/* ============================================================
   Генератор КП BVMAX — kp.bvmax.ru
   Brand system: editorial business paper × precision SaaS
   by bvmax (ООО БВМ)
   ============================================================ */

:root {
  /* Primary ink (наследовано из Документатора, ровно те же значения) */
  --ink-900: #0E1B2E;
  --ink-800: #1A2A4A;
  --ink-700: #243657;
  --paper: #FAFAF7;
  --paper-pure: #FFFFFF;
  --paper-cream: #F5F1E8;

  /* Graphite */
  --graphite-900: #1F2937;
  --graphite-700: #374151;
  --graphite-500: #6B7280;
  --graphite-400: #9CA3AF;
  --graphite-300: #D1D5DB;
  --graphite-200: #E5E7EB;
  --graphite-100: #F3F4F6;
  --graphite-50:  #F9FAFB;

  /* Indigo (primary CTA) */
  --indigo-900: #312E81;
  --indigo-800: #3730A3;
  --indigo-700: #4338CA;
  --indigo-600: #4F46E5;
  --indigo-500: #6366F1;
  --indigo-100: #E0E7FF;
  --indigo-50:  #EEF2FF;

  /* Amber (money / numbers accent — фирменная фишка КП-лендинга) */
  --amber-900: #78350F;
  --amber-700: #B45309;
  --amber-500: #F59E0B;
  --amber-200: #FDE68A;
  --amber-100: #FEF3C7;
  --amber-50:  #FFFBEB;

  /* Status */
  --success: #15803D;
  --warning: #B45309;
  --error: #B91C1C;
  --info: #1D4ED8;

  /* Typography */
  --font-display: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Spacing scale (4px base) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-14: 56px;
  --s-16: 64px;
  --s-20: 80px;
  --s-24: 96px;
  --s-32: 128px;

  /* Layout */
  --max-w: 1200px;
  --max-w-narrow: 880px;
  --max-w-prose: 680px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-sm: 4px;
  --border: 1px solid var(--graphite-200);
  --border-strong: 1px solid var(--graphite-300);
  --border-ink: 1px solid var(--ink-900);
  --hairline: 1px solid var(--graphite-200);

  /* Editorial shadows — sparse, не разлиты повсюду */
  --shadow-card: 0 1px 2px rgba(14, 27, 46, 0.04), 0 4px 12px rgba(14, 27, 46, 0.06);
  --shadow-card-hover: 0 2px 4px rgba(14, 27, 46, 0.06), 0 12px 24px rgba(14, 27, 46, 0.10);
  --shadow-paper: 0 0 0 1px var(--graphite-200), 0 1px 0 rgba(14, 27, 46, 0.02), 0 8px 28px rgba(14, 27, 46, 0.08);
  --shadow-paper-lifted: 0 0 0 1px var(--graphite-200), 0 12px 32px rgba(14, 27, 46, 0.14);
}

/* ============================================================
   Reset / base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--graphite-900);
  background: var(--paper);
  font-feature-settings: "ss01", "cv02", "cv11", "tnum";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a {
  color: var(--indigo-800);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover { color: var(--indigo-700); text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--indigo-600);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Scroll progress (тонкая индиго-линия вверху) */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--indigo-700);
  width: 0;
  z-index: 100;
  transition: width .08s linear;
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 0 0 var(--s-4);
}
h1 {
  font-size: clamp(40px, 5.6vw, 72px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.04;
}
h2 {
  font-size: clamp(28px, 3.6vw, 48px);
  letter-spacing: -0.025em;
}
h3 { font-size: clamp(20px, 2.2vw, 28px); font-weight: 700; }
h4 { font-size: 18px; font-weight: 600; }

p { margin: 0 0 var(--s-4); }
.lead {
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--graphite-700);
  line-height: 1.5;
  max-width: 56ch;
}

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
  font-feature-settings: "ss01", "zero";
}

