/* Datariva sketch raw-01 — layout & components (kolory w themes/*.css) */

:root {
  --font-display: "Instrument Sans", sans-serif;
  --font-body: "Instrument Sans", sans-serif;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 68rem;
  --narrow: 40rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 10% -10%, var(--body-glow-1) 0%, transparent 55%),
    radial-gradient(90% 60% at 100% 0%, var(--body-glow-2) 0%, transparent 45%),
    linear-gradient(180deg, var(--body-grad-top) 0%, var(--bg) 40%, var(--body-grad-bot) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* subtle industrial grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: var(--accent-ink);
}

img {
  max-width: 100%;
}

.wrap {
  width: min(100% - 2 * var(--pad), var(--max));
  margin-inline: auto;
}

.wrap.narrow {
  width: min(100% - 2 * var(--pad), var(--narrow));
}

/* 2/3 module + left/right alignment to the standard content column */
.wrap.span-2of3 {
  width: min(100% - 2 * var(--pad), calc(var(--max) * 2 / 3));
}

@media (min-width: 860px) {
  .wrap.span-2of3.from-start {
    margin-inline: max(var(--pad), calc((100% - var(--max)) / 2)) auto;
  }

  .wrap.span-2of3.from-end {
    margin-inline: auto max(var(--pad), calc((100% - var(--max)) / 2));
  }
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.85rem var(--pad);
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  line-height: 1;
}

.logo-word {
  display: block;
}

.brand-mark-a2--header {
  width: 4.75rem;
  height: 0.72rem;
  color: var(--accent);
}

.nav {
  display: none;
  gap: 1.1rem;
  margin-left: auto;
  margin-right: 0.5rem;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

.nav a:hover {
  color: var(--ink);
}

.site-header .btn-sm {
  margin-left: auto;
}

@media (min-width: 900px) {
  .nav {
    display: flex;
  }
  .site-header .btn-sm {
    margin-left: 0;
  }
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1.5px solid var(--btn-bg);
  border-radius: 4px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s, border-color 0.2s;
}

.btn:hover {
  background: var(--btn-hover);
  border-color: var(--btn-hover);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
}

.btn-ghost:hover {
  background: rgba(var(--ink-rgb), 0.06);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.text-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-weight: 600;
  color: var(--accent-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.text-link:hover {
  border-bottom-color: var(--accent);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: calc(100svh - 3.5rem);
  align-items: end;
  overflow: hidden;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      105deg,
      var(--hero-veil) 0%,
      var(--hero-veil-mid) 38%,
      rgba(var(--ink-rgb), 0.18) 100%
    ),
    linear-gradient(
      180deg,
      var(--hero-band-1) 0%,
      var(--hero-band-2) 42%,
      var(--hero-band-3) 100%
    );
  background-size: cover;
}

/* industrial floor / mesh suggestion */
.hero-atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(var(--ink-rgb), 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--ink-rgb), 0.35) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 45%, #000 100%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding: clamp(2rem, 8vh, 5rem) var(--pad) clamp(2.5rem, 8vh, 4.5rem);
  max-width: 36rem;
  animation: rise 0.9s ease-out both;
}

.brand-lockup {
  width: fit-content;
  max-width: 100%;
  margin-bottom: 1.15rem;
}

.brand-mark {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  color: var(--ink);
}

/* Tittle na „i” — kwadrat w kolorze sygnetu (echo A2) */
.brand-i {
  position: relative;
  display: inline-block;
}

.brand-i::after {
  content: "";
  position: absolute;
  left: 60%;
  top: 0.06em;
  width: 0.145em;
  height: 0.145em;
  background: var(--accent);
  transform: translateX(-50%);
}

/* A2 — kwadraciki → sinusoida (z brand-mark.html) */
.brand-mark-a2 {
  display: block;
  width: 100%;
  height: clamp(1.55rem, 3.6vw, 2.2rem);
  color: var(--accent);
  animation: flow-drift 7s ease-in-out infinite;
}

.brand-mark-a2 svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ——— A2 mark as section motif (mask → brand-mark-a2.svg) ——— */
.brand-mark-a2--motif {
  display: block;
  width: 11rem;
  height: 1.65rem;
  color: var(--accent);
  background-color: currentColor;
  -webkit-mask: url("brand-mark-a2.svg") left center / contain no-repeat;
  mask: url("brand-mark-a2.svg") left center / contain no-repeat;
}

