/* ============ KnoxAiD — tokens & base ============ */
:root {
  --bg: #08080C;
  --bg-elev-1: #13131A;
  --bg-elev-2: #1C1C26;
  --border: rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.12);
  --text: #E8E8F0;
  --text-muted: #A0A0B0;
  --text-dim: #6E6E80;
  --accent: #3DBDF7;
  --accent-soft: rgba(61,189,247,0.14);
  --accent-glow: rgba(61,189,247,0.45);
  --violet: #9B6BFF;
  --proof: #10D194;
  --proof-soft: rgba(16,209,148,0.12);
  --danger: #FF6B6B;

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --maxw: 1240px;
  --gutter: clamp(20px, 4vw, 56px);

  --ease-sharp: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
::selection { background: var(--accent-soft); color: #fff; }

h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; margin: 0; color: #fff; text-wrap: balance; }
h1 { font-size: clamp(40px, 6.2vw, 84px); line-height: 1.02; letter-spacing: -0.035em; }
h2 { font-size: clamp(32px, 4.4vw, 56px); line-height: 1.05; letter-spacing: -0.028em; }
h3 { font-size: clamp(20px, 2vw, 24px); line-height: 1.2; letter-spacing: -0.015em; }
p { margin: 0; text-wrap: pretty; }
.mono { font-family: var(--font-mono); font-feature-settings: "ss01","tnum"; }

/* ============ Layout helpers ============ */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.section { position: relative; padding: clamp(80px, 10vw, 140px) 0; }
.section-tight { padding: clamp(56px, 7vw, 96px) 0; }
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-muted); display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; opacity: 0.6; }
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.lead { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; color: var(--text-muted); max-width: 64ch; }

/* ============ Nav ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px var(--gutter);
  transition: backdrop-filter 200ms var(--ease-sharp), background 200ms var(--ease-sharp), border-color 200ms var(--ease-sharp);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(8,8,12,0.65);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--border);
}
.nav-logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-img {
  display: block;
  height: 44px;
  width: auto;
  /* Subtle outer glow that amplifies the halo already baked into the image */
  filter:
    drop-shadow(0 0 6px rgba(61,189,247,0.45))
    drop-shadow(0 0 18px rgba(255,140,40,0.30));
  transition: filter 240ms var(--ease-sharp), transform 240ms var(--ease-sharp);
  animation: logoPulse 3.6s ease-in-out infinite;
}
.nav-logo:hover .logo-img {
  transform: translateY(-1px);
}
.logo-img.is-footer { height: 54px; }
@keyframes logoPulse {
  0%, 100% {
    filter:
      drop-shadow(0 0 5px rgba(61,189,247,0.40))
      drop-shadow(0 0 14px rgba(255,140,40,0.25));
  }
  50% {
    filter:
      drop-shadow(0 0 8px rgba(61,189,247,0.65))
      drop-shadow(0 0 22px rgba(255,140,40,0.40));
  }
}
@media (prefers-reduced-motion: reduce) {
  .logo-img { animation: none; }
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--text-muted); font-size: 14px; transition: color 150ms var(--ease-sharp); }
.nav-links a:hover { color: var(--text); }
.nav-cta-wrap { display: flex; align-items: center; gap: 12px; }
.nav-cta { opacity: 0; transform: translateY(-4px); transition: opacity 220ms var(--ease-sharp), transform 220ms var(--ease-sharp); pointer-events: none; }
.nav.is-scrolled .nav-cta { opacity: 1; transform: translateY(0); pointer-events: auto; }
@media (max-width: 820px) {
  .nav-links { display: none; }
}