/* Eyebrow — фирменный editorial-marker секций */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite-500);
  margin: 0 0 var(--s-5);
}
.eyebrow::before {
  content: "§";
  font-weight: 700;
  color: var(--amber-700);
}

/* Highlight для денег и важных чисел — amber-marker */
.hl-money {
  font-family: var(--font-mono);
  font-feature-settings: "tnum", "zero";
  background: linear-gradient(180deg, transparent 60%, var(--amber-100) 60%);
  padding: 0 .15em;
  color: var(--ink-900);
  font-weight: 600;
  white-space: nowrap;
}
.hl-ink {
  background: linear-gradient(180deg, transparent 62%, var(--indigo-100) 62%);
  padding: 0 .15em;
}

/* ============================================================
   Layout primitives
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--s-6);
}
.section { padding: var(--s-20) 0; position: relative; }
.section--tight { padding: var(--s-12) 0; }
.section--hairline { border-top: var(--hairline); }
.section--ink {
  background: var(--ink-900);
  color: var(--paper);
}
.section--ink h2,
.section--ink h3,
.section--ink h4 { color: var(--paper); }
.section--ink .lead { color: rgba(250, 250, 247, 0.78); }
.section--ink .eyebrow { color: rgba(250, 250, 247, 0.55); }
.section--ink .eyebrow::before { color: var(--amber-500); }
.section--cream { background: var(--paper-cream); }

.section__head {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-bottom: var(--s-12);
  max-width: 720px;
}

@media (max-width: 880px) {
  .section { padding: var(--s-14) 0; }
  .section__head { margin-bottom: var(--s-10); }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 14px 24px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .18s cubic-bezier(.4,.0,.2,1);
  white-space: nowrap;
  text-decoration: none;
}
.btn--primary {
  background: var(--indigo-700);
  color: var(--paper-pure);
}
.btn--primary:hover {
  background: var(--indigo-800);
  color: var(--paper-pure);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(67, 56, 202, 0.32);
}
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--graphite-300);
}
.btn--ghost:hover {
  background: var(--paper-pure);
  border-color: var(--ink-900);
  color: var(--ink-900);
  text-decoration: none;
}
.btn--ghost-light {
  background: transparent;
  color: var(--paper);
  border-color: rgba(250, 250, 247, 0.3);
}
.btn--ghost-light:hover {
  background: rgba(250, 250, 247, 0.08);
  border-color: var(--paper);
  color: var(--paper);
  text-decoration: none;
}
.btn--lg { padding: 18px 32px; font-size: 18px; }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--block { width: 100%; justify-content: center; }

.btn-arrow::after {
  content: "→";
  margin-left: var(--s-1);
  transition: transform .15s ease;
  font-family: var(--font-mono);
}
.btn:hover .btn-arrow::after { transform: translateX(4px); }

/* Safari override (как и на основном лендинге) */
.nav a.btn--primary { color: #FFFFFF !important; }

/* ============================================================
   Header / nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: var(--hairline);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-3) var(--s-6);
  max-width: var(--max-w);
  margin: 0 auto;
  gap: var(--s-6);
}
.brand-block {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
}
.brand-block:hover { text-decoration: none; }
.brand-mark {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-900);
  color: var(--paper);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.02em;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--ink-900);
  letter-spacing: -0.02em;
}
.brand-by {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--graphite-500);
  text-transform: lowercase;
  border-left: var(--hairline);
  padding-left: var(--s-3);
  margin-left: var(--s-1);
}
.brand-by strong { color: var(--ink-900); font-weight: 700; }

.nav {
  display: flex;
  align-items: center;
  gap: var(--s-6);
}
.nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--s-6);
}
.nav__list a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14.5px;
  color: var(--graphite-700);
  position: relative;
  padding: 4px 0;
}
.nav__list a:hover {
  color: var(--ink-900);
  text-decoration: none;
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--ink-900);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}
.nav__list a:hover::after { transform: scaleX(1); }
.nav__cta { display: inline-flex; }

