/* ==========================================================================
   ASCANXlabs — Design System "Blueprint"
   --------------------------------------------------------------------------
   One stylesheet, one set of tokens. Sections switch tone with
   [data-tone="dark|light"], which remaps the semantic tokens below.
   No external dependencies. All fonts self-hosted.
   ========================================================================== */

/* ---------- Fonts ------------------------------------------------------- */
@font-face {
  font-family: "Space Grotesk";
  src: url("../assets/fonts/space-grotesk.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../assets/fonts/inter.woff2") format("woff2");
  font-weight: 300 800;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../assets/fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}

/* ---------- Tokens ------------------------------------------------------ */
:root {
  /* Palette */
  --ink-0: #07090d;
  --ink-1: #0b0e14;
  --ink-2: #11151d;
  --ink-3: #171c26;
  --paper-0: #f4f3ef;
  --paper-1: #ffffff;
  --paper-2: #eae9e3;
  --blue-400: #4d8dff;
  --blue-500: #2f6fff;
  --blue-600: #1f5eff;
  --green-400: #34d399;
  --amber-400: #f5b544;
  --red-400: #f0605e;

  /* Type */
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --fs-display: clamp(2.5rem, 1rem + 4.4vw, 4.6rem);
  --fs-h1: clamp(2rem, 1.15rem + 2.8vw, 3.4rem);
  --fs-h2: clamp(1.45rem, 1.1rem + 1.2vw, 2rem);
  --fs-h3: 1.2rem;
  --fs-lead: clamp(1.05rem, 0.98rem + 0.3vw, 1.2rem);
  --fs-body: 1rem;
  --fs-sm: 0.9rem;
  --fs-xs: 0.8rem;
  --fs-mono: 0.72rem;

  --lh-display: 1.02;
  --lh-tight: 1.15;
  --lh-body: 1.6;
  --track-display: -0.035em;
  --track-tight: -0.02em;
  --track-mono: 0.12em;

  /* Space (4px base) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --section-y: clamp(84px, 5vw + 48px, 144px);

  /* Layout */
  --wrap: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --header-h: 72px;

  /* Shape */
  --r-1: 3px;
  --r-2: 6px;
  --r-3: 10px;
  --r-4: 16px;
  --r-full: 999px;

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --d-1: 160ms;
  --d-2: 280ms;
  --d-3: 640ms;

  /* Semantic defaults = dark tone */
  --bg: var(--ink-1);
  --bg-raised: var(--ink-2);
  --bg-hover: var(--ink-3);
  --fg: #f2f4f7;
  --fg-2: #a3acba;
  --fg-3: #6b7484;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --grid-line: rgba(255, 255, 255, 0.045);
  --accent: var(--blue-400);
  --accent-fg: #ffffff;
  --accent-soft: rgba(77, 141, 255, 0.12);
  --accent-line: rgba(77, 141, 255, 0.4);
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-2: 0 12px 40px -12px rgba(0, 0, 0, 0.6);
  --focus: 0 0 0 3px rgba(77, 141, 255, 0.45);
  color-scheme: dark;
}

[data-tone="light"] {
  --bg: var(--paper-0);
  --bg-raised: var(--paper-1);
  --bg-hover: var(--paper-1);
  --fg: var(--ink-1);
  --fg-2: #4a5261;
  --fg-3: #7a8290;
  --line: rgba(11, 14, 20, 0.1);
  --line-strong: rgba(11, 14, 20, 0.2);
  --grid-line: rgba(11, 14, 20, 0.05);
  --accent: var(--blue-600);
  --accent-fg: #ffffff;
  --accent-soft: rgba(31, 94, 255, 0.08);
  --accent-line: rgba(31, 94, 255, 0.35);
  --shadow-1: 0 1px 2px rgba(11, 14, 20, 0.06);
  --shadow-2: 0 16px 40px -16px rgba(11, 14, 20, 0.18);
  --focus: 0 0 0 3px rgba(31, 94, 255, 0.35);
  color-scheme: light;
}

/* ---------- Reset ------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body.is-locked {
  overflow: hidden;
}

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

img {
  height: auto;
}

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

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

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

ul,
ol {
  list-style: none;
}

[hidden] {
  display: none !important;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--track-tight);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  background: var(--accent);
  color: var(--accent-fg);
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: var(--r-1);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--accent-fg);
  border-radius: var(--r-2);
  transform: translateY(-200%);
  transition: transform var(--d-2) var(--ease-out);
}

