/* Verdaxis · Verified Intelligence
   Black / white identity. Petrol retained from the existing brand tokens.
   Locally hosted Inter. No frameworks, remote fonts or runtime dependencies. */

@font-face {
  font-family: Inter;
  src: url("assets/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #080b0c;
  --paper: #ffffff;
  --petrol: #123c38;
  --accent: #007e90;
  --muted: #555d61;
  --muted-on-dark: #a7afb3;
  --line: #dce0e1;
  --line-on-dark: #292e31;
  --max-width: 1280px;
  --gutter: clamp(24px, 5.56vw, 96px);
  --section-space: clamp(88px, 10.4vw, 160px);
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 114px; }
body { margin: 0; color: var(--ink); background: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; font-optical-sizing: auto; font-size: 16px; line-height: 1.6; }
::selection { background: var(--petrol); color: var(--paper); }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-underline-offset: .24em; text-decoration-thickness: 1px; }
button { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
main:focus { outline: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 450; }
h1, h2 { text-wrap: balance; overflow-wrap: break-word; }
p { text-wrap: pretty; }
section[id], [id="contact"] { scroll-margin-top: 28px; }
.container { width: min(var(--max-width), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.section-light { background: var(--paper); color: var(--ink); color-scheme: light; }
.section-dark { background: var(--ink); color: var(--paper); color-scheme: dark; }
.skip-link { position: absolute; z-index: 100; left: 24px; top: 12px; padding: 12px 20px; color: var(--ink); background: var(--paper); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

/* Navigation */
.site-header { position: sticky; z-index: 20; top: 0; color: var(--paper); background: var(--ink); }
.header-inner { min-height: 106px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--line-on-dark); }
.brand { display: block; flex-shrink: 0; width: 174px; }
.brand img { width: 100%; }
.brand-light img { filter: invert(1); }
.site-nav { display: flex; align-items: center; gap: 36px; font-size: 13px; font-weight: 450; }
.site-nav a { display: inline-flex; align-items: center; gap: 28px; min-height: 46px; color: #b8bec1; text-decoration: none; transition: color 160ms ease; }
.site-nav a:hover { color: var(--paper); }
.site-nav .nav-cta { border: 1px solid #51585b; padding: 9px 19px; color: var(--paper); }
.nav-cta:hover { border-color: var(--paper); }
.nav-cta span { font-size: 18px; }
.nav-toggle { display: none; }

/* Type / shared editorial pieces */
.eyebrow { font-size: 10px; font-weight: 550; line-height: 1.5; letter-spacing: .19em; text-transform: uppercase; }
.section-kicker { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 62px; }
.section-kicker .eyebrow { color: var(--muted); }
.section-dark .section-kicker .eyebrow { color: var(--muted-on-dark); }
.section-index { font-size: 10px; font-weight: 450; letter-spacing: .08em; color: var(--muted); white-space: nowrap; }
.section-dark .section-index { color: var(--muted-on-dark); }
h2 { font-size: clamp(40px, 4.6vw, 66px); line-height: 1.085; letter-spacing: -.052em; }
.editorial-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(48px, 7vw, 112px); }
.body-copy { color: var(--muted); font-size: 16px; line-height: 1.8; }
.body-copy > p + p, .body-copy > div + p { margin-top: 22px; }
.body-copy .intro-copy, .intro-copy { color: var(--ink); font-size: 19px; line-height: 1.65; letter-spacing: -.025em; }
.section-dark .body-copy { color: var(--muted-on-dark); }
.section-dark .intro-copy { color: #e4e7e8; }
.editorial-rule { width: 48px; height: 3px; background: var(--petrol); display: block; flex-shrink: 0; }
.section-dark .editorial-rule { background: var(--accent); }
.button { display: inline-flex; min-height: 56px; align-items: center; justify-content: space-between; gap: 32px; padding: 15px 23px; font-size: 13px; line-height: 1.5; font-weight: 550; text-decoration: none; border: 1px solid transparent; transition: background 180ms ease, border-color 180ms ease; }
.button span { font-size: 20px; line-height: 1; font-weight: 400; }
.button-light { background: var(--paper); color: var(--ink); }
.button-light:hover { background: #e1e6e7; }
.button-dark { background: var(--ink); color: var(--paper); }
.button-dark:hover { background: var(--petrol); }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; font-size: 12px; line-height: 1.6; text-decoration: none; }
.text-link span { font-size: 18px; }
.text-link:hover { text-decoration: underline; }
.text-link-light { color: #c3c9cc; }