/* ============ Buttons ============ */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-display); font-weight: 500; font-size: 15px; letter-spacing: -0.005em;
  border-radius: 999px;
  transition: transform 160ms var(--ease-sharp), background 160ms var(--ease-sharp), color 160ms var(--ease-sharp), box-shadow 160ms var(--ease-sharp);
  white-space: nowrap;
}
.btn .arrow { transition: transform 200ms var(--ease-sharp); }
.btn:hover .arrow { transform: translateX(3px); }
.btn-primary {
  background: #fff; color: #08080C;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.18), 0 12px 40px -10px var(--accent-glow);
  overflow: hidden;
}
.btn-primary:hover { box-shadow: 0 0 0 1px rgba(255,255,255,0.22), 0 14px 48px -8px var(--accent-glow); }
.btn-primary .glow {
  position: absolute; inset: -1px; pointer-events: none; border-radius: inherit; opacity: 0;
  background: radial-gradient(180px circle at var(--mx, 50%) var(--my, 50%), rgba(61,189,247,0.55), transparent 60%);
  mix-blend-mode: screen; transition: opacity 150ms var(--ease-sharp);
}
.btn-primary:hover .glow { opacity: 1; }
.btn-ghost {
  background: rgba(255,255,255,0.04); color: var(--text);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}
.btn-ghost:hover { background: rgba(255,255,255,0.07); }
.btn-sm { padding: 9px 14px; font-size: 13px; }
.btn-lg { padding: 18px 28px; font-size: 17px; }

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: clamp(140px, 18vw, 200px) 0 clamp(80px, 10vw, 120px);
  overflow: hidden;
  isolation: isolate;
}
.hero-mesh {
  position: absolute; inset: -10%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(40% 50% at 20% 30%, rgba(61,189,247,0.22), transparent 60%),
    radial-gradient(35% 45% at 75% 25%, rgba(155,107,255,0.20), transparent 60%),
    radial-gradient(50% 55% at 50% 95%, rgba(16,209,148,0.10), transparent 60%);
  filter: blur(40px) saturate(120%);
  animation: meshDrift 22s ease-in-out infinite alternate;
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.7), transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.7), transparent 70%);
}
.hero-noise {
  position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0.5;
  background: radial-gradient(ellipse at 50% 0%, rgba(8,8,12,0) 0%, var(--bg) 75%);
}
@keyframes meshDrift {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(-3%, 2%) scale(1.05); }
  100% { transform: translate(2%, -2%) scale(1.02); }
}
.hero-head { max-width: 980px; }
.hero h1 .accent {
  background: linear-gradient(120deg, #fff 0%, #fff 40%, var(--accent) 70%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin-top: 26px; max-width: 64ch; font-size: clamp(17px, 1.55vw, 21px); color: var(--text-muted); line-height: 1.5; }
.hero-cta-row { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-trust {
  margin-top: 72px; padding-top: 28px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: clamp(20px, 4vw, 56px); flex-wrap: wrap;
}
.hero-trust-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); }
.hero-trust-logos { display: flex; gap: clamp(22px, 3.5vw, 44px); align-items: center; flex-wrap: wrap; }
.trust-logo { font-family: var(--font-display); font-weight: 500; font-size: 17px; color: var(--text-muted); letter-spacing: -0.015em; opacity: 0.85; }

/* ============ Reveal ============ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease-sharp), transform 700ms var(--ease-sharp); }
.reveal.is-in { opacity: 1; transform: none; }

/* ============ Problem stats ============ */
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); margin-top: 56px; }
@media (max-width: 820px) { .stat-grid { grid-template-columns: 1fr; } }
.stat-card {
  position: relative;
  padding: 36px 28px 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: 0.6;
}
.stat-value { font-family: var(--font-mono); font-weight: 500; font-size: clamp(48px, 6vw, 84px); color: #fff; letter-spacing: -0.04em; line-height: 1; }
.stat-value .unit { color: var(--accent); }
.stat-label { margin-top: 18px; font-size: 17px; color: var(--text); line-height: 1.4; max-width: 28ch; }
.stat-source { margin-top: 20px; font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); letter-spacing: 0.05em; }

/* ============ How it works ============ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); margin-top: 56px; counter-reset: step; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
.step {
  position: relative;
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev-1);
}
.step-num { font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: 0.08em; }
.step-title { margin-top: 18px; font-family: var(--font-display); font-size: 26px; font-weight: 600; color: #fff; letter-spacing: -0.02em; }
.step-body { margin-top: 12px; color: var(--text-muted); font-size: 16px; }

