/* ============================================================
   Wilson Tech Forge — storm system
   Ground oklch(0.16 0.012 250) · accent iron blue · iforge.dev
   ============================================================ */

:root {
  --bg: oklch(0.16 0.012 250);
  --bg-raise: oklch(0.2 0.014 252);
  --panel: oklch(0.235 0.016 252);
  --panel-2: oklch(0.275 0.018 252);
  --ink: oklch(0.94 0.008 250);
  --ink-2: oklch(0.73 0.014 252);
  --ink-3: oklch(0.54 0.016 254);
  --accent: oklch(0.75 0.12 255);
  --accent-dim: oklch(0.75 0.12 255 / 0.55);
  --accent-soft: oklch(0.75 0.12 255 / 0.1);
  --ember: oklch(0.68 0.19 42);
  --ember-soft: oklch(0.68 0.19 42 / 0.12);
  --hairline: oklch(1 0 0 / 0.08);
  --hairline-2: oklch(1 0 0 / 0.16);
  --display: "Space Grotesk", "Inter", sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --maxw: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --space: clamp(5rem, 11vw, 10rem);
  --r: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: var(--accent);
  color: oklch(0.16 0.012 250);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: fixed;
  z-index: 400;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--bg);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------------- Loader ---------------- */
.loader {
  position: fixed;
  z-index: 300;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 600ms ease, visibility 600ms;
  animation: loaderSafety 0s linear 7s forwards;
}

/* Safety net: if scripts never run, the loader still gets out of the way. */
@keyframes loaderSafety {
  to {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }
}

.loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.loader__ui {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  pointer-events: none;
}

.loader__top,
.loader__bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.loader__count {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  font-family: var(--display);
  font-size: clamp(4rem, 14vw, 11rem);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 0.82;
  color: var(--ink);
}

.loader__count small {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.loader__status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 0.6rem;
}

.loader__status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.4s ease-in-out infinite;
}

.loader__line {
  position: absolute;
  left: clamp(1.25rem, 3vw, 2.5rem);
  right: clamp(1.25rem, 3vw, 2.5rem);
  bottom: clamp(4.5rem, 8vw, 6rem);
  height: 1px;
  background: var(--hairline);
}

.loader__line i {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-dim);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

/* ---------------- Atmosphere ---------------- */
.sky {
  position: fixed;
  z-index: -4;
  inset: 0;
  background:
    radial-gradient(120% 90% at 72% 18%, oklch(0.75 0.12 255 / 0.12), transparent 55%),
    url("assets/storm-hero.jpg") 62% 28% / cover no-repeat;
  filter: saturate(0.85) contrast(1.05);
}

.storm-canvas {
  position: fixed;
  z-index: -3;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.grain {
  position: fixed;
  z-index: -2;
  inset: -50%;
  pointer-events: none;
  opacity: 0.05;
  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='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 7s steps(6) infinite;
}

@keyframes grain {
  0%,
  100% {
    transform: translate(0, 0);
  }
  20% {
    transform: translate(-3%, 2%);
  }
  40% {
    transform: translate(2%, -3%);
  }
  60% {
    transform: translate(-2%, -2%);
  }
  80% {
    transform: translate(3%, 1%);
  }
}

.vignette {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 40%, transparent 40%, oklch(0.12 0.012 250 / 0.75) 100%),
    linear-gradient(180deg, oklch(0.16 0.012 250 / 0.55), transparent 22%, oklch(0.16 0.012 250 / 0.9));
}

/* ---------------- Header ---------------- */
.scroll-progress {
  position: fixed;
  z-index: 160;
  inset: 0 0 auto;
  height: 2px;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
}

.site-header {
  position: fixed;
  z-index: 150;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 4.75rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background 300ms ease, border-color 300ms ease, min-height 300ms ease;
}

.site-header.is-scrolled {
  min-height: 4.25rem;
  background: oklch(0.16 0.012 250 / 0.82);
  border-color: var(--hairline);
}

.brand {
  position: relative;
  z-index: 2;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  width: 1.7rem;
  height: 1.7rem;
  overflow: visible;
}

