/* Nothing Down Nellore — production static design system */
@layer reset, tokens, base, layout, components, pages, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
  ul, ol { margin: 0; padding: 0; }
  img, svg { display: block; max-width: 100%; }
  button, input, textarea, select { font: inherit; }
}

@layer tokens {
  :root {
    color-scheme: light;
    --ink-950: #050608;
    --ink-900: #111318;
    --ink-800: #252932;
    --ink-700: #3d4552;
    --ink-600: #566170;
    --mist-100: #f4f6f8;
    --mist-200: #e7ebef;
    --paper: #ffffff;
    --blue-700: #164ac6;
    --blue-600: #2d6bff;
    --blue-100: #eaf0ff;
    --cyan-500: #20bfd0;
    --success: #087443;
    --warning: #9a5a00;
    --error: #b42318;
    --focus: #2d6bff;
    --border: #d9dfe6;
    --shadow-sm: 0 10px 30px rgba(17, 19, 24, .07);
    --shadow-lg: 0 34px 80px rgba(17, 19, 24, .14);
    --radius-sm: .45rem;
    --radius-md: .9rem;
    --radius-lg: 1.4rem;
    --radius-pill: 999px;
    --container: 75rem;
    --reading: 46rem;
    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --space-9: 6rem;
    --duration-fast: 140ms;
    --duration: 220ms;
    --ease: cubic-bezier(.2,.8,.2,1);
  }
}

@layer base {
  html { background: var(--ink-950); }
  body {
    min-width: 20rem;
    background: var(--paper);
    color: var(--ink-900);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
  }
  a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
  a:hover { text-decoration-color: var(--blue-600); }
  h1, h2, h3, h4 {
    color: var(--ink-950);
    font-weight: 700;
    letter-spacing: -.035em;
    line-height: 1.08;
    text-wrap: balance;
  }
  h1 { font-size: clamp(2.75rem, 7vw, 6.8rem); }
  h2 { font-size: clamp(2rem, 4vw, 4.3rem); }
  h3 { font-size: clamp(1.15rem, 2vw, 1.55rem); }
  p { color: var(--ink-700); text-wrap: pretty; }
  strong { color: var(--ink-900); }
  :focus-visible { outline: .2rem solid var(--focus); outline-offset: .22rem; }
  ::selection { background: var(--blue-600); color: var(--paper); }
}

@layer layout {
  .container { width: min(calc(100% - 2rem), var(--container)); margin-inline: auto; }
  .reading { width: min(100%, var(--reading)); }
  .section { padding-block: clamp(4.5rem, 9vw, 8rem); }
  .section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
  .section--mist { background: var(--mist-100); }
  .section--ink { background: var(--ink-950); color: var(--paper); }
  .section--ink h2, .section--ink h3, .section--ink strong { color: var(--paper); }
  .section--ink p { color: #bcc5d0; }
  .grid-2 { display: grid; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
  .grid-3 { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); }
  .stack > * + * { margin-top: var(--space-5); }
  .stack-sm > * + * { margin-top: var(--space-3); }
  .cluster { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
  @media (min-width: 52rem) {
    .grid-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  }
}

@layer components {
  .skip-link {
    position: fixed; inset: .75rem auto auto .75rem; z-index: 1000;
    translate: 0 -180%; background: var(--paper); color: var(--ink-950);
    padding: .7rem 1rem; border-radius: var(--radius-sm); font-weight: 700;
  }
  .skip-link:focus { translate: 0; }
  .site-header {
    position: sticky; top: 0; z-index: 100;
    background: color-mix(in srgb, var(--paper) 92%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
    backdrop-filter: blur(16px);
  }
  .nav-wrap { min-height: 4.7rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
  .brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--ink-950); text-decoration: none; font-weight: 800; line-height: 1; }
  .brand img { width: 2.15rem; height: 2.15rem; object-fit: contain; }
  .brand span { display: grid; gap: .15rem; }
  .brand small { color: var(--ink-600); font-size: .68rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
  .nav-menu { display: none; list-style: none; }
  .nav-menu a { display: inline-flex; align-items: center; min-height: 2.75rem; padding: .45rem .7rem; border-radius: var(--radius-sm); color: var(--ink-700); font-size: .93rem; font-weight: 650; text-decoration: none; }
  .nav-menu a:hover, .nav-menu a[aria-current="page"] { background: var(--mist-100); color: var(--ink-950); }
  .nav-menu .button { color: var(--paper); }
  .nav-menu .button:hover { background: var(--ink-800); color: var(--paper); }
  .nav-toggle { display: inline-grid; width: 2.75rem; height: 2.75rem; place-items: center; border: 1px solid var(--border); background: var(--paper); color: var(--ink-950); border-radius: var(--radius-sm); cursor: pointer; }
  .nav-toggle svg { width: 1.35rem; }
  .mobile-nav { display: none; padding: .5rem 1rem 1rem; border-top: 1px solid var(--border); }
  .mobile-nav[data-open="true"] { display: block; }
  .mobile-nav ul { list-style: none; }
  .mobile-nav a { display: flex; align-items: center; min-height: 3rem; border-bottom: 1px solid var(--mist-200); text-decoration: none; font-weight: 650; }
  @media (min-width: 64rem) {
    .nav-menu { display: flex; align-items: center; gap: .15rem; }
    .nav-toggle, .mobile-nav { display: none !important; }
  }

