/* Kona — kona.so. Tokens from brand/PROFILE.md (the board, 2026-09-21). */
:root {
  --ink: #1D1B1B;
  --ink-deep: #151514;
  --bone: #EEEADF;
  --bone-2: rgba(238, 234, 223, .68);
  --bone-3: rgba(238, 234, 223, .44);
  --rule: rgba(238, 234, 223, .16);
  --cyan: #38CDD9;
  --coral: #DF7F6C;

  --display: "Bebas Neue", "Oswald", Impact, sans-serif;
  --body: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --gutter: clamp(16px, 4vw, 56px);
  --max: 1320px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* film grain, fixed, under everything */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 100; pointer-events: none;
  opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
code { font: 500 .88em var(--mono); color: var(--bone); background: var(--ink-deep); padding: .1em .4em; border: 1px solid var(--rule); }
::selection { background: var(--cyan); color: var(--ink); }

.skip { position: absolute; left: -999px; top: 8px; background: var(--bone); color: var(--ink); padding: 8px 12px; z-index: 200; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ── type ───────────────────────────────────────── */
.display {
  font: 400 clamp(56px, 9.4vw, 148px)/.9 var(--display);
  text-transform: uppercase;
  letter-spacing: .005em;
  margin: 0;
}
.display.md { font-size: clamp(44px, 6.4vw, 96px); }
.display.sm { font-size: clamp(34px, 4.2vw, 60px); line-height: .95; }

.label, .tag, .mono, .step-tag, .tier-name, .specs span {
  font: 500 12px/1.4 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.label { color: var(--bone-3); margin: 0 0 20px; }
.lede, .sub { color: var(--bone-2); max-width: 36em; }
.lede { font-size: clamp(17px, 1.45vw, 20px); margin: 28px 0 0; }
.sub { margin: 20px 0 0; }
.fine { color: var(--bone-3); font-size: 14px; margin: 16px 0 0; }

/* ── buttons ────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 24px;
  font: 500 13px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  text-decoration: none;
  background: var(--bone); color: var(--ink);
  border: 1px solid var(--bone);
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: transparent; color: var(--bone); }
.btn-ghost { background: transparent; color: var(--bone); border-color: var(--rule); min-height: 40px; padding: 0 16px; font-size: 12px; }
.btn-ghost:hover { border-color: var(--bone); }
/* the one warm hue: the action, once per page */
.btn-action { background: var(--coral); border-color: var(--coral); color: var(--ink); margin-top: 32px; min-height: 56px; padding: 0 32px; }
.btn-action:hover { background: transparent; color: var(--coral); }
.text-link { font: 500 13px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--bone-2); text-decoration: none; }
.text-link:hover { color: var(--bone); }

/* ── lockup ─────────────────────────────────────── */
.lockup { display: inline-flex; align-items: center; gap: 14px; text-decoration: none; color: var(--bone); }
.lockup .word { font: 400 30px/1 var(--display); letter-spacing: .02em; padding-top: 3px; }
.lockup .rule { width: 1px; height: 26px; background: var(--rule); }
.lockup .mark { width: 26px; height: 26px; fill: currentColor; }
.lockup.sm .word { font-size: 24px; }
.lockup.sm .mark { width: 20px; height: 20px; }
.lockup.sm .rule { height: 20px; }

/* ── nav ────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 32px;
  padding: 14px var(--gutter);
  background: rgba(29, 27, 27, .86);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav nav { display: flex; gap: 28px; margin-left: auto; }
.nav nav a { font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--bone-2); text-decoration: none; }
.nav nav a:hover { color: var(--bone); }
@media (max-width: 760px) {
  .nav { gap: 12px; }
  .nav nav { display: none; }
  .nav .btn-ghost { margin-left: auto; }
}