.brand-mark path:first-child {
  fill: currentColor;
}

.brand-mark__heat {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.4vw, 2.4rem);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.desktop-nav a {
  position: relative;
  padding-block: 0.45rem;
  color: var(--ink-2);
  transition: color 180ms ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 280ms var(--ease);
}

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

.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem 0.55rem 1rem;
  border: 1px solid var(--hairline-2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: background 200ms ease, border-color 200ms ease;
}

.header-cta__ico {
  display: grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--accent);
  color: oklch(0.16 0.012 250);
}

.header-cta__ico svg {
  width: 0.9rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.header-cta:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.menu-toggle {
  display: none;
  justify-self: end;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-transform: uppercase;
}

.menu-toggle__label {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.09em;
}

.menu-toggle__icon {
  width: 1.3rem;
  height: 0.75rem;
  display: grid;
  align-content: center;
  gap: 0.3rem;
}

.menu-toggle__icon i {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform 240ms ease;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:first-child {
  transform: translateY(0.19rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:last-child {
  transform: translateY(-0.19rem) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  z-index: 140;
  inset: 0;
  display: none;
  padding: 7rem var(--gutter) 2rem;
  background: oklch(0.16 0.012 250 / 0.97);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-1rem);
  transition: opacity 260ms ease, transform 320ms var(--ease), visibility 320ms;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu nav {
  display: grid;
}

.mobile-menu nav a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--display);
  font-size: clamp(2.2rem, 10vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}

.mobile-menu nav a span {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--accent);
}

.mobile-menu > p {
  position: absolute;
  bottom: 2rem;
  left: var(--gutter);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 0.9rem 0.85rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-transform: uppercase;
  cursor: pointer;
  will-change: transform;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.btn__ico {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: oklch(0.16 0.012 250 / 0.14);
  transition: transform 240ms var(--ease);
}

.btn__ico svg {
  width: 0.95rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.btn:hover .btn__ico {
  transform: translateX(3px);
}

.btn--accent {
  background: var(--accent);
  color: oklch(0.16 0.012 250);
}

.btn--accent:hover {
  background: oklch(0.8 0.11 255);
}

.btn--ghost {
  border-color: var(--hairline-2);
  color: var(--ink);
}

.btn--ghost .btn__ico {
  background: var(--accent-soft);
  color: var(--accent);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ---------------- Type ---------------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.4rem;
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--ink-3);
}

.eyebrow::before {
  content: "";
  width: 1.4rem;
  height: 1px;
  background: var(--accent);
}

.eyebrow span {
  color: var(--accent);
}

.h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  text-wrap: balance;
}

.muted {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.7;
}

.index {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.sec-head {
  max-width: 46rem;
  margin-bottom: clamp(2.75rem, 6vw, 4.5rem);
}

.sec-head .h2 {
  margin-bottom: 1.25rem;
}

.sec-head--wide {
  max-width: 56rem;
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 7rem;
  padding-bottom: 5rem;
}

.hero__dots {
  position: absolute;
  z-index: -1;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}

.hero__scrim {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, oklch(0.16 0.012 250 / 0.94) 0%, oklch(0.16 0.012 250 / 0.72) 42%, oklch(0.16 0.012 250 / 0.18) 78%),
    linear-gradient(0deg, oklch(0.16 0.012 250 / 0.9), transparent 45%);
}

.hero__inner {
  position: relative;
  z-index: 2;
}

.hero__copy {
  max-width: 52rem;
}

.hero__title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3rem, 7.4vw, 6.2rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.94;
  text-wrap: balance;
}

.accent {
  color: var(--accent);
}

.hero__lead {
  max-width: 40ch;
  margin: 1.6rem 0 0;
  color: var(--ink-2);
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-top: 2.1rem;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.6rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--panel);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.tag i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-3);
}

.tag:last-child i {
  background: var(--accent);
}

.hero__hint {
  position: absolute;
  bottom: 2rem;
  right: var(--gutter);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.hero__hint b {
  display: block;
  width: 2.6rem;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

/* ---------------- Workflow story ---------------- */
.workflow {
  position: relative;
  z-index: 1;
  padding-block: var(--space);
  background: linear-gradient(180deg, oklch(0.16 0.012 250 / 0) 0%, var(--bg) 16%);
}