.nav__toggle {
  display: none;
  background: transparent;
  border: var(--hairline);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink-900);
  margin: 4px 0;
}

@media (max-width: 900px) {
  .nav__list, .nav__cta { display: none; }
  .nav__toggle { display: inline-block; }
  .nav--open + .nav__cta { display: inline-flex; }
  .nav.is-open { position: absolute; top: 100%; left: 0; right: 0;
                 background: var(--paper); border-bottom: var(--hairline);
                 padding: var(--s-6); flex-direction: column; align-items: stretch; }
  .nav.is-open .nav__list { display: flex; flex-direction: column; gap: var(--s-3); }
  .nav.is-open .nav__cta { display: inline-flex; margin-top: var(--s-3); }
}

/* ============================================================
   HERO — kp-hero
   ============================================================ */
.kp-hero {
  padding: var(--s-16) 0 var(--s-20);
  position: relative;
  overflow: hidden;
}
.kp-hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--s-16);
  align-items: center;
}
.kp-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite-500);
  margin-bottom: var(--s-6);
}
.kp-hero__meta span { display: inline-flex; align-items: center; gap: var(--s-2); }
.kp-hero__meta span::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--amber-500);
  border-radius: 50%;
  flex-shrink: 0;
}
.kp-hero__meta span:not(:first-child)::before { background: var(--graphite-300); }
.kp-hero__meta .dot { width: 3px; height: 3px; background: var(--graphite-300); border-radius: 50%; }
.kp-hero__meta .dot::before { display: none; }

.kp-hero__title {
  margin: 0 0 var(--s-6);
  font-size: clamp(40px, 5.6vw, 76px);
  line-height: 1.02;
}
.kp-hero__title .hl-money { font-family: var(--font-display); font-weight: 800; }

.kp-hero__lead {
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--graphite-700);
  line-height: 1.5;
  max-width: 56ch;
  margin: 0 0 var(--s-8);
}

.kp-hero__cta {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-bottom: var(--s-6);
}

.kp-hero__trust {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--graphite-500);
}
.kp-hero__trust span {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
}
.kp-hero__trust span::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  font-family: var(--font-body);
}
.kp-hero__trust .sep { width: 1px; height: 14px; background: var(--graphite-300); }
.kp-hero__trust .sep::before { display: none; }

/* Carousel — стопка листов A4 */
.kp-stack {
  position: relative;
  aspect-ratio: 5 / 6;
  max-width: 520px;
  margin-left: auto;
}
.kp-stack__viewport {
  position: relative;
  width: 100%;
  height: 100%;
  perspective: 1400px;
}
.kp-stack__slide {
  position: absolute;
  inset: 0;
  background: var(--paper-pure);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  overflow: hidden;
  transition: opacity .5s cubic-bezier(.4,0,.2,1),
              transform .5s cubic-bezier(.4,0,.2,1);
  opacity: 0;
  transform: translateY(20px) scale(0.94);
  pointer-events: none;
}
.kp-stack__slide.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  z-index: 3;
  box-shadow: var(--shadow-paper-lifted);
}
.kp-stack__slide.is-prev {
  opacity: 0.45;
  transform: translate(-32px, 16px) scale(0.92) rotate(-2deg);
  z-index: 2;
}
.kp-stack__slide.is-next {
  opacity: 0.45;
  transform: translate(32px, 16px) scale(0.92) rotate(2deg);
  z-index: 2;
}
.kp-stack__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.kp-stack__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--s-5);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite-500);
}
.kp-stack__nav {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.kp-stack__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: var(--hairline);
  border-radius: var(--radius-sm);
  color: var(--graphite-700);
  cursor: pointer;
  transition: all .15s ease;
  font-family: var(--font-mono);
}
.kp-stack__btn:hover {
  border-color: var(--ink-900);
  color: var(--ink-900);
  background: var(--paper-pure);
}
.kp-stack__counter {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}
.kp-stack__counter strong { color: var(--ink-900); font-weight: 700; }
.kp-stack__counter span { color: var(--graphite-400); }