/* ============ Services ============ */
.services-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.filter-tabs {
  margin-top: 44px;
  display: flex; gap: 8px; flex-wrap: wrap;
  padding: 6px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: fit-content;
}
.filter-tab {
  padding: 10px 18px;
  font-size: 14px;
  font-family: var(--font-display); font-weight: 500;
  border-radius: 999px;
  color: var(--text-muted);
  transition: color 150ms var(--ease-sharp), background 150ms var(--ease-sharp);
  white-space: nowrap;
}
.filter-tab:hover { color: var(--text); }
.filter-tab.is-active { background: rgba(255,255,255,0.08); color: #fff; box-shadow: inset 0 0 0 1px var(--border-strong); }
.filter-count { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); margin-left: 8px; }

.service-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
@media (max-width: 1100px) { .service-grid { grid-template-columns: repeat(6, 1fr); } }
@media (max-width: 700px) { .service-grid { grid-template-columns: 1fr; gap: 12px; } }

.svc-card {
  grid-column: span 4;
  position: relative;
  padding: 24px 22px 22px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex; flex-direction: column;
  min-height: 270px;
  transition: border-color 200ms var(--ease-sharp), transform 200ms var(--ease-sharp), background 200ms var(--ease-sharp);
}
.svc-card:hover { border-color: var(--border-strong); background: var(--bg-elev-2); }
@media (max-width: 1100px) { .svc-card { grid-column: span 3; } }
@media (max-width: 820px)  { .svc-card { grid-column: span 6; } }
@media (max-width: 700px)  { .svc-card { grid-column: span 1; min-height: 0; } }

/* asymmetric: every 5th and 9th take a half-row of emphasis */
.svc-card.is-wide { grid-column: span 8; }
@media (max-width: 1100px) { .svc-card.is-wide { grid-column: span 6; } }
@media (max-width: 820px)  { .svc-card.is-wide { grid-column: span 6; } }
@media (max-width: 700px)  { .svc-card.is-wide { grid-column: span 1; } }

.svc-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.svc-tier {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 5px 9px; border-radius: 6px;
  background: rgba(255,255,255,0.04); color: var(--text-muted); border: 1px solid var(--border);
}
.svc-tier.tier-starter  { color: #BCEAFF; border-color: rgba(61,189,247,0.30); background: rgba(61,189,247,0.06); }
.svc-tier.tier-growth   { color: #C8B9FF; border-color: rgba(155,107,255,0.30); background: rgba(155,107,255,0.06); }
.svc-tier.tier-dominate { color: #FFE7AA; border-color: rgba(255,189,90,0.30); background: rgba(255,189,90,0.06); }
.svc-cat {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim);
}
.svc-name { margin-top: 16px; font-family: var(--font-display); font-weight: 600; font-size: 20px; color: #fff; letter-spacing: -0.015em; line-height: 1.2; }
.svc-tag { margin-top: 8px; color: var(--text-muted); font-size: 14px; font-style: italic; }
.svc-stat {
  margin-top: 18px;
  padding: 12px 14px;
  background: rgba(16,209,148,0.06);
  border: 1px solid rgba(16,209,148,0.18);
  border-radius: var(--radius-sm);
}
.svc-stat-hook { color: #fff; font-size: 13px; font-weight: 500; line-height: 1.4; }
.svc-stat-src { margin-top: 6px; font-family: var(--font-mono); font-size: 10px; color: var(--proof); letter-spacing: 0.04em; }
.svc-foot { margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.svc-price { font-family: var(--font-mono); font-weight: 500; font-size: 16px; color: #fff; }
.svc-price .per { color: var(--text-dim); font-size: 12px; }
.svc-more { font-size: 13px; color: var(--accent); font-family: var(--font-display); display: inline-flex; align-items: center; gap: 6px; }
.svc-more:hover { color: #fff; }