.workflow__head {
  max-width: 54rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.workflow__head .h2 {
  margin-bottom: 1.25rem;
}

/* ---------------- Workflow boxes ---------------- */
.wbox {
  border: 1px solid var(--hairline-2);
  border-radius: var(--r);
  background: var(--bg-raise);
  padding: clamp(1.25rem, 2.6vw, 2rem);
}

.wbox__head {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--hairline);
}

.wbox__kind {
  display: block;
  margin-bottom: 0.9rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
}

.wbox__kind i {
  font-style: normal;
  color: var(--ink-3);
}

.wbox__head h3 {
  margin: 0 0 0.6rem;
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}

.wbox__head p {
  margin: 0;
  max-width: 54ch;
  color: var(--ink-2);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* Flow diagram */
.flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2.4rem minmax(0, 1.2fr) 2.4rem minmax(0, 1fr);
  align-items: center;
  gap: 0.4rem;
  padding-block: 1.75rem;
}

.flow__label {
  display: block;
  margin-bottom: 0.8rem;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.flow__list {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow__list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--ink-2);
}

.flow__list li i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-3);
}

.flow__list--systems li i {
  background: var(--accent);
}

.hub {
  display: grid;
  gap: 0.45rem;
  padding: 0.9rem;
  border: 1px solid var(--accent-dim);
  border-radius: 10px;
  background: var(--accent-soft);
}

.hub p {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink);
}

.hub p i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.hub p.is-human i {
  background: none;
  box-shadow: inset 0 0 0 1.5px var(--accent);
}

.hub p em {
  margin-left: auto;
  font-style: normal;
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.flow__link {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, var(--hairline-2), var(--accent-dim));
}

.flow__link i {
  position: absolute;
  right: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-top: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  transform: translateY(-50%) rotate(45deg);
}

.log {
  display: grid;
  gap: 0.4rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: oklch(0.14 0.012 250);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-2);
}

.log p {
  display: flex;
  gap: 0.9rem;
  margin: 0;
}

.log span {
  color: var(--accent);
}

/* ---------------- Shift ---------------- */
.shift {
  position: relative;
  z-index: 1;
  padding-block: var(--space);
  background: var(--bg);
}

.statement {
  max-width: 24ch;
  margin: 0 0 clamp(3rem, 7vw, 5.5rem);
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.06;
  text-wrap: balance;
}

.statement em {
  font-style: normal;
  color: var(--accent);
}

.shift__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--r);
  overflow: hidden;
}

.shift__grid article {
  padding: 1.75rem 1.5rem 2rem;
  background: var(--bg);
  transition: background 260ms ease;
}

.shift__grid article:hover {
  background: var(--panel);
}

.shift__grid h3 {
  margin: 1rem 0 0.5rem;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.shift__grid p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* ---------------- Problem (tabs) ---------------- */
.problem {
  position: relative;
  z-index: 1;
  padding-block: var(--space);
  background: var(--bg);
}

.problem__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.problem__tabs {
  display: grid;
  gap: 0.6rem;
}

.ptab {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "n t go"
    "n d go";
  align-items: center;
  column-gap: 1rem;
  padding: 1.15rem 1.25rem 1.35rem;
  border: 1px solid var(--hairline);
  border-radius: var(--r);
  background: var(--bg-raise);
  text-align: left;
  overflow: hidden;
  transition: border-color 240ms ease, background 240ms ease, transform 240ms var(--ease);
}

.ptab:hover {
  border-color: var(--hairline-2);
  transform: translateX(4px);
}

.ptab.is-active {
  border-color: var(--accent);
  background: var(--panel);
}

.ptab__n {
  grid-area: n;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}

.ptab.is-active .ptab__n {
  color: var(--accent);
}

.ptab__t {
  grid-area: t;
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.ptab__d {
  grid-area: d;
  margin-top: 0.25rem;
  color: var(--ink-2);
  font-size: 0.85rem;
}

.ptab__go {
  grid-area: go;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--hairline-2);
  color: var(--ink-3);
  transition: background 240ms ease, color 240ms ease, border-color 240ms ease;
}