  .button {
    display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; gap: .55rem;
    padding: .75rem 1.2rem; border: 1px solid transparent; border-radius: var(--radius-sm);
    background: var(--blue-600); color: var(--paper); font-weight: 750; text-decoration: none;
    cursor: pointer; transition: translate var(--duration-fast) var(--ease), background var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  }
  .button:hover { background: var(--blue-700); box-shadow: 0 10px 24px rgba(45,107,255,.22); translate: 0 -.1rem; }
  .button:active { translate: 0 .06rem; }
  .button--dark { background: var(--ink-950); }
  .button--dark:hover { background: var(--ink-800); }
  .button--ghost { border-color: var(--border); background: transparent; color: var(--ink-950); }
  .button--ghost:hover { background: var(--mist-100); box-shadow: none; }
  .button--light { background: var(--paper); color: var(--ink-950); }
  .button--light:hover { background: var(--blue-100); }
  .eyebrow { display: inline-flex; align-items: center; gap: .55rem; color: var(--blue-700); font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
  .eyebrow::before { content: ""; width: 1.5rem; height: .12rem; background: var(--blue-600); }
  .lede { max-width: 58rem; font-size: clamp(1.12rem, 2vw, 1.4rem); line-height: 1.55; }
  .section-head { display: grid; gap: 1.1rem; max-width: 54rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
  .section-head p { max-width: 46rem; font-size: 1.08rem; }
  .meta-line { color: var(--ink-600); font-size: .9rem; }
  .tag { display: inline-flex; align-items: center; min-height: 2rem; padding: .3rem .7rem; border: 1px solid var(--border); border-radius: var(--radius-pill); color: var(--ink-700); font-size: .79rem; font-weight: 700; }
  .answer-box { padding: clamp(1.2rem, 3vw, 2rem); border-left: .28rem solid var(--blue-600); background: var(--blue-100); }
  .answer-box p { color: var(--ink-800); }

  .service-grid { display: grid; border-top: 1px solid var(--border); }
  .service-card { position: relative; display: grid; gap: 1.15rem; padding: clamp(1.5rem, 4vw, 2.5rem); border-bottom: 1px solid var(--border); text-decoration: none; }
  .service-card::after { content: "↗"; position: absolute; right: 1.5rem; top: 1.5rem; color: var(--blue-600); font-size: 1.2rem; }
  .service-card:hover { background: var(--mist-100); }
  .service-card p { max-width: 34rem; }
  .service-card small { color: var(--blue-700); font-weight: 800; }
  @media (min-width: 48rem) {
    .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 1px solid var(--border); }
    .service-card { border-right: 1px solid var(--border); }
  }
  @media (min-width: 72rem) { .service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

  .proof-grid { display: grid; gap: 1.25rem; }
  .proof-item { overflow: hidden; border: 1px solid var(--border); background: var(--paper); }
  .proof-item img { width: 100%; aspect-ratio: 16/10; object-fit: cover; background: var(--mist-100); }
  .proof-item__body { display: grid; gap: .75rem; padding: 1.35rem; }
  .proof-item__body p { font-size: .95rem; }
  @media (min-width: 48rem) { .proof-grid { grid-template-columns: repeat(3, 1fr); } }

