.compare__table thead th {
  font-size: var(--fs-sm);
  color: var(--n-200);
  background: rgba(255,255,255,0.02);
}
.compare__table thead th:first-child { color: var(--n-400); }
.compare__table thead th:nth-child(2) { color: var(--accent-400); }
.compare__table tbody th {
  font-weight: var(--fw-medium);
  color: var(--n-200);
  font-size: var(--fs-sm);
}
.compare__table td { text-align: center; }
.compare__table tbody tr:last-child th,
.compare__table tbody tr:last-child td { border-bottom: none; }
.compare__table tbody td:nth-child(2) { background: rgba(108,92,231,0.06); }

.mark { display: inline-flex; align-items: center; justify-content: center; font-weight: var(--fw-bold); font-size: var(--fs-md); }
.mark--yes { color: var(--success); }
.mark--no { color: var(--n-500); }
.mark--part { color: var(--warning); }

/* ----------------------------------------------------------------------------
 * Provenance
 * ------------------------------------------------------------------------- */
.provenance__inner { max-width: 860px; margin-inline: auto; text-align: center; padding: clamp(32px,5vw,56px); }
.provenance__title { font-size: clamp(1.6rem, 3.5vw, var(--fs-2xl)); color: var(--n-50); margin-bottom: var(--sp-4); }
.provenance__inner p { color: var(--n-300); font-size: var(--fs-md); margin-bottom: var(--sp-5); }
.provenance__tags { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--sp-2); }
.provenance__tags li {
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  color: var(--n-300);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

/* ----------------------------------------------------------------------------
 * Pricing
 * ------------------------------------------------------------------------- */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  align-items: stretch;
}
.price-card { display: flex; flex-direction: column; position: relative; }
.price-card--featured {
  border-color: var(--primary-500);
  box-shadow: var(--shadow-glow);
}
.price-card__badge {
  position: absolute;
  top: calc(var(--sp-5) * -1 + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  border-radius: var(--r-pill);
  background: var(--gradient-signature);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
}
.price-card__name { font-size: var(--fs-lg); color: var(--n-50); margin-bottom: var(--sp-3); }
.price-card__price {
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--n-50);
  line-height: 1.1;
}
.price-card__price span { font-size: var(--fs-base); font-weight: var(--fw-regular); color: var(--n-400); }
.price-card__note { color: var(--n-400); font-size: var(--fs-sm); margin-block: var(--sp-2) var(--sp-5); }
.price-card .ticks { margin-bottom: var(--sp-6); flex: 1; }
.pricing__disclaimer { margin-top: var(--sp-6); text-align: center; font-size: var(--fs-sm); color: var(--n-400); }

/* ----------------------------------------------------------------------------
 * FAQ accordion
 * ------------------------------------------------------------------------- */
.accordion { display: grid; gap: var(--sp-3); }
.accordion__item {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.02);
  overflow: hidden;
}
.accordion__item h3 { margin: 0; }
.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  width: 100%;
  min-height: 56px;
  padding: var(--sp-4) var(--sp-5);
  background: transparent;
  border: none;
  color: var(--n-50);
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  text-align: left;
}
.accordion__trigger:hover { color: var(--n-50); }
.accordion__icon {
  position: relative;
  flex-shrink: 0;
  width: 16px; height: 16px;
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 2px;
  background: var(--accent-400);
  transform: translate(-50%, -50%);
  transition: transform .2s;
}
.accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) rotate(0); }
.accordion__panel { padding: 0 var(--sp-5) var(--sp-5); }
.accordion__panel p { color: var(--n-400); }