.kp-stack__dots {
  display: flex;
  gap: 6px;
}
.kp-stack__dot {
  width: 24px;
  height: 2px;
  background: var(--graphite-200);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background .2s ease;
}
.kp-stack__dot:hover { background: var(--graphite-400); }
.kp-stack__dot.is-active { background: var(--ink-900); }

.kp-stack__caption {
  display: block;
  margin-top: var(--s-3);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--graphite-500);
  letter-spacing: 0.04em;
  text-align: right;
}

@media (max-width: 980px) {
  .kp-hero__inner { grid-template-columns: 1fr; gap: var(--s-12); }
  .kp-stack { margin-left: 0; max-width: 100%; }
}
@media (max-width: 600px) {
  .kp-hero { padding: var(--s-12) 0 var(--s-14); }
  .kp-hero__cta .btn { flex: 1 1 100%; justify-content: center; }
  .kp-hero__trust { flex-wrap: wrap; gap: var(--s-2) var(--s-3); }
  .kp-stack { aspect-ratio: 4 / 5; }
}

/* ============================================================
   TRUST ROW — kp-trust
   ============================================================ */
.kp-trust {
  border-top: var(--hairline);
  border-bottom: var(--hairline);
  padding: var(--s-6) 0;
  background: var(--paper);
}
.kp-trust__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--graphite-700);
}
.kp-trust__label {
  color: var(--graphite-500);
  font-size: 11px;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.kp-trust__items {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  flex-wrap: wrap;
}
.kp-trust__item {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  position: relative;
}
.kp-trust__item + .kp-trust__item::before {
  content: "/";
  color: var(--graphite-300);
  margin-right: var(--s-3);
  font-weight: 400;
}

/* ============================================================
   COMPARE (до/после) — kp-compare
   ============================================================ */
.kp-compare {
  padding: var(--s-20) 0;
}
.kp-compare__grid {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  align-items: stretch;
  gap: 0;
  position: relative;
  margin-top: var(--s-10);
}
.kp-compare__col {
  padding: var(--s-10) var(--s-8);
  position: relative;
}
.kp-compare__col--before {
  background: var(--graphite-50);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}
.kp-compare__col--after {
  background: var(--paper-pure);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  box-shadow: inset 0 0 0 1px var(--indigo-100);
}
.kp-compare__divider {
  background: var(--graphite-200);
}
.kp-compare__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: var(--s-5);
}
.kp-compare__tag--bad {
  background: var(--graphite-200);
  color: var(--graphite-700);
}
.kp-compare__tag--good {
  background: var(--indigo-700);
  color: var(--paper);
}
.kp-compare__number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(64px, 9vw, 120px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--ink-900);
  margin-bottom: var(--s-2);
}
.kp-compare__col--before .kp-compare__number { color: var(--graphite-400); }
.kp-compare__col--after .kp-compare__number { color: var(--indigo-700); }
.kp-compare__unit {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite-500);
  margin-bottom: var(--s-6);
}
.kp-compare__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--ink-900);
  margin: 0 0 var(--s-3);
  letter-spacing: -0.02em;
}
.kp-compare__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.kp-compare__list li {
  display: flex;
  gap: var(--s-3);
  font-size: 15px;
  color: var(--graphite-700);
  line-height: 1.5;
}
.kp-compare__list li::before {
  content: "—";
  color: var(--graphite-400);
  flex-shrink: 0;
  font-family: var(--font-mono);
}
.kp-compare__col--after .kp-compare__list li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
}

@media (max-width: 880px) {
  .kp-compare__grid { grid-template-columns: 1fr; }
  .kp-compare__col--before { border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
  .kp-compare__col--after { border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
  .kp-compare__divider { height: 1px; width: 100%; }
}