.skip-link:focus {
  transform: none;
}

/* ---------- Layout primitives ------------------------------------------ */
.wrap {
  width: min(100% - var(--gutter) * 2, var(--wrap));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--section-y);
  background: var(--bg);
  color: var(--fg);
}

.section--tight {
  padding-block: calc(var(--section-y) * 0.6);
}

.section--flush-top {
  padding-top: calc(var(--section-y) * 0.55);
}

.section + .section[data-tone] {
  border-top: 1px solid var(--line);
}

/* Blueprint grid backdrop — dark sections only, faded at the edges */
.has-grid {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
}

.has-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 50% 40%, transparent 30%, var(--bg) 100%);
}

.has-grid > * {
  position: relative;
}

/* Section header pattern: index rule + title + lead */
.head {
  display: grid;
  gap: var(--s-4);
  margin-bottom: clamp(40px, 5vw, 72px);
  max-width: 820px;
}

.head--center {
  text-align: center;
  margin-inline: auto;
  justify-items: center;
}

.head--split {
  max-width: none;
}

.head--split .lead {
  margin-top: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--fg-3);
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--accent);
  flex: none;
}

.eyebrow--bare::before {
  display: none;
}

.eyebrow b {
  color: var(--accent);
  font-weight: 600;
}

.title {
  font-size: var(--fs-h1);
  letter-spacing: var(--track-display);
  color: var(--fg);
}

.title .dot,
.band__title .dot {
  color: var(--accent);
}

.lead {
  font-size: var(--fs-lead);
  color: var(--fg-2);
  max-width: 62ch;
}

.head--center .lead {
  text-align: center;
}

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
}

/* Registration marks — corner crosshairs for framed surfaces */
.regmark {
  position: relative;
}

.regmark::before,
.regmark::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
  background:
    linear-gradient(var(--line-strong), var(--line-strong)) center/100% 1px no-repeat,
    linear-gradient(var(--line-strong), var(--line-strong)) center/1px 100% no-repeat;
}

.regmark::before {
  top: -7px;
  left: -7px;
}

.regmark::after {
  right: -7px;
  bottom: -7px;
}

/* ---------- Buttons ----------------------------------------------------- */
.btn {
  --btn-bg: var(--bg-raised);
  --btn-fg: var(--fg);
  --btn-line: var(--line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-line);
  border-radius: var(--r-2);
  white-space: nowrap;
  transition:
    transform var(--d-1) var(--ease-out),
    background-color var(--d-2) var(--ease-out),
    border-color var(--d-2) var(--ease-out),
    color var(--d-2) var(--ease-out),
    box-shadow var(--d-2) var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--fg-3);
}

.btn:active {
  transform: translateY(0);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex: none;
  transition: transform var(--d-2) var(--ease-out);
}

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

.btn--primary {
  --btn-bg: var(--accent);
  --btn-fg: var(--accent-fg);
  --btn-line: transparent;
}

.btn--primary:hover {
  --btn-bg: var(--blue-500);
  border-color: transparent;
  box-shadow: 0 10px 30px -10px rgba(47, 111, 255, 0.7);
}

[data-tone="light"] .btn--primary:hover {
  --btn-bg: var(--blue-500);
}

.btn--ghost {
  --btn-bg: transparent;
}

.btn--lg {
  min-height: 54px;
  padding: 0 26px;
  font-size: 0.95rem;
}

.btn--sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: var(--fs-xs);
}

.btn--block {
  width: 100%;
}

/* Text link with drawn underline */
.tlink {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--fg);
  padding-bottom: 2px;
}

.tlink::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transform: scaleX(0.35);
  opacity: 0.5;
  transition:
    transform var(--d-2) var(--ease-out),
    opacity var(--d-2) var(--ease-out);
}

.tlink:hover::after {
  transform: scaleX(1);
  opacity: 1;
}

.tlink svg {
  width: 14px;
  height: 14px;
  transition: transform var(--d-2) var(--ease-out);
}

.tlink:hover svg {
  transform: translateX(3px);
}

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

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  color: var(--fg-2);
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-1);
  white-space: nowrap;
}