.brand-mark-a2--section {
  width: 9rem;
  height: 1.4rem;
  margin: 1rem 0 0;
  color: rgba(var(--accent-rgb), 0.75);
}

.brand-mark-a2--quote {
  width: 8.5rem;
  height: 1.3rem;
  margin: 1.15rem 0 0;
  color: var(--accent);
}

.brand-mark-a2--footer {
  width: 6.5rem;
  height: 1rem;
  margin-top: 0.35rem;
  color: rgba(var(--ink-rgb), 0.35);
}

.brand-mark-a2--bridge {
  width: min(18rem, 70vw);
  height: 2.1rem;
  color: var(--accent);
}

.flow-bridge {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem var(--pad) 0.5rem;
  background: linear-gradient(
    180deg,
    rgba(var(--paper-rgb), 0.65) 0%,
    transparent 100%
  );
}

.flow-bridge-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

@keyframes flow-drift {
  0%,
  100% {
    opacity: 0.85;
    transform: translateX(0);
  }
  50% {
    opacity: 1;
    transform: translateX(6px);
  }
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
}

.lede {
  margin: 0;
  max-width: 32rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.hero-visual {
  position: absolute;
  right: max(2%, calc((100% - var(--max)) / 2 - 1rem));
  bottom: 8%;
  top: 12%;
  width: min(42vw, 26rem);
  z-index: 2;
  display: none;
  align-items: center;
  animation: rise 1s 0.15s ease-out both;
}

@media (min-width: 860px) {
  .hero-visual {
    display: flex;
  }
}

.device {
  width: 100%;
  background: var(--paper);
  border: 1px solid rgba(var(--ink-rgb), 0.2);
  border-radius: 12px;
  padding: 0.85rem 1rem 1rem;
  box-shadow: 0 18px 40px rgba(var(--ink-rgb), 0.18);
  transform: rotate(-1.5deg);
}

.device-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--muted);
}

.device-bar span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--chrome);
}

.device-bar em {
  margin-left: auto;
  font-style: normal;
  font-weight: 600;
  color: var(--ink-soft);
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.checklist li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  font-size: 0.9rem;
  background: rgba(var(--bg-deep-rgb), 0.45);
  border-radius: 4px;
  color: var(--ink-soft);
}

.checklist li i {
  width: 1rem;
  height: 1rem;
  border: 1.5px solid var(--muted);
  border-radius: 2px;
  flex-shrink: 0;
}

.checklist li.done {
  color: var(--ok);
  background: rgba(var(--ok-rgb), 0.08);
}

.checklist li.done i {
  background: var(--ok);
  border-color: var(--ok);
}

.checklist li.active {
  outline: 1.5px solid var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  animation: pulse-row 2.4s ease-in-out infinite;
}

.device-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.device-meta span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 0.2rem 0.45rem;
  border-radius: 2px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes pulse-row {
  0%,
  100% {
    outline-color: rgba(var(--accent-rgb), 0.55);
  }
  50% {
    outline-color: rgba(var(--accent-rgb), 1);
  }
}

/* ——— Sections ——— */
.section,
.app-block {
  position: relative;
  z-index: 1;
  padding: clamp(3.5rem, 9vh, 6rem) 0;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.section.in,
.app-block.in {
  opacity: 1;
  transform: none;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.section h2,
.app-block h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.45rem);
  max-width: 22ch;
}

.app-block h3 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}

.section-lede {
  max-width: 42rem;
  color: var(--ink-soft);
  margin: 0 0 1.75rem;
}

/* Problem */
.problem {
  border-top: 1px solid var(--line);
  background: rgba(var(--paper-rgb), 0.65);
}

.chaos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.chaos span {
  padding: 0.45rem 0.7rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: rgba(var(--ink-rgb), 0.05);
  border: 1px dashed rgba(var(--ink-rgb), 0.2);
  border-radius: 2px;
}

.chaos-end {
  background: rgba(var(--accent-rgb), 0.1) !important;
  border-style: solid !important;
  border-color: rgba(var(--accent-rgb), 0.35) !important;
  color: var(--accent-ink) !important;
  font-weight: 700 !important;
}

.symptom-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem 2rem;
  max-width: none;
}

@media (min-width: 700px) {
  .symptom-list {
    grid-template-columns: 1fr 1fr;
  }
}

.symptom-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.symptom-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  background: var(--accent);
}