/* ============================================================
   PRESETS — kp-presets
   ============================================================ */
.kp-presets__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
  align-items: start;
}
.kp-preset {
  background: var(--paper-pure);
  border-radius: var(--radius-lg);
  padding: var(--s-8);
  border: var(--hairline);
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.kp-preset:nth-child(1) { transform: rotate(-1deg); }
.kp-preset:nth-child(2) { transform: rotate(0); z-index: 2; }
.kp-preset:nth-child(3) { transform: rotate(1deg); }
.kp-preset:hover {
  transform: rotate(0) translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--graphite-300);
  z-index: 5;
}
.kp-preset__num {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite-500);
  margin-bottom: var(--s-5);
}
.kp-preset__num::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--amber-700);
}
.kp-preset__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  margin: 0 0 var(--s-2);
  color: var(--ink-900);
  letter-spacing: -0.02em;
}
.kp-preset__why {
  font-size: 14.5px;
  color: var(--graphite-700);
  line-height: 1.5;
  margin: 0 0 var(--s-6);
}
.kp-preset__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  border-top: var(--hairline);
  padding-top: var(--s-5);
}
.kp-preset__list li {
  display: flex;
  gap: var(--s-3);
  font-size: 14px;
  color: var(--graphite-700);
  line-height: 1.5;
}
.kp-preset__list li::before {
  content: counter(li-counter, decimal-leading-zero);
  counter-increment: li-counter;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--graphite-400);
  flex-shrink: 0;
  padding-top: 2px;
  font-weight: 600;
}
.kp-preset__list { counter-reset: li-counter; }
.kp-preset__sample {
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: var(--s-4);
  border-radius: var(--radius-sm);
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
}
.kp-preset__sample .k { color: var(--amber-500); }
.kp-preset__sample .v { color: var(--indigo-500); }
.kp-preset__sample .c { color: var(--graphite-500); }

@media (max-width: 980px) {
  .kp-presets__grid { grid-template-columns: 1fr; }
  .kp-preset { transform: rotate(0) !important; }
}

/* ============================================================
   MCP TOOLS — kp-tools
   ============================================================ */
.kp-tools {
  background: var(--paper-cream);
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}
.kp-tools__count {
  display: flex;
  align-items: baseline;
  gap: var(--s-4);
  margin-bottom: var(--s-10);
  border-bottom: var(--hairline);
  padding-bottom: var(--s-6);
}
.kp-tools__count-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(56px, 8vw, 96px);
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--ink-900);
}
.kp-tools__count-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite-700);
  max-width: 280px;
  line-height: 1.4;
}
.kp-tools__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--s-1);
  border: var(--hairline);
  background: var(--graphite-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.kp-tools__group {
  background: var(--paper);
  padding: var(--s-5) var(--s-4);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  min-height: 240px;
  transition: background .2s ease;
}
.kp-tools__group:hover { background: var(--paper-pure); }
.kp-tools__group-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite-500);
  margin-bottom: 0;
}
.kp-tools__group-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink-900);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.kp-tools__group-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber-700);
  font-weight: 600;
  margin-bottom: var(--s-1);
}
.kp-tools__group-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  border-top: var(--hairline);
  padding-top: var(--s-3);
}
.kp-tools__group-list li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--graphite-700);
  line-height: 1.4;
  font-weight: 500;
}
.kp-tools__group-list li b {
  color: var(--ink-900);
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}

@media (max-width: 1100px) {
  .kp-tools__grid { grid-template-columns: repeat(2, 1fr); }
  .kp-tools__group { min-height: auto; }
}
@media (max-width: 600px) {
  .kp-tools__grid { grid-template-columns: 1fr; }
  .kp-tools__count { flex-direction: column; gap: var(--s-2); }
}