.chip--plain {
  background: transparent;
}

/* Status dot */
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
}

.status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-400);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
  flex: none;
}

.status--beta::before {
  background: var(--amber-400);
  box-shadow: 0 0 0 3px rgba(245, 181, 68, 0.18);
}

.status--prod::before {
  background: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(77, 141, 255, 0.2);
}

/* ---------- Header ------------------------------------------------------ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  color: #f2f4f7;
  transition:
    background-color var(--d-2) var(--ease-out),
    border-color var(--d-2) var(--ease-out),
    backdrop-filter var(--d-2) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: rgba(11, 14, 20, 0.78);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: inherit;
}

.brand__mark {
  width: 32px;
  height: 32px;
  flex: none;
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.brand__word {
  display: inline-flex;
  align-items: baseline;
}

.brand__word em {
  font-style: normal;
  font-weight: 500;
  color: var(--blue-400);
}

.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 12px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: rgba(242, 244, 247, 0.72);
  border-radius: var(--r-2);
  transition: color var(--d-2) var(--ease-out);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 1px;
  background: var(--blue-400);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--d-2) var(--ease-out);
}

.nav__link:hover,
.nav__link.is-active {
  color: #f2f4f7;
}

.nav__link.is-active::after {
  transform: scaleX(1);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.header .btn {
  --btn-bg: #f2f4f7;
  --btn-fg: var(--ink-1);
  --btn-line: transparent;
  min-height: 40px;
  padding: 0 16px;
  font-size: var(--fs-xs);
}

.header .btn:hover {
  --btn-bg: #ffffff;
  border-color: transparent;
}

.header__cta {
  display: none;
}

.burger {
  position: relative;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r-2);
  display: inline-grid;
  place-items: center;
}

.burger span {
  position: absolute;
  left: 11px;
  width: 18px;
  height: 1.5px;
  background: #f2f4f7;
  transition:
    transform var(--d-2) var(--ease-out),
    opacity var(--d-2) var(--ease-out),
    top var(--d-2) var(--ease-out);
}

.burger span:nth-child(1) {
  top: 14px;
}

.burger span:nth-child(2) {
  top: 19px;
}

.burger span:nth-child(3) {
  top: 24px;
}

.burger[aria-expanded="true"] span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] span:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

/* Mobile menu panel */
.menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 40;
  background: var(--ink-1);
  color: #f2f4f7;
  padding: var(--s-6) var(--gutter) var(--s-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--d-2) var(--ease-out),
    transform var(--d-2) var(--ease-out),
    visibility 0s linear var(--d-2);
}

.menu.is-open {
  opacity: 1;
  transform: none;
  visibility: visible;
  transition-delay: 0s;
}

.menu__list {
  display: grid;
  gap: 2px;
}

.menu__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  transform: translateY(12px);
  opacity: 0;
  transition:
    transform var(--d-3) var(--ease-out),
    opacity var(--d-3) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 40ms);
}

.menu.is-open .menu__link {
  transform: none;
  opacity: 1;
}

.menu__link small {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--fg-3);
  letter-spacing: 0.1em;
}

.menu__foot {
  display: grid;
  gap: var(--s-3);
  padding-top: var(--s-6);
}

.menu__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* ---------- Hero -------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(100svh, 920px);
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: 72px;
  background: var(--ink-1);
  color: #f2f4f7;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: auto -20% -30% -20%;
  height: 60%;
  background: radial-gradient(ellipse at 60% 100%, rgba(77, 141, 255, 0.18), transparent 60%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  gap: var(--s-8);
  align-items: center;
}

.hero__copy {
  display: grid;
  gap: var(--s-5);
  max-width: 680px;
}

.hero__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3) var(--s-5);
}

.hero__title {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: var(--track-display);
  font-weight: 600;
  color: #ffffff;
}

.hero__title .dot {
  color: var(--blue-400);
}

.hero__lead {
  font-size: var(--fs-lead);
  color: var(--fg-2);
  max-width: 56ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  padding-top: var(--s-2);
}

.hero__caps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding-top: var(--s-4);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.hero__caps li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero__caps li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--blue-400);
  opacity: 0.8;
}

/* Schematic */
.schematic {
  position: relative;
  width: 100%;
  max-width: 620px;
  margin-inline: auto;
}