  .process { list-style: none; counter-reset: steps; display: grid; border-top: 1px solid #333842; }
  .process li { counter-increment: steps; display: grid; gap: 1rem; padding: 2rem 0; border-bottom: 1px solid #333842; }
  .process li::before { content: "0" counter(steps); color: var(--cyan-500); font-family: "IBM Plex Mono", Consolas, monospace; font-size: .85rem; }
  .process strong { font-size: 1.4rem; }
  @media (min-width: 52rem) { .process { grid-template-columns: repeat(4, 1fr); } .process li { padding: 2rem 1.5rem; border-right: 1px solid #333842; } }

  .pricing-table { width: 100%; border-collapse: collapse; background: var(--paper); }
  .pricing-table caption { padding-bottom: 1rem; color: var(--ink-700); text-align: left; }
  .pricing-table th, .pricing-table td { padding: 1rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
  .pricing-table th { color: var(--ink-950); font-size: .85rem; }
  .pricing-table td:last-child { color: var(--ink-950); font-weight: 800; white-space: nowrap; }
  .table-scroll { overflow-x: auto; border: 1px solid var(--border); }

  .faq-list { display: grid; gap: .7rem; }
  .faq-list details { border: 1px solid var(--border); background: var(--paper); }
  .faq-list summary { list-style: none; position: relative; padding: 1.15rem 3.5rem 1.15rem 1.2rem; color: var(--ink-950); font-weight: 750; cursor: pointer; }
  .faq-list summary::-webkit-details-marker { display: none; }
  .faq-list summary::after { content: "+"; position: absolute; right: 1.2rem; top: 50%; translate: 0 -50%; color: var(--blue-600); font-size: 1.5rem; font-weight: 400; }
  .faq-list details[open] summary::after { content: "−"; }
  .faq-list details p { max-width: 54rem; padding: 0 1.2rem 1.3rem; }

  .form-grid { display: grid; gap: 1rem; }
  .field { display: grid; gap: .4rem; }
  .field label { color: var(--ink-900); font-weight: 700; }
  .field label .required { color: var(--error); }
  .field input, .field select, .field textarea { width: 100%; min-height: 3.1rem; padding: .75rem .85rem; border: 1px solid #aab3bf; border-radius: var(--radius-sm); background: var(--paper); color: var(--ink-950); caret-color: var(--blue-600); transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease); }
  .field input::placeholder, .field textarea::placeholder { color: #697586; opacity: 1; }
  .field input:hover, .field select:hover, .field textarea:hover { border-color: #7f8a98; }
  .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue-600); box-shadow: 0 0 0 .22rem rgba(45, 107, 255, .2); outline: none; }
  .field input:user-invalid, .field select:user-invalid, .field textarea:user-invalid { border-color: var(--error); box-shadow: 0 0 0 .18rem rgba(180, 35, 24, .14); }
  .field input:-webkit-autofill, .field input:-webkit-autofill:hover, .field input:-webkit-autofill:focus { -webkit-text-fill-color: var(--ink-950); -webkit-box-shadow: 0 0 0 1000px var(--blue-100) inset; box-shadow: 0 0 0 1000px var(--blue-100) inset; }
  .field textarea { min-height: 8rem; resize: vertical; }
  .field small { color: var(--ink-600); }
  .field--full { grid-column: 1 / -1; }
  .form-status { min-height: 1.5rem; color: var(--ink-700); font-weight: 650; }
  .form-status[data-state="error"] { color: var(--error); }
  .form-status[data-state="success"] { color: var(--success); }
  .section--ink .field label { color: var(--paper); }
  .section--ink .field label .required { color: #ffb4ab; }
  .section--ink .field small { color: #b8c2ce; }
  .section--ink .form-status { color: #d7dee7; }
  .section--ink .form-status[data-state="error"] { color: #ffb4ab; }
  .section--ink .form-status[data-state="success"] { color: #76e6ad; }
  .button:disabled { cursor: wait; opacity: .68; translate: none; box-shadow: none; }
  @media (min-width: 42rem) { .form-grid { grid-template-columns: 1fr 1fr; } }