/* Hero */
.hero { overflow: hidden; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 0; padding-top: 84px; padding-bottom: 74px; }
.hero-copy { position: relative; z-index: 1; }
.hero .eyebrow { display: flex; align-items: center; gap: 11px; color: #c3cccf; margin-bottom: 35px; }
.accent-mark { display: inline-block; width: 6px; height: 6px; background: var(--accent); }
h1 { max-width: 780px; font-size: clamp(58px, 5.85vw, 86px); line-height: 1.025; letter-spacing: -.065em; }
.hero-emphasis { color: #a9b6bb; }
.hero-intro { max-width: 480px; margin-top: 33px; color: var(--muted-on-dark); font-size: 15px; line-height: 1.8; }
.hero-intro p:first-child { font-size: 18px; color: #e1e5e7; line-height: 1.6; letter-spacing: -.02em; margin-bottom: 14px; }
.hero-actions { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 12px 24px; margin-top: 29px; }
.hero-actions .partner-link { max-width: 245px; min-height: 56px; }
.hero-art { position: relative; align-self: center; width: calc(100% + 52px); margin-left: -18px; margin-top: 25px; }
.knowledge-field { width: 100%; animation: field-arrive 1.4s ease-out both; }
.art-baseline { display: flex; align-items: center; gap: 9px; width: 85%; margin: -24px auto 0; opacity: .6; }
.art-baseline span { height: 1px; background: #364046; flex: 1; }
.art-baseline i { width: 3px; height: 3px; background: #b9c5cb; border-radius: 50%; }
.hero-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 23px; border-top: 1px solid var(--line-on-dark); color: #a4adb1; font-size: 10px; letter-spacing: .025em; }
.hero-bottom a { display: flex; align-items: center; gap: 28px; color: inherit; text-decoration: none; }
.hero-bottom a span { font-size: 18px; }
@keyframes field-arrive { from { opacity: .25; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

/* 01 / Challenge */
.challenge-grid h2 { max-width: 550px; }
.muted-heading { color: #747c80; }
.challenge-close { display: flex; gap: 37px; align-items: flex-start; padding-top: 70px; margin-top: 76px; border-top: 1px solid var(--line); }
.challenge-close .editorial-rule { margin-top: 18px; }
.challenge-close p { color: #747c80; font-size: clamp(25px, 2.6vw, 38px); line-height: 1.35; letter-spacing: -.04em; }
.challenge-close strong { color: var(--ink); font-weight: 450; }

/* 02 / Idea */
.idea { border-top: 1px solid var(--line-on-dark); }
.idea-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.idea-statements { margin-block: 28px; padding-left: 19px; border-left: 1px solid #414a4f; font-size: 14px; }
.idea-statements p + p { margin-top: 10px; }
.connection-art { margin-top: 45px; width: 100%; overflow: hidden; }
.connection-art img { width: 100%; }
.compound-statement { margin-top: 20px; font-size: clamp(37px, 5.4vw, 78px); line-height: 1.12; letter-spacing: -.055em; text-align: center; color: #a7afb3; }
.compound-statement span { color: var(--paper); }

/* 03 / Commercial impact */
.impact-intro { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .65fr); align-items: end; gap: 64px; }
.impact-intro h2 { max-width: 750px; }
.impact-intro .intro-copy { max-width: 310px; padding-bottom: 4px; color: var(--muted); font-size: 16px; }
.impact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 80px; margin-top: 76px; }
.impact-item { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 22px; border-top: 1px solid var(--line); padding-block: 34px 42px; }
.item-index { font-size: 10px; letter-spacing: .04em; padding-top: 7px; color: var(--petrol); }
.impact-item h3 { font-size: 23px; line-height: 1.3; letter-spacing: -.04em; margin-bottom: 15px; }
.impact-item p { color: var(--muted); font-size: 15px; line-height: 1.8; max-width: 415px; }