.ptab__go svg {
  width: 0.85rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.ptab.is-active .ptab__go {
  background: var(--accent);
  border-color: var(--accent);
  color: oklch(0.16 0.012 250);
}

.ptab__bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 420ms var(--ease);
}

.ptab.is-active .ptab__bar {
  transform: scaleX(1);
}

.problem__stage {
  position: relative;
  min-height: 27rem;
  border: 1px solid var(--hairline);
  border-radius: var(--r);
  background: linear-gradient(180deg, var(--panel), var(--bg-raise));
  overflow: hidden;
}

.scene {
  position: absolute;
  inset: 0;
  padding: clamp(1.25rem, 2.4vw, 2rem);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 380ms ease, transform 420ms var(--ease), visibility 380ms;
}

.scene.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scene__cap {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--hairline);
}

.scene__cap h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.scene__cap p {
  margin: 0;
  max-width: 28rem;
  color: var(--ink-2);
  font-size: 0.86rem;
}

.tagline {
  flex: none;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--hairline-2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.scene__body {
  display: grid;
  place-items: center;
  min-height: 17rem;
  padding-top: 1.5rem;
}

.mock {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.mock__agent {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  border: 1px solid var(--hairline-2);
  border-radius: 10px;
  background: var(--panel-2);
}

.mock__agent.is-empty {
  opacity: 0.65;
  border-style: dashed;
}

.mock__name {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--ink);
}

.mock__name i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.mock__agent.is-empty .mock__name i {
  background: var(--ink-3);
}

.mock__line {
  font-size: 0.8rem;
  color: var(--ink-2);
}

.mock__tag {
  justify-self: start;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: oklch(1 0 0 / 0.04);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.mock__gap {
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  width: 6.5rem;
}

.mock__dash {
  width: 100%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--ink-3) 0 4px, transparent 4px 9px);
}

.mock__gap em {
  font-family: var(--mono);
  font-size: 0.54rem;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: center;
}

.mock--rules {
  display: grid;
  gap: 0.55rem;
  max-width: 30rem;
  padding: 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--panel);
}

.mock__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  background: oklch(1 0 0 / 0.03);
  font-size: 0.82rem;
}

.mock__row em,
.policy__row em {
  font-family: var(--mono);
  font-size: 0.58rem;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

.ok {
  color: oklch(0.8 0.13 155);
  background: oklch(0.8 0.13 155 / 0.12);
}

.warn {
  color: oklch(0.82 0.11 85);
  background: oklch(0.82 0.11 85 / 0.12);
}

.bad {
  color: oklch(0.72 0.14 25);
  background: oklch(0.72 0.14 25 / 0.12);
}

.gate {
  color: var(--accent);
  background: var(--accent-soft);
}

.mock__foot {
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.mock--blank {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 13rem;
  border: 1px dashed var(--hairline-2);
  border-radius: 10px;
  background: repeating-linear-gradient(
      90deg,
      oklch(1 0 0 / 0.03) 0 1px,
      transparent 1px 44px
    ),
    repeating-linear-gradient(oklch(1 0 0 / 0.03) 0 1px, transparent 1px 44px);
}

.mock__cross {
  position: absolute;
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  border: 1px dashed var(--hairline-2);
}

.mock__cross::before,
.mock__cross::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--hairline-2);
}

.mock__cross::before {
  width: 1px;
  height: 100%;
}

.mock__cross::after {
  width: 100%;
  height: 1px;
}

/* ---------------- Platform (accordion) ---------------- */
.platform {
  position: relative;
  z-index: 1;
  padding-block: var(--space);
  background: var(--bg-raise);
  border-top: 1px solid var(--hairline);
}

.runtimes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.runtime {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  color: var(--ink-2);
}

.runtime i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
}

.runtime.is-featured {
  border-color: var(--accent-dim);
  background: var(--accent-soft);
  color: var(--ink);
}

.runtime.is-featured i {
  background: var(--accent);
  box-shadow: 0 0 0 4px oklch(0.75 0.12 255 / 0.16);
}

.runtime small {
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.acc {
  border-top: 1px solid var(--hairline);
}

