/* ============================================================
   sitekali — shared styles
   Concrete-white gallery + ink + one electric Klein blue.
   ============================================================ */

:root {
  /* palette */
  --paper:    #e9e8e3;   /* concrete off-white (cooler than cream) */
  --paper-2:  #e1e0da;   /* recessed panels */
  --ink:      #121214;   /* near-black */
  --ink-soft: #34343a;
  --mute:     #75756e;   /* secondary text */
  --line:     rgba(18,18,20,.16);
  --line-2:   rgba(18,18,20,.07);
  --klein:    #1b1fe6;   /* electric blue accent */
  --klein-2:  #1418c2;
  --paper-rgb: 233,232,227;

  /* type */
  --display: "Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --body:    "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* metrics */
  --pad: clamp(1.25rem, 4vw, 4rem);
  --maxw: 1340px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--klein); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--klein);
  outline-offset: 3px;
  border-radius: 1px;
}

.skip-link {
  position: fixed; left: var(--pad); top: -100px; z-index: 200;
  background: var(--ink); color: var(--paper);
  padding: .7rem 1rem; font: 600 .8rem/1 var(--mono);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ---------- type helpers ---------- */
.eyebrow {
  font: 500 .72rem/1 var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mute);
  display: inline-flex; align-items: center; gap: .55rem;
}
.eyebrow::before {
  content: ""; width: 1.6rem; height: 1px; background: var(--ink);
  opacity: .55;
}
.eyebrow--plain::before { display: none; }

h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.02; letter-spacing: -.02em; }
h2 { font-size: clamp(2rem, 1.1rem + 4.2vw, 3.9rem); }
h3 { font-size: clamp(1.25rem, 1rem + 1.1vw, 1.85rem); letter-spacing: -.01em; }
p { max-width: 64ch; }
strong { font-weight: 600; }

.accent { color: var(--klein); }
.lead { font-size: clamp(1.15rem, 1rem + 1vw, 1.7rem); line-height: 1.4; letter-spacing: -.01em; color: var(--ink); max-width: 26ch; }
.lead--wide { max-width: 36ch; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(4.5rem, 9vw, 9rem); }
.section--tight { padding-block: clamp(3rem, 6vw, 5.5rem); }
.rule { height: 1px; background: var(--line); border: 0; }
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(1rem, 2.4vw, 2.4rem); }

/* generic section header: label + heading two-column */
.sec-head { display: grid; grid-template-columns: minmax(0,3fr) minmax(0,9fr); gap: clamp(1rem,3vw,3rem); align-items: end; }
.sec-head__num { font: 500 .72rem/1 var(--mono); letter-spacing: .14em; color: var(--mute); }
@media (max-width: 720px){ .sec-head { grid-template-columns: 1fr; gap: 1rem; } }

/* ---------- buttons / links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .7rem;
  font: 500 .82rem/1 var(--mono); letter-spacing: .04em;
  text-transform: uppercase;
  padding: 1.05rem 1.5rem;
  background: var(--ink); color: var(--paper);
  transition: background .35s var(--ease), transform .35s var(--ease);
  will-change: transform;
}
.btn:hover { background: var(--klein); transform: translateY(-2px); }
.btn .arr { transition: transform .35s var(--ease); }
.btn:hover .arr { transform: translate(3px,-3px); }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.tlink {
  display: inline-flex; align-items: center; gap: .5rem;
  font: 500 .82rem/1 var(--mono); letter-spacing: .04em; text-transform: uppercase;
  position: relative; padding-bottom: .35rem; color: var(--ink);
}
.tlink::after {
  content:""; position:absolute; left:0; bottom:0; height:1px; width:100%;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease-out);
}
.tlink:hover { color: var(--klein); }
.tlink:hover::after { transform: scaleX(1); }
.tlink .arr { transition: transform .35s var(--ease); }
.tlink:hover .arr { transform: translateX(4px); }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1rem,2.2vw,1.6rem) var(--pad);
  mix-blend-mode: normal;
  transition: background .4s var(--ease), border-color .4s var(--ease), padding .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(var(--paper-rgb), .82);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-2);
  padding-block: .9rem;
}
.brand {
  font: 700 1.18rem/1 var(--display); letter-spacing: -.03em;
  display: inline-flex; align-items: baseline; gap: .12rem;
}
.brand .dot { color: var(--klein); }
.nav__links { display: flex; align-items: center; gap: clamp(1.2rem, 2.4vw, 2.4rem); }
.nav__links a {
  font: 500 .78rem/1 var(--mono); letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink); position: relative; padding: .3rem 0;
}
.nav__links a::after {
  content:""; position:absolute; left:0; bottom:-2px; height:1px; width:100%;
  background: var(--klein); transform: scaleX(0); transform-origin:left;
  transition: transform .35s var(--ease-out);
}
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { transform: scaleX(1); }
.nav__links a[aria-current="page"] { color: var(--klein); }
.nav__cta { display: inline-flex; }