.expand-all { margin-top: 32px; display: flex; justify-content: center; }

/* Service detail panel */
.svc-panel-backdrop {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(4,4,8,0.65); backdrop-filter: blur(8px);
  display: flex; justify-content: flex-end;
  animation: fadeIn 200ms var(--ease-sharp);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.svc-panel {
  width: min(560px, 96vw);
  height: 100%;
  background: var(--bg-elev-1);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 28px clamp(20px, 3vw, 36px) 40px;
  animation: slideIn 240ms var(--ease-sharp);
}
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.svc-panel-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.svc-panel-close { width: 36px; height: 36px; border-radius: 999px; display: grid; place-items: center; background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text-muted); }
.svc-panel-close:hover { color: #fff; }
.svc-panel h3 { margin-top: 20px; font-size: 32px; }
.svc-panel .panel-tag { margin-top: 8px; color: var(--accent); font-size: 16px; font-style: italic; }
.svc-panel-section { margin-top: 28px; }
.svc-panel-section h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); font-weight: 500; margin-bottom: 12px; }
.svc-panel-section p { color: var(--text); font-size: 15px; line-height: 1.55; }
.svc-panel-section ul { padding-left: 0; list-style: none; display: grid; gap: 8px; }
.svc-panel-section ul li { color: var(--text); font-size: 14px; padding-left: 22px; position: relative; }
.svc-panel-section ul li::before { content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 1px; background: var(--accent); }
.svc-panel-cta { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ============ Bundles ============ */
.bundle-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.bundle {
  grid-column: span 6;
  padding: 36px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}
.bundle.is-featured {
  grid-column: span 12;
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(155,107,255,0.18), transparent 60%),
    radial-gradient(50% 70% at 0% 100%, rgba(61,189,247,0.16), transparent 60%),
    linear-gradient(180deg, #14141C, #0E0E14);
  border-color: rgba(61,189,247,0.30);
}
.bundle.is-dominator { grid-column: span 12; background: linear-gradient(180deg, #0F0F16, #0A0A10); }
@media (max-width: 900px) { .bundle, .bundle.is-featured, .bundle.is-dominator { grid-column: span 12; } }

.bundle-tag {
  position: absolute; top: 24px; right: 24px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--violet)); color: #08080C; font-weight: 600;
}
.bundle-name { font-family: var(--font-display); font-size: clamp(28px, 3.3vw, 40px); font-weight: 600; color: #fff; letter-spacing: -0.025em; line-height: 1.05; }
.bundle-sub { margin-top: 10px; color: var(--accent); font-size: 15px; font-style: italic; }
.bundle-includes { margin-top: 28px; display: grid; gap: 10px; }
.bundle-includes div {
  display: flex; align-items: center; gap: 12px;
  color: var(--text); font-size: 15px;
}
.bundle-includes div::before {
  content: ""; width: 16px; height: 16px; border-radius: 4px;
  background: var(--accent-soft); display: grid; place-items: center; flex: none;
  background-image: linear-gradient(135deg, var(--accent), var(--violet));
  mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 8.5l3 3 7-7' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 8.5l3 3 7-7' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  mask-size: 16px; -webkit-mask-size: 16px;
}
.bundle-math { margin-top: 28px; padding: 20px 22px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: var(--radius-md); }
.bundle-math-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--proof); }
.bundle-math-body { margin-top: 8px; color: var(--text); font-size: 14px; line-height: 1.5; }
.bundle-foot { margin-top: 28px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.bundle-price { font-family: var(--font-mono); display: flex; align-items: baseline; gap: 12px; }
.bundle-was { color: var(--text-dim); text-decoration: line-through; font-size: 16px; }
.bundle-now { color: #fff; font-size: clamp(28px, 3vw, 36px); font-weight: 500; letter-spacing: -0.02em; }
.bundle-now .per { color: var(--text-dim); font-size: 14px; margin-left: 4px; }

/* ============ Proof ============ */
.proof-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .proof-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .proof-grid { grid-template-columns: 1fr; } }
.proof-card {
  text-align: left;
  padding: 28px 24px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex; flex-direction: column;
  transition: border-color 200ms var(--ease-sharp), transform 200ms var(--ease-sharp);
  width: 100%;
}
.proof-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.proof-card .source { font-family: var(--font-display); font-size: 18px; color: #fff; font-weight: 600; letter-spacing: -0.015em; }
.proof-card .finding { margin-top: 12px; color: var(--text); font-size: 15px; line-height: 1.45; }
.proof-card .more { margin-top: 18px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--accent); }