/* Idea */
.five-q {
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
  counter-reset: q;
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 720px) {
  .five-q {
    grid-template-columns: 1fr 1fr;
  }
}

.five-q li {
  counter-increment: q;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.85rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.five-q li::before {
  content: counter(q, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  grid-row: span 2;
  align-self: start;
  padding-top: 0.1rem;
}

.five-q strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.quote {
  margin: 0;
  max-width: 36rem;
  padding: 1.25rem 0 1.25rem 1.15rem;
  border-left: 3px solid var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--ink);
}

/* Applications */
.applications {
  padding-bottom: 0;
}

.applications > .wrap {
  margin-bottom: 1rem;
}

.app-block {
  padding: clamp(2.5rem, 6vh, 4rem) 0;
  border-top: 1px solid var(--line);
}

.app-block.alt {
  background: rgba(var(--bg-deep-rgb), 0.35);
}

.app-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 800px) {
  .app-grid {
    grid-template-columns: 1.2fr 0.9fr;
  }
  .app-grid.reverse {
    grid-template-columns: 0.9fr 1.2fr;
  }
  .app-grid.reverse > :first-child {
    order: 2;
  }
}

.tags {
  font-size: 0.88rem;
  color: var(--muted);
  letter-spacing: 0.01em;
}

.effect {
  font-weight: 600;
  color: var(--ink);
}

.app-visual {
  min-height: 10rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fake-ui {
  width: min(100%, 22rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.fake-ui-head {
  padding: 0.7rem 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
}

.fake-row {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.fake-row b {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  min-width: 2rem;
}

.fake-row.ok b {
  color: var(--ok);
}
.fake-row.warn b {
  color: var(--warn);
}
.fake-row.pend b {
  color: var(--pend);
}

.status-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.st {
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 3px;
}

.st.open {
  background: rgba(var(--warn-rgb), 0.15);
  color: var(--warn);
}
.st.mid {
  background: rgba(var(--pend-rgb), 0.15);
  color: var(--pend);
}
.st.done {
  background: rgba(var(--ok-rgb), 0.15);
  color: var(--ok);
}

.object-card {
  width: min(100%, 18rem);
  padding: 1.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  gap: 0.35rem;
}

.object-card strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.object-card small,
.object-card em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.88rem;
}

.timeline {
  display: flex;
  gap: 0.45rem;
  margin: 0.75rem 0 0.35rem;
}

.timeline i {
  flex: 1;
  height: 4px;
  background: var(--bg-deep);
  border-radius: 2px;
}

.timeline i.now {
  background: var(--accent);
}

.matrix {
  display: grid;
  grid-template-columns: repeat(3, 2.5rem);
  gap: 0.4rem;
}

.matrix span {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 3px;
}

.matrix .y {
  background: rgba(var(--ok-rgb), 0.15);
  color: var(--ok);
}
.matrix .n {
  background: rgba(var(--ink-rgb), 0.06);
  color: var(--muted);
}

/* Steps */
.steps {
  margin: 0 0 0.5rem;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 0;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.25rem 1rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.steps li::before {
  content: counter(step);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--accent);
  line-height: 1.2;
}

.steps strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 0.15rem;
}

/* Cases — open list, not cards */
.case-list {
  display: grid;
  gap: 0;
  margin-top: 1.5rem;
}

.case-list article {
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
}

.case-list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.case-list p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 48rem;
}

/* Why */
.why-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
  max-width: 42rem;
}

.why-list li {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}

.why-list strong {
  color: var(--ink);
  font-family: var(--font-display);
}

/* Partners */
.partner-models {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
  font-weight: 500;
}

.partner-models li::before {
  content: "· ";
  color: var(--accent);
  font-weight: 700;
}

.partner-models li:first-child::before {
  content: "";
}

/* Contact */
.contact {
  background: rgba(var(--ink-rgb), 0.03);
  border-top: 1px solid var(--line);
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  margin-top: 0.5rem;
}

@media (min-width: 560px) {
  .contact-form {
    grid-template-columns: 1fr 1fr;
  }
  .contact-form .full {
    grid-column: 1 / -1;
  }
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(var(--ink-rgb), 0.2);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(var(--accent-rgb), 0.45);
  outline-offset: 1px;
}

.sketch-note {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  background: rgba(var(--paper-rgb), 0.8);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.15rem;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-footer a:hover {
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .hero-copy,
  .hero-visual,
  .section,
  .app-block,
  .checklist li.active,
  .brand-mark-a2 {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}