.schematic svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.schematic__frame {
  position: absolute;
  inset: -6px;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  pointer-events: none;
}

.schematic__label {
  position: absolute;
  top: -6px;
  left: 18px;
  transform: translateY(-50%);
  padding: 0 8px;
  background: var(--ink-1);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  white-space: nowrap;
}

.schematic__label--r {
  display: none;
  left: auto;
  right: 18px;
}

@media (min-width: 1280px) {
  .schematic__label--r {
    display: block;
  }
}

.sc-node {
  fill: var(--ink-2);
  stroke: rgba(255, 255, 255, 0.16);
  stroke-width: 1;
}

.sc-node--accent {
  fill: rgba(77, 141, 255, 0.1);
  stroke: rgba(77, 141, 255, 0.55);
}

.sc-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  fill: #f2f4f7;
  letter-spacing: -0.01em;
}

.sc-sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  fill: #8a93a3;
  letter-spacing: 0.04em;
}

.sc-tag {
  font-family: var(--font-mono);
  font-size: 8.5px;
  fill: #6b7484;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sc-edge {
  fill: none;
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 1.2;
}

.sc-pulse {
  fill: none;
  stroke: var(--blue-400);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 18 260;
  stroke-dashoffset: 278;
  animation: pulse 3.6s linear infinite;
  animation-delay: var(--delay, 0s);
  opacity: 0.9;
}

.sc-pulse--slow {
  animation-duration: 5.2s;
}

.sc-port {
  fill: var(--ink-1);
  stroke: rgba(255, 255, 255, 0.35);
  stroke-width: 1;
}

.sc-live {
  fill: var(--green-400);
  animation: blink 2.4s ease-in-out infinite;
}

.sc-tick {
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 1;
}

@keyframes pulse {
  to {
    stroke-dashoffset: 0;
  }
}

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

/* ---------- Proof strip ------------------------------------------------- */
.proof {
  padding-block: var(--s-7);
  background: var(--ink-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof__grid {
  display: grid;
  gap: var(--s-5);
}

.proof__item {
  display: grid;
  gap: 6px;
  padding-left: var(--s-4);
  border-left: 1px solid var(--line-strong);
}

.proof__item dt {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.proof__item dd {
  font-size: var(--fs-sm);
  color: var(--fg-2);
}

/* ---------- Products ---------------------------------------------------- */
.product {
  position: relative;
  display: grid;
  gap: var(--s-5);
  padding: clamp(20px, 3vw, 36px);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  transition:
    transform var(--d-2) var(--ease-out),
    box-shadow var(--d-2) var(--ease-out),
    border-color var(--d-2) var(--ease-out);
}

.product:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  border-color: var(--line-strong);
}

.product__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--r-3);
  border: 1px solid var(--line);
  background: var(--paper-2);
}

.product__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 900ms var(--ease-out);
}

.product:hover .product__media img {
  transform: scale(1.03);
}

.product__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  flex-wrap: wrap;
}

.product__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.product__title {
  font-size: var(--fs-h2);
  letter-spacing: var(--track-tight);
}

.product__desc {
  color: var(--fg-2);
}

.facts {
  display: grid;
  gap: var(--s-3);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line);
}

.facts > div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: var(--s-3);
  font-size: var(--fs-sm);
}

.facts dt {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  padding-top: 3px;
}

.facts dd {
  color: var(--fg-2);
}

.product__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  padding-top: var(--s-2);
}

.product--flagship {
  margin-bottom: var(--s-5);
}

.product--flagship .product__title {
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
}

.products__grid {
  display: grid;
  gap: var(--s-5);
}

/* Cards in the grid stretch to equal height; keep content pinned to the top */
.products__grid .product {
  align-content: start;
}

/* ---------- Capabilities ------------------------------------------------ */
.caps {
  display: grid;
  border-top: 1px solid var(--line);
}

.cap {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: var(--s-4);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--d-2) var(--ease-out);
}

.cap__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--fg-3);
  padding-top: 6px;
  transition: color var(--d-2) var(--ease-out);
}

.cap:hover .cap__idx {
  color: var(--accent);
}

.cap__body {
  display: grid;
  gap: var(--s-2);
}

.cap__name {
  font-size: var(--fs-h3);
  display: flex;
  align-items: center;
  gap: 10px;
}