  .breadcrumbs { padding-block: 1rem; border-bottom: 1px solid var(--border); }
  .breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .45rem; list-style: none; color: var(--ink-600); font-size: .86rem; }
  .breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: .45rem; color: #9ca5b0; }
  .breadcrumbs a { text-decoration: none; }
  .toc { border-block: 1px solid var(--border); padding-block: 1.3rem; }
  .toc strong { display: block; margin-bottom: .6rem; }
  .toc ul { display: grid; gap: .4rem; padding-left: 1.2rem; color: var(--ink-700); }
  .prose { max-width: var(--reading); }
  .prose > * + * { margin-top: 1.35rem; }
  .prose h2 { margin-top: 4.5rem; font-size: clamp(1.8rem, 4vw, 3.25rem); }
  .prose h3 { margin-top: 2.7rem; }
  .prose ul, .prose ol { padding-left: 1.4rem; color: var(--ink-700); }
  .prose li + li { margin-top: .65rem; }
  .prose blockquote { padding: 1.3rem 1.5rem; border-left: .25rem solid var(--blue-600); background: var(--mist-100); }
  .prose table { width: 100%; border-collapse: collapse; }
  .prose th, .prose td { padding: .8rem; border: 1px solid var(--border); text-align: left; }

  .cta-panel { display: grid; gap: 2rem; padding: clamp(2rem, 6vw, 4.5rem); background: var(--blue-600); color: var(--paper); }
  .cta-panel h2, .cta-panel p { color: var(--paper); }
  @media (min-width: 55rem) { .cta-panel { grid-template-columns: 1.2fr .8fr; align-items: end; } }

  .site-footer { background: var(--ink-950); color: var(--paper); }
  .footer-grid { display: grid; gap: 2.5rem; padding-block: 4rem 2.5rem; }
  .footer-grid p, .footer-grid a { color: #b9c2cd; }
  .footer-grid h3 { color: var(--paper); font-size: 1rem; letter-spacing: 0; }
  .footer-links { display: grid; gap: .6rem; list-style: none; }
  .footer-links a { text-decoration: none; }
  .footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-block: 1.4rem; border-top: 1px solid #2b3039; color: #96a1af; font-size: .85rem; }
  @media (min-width: 52rem) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; } }

  .whatsapp-float { position: fixed; right: 1rem; bottom: 1rem; z-index: 90; display: inline-flex; align-items: center; gap: .6rem; min-height: 3.25rem; padding: .7rem 1rem; border-radius: var(--radius-pill); background: #0b7d47; color: var(--paper); box-shadow: var(--shadow-lg); font-weight: 800; text-decoration: none; }
  .whatsapp-float:hover { background: #08663b; }
}

@layer pages {
  .home-hero { position: relative; overflow: clip; min-height: min(54rem, calc(100dvh - 4.7rem)); display: grid; align-items: center; padding-block: clamp(4.5rem, 10vw, 8.5rem); background: var(--ink-950); }
  .home-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(#202630 1px, transparent 1px), linear-gradient(90deg, #202630 1px, transparent 1px); background-size: 5rem 5rem; opacity: .5; mask-image: linear-gradient(90deg, black, transparent 90%); }
  .home-hero::after { content: ""; position: absolute; width: min(42rem, 75vw); aspect-ratio: 1; right: -16rem; top: -18rem; border: 1px solid #35415b; border-radius: 50%; box-shadow: 0 0 0 6rem rgba(45,107,255,.05), 0 0 0 12rem rgba(32,191,208,.025); }
  .home-hero__grid { position: relative; z-index: 1; display: grid; gap: clamp(3rem, 8vw, 7rem); align-items: center; }
  .home-hero__copy { display: grid; gap: 1.5rem; }
  .home-hero__copy h1 { max-width: 12ch; color: var(--paper); font-size: clamp(3rem, 7vw, 6.7rem); }
  .home-hero__copy p { color: #bcc5d0; }
  .home-hero__copy strong { color: var(--paper); }
  .home-hero__copy .eyebrow { color: #a9c0ff; }
  .home-hero__copy .button--ghost { border-color: #647083; color: var(--paper); }
  .home-hero__copy .button--ghost:hover { background: #161b24; }
  .operating-model { border: 1px solid #3a4350; background: rgba(13,16,21,.82); box-shadow: 0 28px 70px rgba(0,0,0,.34); }
  .operating-model__top { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 1rem; border-bottom: 1px solid #3a4350; color: #8995a5; font-family: "IBM Plex Mono", Consolas, monospace; font-size: .68rem; letter-spacing: .08em; }
  .operating-model ol { list-style: none; }
  .operating-model li { display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; align-items: center; padding: 1.35rem 1rem; border-bottom: 1px solid #2b323d; }
  .operating-model li:last-child { border-bottom: 0; }
  .operating-model li > span { color: var(--cyan-500); font-family: "IBM Plex Mono", Consolas, monospace; font-size: .75rem; }
  .operating-model li div { display: grid; gap: .2rem; }
  .operating-model strong { color: var(--paper); font-size: 1.08rem; }
  .operating-model small { color: #8f9aaa; }
  @media (min-width: 62rem) { .home-hero__grid { grid-template-columns: 1.18fr .82fr; } }

