/* AbitSecurity landing page */

/* Fonts are self-hosted (latin subset, SIL Open Font License) so no visitor data goes to third parties. */
@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 500 800;
  font-display: swap;
  src: url("/fonts/bricolage-grotesque.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/fonts/ibm-plex-sans.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-500.woff2") format("woff2");
}

:root {
  --bg: #F2F4F6;
  --surface: #FFFFFF;
  --surface-alt: #E7EBEE;
  --ink: #0E1A26;
  --muted: #53606E;
  --line: #CDD5DC;
  --accent: #0B6E69;
  --accent-ink: #FFFFFF;
  --accent-soft: #D5E9E7;
  --bit: #C98204;
  --bit-soft: #FBEBC8;
  --band-bg: #0E1A26;
  --band-ink: #EEF2F5;
  --band-muted: #A9B6C3;
  --band-line: #2C3B4B;
  --band-accent: #F2B33D;

  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.1875rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.75rem, 1.3rem + 1.8vw, 2.5rem);
  --step-4: clamp(2.5rem, 1.6rem + 4vw, 4.5rem);

  --radius: 6px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B121B;
    --surface: #111B26;
    --surface-alt: #0E1720;
    --ink: #E4EAF0;
    --muted: #97A5B3;
    --line: #243242;
    --accent: #3DBFB5;
    --accent-ink: #04201E;
    --accent-soft: #10302F;
    --bit: #F2B33D;
    --bit-soft: #3A2B0C;
    --band-bg: #15222F;
    --band-ink: #EEF2F5;
    --band-muted: #A9B6C3;
    --band-line: #2C3B4B;
    --band-accent: #F2B33D;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0B121B;
  --surface: #111B26;
  --surface-alt: #0E1720;
  --ink: #E4EAF0;
  --muted: #97A5B3;
  --line: #243242;
  --accent: #3DBFB5;
  --accent-ink: #04201E;
  --accent-soft: #10302F;
  --bit: #F2B33D;
  --bit-soft: #3A2B0C;
  --band-bg: #15222F;
  --band-ink: #EEF2F5;
  --band-muted: #A9B6C3;
  --band-line: #2C3B4B;
  --band-accent: #F2B33D;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: var(--step-4); font-weight: 800; }
h2 { font-size: var(--step-3); font-weight: 700; }
h3 { font-size: var(--step-1); font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.wrap {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: 16px;
  top: -60px;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 8px 14px;
  border-radius: var(--radius);
  z-index: 20;
}
.skip:focus { top: 12px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font: 600 var(--step-0)/1 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-small { min-height: 38px; padding: 0 14px; font-size: 0.9375rem; }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn:hover { transform: none; } }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Header */
.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.nav nav { margin-left: auto; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 500; font-size: 0.9375rem; }
.nav-links a:hover { color: var(--ink); }
@media (max-width: 900px) {
  .nav nav { display: none; }
  .nav .btn-small { margin-left: auto; }
}

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 5px;
  background: var(--band-bg);
}
.brand-mark span {
  font: 500 15px/1 var(--font-mono);
  color: var(--band-accent);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1875rem;
  letter-spacing: -0.01em;
}
.brand-name b { font-weight: 800; }

/* Hero */
.hero { padding-block: clamp(48px, 8vw, 96px) clamp(40px, 6vw, 64px); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.hero-copy { display: grid; gap: 24px; }
.hero h1 .accent { color: var(--accent); }
.lead { font-size: var(--step-1); color: var(--muted); max-width: 34em; }
@media (max-width: 880px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }

/* Register graphic */
.register {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  display: grid;
  gap: 20px;
  box-shadow: 0 1px 0 var(--line), 0 24px 48px -32px rgba(14, 26, 38, 0.35);
}
.register-head {
  display: flex;
  justify-content: space-between;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.bits {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
}
.bits li {
  display: grid;
  gap: 6px;
  text-align: center;
}
.bits .idx { font-size: 0.6875rem; color: var(--muted); }
.bits .val {
  display: grid;
  place-items: center;
  aspect-ratio: 3 / 4;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: clamp(1.1rem, 0.8rem + 1.4vw, 1.75rem);
  font-weight: 500;
  color: var(--muted);
  background: var(--surface-alt);
}
.bits .on .val {
  color: var(--bit);
  border-color: var(--bit);
  background: var(--bit-soft);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bit) 22%, transparent);
}
.bits .on .idx { color: var(--bit); }
.register-foot {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.register-foot div { display: grid; gap: 2px; min-width: 0; }
.register-foot dt { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.register-foot dd { margin: 0; font-size: 0.9375rem; overflow-wrap: anywhere; }
.register-foot div:nth-child(2) dd { color: var(--accent); font-weight: 500; }