.modal-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(4,4,8,0.7); backdrop-filter: blur(10px);
  display: grid; place-items: center; padding: var(--gutter);
  animation: fadeIn 200ms var(--ease-sharp);
}
.modal {
  width: min(620px, 100%);
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px clamp(24px, 3vw, 40px);
  animation: slideIn 220ms var(--ease-sharp);
}
.modal-close { float: right; width: 36px; height: 36px; border-radius: 999px; display: grid; place-items: center; background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text-muted); }
.modal h3 { font-size: 28px; }
.modal .modal-sub { color: var(--accent); margin-top: 6px; font-size: 14px; font-style: italic; }
.modal .modal-body { margin-top: 22px; color: var(--text); font-size: 15px; line-height: 1.6; }
.modal .modal-citation { margin-top: 20px; padding: 16px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* ============ Calculator ============ */
.calc-wrap {
  position: relative;
  margin-top: 48px;
  padding: clamp(28px, 4vw, 52px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(80% 100% at 0% 0%, rgba(61,189,247,0.12), transparent 60%),
    radial-gradient(80% 100% at 100% 100%, rgba(155,107,255,0.10), transparent 60%),
    linear-gradient(180deg, #11111A, #0B0B12);
  border: 1px solid rgba(61,189,247,0.22);
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: stretch;
}
@media (max-width: 900px) { .calc-wrap { grid-template-columns: 1fr; } }
.calc-input-row { margin-bottom: 28px; }
.calc-input-row:last-child { margin-bottom: 0; }
.calc-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-family: var(--font-display); font-size: 15px; color: var(--text); font-weight: 500; }
.calc-label .calc-value { font-family: var(--font-mono); color: var(--accent); }
.calc-range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; background: rgba(255,255,255,0.06); border-radius: 999px; margin-top: 14px; outline: none;
}
.calc-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 999px; background: #fff; box-shadow: 0 0 0 4px rgba(61,189,247,0.30), 0 0 24px var(--accent-glow); cursor: pointer; transition: transform 120ms var(--ease-sharp); }
.calc-range::-webkit-slider-thumb:active { transform: scale(1.1); }
.calc-range::-moz-range-thumb { width: 22px; height: 22px; border: none; border-radius: 999px; background: #fff; box-shadow: 0 0 0 4px rgba(61,189,247,0.30); cursor: pointer; }
.calc-range-track {
  position: relative; height: 6px; background: rgba(255,255,255,0.06); border-radius: 999px; margin-top: 14px;
  overflow: hidden;
}
.calc-helper { margin-top: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); display: flex; justify-content: space-between; }
.calc-output { display: flex; flex-direction: column; justify-content: center; padding: 28px; background: rgba(0,0,0,0.35); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.calc-out-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }
.calc-out-number { margin-top: 14px; font-family: var(--font-mono); font-weight: 500; font-size: clamp(48px, 7vw, 92px); letter-spacing: -0.04em; color: #fff; line-height: 0.95; }
.calc-out-number .currency { color: var(--accent); margin-right: 4px; }
.calc-out-period { margin-top: 4px; color: var(--text-muted); font-size: 16px; }
.calc-breakdown { margin-top: 22px; display: grid; gap: 8px; }
.calc-breakdown-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.calc-breakdown-row:last-child { border-bottom: none; }
.calc-breakdown-label { color: var(--text-muted); font-size: 13px; }
.calc-breakdown-label small { display: block; font-size: 10px; color: var(--text-dim); margin-top: 2px; font-family: var(--font-mono); letter-spacing: 0.06em; }
.calc-breakdown-value { font-family: var(--font-mono); color: #fff; font-size: 14px; }
.calc-cta { margin-top: 24px; }

/* ============ Timeline ============ */
.timeline { margin-top: 56px; position: relative; }
.timeline-track { position: absolute; top: 38px; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--border), var(--accent-soft), var(--border)); }
.timeline-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
@media (max-width: 820px) { .timeline-grid { grid-template-columns: 1fr; } .timeline-track { display: none; } }
.tl-node {
  display: flex; flex-direction: column; align-items: flex-start; gap: 12px;
  padding-top: 0;
}
.tl-dot {
  width: 14px; height: 14px; border-radius: 999px; background: var(--bg);
  box-shadow: 0 0 0 2px var(--accent), 0 0 18px var(--accent-glow);
  margin-top: 32px; position: relative;
}
.tl-day { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.tl-title { font-family: var(--font-display); font-weight: 600; font-size: 20px; color: #fff; letter-spacing: -0.015em; }
.tl-body { color: var(--text-muted); font-size: 14px; }