/* ----------------------------------------------------------------------------
 * Final CTA
 * ------------------------------------------------------------------------- */
.cta__inner {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  padding: clamp(32px,6vw,72px) var(--sp-5);
  background:
    radial-gradient(closest-side at 50% 0%, rgba(108,92,231,0.20), transparent 70%),
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-xl);
}
.cta__title { font-size: clamp(1.75rem, 4vw, var(--fs-3xl)); color: var(--n-50); margin-bottom: var(--sp-4); }
.cta__lede { font-size: var(--fs-md); color: var(--n-300); margin-bottom: var(--sp-6); }
.cta__form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: center;
  max-width: 480px;
  margin: 0 auto var(--sp-3);
}
.cta__form input[type="email"] {
  flex: 1 1 240px;
  min-height: 52px;
  padding: 0 var(--sp-4);
  background: var(--ink-900);
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
  color: var(--n-50);
  font-size: var(--fs-base);
}
.cta__form input[type="email"]::placeholder { color: var(--n-500); }
.cta__form input[type="email"]:focus-visible { border-color: var(--accent-400); }
.cta__note { font-size: var(--fs-sm); color: var(--n-400); }
.cta__note--ok { color: var(--success); }
.cta__alt { margin-top: var(--sp-5); }

/* ----------------------------------------------------------------------------
 * Footer
 * ------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--sp-8);
  background: var(--ink-800);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-6);
  padding-bottom: var(--sp-7);
}
.footer__brand img { height: 38px; width: auto; margin-bottom: var(--sp-4); }
.footer__tagline { color: var(--n-400); font-size: var(--fs-sm); max-width: 320px; margin-bottom: var(--sp-4); }
.footer__gh { display: inline-flex; color: var(--n-400); }
.footer__gh:hover { color: var(--n-50); }
.footer__col h4 { font-size: var(--fs-sm); color: var(--n-200); margin-bottom: var(--sp-4); text-transform: uppercase; letter-spacing: 0.04em; }
.footer__col ul { display: grid; gap: var(--sp-3); }
.footer__col a { color: var(--n-400); font-size: var(--fs-sm); }
.footer__col a:hover { color: var(--n-50); text-decoration: none; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-block: var(--sp-5);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer__bottom p { color: var(--n-500); font-size: var(--fs-sm); }
.footer__built { color: var(--n-400); }

/* ----------------------------------------------------------------------------
 * Scroll reveal
 * ------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s cubic-bezier(0.2,0,0,1), transform .6s cubic-bezier(0.2,0,0,1);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ----------------------------------------------------------------------------
 * Responsive
 * ------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .agents__grid { grid-template-columns: repeat(3, 1fr); }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .wave__points { grid-template-columns: 1fr; }
  .how__steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-5);
    padding: var(--sp-5);
    background: var(--ink-900);
    border-bottom: 1px solid var(--ink-700);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .2s, opacity .2s, visibility .2s;
  }
  .nav__menu.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__links { flex-direction: column; align-items: stretch; gap: var(--sp-4); }
  .nav__links a { display: block; padding: var(--sp-2) 0; font-size: var(--fs-md); }
  .nav__actions { flex-direction: column; align-items: stretch; }
  .nav__actions .btn { min-height: 48px; font-size: var(--fs-base); }

  .hero__inner { grid-template-columns: 1fr; }
  /* Single-column: drop the desktop optical nudge so the terminal follows the
     copy block naturally with no stray top gap. */
  .hero__visual { order: 2; margin-top: 0; }
  .roi__grid { grid-template-columns: 1fr; }
  .roi__results { position: static; }
}

@media (max-width: 640px) {
  .problem__grid { grid-template-columns: 1fr; }
  .how__steps { grid-template-columns: 1fr; }
  .agents__grid { grid-template-columns: 1fr 1fr; }
  .features__grid { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .tabs__tab { flex: 1 1 100%; }
  .wave__flow { flex-direction: column; align-items: stretch; }
  .wave__arrow { transform: rotate(90deg); justify-content: center; }
  .wave__node, .wave__parallel { min-width: 0; }
  .wave__parallel-row { flex-direction: column; }
  /* Stack the hero CTAs full-width so neither button can clip off-screen on
     narrow phones (360/375/414px). */
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
}

@media (max-width: 380px) {
  .agents__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}

/* ----------------------------------------------------------------------------
 * Reduced motion
 * ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .aurora { animation: none; }
  .cursor-blink { animation: none; }
}