/* 04 / Philosophy */
.philosophy-heading { max-width: 1150px; font-size: clamp(43px, 6.2vw, 88px); line-height: 1.08; letter-spacing: -.059em; }
.philosophy-heading > span { display: block; color: #949da2; }
.philosophy-copy { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 72px; max-width: 910px; margin-left: auto; margin-top: 62px; font-size: 15px; }
.philosophy-copy p + p { margin-top: 20px; }
.judgment-statement { margin-top: 94px; border-top: 1px solid var(--line-on-dark); padding-top: 72px; }
.judgment-statement .editorial-rule { margin-bottom: 36px; }
.judgment-statement p { font-size: clamp(42px, 6.2vw, 88px); line-height: 1.13; letter-spacing: -.06em; }
.judgment-statement p span { display: block; font-size: clamp(25px, 3.4vw, 49px); color: #949da2; margin-bottom: 12px; }

/* 05 / Partner invitation */
.partner-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
.partner-heading h2 { font-size: clamp(46px, 5.5vw, 78px); }
.partner-symbol { width: 68px; margin-top: 58px; }
.contact-cta { margin-top: 32px; }
.partner-copy .partner-note { margin-top: 20px; font-size: 12px; max-width: 350px; line-height: 1.7; }
.contact-email { display: inline-block; font-size: 13px; padding-block: 11px; margin-top: 15px; color: var(--ink); }

/* Footer */
.site-footer { padding-top: 75px; }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 60px; padding-bottom: 72px; }
.footer-logo { width: 194px; }
.footer-signature { color: #a7afb3; font-size: 10px; letter-spacing: .11em; padding-top: 14px; }
.footer-statement { font-size: clamp(24px, 2.8vw, 40px); letter-spacing: -.04em; line-height: 1.25; }
.footer-bottom { border-top: 1px solid var(--line-on-dark); padding-block: 26px; display: flex; align-items: center; gap: 50px; color: #a7afb3; font-size: 10px; }
.footer-bottom a { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; text-decoration: none; }
.footer-bottom a:hover { color: var(--paper); text-decoration: underline; }
.footer-bottom .back-top { margin-left: auto; }

/* Tablet */
@media (min-width: 1600px) {
  .hero-grid { padding-top: 110px; padding-bottom: 100px; }
}
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); padding-top: 68px; }
  h1 { font-size: clamp(58px, 6.1vw, 72px); }
  .hero-art { width: calc(100% + 60px); margin-left: -15px; }
  .hero-actions { gap: 12px 20px; }
  .hero-actions .partner-link { max-width: none; }
  .section-kicker { margin-bottom: 44px; }
  .editorial-grid { gap: 48px; }
  .impact-intro { gap: 40px; grid-template-columns: 1.3fr .7fr; }
  .impact-grid { column-gap: 40px; }
  .impact-item { gap: 14px; grid-template-columns: 22px minmax(0, 1fr); }
  .impact-item h3 { font-size: 21px; }
}