@media (prefers-reduced-motion: no-preference) {
  .bits .on .val { animation: flip 0.9s ease 0.4s both; }
  @keyframes flip {
    0%   { transform: rotateX(0); }
    50%  { transform: rotateX(90deg); }
    100% { transform: rotateX(0); }
  }
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--muted);
}

/* Sections */
.section { padding-block: clamp(56px, 9vw, 112px); }
.section-alt { background: var(--surface-alt); }
.section-head { display: grid; gap: 14px; max-width: 42rem; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head p:not(.eyebrow) { color: var(--muted); font-size: var(--step-1); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 3px;
  background: var(--accent-soft);
  color: var(--ink);
}

/* Services */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  border-top: 1px solid var(--line);
}
.pillar {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 28px 28px 32px 0;
  border-bottom: 1px solid var(--line);
}
.pillar p { color: var(--muted); }
@media (min-width: 700px) {
  .pillars { column-gap: 32px; }
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 32px;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  display: grid;
  gap: 10px;
  align-content: start;
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}
.steps li::before {
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--accent);
}
.steps p { color: var(--muted); }

/* Bundles */
.bundles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 16px;
}
.bundle {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.bundle-featured { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.bundle-level {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.bundle h3 { font-size: var(--step-2); }
.bundle-for { color: var(--muted); }
.bundle ul { display: grid; gap: 8px; padding-top: 14px; border-top: 1px solid var(--line); }
.bundle li { display: flex; gap: 10px; }
.bundle li::before {
  content: "1";
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--bit);
  line-height: 1.85;
}
.addon {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 16px 32px;
  align-items: center;
  margin-top: 16px;
  padding: 24px 28px;
  border: 1px dashed var(--line);
  border-radius: 10px;
}
.addon > div { display: grid; gap: 6px; }
.addon p:last-child { color: var(--muted); }
@media (max-width: 640px) { .addon { grid-template-columns: minmax(0, 1fr); } }

/* Team */
.team {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 32px;
}
.member { display: grid; gap: 14px; align-content: start; }
.member-role {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-2);
  letter-spacing: -0.01em;
  line-height: 1.15;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.member > p:not(.member-role) { color: var(--muted); }

/* Markets */
.markets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 32px;
}
.market { display: grid; gap: 10px; align-content: start; }
.market h3 { font-size: var(--step-2); }
.market p:last-child { color: var(--muted); }
.tz {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* Contact */
.contact { background: var(--band-bg); color: var(--band-ink); }
.contact .eyebrow { color: var(--band-accent); }
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
.contact-grid > div:first-child { display: grid; gap: 16px; }
.contact-grid > div:first-child p:not(.eyebrow) { color: var(--band-muted); font-size: var(--step-1); max-width: 34em; }
.contact-card {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--band-line);
  border-radius: 10px;
}
.contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--band-muted);
}
.contact-email {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 0.95rem + 1.2vw, 1.75rem);
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  min-width: 0;
  user-select: all;
}
.contact .btn { background: var(--band-accent); border-color: var(--band-accent); color: #1A1204; }
.contact .btn-ghost { background: transparent; color: var(--band-ink); border-color: var(--band-line); }
.contact .btn-ghost:hover { border-color: var(--band-accent); color: var(--band-accent); }
.contact :focus-visible { outline-color: var(--band-accent); }
.copy-status { min-height: 1.5em; font-size: 0.875rem; color: var(--band-accent); }
@media (max-width: 800px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }

/* Footer */
.site-footer { padding-block: 32px; border-top: 1px solid var(--line); }
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 24px;
  color: var(--muted);
  font-size: 0.9375rem;
}
.footer-grid .brand-name { color: var(--ink); }
.footer-meta { margin-left: auto; font-size: 0.8125rem; }
@media (max-width: 640px) { .footer-meta { margin-left: 0; } }

