/* VisionzLab — acid-lime editorial neo-brutalism.
   Palette: lime #E1FF3F · ink #16052D · paper #FAFAF7. No gradients, no soft shadows. */
:root {
  --lime: #e1ff3f;
  --ink: #16052d;
  --paper: #fafaf7;
  --white: #ffffff;
  --muted: rgba(22, 5, 45, 0.7);
  --stroke: 2.5px solid var(--ink);
  --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
::selection { background: var(--lime); color: var(--ink); }

/* Type */
h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.12; letter-spacing: -0.025em; font-weight: 600; }
h1 { font-size: clamp(2.5rem, 5.8vw, 5rem); font-weight: 600; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3.1rem); margin-top: 1em; }
h2:first-child { margin-top: 0; }
h3 { font-size: 1.3rem; letter-spacing: -0.02em; line-height: 1.15; }
p { margin: 0 0 1em; }
.hl {
  background: var(--lime);
  padding: 0 0.12em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.tone-lime .hl, .panel-lime .hl { background: var(--white); }
.band .hl { background: var(--lime); color: var(--ink); }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  border: 2px solid var(--ink); border-radius: 999px; padding: 4px 12px; margin-bottom: 1.4em;
  background: var(--white);
}
.lead { font-size: clamp(1.15rem, 1.8vw, 1.4rem); line-height: 1.5; max-width: 40ch; color: var(--muted); }
.big { font-size: 1.18rem; line-height: 1.55; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.link { font-weight: 700; text-decoration: none; border-bottom: 2.5px solid var(--lime); }
.tone-lime .link { border-color: var(--ink); }
.link:hover { background: var(--lime); }
.more { margin-top: 32px; }

/* Layout */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }
.section { padding: clamp(64px, 9vw, 120px) 0; border-top: var(--stroke); }
.tone-lime { background: var(--lime); }
.tone-paper { background: var(--paper); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.sec-head { max-width: 760px; margin-bottom: 48px; }
.intro { font-size: 1.18rem; color: var(--muted); margin-top: -0.2em; }
.prose p { max-width: 62ch; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--lime); color: var(--ink); text-decoration: none; font-weight: 700;
  padding: 15px 24px; border: var(--stroke); border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translate(-3px, -3px); box-shadow: 3px 3px 0 var(--ink); }
.btn-ghost { background: transparent; }
.btn-ink { background: var(--ink); color: var(--lime); }
.btn-sm { padding: 9px 18px; font-size: 0.92rem; }
.tone-lime .btn:not(.btn-ink) { background: var(--white); }
.actions { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }

/* Header */
.top { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: var(--stroke); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 500; font-size: 1.35rem;
  letter-spacing: -0.01em; text-decoration: none; }
.mark { width: 36px; height: 36px; flex: none; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav > a:not(.btn) { text-decoration: none; font-weight: 600; font-size: 0.95rem; padding: 4px 0;
  border-bottom: 2.5px solid transparent; }
.nav > a:not(.btn):hover { border-color: var(--lime); }

/* Hero */
.hero { padding: clamp(56px, 8vw, 104px) 0; }
.hero-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-solo h1 { max-width: 15ch; }
.hero-solo .lead { max-width: 52ch; }
.hero.tone-lime .lead { color: var(--ink); }

/* Illustration frame: off-white art inside a lime block with an ink border */
.frame { background: var(--lime); border: var(--stroke); padding: clamp(14px, 2vw, 26px); position: relative; }
.frame img { border: var(--stroke); background: var(--paper); width: 100%; }
.frame-paper { background: var(--paper); }
.frame-photo { max-width: 460px; justify-self: end; }
.hero .frame { animation: drift 7s ease-in-out infinite; }
@keyframes drift { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@media (prefers-reduced-motion: reduce) { .hero .frame { animation: none; } .btn, .card, .row { transition: none; } }

/* Stats strip */
.stats { background: var(--ink); color: var(--paper); border-top: var(--stroke); }
.stats-in { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 36px 24px; border-left: 1.5px solid rgba(250, 250, 247, 0.22); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat strong { display: block; font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 600; letter-spacing: -0.03em;
  color: var(--lime); line-height: 1; margin-bottom: 10px; }
.stat span { font-size: 0.95rem; color: rgba(250, 250, 247, 0.78); }