/* ── panels: numbered cells on a ruled grid ─────── */
main { max-width: var(--max); margin: 0 auto; border-left: 1px solid var(--rule); border-right: 1px solid var(--rule); }
.panel, .close {
  position: relative;
  padding: clamp(64px, 9vw, 128px) var(--gutter);
  border-bottom: 1px solid var(--rule);
}
.panel::after, .close::after {
  content: attr(data-n);
  position: absolute; left: var(--gutter); bottom: 16px;
  font: 400 12px var(--mono); color: var(--bone-3);
}
/* crop marks at the panel corners */
.panel::before {
  content: ""; position: absolute; inset: 10px; pointer-events: none;
  background:
    linear-gradient(var(--rule), var(--rule)) top left / 14px 1px,
    linear-gradient(var(--rule), var(--rule)) top left / 1px 14px,
    linear-gradient(var(--rule), var(--rule)) top right / 14px 1px,
    linear-gradient(var(--rule), var(--rule)) top right / 1px 14px;
  background-repeat: no-repeat;
}
.head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }

/* ── 01 hero ────────────────────────────────────── */
.hero {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding-top: clamp(56px, 8vw, 112px);
  /* drafting grid */
  background-image:
    linear-gradient(to right, rgba(238,234,223,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(238,234,223,.045) 1px, transparent 1px);
  background-size: 64px 64px;
}
.hero .label { color: var(--cyan); }
.term {
  margin-top: 32px; max-width: 460px;
  padding: 14px 16px;
  background: var(--ink-deep); border: 1px solid var(--rule);
  font: 400 13px/1.4 var(--mono); color: var(--bone-2);
  white-space: nowrap; overflow: hidden;
}
.term .prompt { color: var(--cyan); }
.cursor { display: inline-block; width: 8px; height: 15px; margin-left: 2px; vertical-align: -3px; background: var(--cyan); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 32px; }

.crop { position: relative; margin: 0; }
.crop img { width: 100%; }
.crop::before {
  content: ""; position: absolute; inset: -8px; pointer-events: none; z-index: 1;
  background:
    linear-gradient(var(--bone-3), var(--bone-3)) top left / 18px 1px,
    linear-gradient(var(--bone-3), var(--bone-3)) top left / 1px 18px,
    linear-gradient(var(--bone-3), var(--bone-3)) top right / 18px 1px,
    linear-gradient(var(--bone-3), var(--bone-3)) top right / 1px 18px,
    linear-gradient(var(--bone-3), var(--bone-3)) bottom left / 18px 1px,
    linear-gradient(var(--bone-3), var(--bone-3)) bottom left / 1px 18px,
    linear-gradient(var(--bone-3), var(--bone-3)) bottom right / 18px 1px,
    linear-gradient(var(--bone-3), var(--bone-3)) bottom right / 1px 18px;
  background-repeat: no-repeat;
}
.tag { display: block; margin-top: 14px; color: var(--bone-3); }
.hero-media img { aspect-ratio: 4 / 5; object-fit: cover; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-media { max-width: 520px; }
}

/* ── 02 intro ───────────────────────────────────── */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.intro-body p { margin: 0; font-size: clamp(18px, 1.6vw, 22px); line-height: 1.5; }
.specs { list-style: none; padding: 0; margin: 40px 0 0; border-top: 1px solid var(--rule); }
.specs li { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--rule); color: var(--bone-2); font-size: 16px; }
.specs span { color: var(--bone-3); padding-top: 3px; }
@media (max-width: 760px) {
  .intro-grid { grid-template-columns: 1fr; }
  .specs li { grid-template-columns: 1fr; gap: 4px; }
}

/* ── 03 method ──────────────────────────────────── */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule); }
.steps li { position: relative; padding: 28px 24px 32px 0; }
.steps li + li { padding-left: 24px; border-left: 1px solid var(--rule); }
.step-tag { color: var(--cyan); }
.num { display: block; font: 400 72px/1 var(--display); color: var(--bone); margin: 28px 0 12px; }
.steps h3 { font: 600 19px/1.3 var(--body); margin: 0 0 10px; }
.steps p { margin: 0; color: var(--bone-2); font-size: 15.5px; }
@media (max-width: 1000px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .steps li:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding-left: 0; border-left: 0; }
  .steps li + li { border-top: 1px solid var(--rule); }
}