/* Mobile and small tablet */
@media (max-width: 760px) {
  :root { --gutter: 26px; --section-space: 84px; }
  html { scroll-padding-top: 96px; }
  .header-inner { min-height: 88px; flex-wrap: wrap; gap: 0; }
  .brand { width: 145px; }
  .site-nav { width: 100%; gap: 20px; padding-bottom: 18px; font-size: 12px; }
  .site-nav a { gap: 12px; }
  .site-nav .nav-cta { margin-left: auto; padding: 6px 13px; }
  .js .nav-toggle { display: inline-flex; min-height: 48px; min-width: 72px; align-items: center; justify-content: flex-end; gap: 12px; padding: 0; background: none; border: 0; cursor: pointer; }
  .menu-label { font-size: 11px; }
  .menu-lines { display: flex; width: 20px; flex-direction: column; gap: 5px; }
  .menu-lines span { display: block; width: 20px; height: 1px; background: var(--paper); transition: transform 150ms ease; }
  .nav-toggle[aria-expanded="true"] .menu-lines span:first-child { transform: translateY(3px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .menu-lines span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; padding-top: 15px; padding-bottom: 22px; }
  .js .site-nav a { padding-block: 14px; }
  .js .site-nav .nav-cta { margin: 8px 0 0; justify-content: space-between; }
  .hero-grid { display: flex; flex-direction: column; padding-top: 55px; padding-bottom: 16px; }
  .hero .eyebrow { margin-bottom: 28px; font-size: 9px; }
  h1 { font-size: clamp(47px, 8.9vw, 68px); line-height: 1.045; max-width: 590px; letter-spacing: -.06em; }
  .hero-intro { max-width: 510px; margin-top: 27px; font-size: 14px; line-height: 1.8; }
  .hero-intro p:first-child { font-size: 17px; margin-bottom: 14px; }
  .hero-actions { margin-top: 25px; flex-direction: column; align-items: flex-start; gap: 8px; }
  .hero-actions .partner-link { min-height: 48px; font-size: 11px; }
  .button { min-height: 54px; padding: 14px 21px; }
  .hero-art { margin: 5px auto 0; width: min(100%, 490px); }
  .knowledge-field { max-height: 360px; object-fit: contain; }
  .art-baseline { margin-top: -16px; width: 90%; }
  .hero-bottom { font-size: 9px; padding-block: 19px; }
  .hero-bottom > a { display: none; }
  .section-kicker { align-items: baseline; gap: 12px; margin-bottom: 36px; }
  .eyebrow { font-size: 9px; letter-spacing: .16em; }
  .section-index { font-size: 9px; }
  .editorial-grid, .idea-grid, .partner-grid, .impact-intro { grid-template-columns: minmax(0, 1fr); gap: 33px; }
  h2 { font-size: clamp(38px, 7.7vw, 56px); line-height: 1.12; letter-spacing: -.05em; }
  .body-copy { font-size: 15px; line-height: 1.8; }
  .body-copy .intro-copy, .intro-copy { font-size: 18px; }
  .body-copy > p + p, .body-copy > div + p { margin-top: 20px; }
  .challenge-close { margin-top: 45px; padding-top: 37px; flex-direction: column; gap: 23px; }
  .challenge-close .editorial-rule { margin-top: 0; }
  .challenge-close p { font-size: 26px; line-height: 1.4; }
  .idea-statements { margin-block: 23px; }
  .connection-art { width: calc(100% + 32px); margin-left: -16px; margin-top: 33px; }
  .connection-art img { width: 100%; min-height: 140px; object-fit: cover; }
  .compound-statement { text-align: left; font-size: 41px; margin-top: 18px; max-width: 500px; }
  .impact-intro { gap: 24px; }
  .impact-intro .intro-copy { max-width: 430px; font-size: 16px; }
  .impact-grid { grid-template-columns: minmax(0, 1fr); margin-top: 39px; }
  .impact-item { grid-template-columns: 24px minmax(0, 1fr); gap: 16px; padding-block: 28px 31px; }
  .impact-item:last-child { padding-bottom: 0; }
  .impact-item h3 { font-size: 23px; margin-bottom: 12px; }
  .impact-item p { font-size: 15px; max-width: none; }
  .philosophy-heading { font-size: clamp(39px, 7.7vw, 58px); line-height: 1.12; }
  .philosophy-heading > span { margin-bottom: 16px; }
  .philosophy-copy { grid-template-columns: minmax(0, 1fr); gap: 22px; margin-top: 37px; }
  .judgment-statement { margin-top: 47px; padding-top: 37px; }
  .judgment-statement .editorial-rule { margin-bottom: 26px; }
  .judgment-statement p { font-size: clamp(43px, 8.5vw, 62px); line-height: 1.12; }
  .judgment-statement p span { font-size: 26px; line-height: 1.3; margin-bottom: 16px; }
  .partner-heading h2 { font-size: clamp(46px, 8.5vw, 64px); }
  .partner-symbol { display: none; }
  .partner-copy .partner-note { font-size: 12px; }
  .site-footer { padding-top: 48px; }
  .footer-main { flex-direction: column; align-items: flex-start; gap: 37px; padding-bottom: 40px; }
  .footer-logo { width: 174px; }
  .footer-signature { padding-top: 10px; }
  .footer-statement { font-size: 28px; }
  .footer-bottom { flex-wrap: wrap; gap: 6px 24px; padding-block: 16px 22px; }
  .footer-bottom > p { flex-basis: 100%; padding-top: 8px; }
}

@media (max-width: 360px) {
  :root { --gutter: 20px; }
  h1 { font-size: 44px; }
  .eyebrow { font-size: 8px; letter-spacing: .12em; }
  .compound-statement { font-size: 36px; }
}

/* Content stays visible without JavaScript. Motion is optional. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media print {
  body, .section-dark, .section-light, .site-header { background: #fff; color: #000; }
  .site-header { position: static; }
  .site-nav, .nav-toggle, .hero-art, .connection-art, .hero-bottom, .back-top { display: none !important; }
  .brand-light img { filter: none; }
  .section { padding-block: 30px; }
  .hero-grid { padding-block: 30px; }
  h1 { font-size: 42px; }
  h2, .philosophy-heading { font-size: 30px; }
  .body-copy, .section-dark .body-copy, .section-dark .intro-copy, .hero-intro, .hero-intro p:first-child, .hero-emphasis, .philosophy-heading > span, .judgment-statement p span { color: #333; }
}


/* Desktop typography refinement. Existing mobile rules remain unchanged. */
@media screen and (min-width: 761px) {
  h1 { font-size: clamp(56px, 5.4vw, 64px); }
  h2 { font-size: clamp(38px, 4vw, 50px); }
  .challenge-close p { font-size: clamp(24px, 2.1vw, 30px); }
  .compound-statement { font-size: clamp(36px, 4.2vw, 58px); }
  .impact-item h3 { font-size: 21px; }
  .philosophy-heading { font-size: clamp(40px, 4.5vw, 64px); }
  .judgment-statement p { font-size: clamp(40px, 4.5vw, 64px); }
  .judgment-statement p span { font-size: clamp(24px, 2.8vw, 36px); }
  .partner-heading h2 { font-size: clamp(42px, 4.3vw, 58px); }
  .footer-statement { font-size: clamp(24px, 2.3vw, 32px); }
}

@media screen and (min-width: 761px) and (max-width: 1100px) {
  h1 { font-size: clamp(56px, 5.7vw, 62px); }
}

/* Loosen crowded desktop headings; preserve the approved mobile spacing. */
@media screen and (min-width: 761px) {
  h1, h2, .compound-statement, .philosophy-heading,
  .judgment-statement p, .judgment-statement p span {
    letter-spacing: -.02em;
  }
  .challenge-close p, .impact-item h3, .footer-statement {
    letter-spacing: -.01em;
  }
}

/* Contact options stay on the page; an email app is optional. */
.contact-options { position: relative; margin-top: 24px; padding: 28px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); }
.contact-options[hidden], .contact-options [hidden] { display: none !important; }
.contact-options p { color: var(--muted); font-size: 14px; line-height: 1.7; margin-top: 14px; }
.contact-options .contact-options-title { margin-top: 0; padding-right: 26px; color: var(--ink); font-size: 22px; letter-spacing: -.02em; }
.contact-options .contact-options-address { color: var(--ink); font-size: 20px; letter-spacing: 0; overflow-wrap: anywhere; user-select: all; margin-block: 20px; }
.contact-options-close { position: absolute; top: 10px; right: 10px; width: 44px; height: 44px; border: 0; background: transparent; color: var(--ink); font-size: 28px; line-height: 1; cursor: pointer; }
.contact-options-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-options .button { min-height: 48px; gap: 16px; padding: 12px 16px; }
.contact-options .contact-copy { background: transparent; border-color: var(--line); color: var(--ink); cursor: pointer; }
.contact-options .contact-copy:hover { border-color: var(--ink); }
.contact-options .contact-options-status { min-height: 1.7em; font-size: 12px; margin-top: 14px; }
@media (max-width: 480px) {
  .contact-options { padding: 24px 20px; }
  .contact-options-actions { flex-direction: column; align-items: stretch; }
}