/* ============ FAQ ============ */
.faq { margin-top: 48px; max-width: 880px; }
.faq-row {
  border-top: 1px solid var(--border);
}
.faq-row:last-of-type { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 0; color: #fff; font-family: var(--font-display); font-weight: 500; font-size: 19px; letter-spacing: -0.01em;
}
.faq-q:hover { color: var(--accent); }
.faq-icon { width: 22px; height: 22px; flex: none; position: relative; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; background: currentColor; border-radius: 1px; transition: transform 220ms var(--ease-sharp); }
.faq-icon::before { width: 14px; height: 2px; transform: translate(-50%,-50%); }
.faq-icon::after  { width: 2px; height: 14px; transform: translate(-50%,-50%); }
.faq-row.is-open .faq-icon::after { transform: translate(-50%,-50%) scaleY(0); }
.faq-a {
  max-height: 0; overflow: hidden;
  color: var(--text-muted); font-size: 16px; line-height: 1.6;
}
/* Snap open instantly (no max-height transition — it stalls at 0 in some
   render environments). Polish comes from a keyframe fade on the inner
   content, which fails safe to fully visible if it doesn't play. */
.faq-row.is-open .faq-a { max-height: 1200px; }
.faq-a-inner { padding: 0 0 22px; max-width: 70ch; }
.faq-row.is-open .faq-a-inner { animation: faqReveal 300ms var(--ease-sharp); }
@keyframes faqReveal { from { opacity: 0; transform: translateY(-6px); } }

/* ============ Final CTA ============ */
.final-cta {
  margin-top: clamp(80px, 10vw, 140px);
  padding: clamp(80px, 12vw, 160px) 0;
  text-align: center;
  position: relative; overflow: hidden;
  background:
    radial-gradient(60% 80% at 50% 100%, rgba(61,189,247,0.18), transparent 60%),
    radial-gradient(50% 60% at 50% 0%, rgba(155,107,255,0.10), transparent 60%);
  border-top: 1px solid var(--border);
}
.final-cta h2 { font-size: clamp(40px, 6vw, 80px); }
.final-cta .lead { margin: 24px auto 0; }
.final-cta .btn-lg { margin-top: 40px; }

/* ============ Footer ============ */
.footer {
  padding: 56px 0 40px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h5 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dim); margin: 0 0 14px; font-weight: 500; }
.footer-col a { display: block; color: var(--text-muted); font-size: 14px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); letter-spacing: 0.04em; }

/* ============ Mobile sticky CTA ============ */
.mobile-cta-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(8,8,12,0.85); backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  display: none;
}
.mobile-cta-bar .btn { width: 100%; }
@media (max-width: 700px) { .mobile-cta-bar.is-visible { display: block; } body { padding-bottom: 80px; } }

/* ============ Scroll-depth floating card ============ */
.float-card {
  position: fixed; right: 24px; bottom: 24px; z-index: 35;
  max-width: 320px;
  padding: 18px 20px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(61,189,247,0.1);
  transform: translateY(20px); opacity: 0; pointer-events: none;
  transition: transform 260ms var(--ease-sharp), opacity 260ms var(--ease-sharp);
}
.float-card.is-visible { transform: none; opacity: 1; pointer-events: auto; }
.float-card-title { font-family: var(--font-display); font-weight: 600; font-size: 16px; color: #fff; }
.float-card-body { margin-top: 6px; font-size: 13px; color: var(--text-muted); }
.float-card .btn { margin-top: 14px; width: 100%; padding: 10px 14px; font-size: 13px; }
.float-card-close { position: absolute; top: 8px; right: 8px; width: 24px; height: 24px; border-radius: 999px; display: grid; place-items: center; color: var(--text-dim); font-size: 18px; line-height: 1; }
@media (max-width: 700px) { .float-card { display: none; } }