.acc__item {
  border-bottom: 1px solid var(--hairline);
}

.acc__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 0;
  text-align: left;
}

.acc__n {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  transition: color 240ms ease;
}

.acc__t {
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.acc__ico {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--hairline-2);
  border-radius: 50%;
  color: var(--ink-2);
  transition: transform 320ms var(--ease), background 240ms ease, color 240ms ease, border-color 240ms ease;
}

.acc__ico svg {
  width: 0.95rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.acc__item.is-open .acc__n {
  color: var(--accent);
}

.acc__item.is-open .acc__ico {
  transform: rotate(135deg);
  background: var(--accent);
  border-color: var(--accent);
  color: oklch(0.16 0.012 250);
}

.acc__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 480ms var(--ease);
}

.acc__item.is-open .acc__body {
  grid-template-rows: 1fr;
}

.acc__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-bottom: 2.25rem;
  overflow: hidden;
}

.acc__copy p {
  margin: 0 0 1.25rem;
  max-width: 52ch;
  color: var(--ink-2);
  line-height: 1.7;
}

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

.ticks li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.86rem;
  color: var(--ink);
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.acc__visual {
  align-self: start;
  min-width: 0;
}

.term {
  border: 1px solid var(--hairline-2);
  border-radius: 10px;
  background: oklch(0.13 0.012 250);
  overflow: hidden;
  font-family: var(--mono);
}

.term__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--hairline);
  background: oklch(1 0 0 / 0.03);
}

.term__bar i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--hairline-2);
}

.term__bar i:first-child {
  background: oklch(0.72 0.14 25);
}

.term__bar i:nth-child(2) {
  background: oklch(0.82 0.11 85);
}

.term__bar span {
  margin-left: auto;
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.term__body {
  padding: 0.9rem 0.9rem 1.1rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.74rem;
}

.term__body p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  color: var(--ink-2);
}

.term__body em {
  font-style: normal;
  color: var(--accent);
}

.term__body .ok {
  color: oklch(0.8 0.13 155);
  background: none;
  padding: 0;
}

.term__body .accent {
  color: var(--accent);
}

.term__body p span {
  margin-left: auto;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.memory {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding: 1.5rem 1rem 1.5rem;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--panel);
}

.memory__node {
  padding: 0.55rem;
  border: 1px solid var(--hairline-2);
  border-radius: 8px;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--ink-2);
}

.memory__hub {
  position: absolute;
  left: 50%;
  bottom: 0.6rem;
  transform: translateX(-50%);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: var(--accent);
  color: oklch(0.16 0.012 250);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.3;
}

.policy {
  display: grid;
  gap: 0.5rem;
  padding: 1rem;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--panel);
}

.policy__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  background: oklch(1 0 0 / 0.03);
  font-size: 0.82rem;
}

.flow--steps {
  display: grid;
  gap: 0.55rem;
  padding: 1.25rem 1rem;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--panel);
}

.flow--steps__item {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--hairline-2);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.flow--steps__item.is-end {
  border-color: var(--accent-dim);
  background: var(--accent-soft);
  color: var(--accent);
}

.flow--steps i {
  width: 1px;
  height: 0.85rem;
  margin-left: 1.1rem;
  background: var(--hairline-2);
}

/* ---------------- Vision + 3rd Pull ---------------- */
.vision {
  position: relative;
  z-index: 1;
  padding-block: var(--space);
  overflow: hidden;
  background: var(--bg);
}

.vision__media {
  position: absolute;
  z-index: -2;
  inset: 0;
}

.vision__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 40%;
  filter: grayscale(0.45) contrast(1.05) brightness(0.72) saturate(0.7);
}

.vision__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: oklch(0.6 0.14 255 / 0.3);
  mix-blend-mode: color;
}

.vision__overlay {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, oklch(0.16 0.012 250 / 0.96) 0%, oklch(0.16 0.012 250 / 0.78) 44%, oklch(0.16 0.012 250 / 0.14) 80%),
    linear-gradient(0deg, oklch(0.16 0.012 250 / 0.8), transparent 50%);
}