  .home-principles { border-bottom: 1px solid var(--border); background: var(--paper); }
  .home-principles .container { display: grid; gap: 1rem; padding-block: 1.25rem; }
  .home-principles p { color: var(--ink-700); }
  .home-principles a { color: var(--blue-700); font-weight: 750; }
  @media (min-width: 52rem) { .home-principles .container { grid-template-columns: 1fr auto; align-items: center; } }

  .statement-layout { display: grid; gap: 2rem; }
  .statement-copy { display: grid; gap: 1.5rem; }
  .statement-copy h2 { max-width: 16ch; }
  .statement-copy .reading { display: grid; gap: 1.25rem; }
  .statement-copy p { font-size: 1.08rem; }
  @media (min-width: 52rem) { .statement-layout { grid-template-columns: 10rem 1fr; } }

  .method-list { display: grid; border-top: 1px solid var(--border); }
  .method-list > div { display: grid; grid-template-columns: 2.2rem 1fr; gap: 1rem; padding-block: 1.15rem; border-bottom: 1px solid var(--border); }
  .method-list span { color: var(--blue-600); font-family: "IBM Plex Mono", Consolas, monospace; font-size: .74rem; }
  .method-list p { margin: 0; }

  .work-intro { display: grid; gap: 2rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
  .work-intro .section-head { margin: 0; }
  .work-intro > p { max-width: 34rem; }
  .proof-grid--dark .proof-item { border-color: #343b46; }
  @media (min-width: 58rem) { .work-intro { grid-template-columns: 1.2fr .8fr; align-items: end; } }

  .local-bridge { display: grid; overflow: hidden; border: 1px solid var(--border); }
  .local-bridge__copy { display: grid; gap: 1.35rem; padding: clamp(2rem, 5vw, 4.5rem); }
  .local-bridge__map { position: relative; display: grid; align-content: space-between; gap: 3rem; min-height: 24rem; padding: clamp(2rem, 5vw, 4.5rem); overflow: hidden; background: var(--blue-600); color: var(--paper); }
  .local-bridge__map::before { content: ""; position: absolute; width: 22rem; aspect-ratio: 1; right: -7rem; top: -8rem; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; box-shadow: 0 0 0 4rem rgba(255,255,255,.06), 0 0 0 8rem rgba(255,255,255,.035); }
  .local-bridge__map > * { position: relative; }
  .local-bridge__map > span { font-family: "IBM Plex Mono", Consolas, monospace; font-size: .72rem; letter-spacing: .08em; }
  .local-bridge__map strong { align-self: center; color: var(--paper); font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.02; letter-spacing: -.04em; }
  .local-bridge__map p { color: #e2e9ff; }
  @media (min-width: 58rem) { .local-bridge { grid-template-columns: 1.05fr .95fr; } }

  .insight-list { border-top: 1px solid var(--border); }
  .insight-row { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr) auto; gap: 1rem; align-items: start; padding-block: 1.5rem; border-bottom: 1px solid var(--border); text-decoration: none; }
  .insight-row > span { color: var(--blue-600); font-family: "IBM Plex Mono", Consolas, monospace; font-size: .75rem; }
  .insight-row div { display: grid; gap: .45rem; }
  .insight-row small { color: var(--blue-700); font-weight: 750; }
  .insight-row h3 { max-width: 42rem; }
  .insight-row p { max-width: 52rem; }
  .insight-row > strong { color: var(--blue-600); }
  .insight-row:hover h3 { color: var(--blue-700); }