/* ============================================================
   ANTI-LLM (inverted ink) — kp-anti
   ============================================================ */
.kp-anti {
  background: var(--ink-900);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.kp-anti::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(67, 56, 202, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
  pointer-events: none;
}
.kp-anti__inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: var(--s-12);
  align-items: center;
  position: relative;
}
.kp-anti__title {
  font-size: clamp(32px, 4.4vw, 56px);
  margin: 0 0 var(--s-8);
  letter-spacing: -0.03em;
}
.kp-anti__title em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 62%, rgba(245, 158, 11, 0.35) 62%);
  padding: 0 .1em;
}
.kp-anti__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.kp-anti__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-4);
  align-items: start;
  border-top: 1px solid rgba(250, 250, 247, 0.12);
  padding-top: var(--s-4);
}
.kp-anti__list li:first-child { border-top: none; padding-top: 0; }
.kp-anti__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber-500);
  font-weight: 600;
  letter-spacing: 0.06em;
  padding-top: 4px;
}
.kp-anti__item-body {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}
.kp-anti__item-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
  letter-spacing: -0.01em;
}
.kp-anti__item-desc {
  font-size: 14.5px;
  color: rgba(250, 250, 247, 0.7);
  line-height: 1.5;
}

.kp-anti__code {
  background: rgba(14, 27, 46, 0.5);
  border: 1px solid rgba(250, 250, 247, 0.08);
  border-radius: var(--radius);
  padding: var(--s-6);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(250, 250, 247, 0.85);
  overflow-x: auto;
  position: relative;
}
.kp-anti__code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.4);
  margin-bottom: var(--s-4);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid rgba(250, 250, 247, 0.1);
}
.kp-anti__code-header span:first-child { color: var(--amber-500); }
.kp-anti__code pre {
  margin: 0;
  white-space: pre;
  font-family: inherit;
}
.kp-anti__code .kw { color: var(--indigo-500); }
.kp-anti__code .str { color: var(--amber-200); }
.kp-anti__code .com { color: rgba(250, 250, 247, 0.35); font-style: italic; }
.kp-anti__code .num { color: var(--amber-500); }
.kp-anti__code .fn { color: #93C5FD; }
.kp-anti__code .err { color: #FCA5A5; }

@media (max-width: 980px) {
  .kp-anti__inner { grid-template-columns: 1fr; }
}

/* ============================================================
   PRICING — kp-pricing
   ============================================================ */
.kp-pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  align-items: stretch;
}
.kp-plan {
  background: var(--paper-pure);
  border: var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--s-8);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color .2s ease, transform .2s ease;
}
.kp-plan:hover {
  border-color: var(--graphite-300);
  transform: translateY(-2px);
}
.kp-plan--featured {
  border-color: var(--indigo-700);
  border-width: 1.5px;
  background: linear-gradient(180deg, var(--paper-pure) 0%, var(--indigo-50) 100%);
  box-shadow: 0 4px 20px rgba(67, 56, 202, 0.10);
}
.kp-plan__tag {
  position: absolute;
  top: -10px;
  left: var(--s-6);
  background: var(--indigo-700);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}
.kp-plan__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink-900);
  margin: 0 0 var(--s-2);
  letter-spacing: -0.01em;
}
.kp-plan__desc {
  font-size: 13px;
  color: var(--graphite-500);
  margin: 0 0 var(--s-5);
  min-height: 36px;
}
.kp-plan__price {
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
  margin-bottom: var(--s-1);
  border-top: var(--hairline);
  padding-top: var(--s-5);
}
.kp-plan__amount {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 5vw, 56px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--ink-900);
}
.kp-plan__currency {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--graphite-500);
}
.kp-plan__period {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite-500);
  letter-spacing: 0.04em;
  margin-bottom: var(--s-6);
}
.kp-plan__features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  flex-grow: 1;
}
.kp-plan__features li {
  display: flex;
  gap: var(--s-3);
  font-size: 14px;
  color: var(--graphite-700);
  line-height: 1.45;
}
.kp-plan__features li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}
.kp-plan__features li.is-mute { color: var(--graphite-400); }
.kp-plan__features li.is-mute::before { content: "−"; color: var(--graphite-300); }
.kp-plan__cta { width: 100%; justify-content: center; }