.vision__inner {
  position: relative;
  z-index: 2;
}

.vision__copy {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.vision__copy .h2 {
  margin-bottom: 1.25rem;
}

.wbox--app {
  --app-accent: var(--ember);
}

.wbox--app .wbox__kind {
  color: var(--ember);
}

.wbox__body--app {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-top: 1.75rem;
}

.app {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1rem;
  align-items: start;
}

.app__shot {
  margin: 0;
  border: 1px solid var(--hairline-2);
  border-radius: 12px;
  background: oklch(0.13 0.012 250);
  overflow: hidden;
}

.app__shot img {
  width: 100%;
  height: auto;
}

.app__shot:nth-child(2) {
  width: 84%;
  margin-inline: auto;
}

.spec {
  margin: 0 0 1.75rem;
  display: grid;
  gap: 0.9rem;
}

.spec > div {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--hairline);
}

.spec dt {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ember);
}

.spec dd {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-2);
  line-height: 1.55;
}

.persona {
  margin: 0 0 1.75rem;
  padding: 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: var(--r);
  background: var(--panel);
}

.persona__label {
  display: block;
  margin-bottom: 0.9rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ember);
}

.persona__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.persona__btn {
  display: grid;
  gap: 0.25rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  text-align: left;
  transition: border-color 220ms ease, background 220ms ease;
}

.persona__btn:hover {
  border-color: var(--hairline-2);
}

.persona__btn.is-active {
  border-color: var(--ember);
  background: var(--ember-soft);
}

.persona__btn b {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.persona__btn span {
  color: var(--ink-3);
  font-size: 0.72rem;
  line-height: 1.4;
}

.persona__voice {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 0.9rem;
  padding: 0.85rem 0.9rem;
  border-radius: 10px;
  background: oklch(1 0 0 / 0.03);
}

.persona__wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 1.1rem;
}

.persona__wave i {
  display: block;
  width: 2px;
  height: 30%;
  border-radius: 2px;
  background: var(--ember);
  animation: wave 1.1s ease-in-out infinite;
}

.persona__wave i:nth-child(2) {
  animation-delay: 0.12s;
}
.persona__wave i:nth-child(3) {
  animation-delay: 0.24s;
}
.persona__wave i:nth-child(4) {
  animation-delay: 0.36s;
}
.persona__wave i:nth-child(5) {
  animation-delay: 0.48s;
}

@keyframes wave {
  0%,
  100% {
    height: 25%;
  }
  50% {
    height: 100%;
  }
}

.persona__voice p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink);
}

/* ---------------- Robotics ---------------- */
.robotics {
  position: relative;
  z-index: 1;
  padding-block: var(--space);
  background: var(--bg);
}

.robotics__inner {
  position: relative;
}

.robotics__copy {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.robotics__copy .h2 {
  margin-bottom: 1.25rem;
}

.wbox__body--robot {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-top: 1.75rem;
}

.robot-shot {
  position: relative;
  margin: 0;
  min-height: 26rem;
  border: 1px solid var(--hairline-2);
  border-radius: 12px;
  overflow: hidden;
}

.robot-shot img {
  width: 100%;
  height: 100%;
  min-height: 26rem;
  object-fit: cover;
  filter: grayscale(0.45) contrast(1.05) brightness(0.72) saturate(0.7);
}

.robot-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: oklch(0.6 0.14 255 / 0.28);
  mix-blend-mode: color;
}

.robot-shot__status {
  position: absolute;
  z-index: 2;
  right: 0.9rem;
  bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--hairline-2);
  border-radius: 999px;
  background: oklch(0.14 0.012 250 / 0.9);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px oklch(0.75 0.12 255 / 0.18);
}

.robot-shot__ghost {
  position: absolute;
  z-index: 2;
  left: 1.1rem;
  bottom: 3.2rem;
  pointer-events: none;
  font-family: var(--display);
  font-size: clamp(2.8rem, 5.5vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.85;
  color: oklch(0.94 0.008 250 / 0.13);
  text-transform: uppercase;
}

.robot-shot__ghost span {
  display: inline-block;
  animation: ghostIn 520ms var(--ease);
}

@keyframes ghostIn {
  from {
    opacity: 0;
    transform: translateY(0.18em);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.robot-shot__progress {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--hairline);
}