.nav__toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: .4rem;
}
.nav__toggle span { width: 26px; height: 2px; background: var(--ink); transition: transform .3s var(--ease), opacity .3s var(--ease); }

/* mobile menu */
.menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--ink); color: var(--paper);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--pad);
  clip-path: inset(0 0 100% 0);
  transition: clip-path .6s var(--ease-out);
  pointer-events: none;
}
.menu.open { clip-path: inset(0 0 0 0); pointer-events: auto; }
.menu a {
  font: 700 clamp(2.2rem, 11vw, 4.5rem)/.98 var(--display);
  letter-spacing: -.03em; padding: .2rem 0; color: var(--paper);
  display: flex; align-items: baseline; gap: 1rem;
  opacity: 0; transform: translateY(20px);
  transition: opacity .5s var(--ease), transform .5s var(--ease), color .25s;
}
.menu.open a { opacity: 1; transform: none; }
.menu.open a:nth-child(1){ transition-delay:.12s }
.menu.open a:nth-child(2){ transition-delay:.18s }
.menu.open a:nth-child(3){ transition-delay:.24s }
.menu.open a:nth-child(4){ transition-delay:.30s }
.menu.open a:nth-child(5){ transition-delay:.36s }
.menu a:hover { color: var(--klein); }
.menu a .ix { font: 500 .8rem/1 var(--mono); color: rgba(233,232,227,.5); align-self: flex-start; margin-top: .6rem; }
.menu__foot { margin-top: 3rem; display: flex; gap: 1.5rem; flex-wrap: wrap; font: 500 .78rem/1 var(--mono); color: rgba(233,232,227,.6); letter-spacing: .04em; }

@media (max-width: 880px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  body.menu-open .nav__toggle span:nth-child(1){ transform: translateY(7px) rotate(45deg); background: var(--paper); }
  body.menu-open .nav__toggle span:nth-child(2){ opacity: 0; }
  body.menu-open .nav__toggle span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); background: var(--paper); }
  body.menu-open .nav.scrolled { background: transparent; border-color: transparent; -webkit-backdrop-filter:none; backdrop-filter:none; }
}

/* ============================================================
   HERO (index)
   ============================================================ */
.hero { position: relative; height: 100svh; min-height: 640px; width: 100%; overflow: hidden; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
.hero__fallback {
  position:absolute; inset:0; display:none; place-items:center;
  background: radial-gradient(60% 60% at 50% 45%, #1a1a1f 0%, var(--paper) 70%);
}
.hero__grain { position:absolute; inset:0; pointer-events:none; opacity:.5; mix-blend-mode:multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
}
.hero__overlay {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  display: grid; grid-template-rows: 1fr auto;
  padding: clamp(5.5rem,10vh,8rem) var(--pad) clamp(1.5rem,4vh,2.5rem);
}
.hero__center { align-self: center; max-width: 18ch; }
.hero__title {
  font-size: clamp(2.9rem, 1.5rem + 8.5vw, 8.5rem);
  line-height: .92; letter-spacing: -.035em;
  mix-blend-mode: normal;
}
.hero__title .soft { color: var(--mute); }
.hero__foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.hero__slogan { font: 500 .8rem/1.5 var(--mono); letter-spacing: .04em; color: var(--ink); max-width: 30ch; text-transform: uppercase; }
.hero__meta { font: 500 .72rem/1.6 var(--mono); letter-spacing: .06em; color: var(--mute); text-align: right; text-transform: uppercase; }
.hero__hint {
  position:absolute; left:50%; bottom: clamp(1rem,4vh,2.2rem); transform: translateX(-50%);
  z-index:3; font: 500 .68rem/1 var(--mono); letter-spacing:.2em; text-transform:uppercase; color: var(--mute);
  display:flex; flex-direction:column; align-items:center; gap:.6rem; pointer-events:none;
}
.hero__hint .line { width:1px; height:34px; background: var(--ink); opacity:.35; animation: drop 2.4s var(--ease) infinite; transform-origin: top; }
@keyframes drop { 0%{transform:scaleY(0);opacity:0} 30%{opacity:.5} 100%{transform:scaleY(1);opacity:0} }
@media (max-width: 640px){ .hero__hint{ display:none } }

/* ============================================================
   SECTIONS / COMPONENTS
   ============================================================ */

/* manifesto */
.manifesto p { font-family: var(--display); font-weight: 600; font-size: clamp(1.5rem, 1rem + 3vw, 3rem); line-height: 1.12; letter-spacing: -.02em; max-width: 20ch; }
.manifesto .dim { color: var(--mute); }

/* work list (rows) */
.worklist { border-top: 1px solid var(--line); }
.work-row {
  display: grid; grid-template-columns: 3.5rem minmax(0,5fr) minmax(0,3fr) auto;
  align-items: center; gap: 1.5rem;
  padding: clamp(1.4rem,3vw,2.3rem) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .45s var(--ease), background .45s var(--ease);
}
.work-row:hover { padding-left: 1.2rem; background: var(--paper-2); }
.work-row__ix { font: 500 .74rem/1 var(--mono); color: var(--mute); }
.work-row__name { font-family: var(--display); font-weight: 700; font-size: clamp(1.4rem, 1rem + 2.2vw, 2.6rem); letter-spacing: -.02em; line-height: 1; }
.work-row__tag { font: 500 .74rem/1.5 var(--mono); letter-spacing: .04em; color: var(--mute); text-transform: uppercase; }
.work-row__arr { justify-self: end; opacity: 0; transform: translateX(-8px); transition: opacity .4s var(--ease), transform .4s var(--ease); color: var(--klein); }
.work-row:hover .work-row__arr { opacity: 1; transform: none; }
.work-row:hover .work-row__name { color: var(--klein); }
@media (max-width: 760px){
  .work-row { grid-template-columns: 2rem 1fr auto; row-gap: .4rem; }
  .work-row__tag { grid-column: 2 / -1; }
  .work-row__arr { display:none; }
}

/* capability grid */
.caps { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cap { background: var(--paper); padding: clamp(1.4rem,2.4vw,2rem); display: flex; flex-direction: column; gap: .8rem; min-height: 200px; transition: background .35s var(--ease); }
.cap:hover { background: var(--paper-2); }
.cap__k { font: 500 .72rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--mute); }
.cap__t { font-family: var(--display); font-weight: 700; font-size: 1.4rem; letter-spacing: -.01em; line-height: 1.05; }
.cap__d { font-size: .94rem; color: var(--ink-soft); line-height: 1.55; margin-top: auto; }

/* process steps */
.steps { display: grid; gap: 0; }
.step {
  display: grid; grid-template-columns: 4.5rem minmax(0,4fr) minmax(0,6fr); gap: clamp(1rem,3vw,3rem);
  padding: clamp(1.6rem,3vw,2.6rem) 0; border-top: 1px solid var(--line); align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step__n { font: 500 .8rem/1 var(--mono); color: var(--klein); letter-spacing: .04em; }
.step__t { font-family: var(--display); font-weight: 700; font-size: clamp(1.3rem,1rem+1.4vw,2rem); letter-spacing: -.015em; line-height: 1.05; }
.step__d { color: var(--ink-soft); }
@media (max-width: 720px){ .step { grid-template-columns: 3rem 1fr; } .step__d { grid-column: 2; } }

/* toolkit chips */
.chips { display: flex; flex-wrap: wrap; gap: .55rem; }
.chip { font: 500 .76rem/1 var(--mono); letter-spacing: .02em; padding: .6rem .85rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); transition: .3s var(--ease); }
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip--solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* big CTA band */
.cta-band { background: var(--ink); color: var(--paper); }
.cta-band .eyebrow { color: rgba(233,232,227,.6); }
.cta-band .eyebrow::before { background: var(--paper); }
.cta-band h2 { font-size: clamp(2.4rem, 1rem + 7vw, 6.5rem); line-height: .96; }
.cta-band .btn { background: var(--paper); color: var(--ink); }
.cta-band .btn:hover { background: var(--klein); color: var(--paper); }
.cta-band .rule { background: rgba(233,232,227,.16); }

/* feature split (about/services) */
.split { display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr); gap: clamp(1.5rem,4vw,4rem); align-items: start; }
@media (max-width: 820px){ .split { grid-template-columns: 1fr; } }

/* stat / fact list */
.facts { display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: clamp(1rem,2.4vw,2rem); }
.fact__n { font-family: var(--display); font-weight: 700; font-size: clamp(2.2rem,1rem+4vw,3.6rem); letter-spacing: -.03em; line-height: 1; }
.fact__l { font: 500 .74rem/1.4 var(--mono); letter-spacing: .04em; color: var(--mute); text-transform: uppercase; margin-top: .6rem; }

/* page hero (interior) */
.phero { padding-top: clamp(8rem, 16vh, 12rem); padding-bottom: clamp(2.5rem,5vw,4rem); }
.phero h1 { font-size: clamp(2.8rem, 1.4rem + 7vw, 7rem); line-height: .95; }
.phero__sub { margin-top: 1.4rem; }

/* service cards */
.svc { border-top: 1px solid var(--line); display:grid; gap:0; }
.svc-item { display:grid; grid-template-columns: 3.5rem minmax(0,4fr) minmax(0,6fr); gap: clamp(1rem,3vw,3rem); padding: clamp(1.6rem,3vw,2.6rem) 0; border-bottom: 1px solid var(--line); align-items:start; transition: background .35s var(--ease); }
.svc-item:hover { background: var(--paper-2); }
.svc-item__n { font: 500 .76rem/1 var(--mono); color: var(--mute); }
.svc-item__t { font-family: var(--display); font-weight:700; font-size: clamp(1.3rem,1rem+1.4vw,2rem); letter-spacing:-.015em; line-height:1.05; }
.svc-item ul { list-style:none; display:flex; flex-direction:column; gap:.5rem; margin-top:.9rem; }
.svc-item li { position:relative; padding-left:1.2rem; color: var(--ink-soft); font-size:.96rem; }
.svc-item li::before { content:""; position:absolute; left:0; top:.62em; width:.4rem; height:.4rem; background: var(--klein); }
@media (max-width:720px){ .svc-item { grid-template-columns: 2.5rem 1fr; } .svc-item__t ~ * , .svc-item ul { grid-column: 1 / -1; } }

/* contact form */
.form { display: grid; gap: 1.4rem; }
.field { display: grid; gap: .5rem; }
.field label { font: 500 .74rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.field input, .field textarea, .field select {
  font-family: var(--body); font-size: 1.05rem; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--line);
  padding: .7rem 0; transition: border-color .3s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--klein); }
.field textarea { resize: vertical; min-height: 120px; }
.field--row { display:grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
@media (max-width:560px){ .field--row { grid-template-columns: 1fr; } }
.form__note { font: 500 .76rem/1.5 var(--mono); color: var(--mute); }

.contact-grid { display:grid; grid-template-columns: minmax(0,7fr) minmax(0,5fr); gap: clamp(2rem,5vw,5rem); align-items:start; }
@media (max-width: 880px){ .contact-grid { grid-template-columns: 1fr; } }
.channels { display:grid; gap:1.5rem; }
.channel { display:grid; gap:.3rem; padding-block: 1.1rem; border-top: 1px solid var(--line); }
.channel:last-child { border-bottom: 1px solid var(--line); }
.channel__k { font: 500 .72rem/1 var(--mono); letter-spacing:.12em; text-transform:uppercase; color: var(--mute); }
.channel__v { font-family: var(--display); font-weight:700; font-size: 1.4rem; letter-spacing:-.01em; }
.channel a.channel__v:hover { color: var(--klein); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--line); padding-block: clamp(3rem,6vw,5rem) 2rem; }
.footer__top { display:flex; justify-content:space-between; align-items:flex-start; gap:2rem; flex-wrap:wrap; }
.footer__big { font: 700 clamp(2.5rem,1rem+9vw,7rem)/.9 var(--display); letter-spacing:-.04em; }
.footer__big .dot { color: var(--klein); }
.footer__cols { display:grid; grid-template-columns: repeat(2,minmax(120px,auto)); gap: 2.5rem; }
.footer__col h4 { font: 500 .72rem/1 var(--mono); letter-spacing:.12em; text-transform:uppercase; color: var(--mute); margin-bottom:1rem; }
.footer__col a, .footer__col span { display:block; padding:.3rem 0; font-size:.95rem; }
.footer__col a:hover { color: var(--klein); }
.footer__bottom { display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin-top:clamp(2.5rem,6vw,4.5rem); padding-top:1.5rem; border-top:1px solid var(--line-2); font: 500 .72rem/1.5 var(--mono); letter-spacing:.04em; color: var(--mute); text-transform:uppercase; }
@media (max-width: 640px){ .footer__top { flex-direction:column; } }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"]{ transition-delay:.08s } .reveal[data-d="2"]{ transition-delay:.16s }
.reveal[data-d="3"]{ transition-delay:.24s } .reveal[data-d="4"]{ transition-delay:.32s }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}