  .hero { position: relative; overflow: clip; padding-block: clamp(4rem, 10vw, 8.5rem) clamp(4rem, 8vw, 7rem); background: var(--mist-100); }
  .hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 4rem 4rem; opacity: .32; mask-image: linear-gradient(to bottom, black, transparent 86%); }
  .hero-grid { position: relative; display: grid; gap: clamp(3rem, 7vw, 6rem); align-items: center; }
  .hero-copy { display: grid; gap: 1.5rem; }
  .hero-copy h1 { max-width: 14ch; }
  .hero-copy .lede { max-width: 43rem; }
  .hero-proof { display: grid; gap: 1rem; }
  .system-map { position: relative; min-height: 27rem; padding: 1.4rem; border: 1px solid #cbd3dd; background: color-mix(in srgb, var(--paper) 86%, transparent); box-shadow: var(--shadow-lg); }
  .system-map::after { content: "NELLORE / LOCAL GROWTH SYSTEM"; position: absolute; left: 1.4rem; bottom: 1rem; color: var(--ink-600); font-family: "IBM Plex Mono", Consolas, monospace; font-size: .68rem; letter-spacing: .08em; }
  .system-map__core { position: absolute; inset: 50% auto auto 50%; translate: -50% -50%; display: grid; width: 9rem; aspect-ratio: 1; place-items: center; border: 1px solid var(--blue-600); border-radius: 50%; background: var(--blue-600); color: var(--paper); text-align: center; font-weight: 850; line-height: 1.2; }
  .system-node { position: absolute; display: grid; min-width: 7rem; gap: .15rem; padding: .75rem; border: 1px solid var(--border); background: var(--paper); box-shadow: var(--shadow-sm); font-size: .78rem; }
  .system-node strong { font-size: .88rem; }
  .system-node:nth-child(2) { top: 10%; left: 7%; }
  .system-node:nth-child(3) { top: 12%; right: 7%; }
  .system-node:nth-child(4) { bottom: 18%; left: 4%; }
  .system-node:nth-child(5) { bottom: 16%; right: 5%; }
  .system-path { position: absolute; inset: 18%; border: 1px dashed #9ab3f7; border-radius: 50%; }
  .trust-strip { position: relative; border-block: 1px solid var(--border); background: var(--paper); }
  .trust-items { display: grid; }
  .trust-item { padding: 1.2rem 0; border-bottom: 1px solid var(--border); }
  .trust-item:last-child { border-bottom: 0; }
  .trust-item strong { display: block; }
  .trust-item span { color: var(--ink-600); font-size: .86rem; }
  @media (min-width: 42rem) { .trust-items { grid-template-columns: repeat(3, 1fr); } .trust-item { padding: 1.2rem 1.4rem; border-right: 1px solid var(--border); border-bottom: 0; } }
  @media (min-width: 62rem) { .hero-grid { grid-template-columns: 1.15fr .85fr; } }

  .problem-layout { display: grid; gap: 2rem; }
  .problem-index { display: grid; align-content: start; gap: .6rem; color: var(--blue-600); font-family: "IBM Plex Mono", Consolas, monospace; font-size: .8rem; }
  .problem-copy { display: grid; gap: 1.5rem; }
  .problem-copy p { font-size: 1.08rem; }
  @media (min-width: 48rem) { .problem-layout { grid-template-columns: 10rem 1fr; } }

  .visual-split { display: grid; gap: 2rem; align-items: center; }
  .visual-split img { width: 100%; background: var(--mist-100); }
  @media (min-width: 55rem) { .visual-split { grid-template-columns: .9fr 1.1fr; } }

  .page-hero { padding-block: clamp(4.5rem, 9vw, 8rem); background: var(--ink-950); }
  .page-hero h1 { max-width: 15ch; color: var(--paper); font-size: clamp(2.7rem, 6vw, 5.7rem); }
  .page-hero p { color: #c0c8d2; }
  .page-hero .eyebrow { color: #a9c0ff; }
  .article-layout { display: grid; gap: 3rem; align-items: start; }
  .article-aside { display: grid; gap: 1rem; padding: 1.2rem; border: 1px solid var(--border); background: var(--mist-100); }
  @media (min-width: 66rem) { .article-layout { grid-template-columns: minmax(0, 1fr) 18rem; } .article-aside { position: sticky; top: 6rem; } }
}

@layer utilities {
  .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
  .muted { color: var(--ink-600); }
  .no-wrap { white-space: nowrap; }
  [data-reveal] { opacity: 0; translate: 0 1.2rem; transition: opacity 500ms var(--ease), translate 500ms var(--ease); }
  [data-reveal].is-visible { opacity: 1; translate: 0; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    [data-reveal] { opacity: 1; translate: none; }
  }
  @media print { .site-header, .whatsapp-float, .site-footer, .button { display: none !important; } body { color: #000; } }
}