/* Portillo Technologies — site.css
   Mostly black & white, deep restrained green. Söhne Dreiviertelfett + Buch. */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Soehne Dreiviertelfett";
  src: url("../fonts/soehne-dreiviertelfett.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Soehne Buch";
  src: url("../fonts/soehne-buch.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --ink:        #08090A;
  --ink-2:      #0D0E10;
  --ink-3:      #131517;
  --bone:       #ECECE8;
  --bone-dim:   #93958F;
  --bone-faint: #5A5C57;
  --hair:       rgba(236, 236, 232, 0.10);
  --hair-soft:  rgba(236, 236, 232, 0.06);

  /* Deep, barely-there green */
  --green-deep: #0B3D2E;
  --green:      #1B8A5A;
  --green-glow: #3EE08C;

  --font-display: "Soehne Dreiviertelfett", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Soehne Buch", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    ui-monospace, "SF Mono", "SFMono-Regular", "Menlo", "Consolas", monospace;

  --maxw: 1240px;
  --gut: clamp(1.25rem, 4vw, 3.5rem);
  --ease: cubic-bezier(0.32, 0.72, 0, 1);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-6: 4rem;
  --space-8: 6.5rem;
  --space-10: 10rem;
}

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--green); color: var(--ink); }

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

/* Fixed grain overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.035;
  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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }
section { padding-block: clamp(4rem, 10vw, var(--space-10)); }
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--bone); color: var(--ink); padding: 0.75rem 1rem;
  font-family: var(--font-mono); font-size: 0.8rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- Type ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bone-dim);
  margin: 0 0 1.25rem;
}
.eyebrow .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green-glow); margin-right: 0.7em; vertical-align: middle;
  box-shadow: 0 0 8px var(--green-glow);
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.02; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); letter-spacing: -0.01em; }
p { text-wrap: pretty; }
.lead { font-size: clamp(1.15rem, 1.9vw, 1.45rem); line-height: 1.5; color: var(--bone); max-width: 40ch; }
.muted { color: var(--bone-dim); }
.mono { font-family: var(--font-mono); }
.green { color: var(--green-glow); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem var(--gut);
  transition: background 0.5s var(--ease), backdrop-filter 0.5s var(--ease), border-color 0.5s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8, 9, 10, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--hair);
}
.brandmark {
  font-family: var(--font-display);
  font-size: 1.02rem; letter-spacing: 0.02em;
  display: inline-flex; align-items: center; gap: 0.55rem;
}
.brandmark .tick { width: 9px; height: 9px; background: var(--green); border-radius: 1px; transform: rotate(45deg); }
.nav-links { display: flex; align-items: center; gap: clamp(1.1rem, 2.4vw, 2.4rem); }
.nav-links a {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--bone-dim);
  transition: color 0.4s var(--ease); position: relative;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--bone); }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 100%; height: 1px; background: var(--green);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.85rem 0.95rem 0.85rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: var(--ink-2);
  color: var(--bone);
  cursor: pointer;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease), border-color 0.4s var(--ease);
}
.btn:hover { background: var(--ink-3); border-color: rgba(62, 224, 140, 0.4); }
.btn:active { transform: scale(0.98); }
.btn .pip {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--green); color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease);
}
.btn:hover .pip { transform: translate(2px, -2px) scale(1.06); background: var(--green-glow); }
.btn--ghost { background: transparent; padding-left: 1.4rem; }
.btn--solid { background: var(--bone); color: var(--ink); border-color: var(--bone); }
.btn--solid .pip { background: var(--ink); color: var(--bone); }
.btn--solid:hover { background: #fff; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100dvh; display: flex; align-items: center; overflow: hidden; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 120%, transparent 40%, rgba(8,9,10,0.85) 100%),
    linear-gradient(180deg, rgba(8,9,10,0.5) 0%, transparent 25%, transparent 60%, rgba(8,9,10,0.7) 100%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero-eyebrow { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--bone-dim); margin-bottom: 1.6rem; }
.wordmark {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 15.5vw, 15rem);
  line-height: 0.86; letter-spacing: -0.035em; margin: 0;
  display: flex; flex-wrap: wrap;
}
.wordmark .ch {
  display: inline-block;
  opacity: 0; transform: translateY(0.4em);
  animation: chIn 0.9s var(--ease) forwards;
}
@keyframes chIn { to { opacity: 1; transform: translateY(0); } }
.hero-sub {
  margin-top: 1.8rem; display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.6rem 1.4rem;
  opacity: 0; animation: chIn 1s var(--ease) 0.9s forwards;
}
.hero-sub .name { font-family: var(--font-display); font-size: 1rem; letter-spacing: 0.02em; }
.hero-tag { font-size: clamp(1.05rem, 2vw, 1.4rem); color: var(--bone); max-width: 30ch; }
.hero-cta { margin-top: 2.6rem; display: flex; gap: 0.9rem; flex-wrap: wrap; opacity: 0; animation: chIn 1s var(--ease) 1.15s forwards; }
.hero-scan {
  position: absolute; left: var(--gut); bottom: 2rem; z-index: 2;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--bone-faint);
  display: flex; align-items: center; gap: 0.8rem;
}
.hero-scan .bar { width: 60px; height: 1px; background: linear-gradient(90deg, var(--green), transparent); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(2rem); filter: blur(6px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), filter 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; filter: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .wordmark .ch, .hero-sub, .hero-cta { opacity: 1; transform: none; animation: none; }
}