/* Cards */
.cards { display: grid; gap: 20px; }
.cards-tiers { grid-template-columns: repeat(5, 1fr); }
.cards-uc { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.card {
  position: relative; display: flex; flex-direction: column; text-decoration: none;
  background: var(--white); border: var(--stroke); padding: 22px; min-height: 100%;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
a.card:hover { transform: translate(-4px, -4px); box-shadow: 6px 6px 0 var(--ink); }
.card h3 { margin-top: 6px; }
.card p { color: var(--muted); font-size: 0.97rem; margin: 0 0 18px; }
.card .arrow { margin-top: auto; font-weight: 600; font-size: 1.3rem; }
.card-on { background: var(--lime); }
.card-on p { color: var(--ink); }
.tone-lime .card-on { background: var(--ink); color: var(--paper); }
.tone-lime .card-on p, .tone-lime .card-on .tag { color: rgba(250, 250, 247, 0.8); }
.num { font-weight: 600; font-size: 0.85rem; letter-spacing: 0.06em; }
.tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.tier .num { position: absolute; top: 18px; right: 20px; }
.thumb { margin: 14px 0 12px; border: 2px solid var(--ink); background: var(--paper); }
.thumb img { width: 100%; aspect-ratio: 1; object-fit: cover; }

/* Panels */
.panel { background: var(--white); border: var(--stroke); padding: clamp(24px, 3vw, 40px); align-self: stretch; }
.panel-lime { background: var(--lime); }

/* Editorial rows */
.rows { border-top: var(--stroke); }
.row { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 24px; align-items: center; text-decoration: none;
  padding: 28px 0; border-bottom: var(--stroke); transition: background 0.15s ease, padding 0.15s ease; }
.row h3 { font-size: clamp(1.4rem, 2.6vw, 2.1rem); margin: 0; }
.row p { margin: 0; color: var(--muted); }
.row .arrow { font-size: 1.8rem; font-weight: 500; }
.row:hover { background: var(--lime); padding-left: 16px; padding-right: 16px; }

/* Lists */
.ticks { list-style: none; padding: 0; margin: 0 0 1em; }
.ticks li { position: relative; padding-left: 36px; margin-bottom: 14px; font-size: 1.05rem; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.2em; width: 20px; height: 20px;
  background: var(--lime); border: 2px solid var(--ink); }
.ticks li::after { content: ""; position: absolute; left: 6px; top: 0.42em; width: 8px; height: 5px;
  border-left: 2.5px solid var(--ink); border-bottom: 2.5px solid var(--ink); transform: rotate(-45deg); }
.panel-lime .ticks li::before { background: var(--white); }
.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding: 0 0 26px 60px; }
.steps li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: -2px; width: 42px; height: 42px;
  background: var(--lime); border: var(--stroke); display: grid; place-items: center; font-weight: 600; font-size: 0.9rem; }
.steps strong { display: block; font-size: 1.1rem; }
.steps span { color: var(--muted); }

/* FAQ */
.faq { border-top: var(--stroke); }
.faq details { border-bottom: var(--stroke); padding: 22px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.15rem; list-style: none; letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; font-size: 1.5rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 12px 0 0; color: var(--muted); max-width: 70ch; }

/* CTA band */
.band { background: var(--ink); color: var(--paper); padding: clamp(56px, 8vw, 100px) 0; border-top: var(--stroke); }
.band-in { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.band h2 { margin: 0 0 14px; }
.band p { color: rgba(250, 250, 247, 0.78); max-width: 56ch; margin: 0; font-size: 1.1rem; }
.band .btn:hover { box-shadow: 3px 3px 0 var(--lime); }

/* Person */
.person .frame-photo img { aspect-ratio: 4 / 5; object-fit: cover; }

/* Footer */
.foot { background: var(--paper); border-top: var(--stroke); padding-top: 64px; }
.foot-in { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1.2fr; gap: 28px; padding-bottom: 40px; }
.foot h4 { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: 9px; }
.foot li a { text-decoration: none; font-size: 0.95rem; border-bottom: 2px solid transparent; }
.foot li a:hover { border-color: var(--lime); }
.foot li a[href^="mailto"] { word-break: break-all; }
.foot p { font-size: 0.92rem; margin-top: 14px; color: var(--muted); }
.legal { border-top: var(--stroke); padding: 18px 0 28px; font-size: 0.85rem; }

/* Responsive */
@media (max-width: 1080px) {
  .cards-tiers { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .split, .hero-split { grid-template-columns: 1fr; }
  .frame-photo { justify-self: start; }
  .stats-in { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat { border-top: 1.5px solid rgba(250, 250, 247, 0.22); }
  .cards-tiers { grid-template-columns: 1fr 1fr; }
  .row { grid-template-columns: 1fr auto; }
  .row p { grid-column: 1 / -1; grid-row: 2; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .foot-in > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .nav { gap: 14px; }
  .nav > a:not(.btn):not(:first-child) { display: none; }
  .brand { font-size: 1.1rem; }
  .cards-tiers { grid-template-columns: 1fr; }
  .stat { padding: 24px 12px 24px 0; }
}
@media (max-width: 480px) {
  .foot-in { grid-template-columns: 1fr; }
  .stats-in { grid-template-columns: 1fr; }
  .stat, .stat:nth-child(3) { border-left: 0; padding-left: 0; }
}