.robot-shot__progress i {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
}

.robot-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.steps {
  display: grid;
  gap: 0.3rem;
  width: 100%;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.steps li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.5rem 0.7rem;
  border-radius: 7px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  transition: background 300ms ease, color 300ms ease;
}

.steps li span {
  font-size: 0.58rem;
  color: var(--ink-3);
}

.steps li.is-active {
  background: var(--accent-soft);
  color: var(--ink);
}

.steps li.is-active span {
  color: var(--accent);
}

.step__detail {
  width: 100%;
  min-height: 6.5rem;
  margin-bottom: 1.25rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--panel);
}

.step__detail h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.step__detail p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.86rem;
  line-height: 1.6;
}

.step__static + .step__static {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--hairline);
}

.step__static h3 {
  margin: 0 0 0.3rem;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.step__static p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.84rem;
  line-height: 1.6;
}

.robotics.is-static .robot-shot__ghost,
.robotics.is-static .robot-shot__progress {
  display: none;
}

/* ---------------- Benefits ---------------- */
.benefits {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  min-height: 100svh;
  padding-block: clamp(6rem, 12vw, 10rem) clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}

.benefits__media {
  position: absolute;
  z-index: -2;
  inset: 0;
}

.benefits__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 82% 38%;
  filter: grayscale(0.45) contrast(1.05) brightness(0.68) saturate(0.7);
}

.benefits__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: oklch(0.6 0.14 255 / 0.3);
  mix-blend-mode: color;
}

.benefits__overlay {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(0deg, oklch(0.16 0.012 250 / 0.97) 0%, oklch(0.16 0.012 250 / 0.82) 40%, oklch(0.16 0.012 250 / 0.55) 100%),
    linear-gradient(90deg, oklch(0.16 0.012 250 / 0.85), transparent 70%);
}

.benefits__inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--r);
  overflow: hidden;
}

.benefits__grid article {
  padding: 1.6rem 1.4rem 1.8rem;
  background: oklch(0.16 0.012 250 / 0.72);
  transition: background 260ms ease;
}

.benefits__grid article:hover {
  background: oklch(0.2 0.014 252 / 0.9);
}

.benefits__grid h3 {
  margin: 0.9rem 0 0.45rem;
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.benefits__grid p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.86rem;
  line-height: 1.6;
}

/* ---------------- Marquee ---------------- */
.marquee {
  position: relative;
  z-index: 1;
  padding: 1.1rem 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--bg-raise);
  overflow: hidden;
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  width: max-content;
  animation: marquee 32s linear infinite;
}

.marquee__track span {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-3);
  white-space: nowrap;
}

.marquee__track i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ---------------- Contact ---------------- */
.contact {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.contact__media {
  position: absolute;
  z-index: -2;
  inset: 0;
}

.contact__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.5) contrast(1.05) brightness(0.62) saturate(0.6);
}

.contact__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: oklch(0.6 0.14 255 / 0.26);
  mix-blend-mode: color;
}

.contact__overlay {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, oklch(0.16 0.012 250 / 0.96) 0%, oklch(0.16 0.012 250 / 0.72) 46%, oklch(0.16 0.012 250 / 0.3) 100%),
    linear-gradient(0deg, oklch(0.16 0.012 250 / 0.85), transparent 45%);
}

.contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(22rem, 30rem);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
  padding-block: clamp(6rem, 12vw, 10rem);
}

.contact__copy .h2 {
  margin-bottom: 1.25rem;
}

.contact-form {
  padding: clamp(1.25rem, 2.4vw, 1.9rem);
  border: 1px solid var(--hairline-2);
  border-radius: var(--r);
  background: oklch(0.18 0.014 252 / 0.94);
}

.contact-form__topline {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.contact-form label {
  display: block;
  margin-bottom: 1.1rem;
}

.contact-form label > span {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.7rem 0;
  border: 0;
  border-bottom: 1px solid var(--hairline-2);
  border-radius: 0;
  outline: 0;
  background: transparent;
  font-size: 0.9rem;
  resize: vertical;
  transition: border-color 200ms ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--ink-3);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
}