/* ---------- Manifesto ---------- */
.manifesto { border-top: 1px solid var(--hair); }
.manifesto .big {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 3.6vw, 3rem); line-height: 1.12; letter-spacing: -0.02em;
  max-width: 22ch;
}
.manifesto .big em { font-style: normal; color: var(--bone-dim); }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.split .meta { font-family: var(--font-mono); font-size: 0.82rem; color: var(--bone-dim); line-height: 1.8; }
.split .meta p { margin: 0 0 1.1rem; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; gap: 2.5rem; } }

/* ---------- Capability cards (Bento) ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; margin-top: 3rem; }
.card {
  position: relative; padding: 4px; border-radius: 1.6rem;
  background: var(--hair-soft); border: 1px solid var(--hair);
}
.card-core {
  height: 100%; border-radius: calc(1.6rem - 4px);
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  box-shadow: inset 0 1px 1px rgba(236,236,232,0.05);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: flex; flex-direction: column; gap: 1rem;
  transition: border-color 0.5s var(--ease), transform 0.5s var(--ease);
  border: 1px solid transparent;
}
.card:hover .card-core { transform: translateY(-3px); }
.card .idx { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--green); }
.card h3 { margin-top: 0.3rem; }
.card p { margin: 0; color: var(--bone-dim); font-size: 0.98rem; }
.card .tags { margin-top: auto; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bone-faint); }
.card.col-7 { grid-column: span 7; }
.card.col-5 { grid-column: span 5; }
.card.col-6 { grid-column: span 6; }
.card.col-4 { grid-column: span 4; }
.card.col-12 { grid-column: span 12; }
@media (max-width: 820px) { .cap-grid .card { grid-column: span 12 !important; } }

/* ---------- Stat / difference strip ---------- */
.diff { border-top: 1px solid var(--hair); }
.diff-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: 3rem; }
.diff-grid .item { border-left: 1px solid var(--hair); padding-left: 1.4rem; }
.diff-grid .item .k { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--green); margin-bottom: 0.8rem; }
.diff-grid .item p { margin: 0; color: var(--bone-dim); font-size: 0.96rem; }
@media (max-width: 820px) { .diff-grid { grid-template-columns: 1fr; gap: 1.6rem; } }

/* ---------- CTA band ---------- */
.cta-band { border-top: 1px solid var(--hair); }
.cta-band .inner { display: flex; align-items: end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-band h2 { max-width: 16ch; }

/* ---------- About specifics ---------- */
.principles { display: grid; gap: 1px; background: var(--hair); border: 1px solid var(--hair); border-radius: 1.2rem; overflow: hidden; margin-top: 3rem; }
.principles .row { background: var(--ink); padding: clamp(1.4rem, 3vw, 2rem) clamp(1.4rem,3vw,2.2rem); display: grid; grid-template-columns: 60px 1fr; gap: 1.5rem; align-items: baseline; transition: background 0.4s var(--ease); }
.principles .row:hover { background: var(--ink-2); }
.principles .row .n { font-family: var(--font-mono); font-size: 0.8rem; color: var(--green); }
.principles .row .b strong { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; display: block; margin-bottom: 0.4rem; }
.principles .row .b p { margin: 0; color: var(--bone-dim); font-size: 0.97rem; }
@media (max-width: 640px) { .principles .row { grid-template-columns: 1fr; gap: 0.5rem; } }

/* ---------- Contact form ---------- */
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; } }
.contact-meta dl { margin: 2.4rem 0 0; }
.contact-meta dt { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--bone-faint); margin-bottom: 0.3rem; }
.contact-meta dd { margin: 0 0 1.6rem; font-size: 1rem; }
.contact-meta dd a { border-bottom: 1px solid var(--hair); transition: border-color 0.4s var(--ease); }
.contact-meta dd a:hover { border-color: var(--green); }

form .field { position: relative; margin-bottom: 1.6rem; }
form label { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--bone-dim); display: block; margin-bottom: 0.6rem; }
form input, form textarea {
  width: 100%; background: var(--ink-2); color: var(--bone);
  border: 1px solid var(--hair); border-radius: 0.7rem;
  padding: 0.95rem 1.05rem; font-family: var(--font-body); font-size: 1rem;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
form input:focus, form textarea:focus { outline: none; border-color: var(--green); background: var(--ink-3); }
form textarea { resize: vertical; min-height: 150px; }
form input:user-invalid, form textarea:user-invalid { border-color: #b3402c; }
.form-foot { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; margin-top: 0.5rem; }
.form-status { font-family: var(--font-mono); font-size: 0.78rem; color: var(--bone-dim); }
.form-status.ok { color: var(--green-glow); }
.form-status.err { color: #e0735c; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--hair); padding-block: clamp(3rem, 6vw, 5rem); }
.footer .wordfoot { font-family: var(--font-display); font-size: clamp(3rem, 13vw, 11rem); line-height: 0.82; letter-spacing: -0.04em; color: var(--ink-3); margin: 0 0 2.5rem; user-select: none; }
.footer .foot-row { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bone-faint); }
.footer .foot-row a:hover { color: var(--bone); }
.footer .foot-links { display: flex; gap: 1.6rem; flex-wrap: wrap; }