/* ── 04 work ────────────────────────────────────── */
.work-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(32px, 4vw, 48px) clamp(16px, 2.4vw, 32px); }
.work-grid .pack { grid-column: span 3; margin: 0; }
.work-grid .pack img { border: 1px solid var(--rule); }
.work-grid .single { grid-column: span 2; }
.work-grid .single img { aspect-ratio: 1 / 1; object-fit: cover; object-position: center bottom; }
@media (max-width: 760px) {
  .work-grid .pack, .work-grid .single { grid-column: span 6; }
}

/* ── 05 sprint ──────────────────────────────────── */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); }
.tier { padding: 32px 28px; }
.tier + .tier { border-left: 1px solid var(--rule); }
.tier.is-main { background: var(--ink-deep); box-shadow: inset 0 2px 0 var(--cyan); }
.tier-name { color: var(--bone-3); margin: 0; }
.tier.is-main .tier-name { color: var(--cyan); }
.tier-n { font: 400 clamp(72px, 8vw, 112px)/1 var(--display); margin: 20px 0 8px; }
.tier-n span { font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--bone-3); margin-left: 10px; }
.tier-fit { margin: 0; color: var(--bone-2); font-size: 15px; }
@media (max-width: 760px) {
  .tiers { grid-template-columns: 1fr; }
  .tier + .tier { border-left: 0; border-top: 1px solid var(--rule); }
}

.guarantee {
  margin-top: clamp(56px, 8vw, 104px);
  padding: clamp(32px, 5vw, 56px);
  background: var(--bone); color: var(--ink);
}
.guarantee .label { color: rgba(29,27,27,.55); }
.guarantee p:last-child { max-width: 38em; margin: 24px 0 0; color: rgba(29,27,27,.78); }

/* ── 06 different ───────────────────────────────── */
.diff-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.diff-grid > div { background: var(--ink); padding: 28px 24px 32px; }
.diff-grid h3 { font: 400 32px/1 var(--display); letter-spacing: .02em; margin: 0 0 14px; color: var(--bone-2); }
.diff-grid p { margin: 0; color: var(--bone-2); font-size: 15.5px; }
.diff-grid .diff-us { background: var(--ink-deep); }
.diff-grid .diff-us h3 { color: var(--bone); }
.diff-grid .diff-us h3::before { content: "[K] "; color: var(--cyan); font: 500 13px var(--mono); vertical-align: 6px; }
.diff-grid .diff-us p { color: var(--bone); }
@media (max-width: 1000px) { .diff-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .diff-grid { grid-template-columns: 1fr; } }

/* ── 07 faq ─────────────────────────────────────── */
.faq { border-top: 1px solid var(--rule); max-width: 880px; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; gap: 24px;
  padding: 24px 0;
  font: 500 clamp(17px, 1.5vw, 20px)/1.35 var(--body);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 20px/1.2 var(--mono); color: var(--bone-3); transition: transform .2s; }
.faq details[open] summary::after { content: "−"; color: var(--cyan); }
.faq details p { margin: 0 0 28px; color: var(--bone-2); max-width: 44em; }

/* ── 08 close: the split ────────────────────────── */
.close { display: grid; grid-template-columns: 1.4fr 1fr; padding: 0; }
.close > div { padding: clamp(64px, 9vw, 128px) var(--gutter); }
.close-mail { border-left: 1px solid var(--rule); display: flex; flex-direction: column; justify-content: flex-end; }
.email { font: 400 clamp(36px, 4vw, 56px)/1 var(--display); letter-spacing: .02em; text-decoration: none; overflow-wrap: anywhere; }
.email:hover { color: var(--cyan); }
@media (max-width: 860px) {
  .close { grid-template-columns: 1fr; }
  .close-mail { border-left: 0; border-top: 1px solid var(--rule); }
}

/* ── footer ─────────────────────────────────────── */
.foot {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 32px;
  padding: 32px var(--gutter);
  border: 1px solid var(--rule); border-top: 0;
  color: var(--bone-3); font-size: 14px;
}
.foot p { margin: 0; }
.foot a:not(.lockup) { color: var(--bone-2); text-decoration: none; }
.foot a:not(.lockup):hover { color: var(--bone); }
@media (max-width: 860px) {
  .foot { grid-template-columns: 1fr; gap: 12px; }
}

/* ── reveal ─────────────────────────────────────── */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }