/* Vortexion Labs — palette from the V mark: ink on paper gray */
:root {
  --paper: #f1f1f1;
  --paper-2: #e4e4e4;
  --white: #fafafa;
  --ink: #0a0a0a;
  --ink-2: #161616;
  --char: #2a2a2a;
  --mid: #5c5c5c;
  --line: #c4c4c4;
  --line-dark: #2e2e2e;
  --on-dark: #f5f5f5;
  --on-dark-dim: #d6d6d6;
  --radius: 4px;
  --maxw: 1120px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --header-h: 72px;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Kumbh Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, blockquote {
  font-family: "Crimson Pro", Georgia, "Times New Roman", serif;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0;
  font-weight: 600;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--ink); color: var(--on-dark);
  padding: 10px 16px; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 24px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn-primary {
  background: var(--ink); color: var(--on-dark);
  box-shadow: 0 10px 24px -14px rgba(10,10,10,.7);
}
.btn-ghost {
  background: transparent; color: var(--ink); border-color: var(--ink);
}

/* ===== Header ===== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(241,241,241,.92);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand img { border-radius: 6px; background: var(--paper); }
.brand-name {
  font-family: "Kumbh Sans", sans-serif;
  font-size: 16px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-size: 15px; font-weight: 600; color: var(--char); }
.nav .nav-cta {
  color: var(--on-dark); background: var(--ink);
  padding: 9px 18px; border-radius: 999px;
}

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { padding: 128px 0 64px; }
.hero-inner {
  display: grid; grid-template-columns: 1fr 1.05fr;
  gap: 40px; align-items: center;
}
.industry {
  margin: 0 0 18px;
  font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--mid);
}
.hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 4.4rem);
  font-weight: 600;
}
.hero h1 em {
  font-style: italic; font-weight: 500;
}
.hero-sub {
  margin-top: 22px; max-width: 46ch;
  color: var(--char); font-size: 1.05rem;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero-meta {
  margin-top: 22px; font-size: 13px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; color: var(--mid);
}

.join-stage { margin: 0; }
.join-svg { width: 100%; height: auto; display: block; overflow: visible; }
.join-ticks { fill: none; stroke: var(--line); stroke-width: 1; opacity: .9; }
.piece-ink { fill: var(--ink); }
.piece-paper { fill: var(--white); stroke: var(--ink); stroke-width: 3; }
.piece-hatch { fill: none; stroke: #3a3a3a; stroke-width: 3; stroke-linecap: square; }
.bolt { fill: none; stroke: #8a8a8a; stroke-width: 2; }
.bolt-ink { stroke: var(--ink); }
.piece-kicker {
  font-family: "Kumbh Sans", sans-serif;
  font-size: 11px; font-weight: 700; letter-spacing: 2.4px;
  fill: #b0b0b0;
}
.kicker-ink { fill: var(--mid); }
.piece-label {
  font-family: "Crimson Pro", serif;
  font-size: 32px; font-weight: 600;
}
.label-light { fill: var(--on-dark); }
.label-ink { fill: var(--ink); }
.join-caption text {
  font-family: "Kumbh Sans", sans-serif;
  font-size: 11px; letter-spacing: 1.6px; fill: var(--mid);
}
.cam-ring { fill: var(--white); stroke: var(--ink); stroke-width: 3; }
.cam-hub { fill: var(--ink); }
.cam-bar { stroke: var(--ink); stroke-width: 3; stroke-linecap: square; fill: none; }

.piece-left {
  transform-origin: 240px 180px;
  animation: slideLeft 1.15s var(--ease) both;
}
.piece-right {
  transform-origin: 500px 180px;
  animation: slideRight 1.15s var(--ease) both;
}
.join-cam {
  transform-box: fill-box;
  transform-origin: center;
  animation: camSeat 1.4s var(--ease) .7s both;
}
@keyframes slideLeft {
  from { transform: translateX(-78px); opacity: .15; }
  to { transform: none; opacity: 1; }
}
@keyframes slideRight {
  from { transform: translateX(78px); opacity: .15; }
  to { transform: none; opacity: 1; }
}
@keyframes camSeat {
  0% { transform: scale(.4) rotate(-90deg); opacity: 0; }
  60% { transform: scale(1.08) rotate(8deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

.join-stage figcaption {
  margin-top: 14px;
  font-size: 14px; color: var(--mid);
}

/* ===== Sections ===== */
.section { padding: 88px 0; }
.kicker {
  font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--mid); margin: 0 0 12px;
}
.kicker-on-dark { color: var(--on-dark-dim); }
.section-head { max-width: 640px; margin: 0 0 48px; }
.section-head h2, .about-hed h2, .faq-lead h2, .contact-copy h2 {
  font-size: clamp(1.9rem, 3.8vw, 3rem);
}
.section-head .lead, .faq-lead p, .contact-copy p {
  margin-top: 14px; color: var(--char);
}

/* ===== Solutions row: interlocking plates ===== */
.sol-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  align-items: stretch;
}
.sol {
  position: relative;
  background: var(--white);
  border: 2px solid var(--ink);
  padding: 32px 36px 36px;
  min-height: 280px;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease);
}
.sol + .sol { margin-left: -2px; }
.sol-index {
  display: block;
  font-family: "Kumbh Sans", sans-serif;
  font-size: 12px; font-weight: 800; letter-spacing: .16em;
  color: var(--mid); margin-bottom: 16px;
}
.sol h3 { font-size: 1.7rem; margin-bottom: 12px; }
.sol p { color: var(--char); font-size: 1rem; }
.sol-tab, .sol-socket {
  position: absolute; top: 50%; width: 36px; height: 90px;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 2;
}
.sol-tab { right: -19px; fill: var(--white); stroke: var(--ink); stroke-width: 2; }
.sol-socket { left: -19px; fill: var(--paper); stroke: var(--ink); stroke-width: 2; }