/* 404 */
.notfound { min-height: 70vh; display: grid; align-content: center; gap: 20px; padding-block: 64px; }
.notfound .bits { max-width: 420px; }

/* Nav: AI Agents link */
.nav-links a.nav-ai { color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.nav-links a.nav-ai::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bit);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bit) 25%, transparent);
}

/* AI agents section */
.ai { background: var(--band-bg); color: var(--band-ink); }
.ai .eyebrow { color: var(--band-accent); }
.ai .section-head { max-width: 48rem; }
.ai .section-head h2 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.25rem); }
.ai .section-head p:not(.eyebrow) { color: var(--band-muted); }
.ai :focus-visible { outline-color: var(--band-accent); }

.pipeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  counter-reset: pipe;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.pipeline li {
  counter-increment: pipe;
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 16px 20px;
  border: 1px solid var(--band-line);
  border-radius: 8px;
  font-size: 0.9375rem;
  color: var(--band-muted);
}
.pipeline li::before {
  content: "0" counter(pipe);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--band-muted);
}
.pipeline li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -12px;
  width: 12px;
  height: 1px;
  background: var(--band-line);
}
.pipe-key {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  color: var(--band-ink);
}
.pipeline .pipe-gate { border-color: var(--band-accent); }
.pipeline .pipe-gate .pipe-key { color: var(--band-accent); }
@media (max-width: 900px) {
  .pipeline { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .pipeline li { grid-template-columns: auto minmax(0, 1fr); column-gap: 14px; }
  .pipeline li::before { grid-row: span 2; padding-top: 4px; }
  .pipeline li:not(:last-child)::after { top: auto; bottom: -10px; right: auto; left: 26px; width: 1px; height: 10px; }
}

.usecases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: 16px;
}
.usecase {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px;
  background: color-mix(in srgb, var(--band-ink) 5%, transparent);
  border-radius: 10px;
}
.usecase p:not(.usecase-tag) { color: var(--band-muted); }
.usecase-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--band-muted);
}
.usecase-proof { background: transparent; border: 1px solid var(--band-accent); }
.usecase-proof .usecase-tag { color: var(--band-accent); }

.ai-principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 16px 32px;
  margin-top: clamp(32px, 5vw, 48px);
  padding-top: 24px;
  border-top: 1px solid var(--band-line);
  color: var(--band-muted);
  font-size: 0.9375rem;
}
.ai-principles b { color: var(--band-ink); font-weight: 600; }
.ai-cta { margin-top: 32px; }
.ai .btn { background: var(--band-accent); border-color: var(--band-accent); color: #1A1204; }

/* Services: AI pillar link */
.pillar-ai { text-decoration: none; color: inherit; }
.pillar-ai h3 { color: var(--accent); }
.pillar-link { font-weight: 600; color: var(--accent); font-size: 0.9375rem; }
.pillar-ai:hover .pillar-link { text-decoration: underline; }

/* Team results */
.results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 24px;
  margin-bottom: clamp(40px, 6vw, 56px);
  padding-block: 24px;
  border-block: 1px solid var(--line);
}
.results li { display: grid; gap: 4px; align-content: start; }
.result-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 1.15rem + 0.7vw, 1.65rem);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.result-label { color: var(--muted); font-size: 0.9375rem; }

/* Language menu */
.lang { position: relative; }
.lang summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: 500 0.8125rem/1 var(--font-mono);
  color: var(--muted);
  cursor: pointer;
  list-style: none;
}
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
}
.lang[open] summary, .lang summary:hover { color: var(--ink); border-color: var(--accent); }
.lang img { display: block; width: 20px; height: 14px; object-fit: cover; border-radius: 2px; box-shadow: 0 0 0 1px color-mix(in srgb, var(--ink) 15%, transparent); }
.lang ul {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 11;
  min-width: 170px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 32px -20px rgba(14, 26, 38, 0.45);
}
.lang li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 0.9375rem;
  color: var(--ink);
}
.lang li a:hover { background: var(--surface-alt); }
.lang li a[aria-current="page"] { font-weight: 600; color: var(--accent); }
@media (max-width: 900px) {
  .nav .lang { margin-left: auto; }
  .nav .lang + .btn-small { margin-left: 0; }
}