.contact-form__note,
.contact-form__status {
  margin: 0.85rem 0 0;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--ink-3);
}

.contact-form__status {
  color: var(--accent);
}

/* ---------------- Footer ---------------- */
.site-footer {
  position: relative;
  z-index: 1;
  padding-block: 2.25rem;
  background: oklch(0.13 0.012 250);
  border-top: 1px solid var(--hairline);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr auto;
  align-items: center;
  gap: 2rem;
}

.brand--footer {
  color: var(--ink);
}

.site-footer p {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.site-footer__links {
  display: flex;
  gap: 1.3rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer__links a {
  color: var(--ink-2);
  transition: color 200ms ease;
}

.site-footer__links a:hover {
  color: var(--accent);
}

.site-footer__legal {
  text-align: right;
}

/* ---------------- Motion ---------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-split] .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
  filter: blur(10px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease), filter 700ms var(--ease);
}

[data-split].is-visible .word {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal],
  [data-split] .word {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .problem__grid {
    grid-template-columns: 1fr;
  }

  .problem__stage {
    min-height: 25rem;
  }

  .acc__inner {
    grid-template-columns: 1fr;
  }

  .wbox__body--app,
  .wbox__body--robot {
    grid-template-columns: 1fr;
  }

  .app {
    max-width: 34rem;
  }

  .contact__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-menu {
    display: block;
  }

  .hero {
    min-height: 46rem;
    padding-top: 6.5rem;
  }

  .hero__title {
    font-size: clamp(2.6rem, 9.5vw, 4rem);
  }

  .hero__hint {
    display: none;
  }

  .hero__scrim {
    background:
      linear-gradient(90deg, oklch(0.16 0.012 250 / 0.93) 0%, oklch(0.16 0.012 250 / 0.58) 100%),
      linear-gradient(0deg, oklch(0.16 0.012 250 / 0.92) 0%, oklch(0.16 0.012 250 / 0.35) 55%, transparent 100%);
  }

  .flow {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .flow__link {
    width: 1px;
    height: 1.6rem;
    margin-left: 0.9rem;
    background: linear-gradient(180deg, var(--hairline-2), var(--accent-dim));
  }

  .flow__link i {
    right: auto;
    left: 50%;
    top: auto;
    bottom: 0;
    transform: translateX(-50%) rotate(135deg);
  }

  .shift__grid,
  .benefits__grid {
    grid-template-columns: 1fr;
  }

  .persona__list {
    grid-template-columns: 1fr;
  }

  .mock {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .mock__gap {
    width: 100%;
    justify-items: center;
  }

  .mock__dash {
    width: 1px;
    height: 2.2rem;
    background: repeating-linear-gradient(180deg, var(--ink-3) 0 4px, transparent 4px 9px);
  }

  .vision__overlay {
    background: linear-gradient(
      180deg,
      oklch(0.16 0.012 250 / 0.93) 0%,
      oklch(0.16 0.012 250 / 0.85) 42%,
      oklch(0.16 0.012 250 / 0.62) 78%,
      oklch(0.16 0.012 250 / 0.5) 100%
    );
  }

  .benefits__overlay {
    background: linear-gradient(
      180deg,
      oklch(0.16 0.012 250 / 0.9) 0%,
      oklch(0.16 0.012 250 / 0.78) 45%,
      oklch(0.16 0.012 250 / 0.92) 100%
    );
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__legal {
    text-align: left;
  }
}

@media (max-width: 620px) {
  .loader__count {
    font-size: clamp(3.5rem, 22vw, 7rem);
  }

  .loader__top,
  .loader__bottom {
    font-size: 0.56rem;
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: space-between;
  }

  .h2 {
    font-size: clamp(2rem, 9.5vw, 2.8rem);
  }

  .statement {
    font-size: clamp(1.8rem, 8.5vw, 2.6rem);
  }

  .app {
    grid-template-columns: 1fr;
  }

  .app__shot:nth-child(2) {
    width: 92%;
  }

  .spec > div {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .robot-shot,
  .robot-shot img {
    min-height: 20rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .site-footer__links {
    flex-wrap: wrap;
  }
}