/* ===== About ===== */
.about { padding-top: 24px; }
.about-grid {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start;
}
.about-facts {
  list-style: none; margin: 28px 0 0; padding: 0;
  display: grid; gap: 10px;
}
.about-facts li {
  font-size: 14px; font-weight: 600;
  border-left: 2px solid var(--ink); padding-left: 12px;
}
.about-lead { font-size: 1.12rem; margin-bottom: 16px; }
.about-copy p { color: var(--char); }

/* ===== Dark quote band ===== */
.quote-band {
  background: var(--ink);
  color: var(--on-dark);
  padding: 88px 0;
}
.quote-inner { max-width: 820px; }
.quote-kicker {
  font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--on-dark-dim); margin: 0 0 18px;
}
.quote-inner blockquote {
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  font-weight: 500; font-style: italic; line-height: 1.28;
  color: var(--on-dark);
}
.quote-attr {
  margin-top: 22px; font-size: 14px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark);
}

/* ===== FAQ ===== */
.faq-grid {
  display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start;
}
.faq-lead p { max-width: 40ch; }
.faq { display: grid; gap: 10px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}
.faq-item.open { border-color: var(--ink); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: 0; cursor: pointer; text-align: left; color: var(--ink);
  font-family: "Kumbh Sans", sans-serif; font-size: 1.05rem; font-weight: 700;
  padding: 20px 22px;
}
.faq-ico { position: relative; flex: 0 0 auto; width: 14px; height: 14px; }
.faq-ico::before, .faq-ico::after {
  content: ""; position: absolute; background: var(--ink); border-radius: 1px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.faq-ico::before { top: 6px; left: 0; width: 14px; height: 2px; }
.faq-ico::after { top: 0; left: 6px; width: 2px; height: 14px; }
.faq-item.open .faq-ico::after { transform: scaleY(0); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item.open .faq-a { max-height: 280px; }
.faq-a p { color: var(--char); margin: 0; padding: 0 22px 20px; font-size: .98rem; }

/* ===== Contact (dark, near-white type) ===== */
.contact-band {
  background: var(--ink-2);
  color: var(--on-dark);
  padding: 88px 0;
  border-top: 1px solid var(--line-dark);
}
.contact-inner {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
}
.contact-copy h2 { color: var(--on-dark); }
.contact-copy p { color: var(--on-dark-dim); max-width: 48ch; }
.contact-mail {
  display: flex; flex-direction: column; gap: 8px;
  border: 1px solid var(--on-dark);
  padding: 28px 32px;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.mail-kicker {
  font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--on-dark-dim);
}
.mail-addr {
  font-family: "Crimson Pro", serif;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  color: var(--on-dark);
}

/* ===== Footer (dark) ===== */
.site-footer {
  background: var(--ink);
  color: var(--on-dark);
  padding: 48px 0 28px;
  border-top: 1px solid var(--line-dark);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 28px; flex-wrap: wrap;
  padding-bottom: 28px; border-bottom: 1px solid var(--line-dark);
}
.brand-foot .brand-name { color: var(--on-dark); }
.footer-tag { color: var(--on-dark-dim); margin-top: 12px; font-size: .95rem; }
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-nav a { color: var(--on-dark-dim); font-size: 15px; font-weight: 600; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  color: var(--on-dark-dim); font-size: 14px; padding-top: 20px;
}

/* ===== Reveal (must sit before hover transforms) ===== */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .piece-left, .piece-right, .join-cam { animation: none !important; }
}

/* Hover AFTER .reveal.in so lift is not overwritten */
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 32px -12px rgba(10,10,10,.55);
  }
  .btn-ghost:hover {
    transform: translateY(-3px);
    background: var(--ink);
    color: var(--on-dark);
  }
  .nav a:hover { color: var(--ink); }
  .nav .nav-cta:hover { background: var(--char); transform: translateY(-2px); }
  .sol.reveal.in:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 40px -24px rgba(10,10,10,.45);
    background: #fff;
    z-index: 3;
  }
  .faq-q:hover { color: var(--char); }
  .faq-item:hover { background: var(--paper); }
  .contact-mail:hover {
    transform: translateY(-4px);
    background: var(--on-dark);
    color: var(--ink);
  }
  .contact-mail:hover .mail-kicker,
  .contact-mail:hover .mail-addr { color: var(--ink); }
  .footer-nav a:hover { color: var(--on-dark); }
}

/* ===== Tablet ===== */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .join-stage { order: -1; }
  .sol-row { grid-template-columns: 1fr; gap: 18px; }
  .sol + .sol { margin-left: 0; }
  .sol-tab, .sol-socket { display: none; }
  .about-grid, .faq-grid, .contact-inner { grid-template-columns: 1fr; gap: 28px; }
}

/* ===== Mobile nav + 390px stack ===== */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; gap: 4px; align-items: stretch;
    background: rgba(241,241,241,.98); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px;
    transform: translateY(-120%);
    transition: transform .35s var(--ease);
    z-index: 90;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 12px 4px; font-size: 17px; border-bottom: 1px solid var(--line); }
  .nav .nav-cta { text-align: center; margin-top: 10px; }

  .hero { padding: 108px 0 48px; }
  .section, .quote-band, .contact-band { padding: 64px 0; }
  .sol { min-height: 0; padding: 26px 22px; }
  .container { padding: 0 20px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}

@media (max-width: 420px) {
  .brand-name { font-size: 14px; }
  .hero h1 { font-size: 2.15rem; }
  .sol h3 { font-size: 1.45rem; }
  .footer-inner, .footer-bottom { flex-direction: column; }
  .contact-mail { padding: 22px; }
}