.kp-pricing__note {
  text-align: center;
  margin-top: var(--s-8);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--graphite-500);
}
.kp-pricing__note a { color: var(--ink-900); border-bottom: 1px solid var(--graphite-300); }
.kp-pricing__note a:hover { border-color: var(--ink-900); text-decoration: none; }

@media (max-width: 880px) {
  .kp-pricing__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FINAL CTA — kp-final
   ============================================================ */
.kp-final {
  padding: var(--s-24) 0 var(--s-20);
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, var(--indigo-50) 0%, transparent 60%),
    var(--paper);
  border-top: var(--hairline);
}
.kp-final__title {
  font-size: clamp(32px, 4.6vw, 60px);
  max-width: 18ch;
  margin: 0 auto var(--s-6);
  letter-spacing: -0.03em;
}
.kp-final__lead {
  max-width: 52ch;
  margin: 0 auto var(--s-10);
  font-size: 18px;
  color: var(--graphite-700);
}
.kp-final__form {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  gap: var(--s-2);
  border: 1.5px solid var(--ink-900);
  border-radius: var(--radius);
  padding: 6px;
  background: var(--paper-pure);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.kp-final__form:focus-within {
  border-color: var(--indigo-700);
  box-shadow: 0 0 0 4px var(--indigo-100);
}
.kp-final__input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink-900);
  outline: none;
}
.kp-final__input::placeholder { color: var(--graphite-400); }
.kp-final__submit {
  border: none;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s ease;
}
.kp-final__submit:hover { background: var(--indigo-800); }
.kp-final__hint {
  margin-top: var(--s-4);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite-500);
  letter-spacing: 0.04em;
}
.kp-final__status {
  min-height: 24px;
  margin-top: var(--s-3);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--success);
}
.kp-final__status.is-error { color: var(--error); }

@media (max-width: 600px) {
  .kp-final__form { flex-direction: column; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink-900);
  color: rgba(250, 250, 247, 0.8);
  padding: var(--s-16) 0 var(--s-10);
  font-size: 14px;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--s-10);
  padding-bottom: var(--s-10);
  border-bottom: 1px solid rgba(250, 250, 247, 0.12);
}
.site-footer__brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--paper);
  margin-bottom: var(--s-3);
  letter-spacing: -0.02em;
}
.site-footer__tagline {
  font-size: 14px;
  color: rgba(250, 250, 247, 0.6);
  line-height: 1.5;
  margin-bottom: var(--s-4);
  max-width: 36ch;
}
.site-footer__by {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(250, 250, 247, 0.5);
  letter-spacing: 0.06em;
}
.site-footer__by strong { color: var(--paper); font-weight: 700; }
.site-footer__col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.5);
  margin: 0 0 var(--s-4);
  font-weight: 600;
}
.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.site-footer__list a {
  color: rgba(250, 250, 247, 0.78);
  font-size: 14px;
}
.site-footer__list a:hover { color: var(--paper); text-decoration: none; }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-3);
  padding-top: var(--s-6);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(250, 250, 247, 0.5);
  letter-spacing: 0.04em;
}
.site-footer__bottom a {
  color: rgba(250, 250, 247, 0.65);
  border-bottom: 1px solid rgba(250, 250, 247, 0.2);
}

@media (max-width: 880px) {
  .site-footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .site-footer__top { grid-template-columns: 1fr; }
}

/* ============================================================
   Scroll-reveal (IntersectionObserver-driven)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s cubic-bezier(.2,.6,.2,1), transform .7s cubic-bezier(.2,.6,.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal--delay-1 { transition-delay: .08s; }
.reveal--delay-2 { transition-delay: .16s; }
.reveal--delay-3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .kp-preset { transform: rotate(0) !important; }
}

/* ============================================================
   Utilities
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.text-center { text-align: center; }
.text-mono { font-family: var(--font-mono); }