.cap__name svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex: none;
}

.cap__desc {
  color: var(--fg-2);
  font-size: var(--fs-sm);
  max-width: 58ch;
}

.cap .chips {
  padding-top: var(--s-1);
}

/* ---------- CTA band ---------------------------------------------------- */
.band {
  position: relative;
  padding-block: clamp(64px, 6vw, 112px);
  background: var(--ink-1);
  color: #f2f4f7;
  overflow: hidden;
}

.band__inner {
  display: grid;
  gap: var(--s-6);
  align-items: center;
  padding: clamp(28px, 4vw, 56px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-4);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(77, 141, 255, 0.2), transparent 55%),
    var(--ink-2);
}

.band__title {
  font-size: var(--fs-h1);
  letter-spacing: var(--track-display);
  color: #ffffff;
}

.band__copy {
  color: var(--fg-2);
  max-width: 50ch;
  margin-top: var(--s-3);
}

.band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}

/* ---------- Engineering ------------------------------------------------- */
.principles {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  overflow: hidden;
}

.principle {
  display: grid;
  gap: var(--s-3);
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--bg);
  transition: background-color var(--d-2) var(--ease-out);
}

.principle:hover {
  background: var(--bg-raised);
}

.principle__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-2);
  color: var(--accent);
}

.principle__icon svg {
  width: 20px;
  height: 20px;
}

.principle__name {
  font-size: var(--fs-h3);
}

.principle__desc {
  color: var(--fg-2);
  font-size: var(--fs-sm);
}

.stack {
  margin-top: clamp(40px, 5vw, 72px);
  display: grid;
  gap: var(--s-5);
}

.stack__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-3);
}

.stack__title {
  font-size: var(--fs-h2);
}

.stack__note {
  font-size: var(--fs-sm);
  color: var(--fg-3);
  max-width: 48ch;
}

.stack__grid {
  display: grid;
  gap: var(--s-4);
}

.stack__group {
  display: grid;
  gap: var(--s-3);
  padding: var(--s-4) 0;
  border-top: 1px solid var(--line);
}

.stack__label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* ---------- Engagement -------------------------------------------------- */
.models {
  display: grid;
  gap: var(--s-4);
}

.model {
  display: grid;
  gap: var(--s-3);
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  transition:
    border-color var(--d-2) var(--ease-out),
    transform var(--d-2) var(--ease-out);
}

.model:hover {
  border-color: var(--accent-line);
  transform: translateY(-2px);
}

.model__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--accent);
}

.model__name {
  font-size: var(--fs-h3);
}

.model__desc {
  color: var(--fg-2);
  font-size: var(--fs-sm);
}

.model__fit {
  padding-top: var(--s-3);
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--fg-3);
}

.model__fit b {
  color: var(--fg-2);
  font-weight: 600;
}

.process {
  margin-top: clamp(48px, 6vw, 88px);
}

.process__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-6);
}

.process__title {
  font-size: var(--fs-h2);
}

.steps {
  position: relative;
  display: grid;
  gap: var(--s-5);
  counter-reset: step;
}

.step {
  position: relative;
  display: grid;
  gap: var(--s-2);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line-strong);
}

.step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.step__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--fg-3);
}

.step__name {
  font-size: 1.05rem;
}

.step__desc {
  color: var(--fg-2);
  font-size: var(--fs-sm);
}

.kit {
  margin-top: clamp(40px, 5vw, 72px);
  display: grid;
  gap: var(--s-4);
  align-items: center;
  padding: clamp(20px, 3vw, 32px);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-3);
}

.kit__title {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.kit__title svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.kit__desc {
  color: var(--fg-2);
  font-size: var(--fs-sm);
  margin-top: 6px;
}

/* ---------- Industries -------------------------------------------------- */
.industries {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
}

.industry {
  display: grid;
  gap: var(--s-2);
  padding: var(--s-5);
  background: var(--bg);
  transition: background-color var(--d-2) var(--ease-out);
}

.industry:hover {
  background: var(--bg-raised);
}

.industry__name {
  font-size: 1rem;
}

.industry__desc {
  font-size: var(--fs-sm);
  color: var(--fg-2);
}

.industry--note {
  background: var(--accent-soft);
}

.industry--note .industry__name {
  color: var(--accent);
}

/* ---------- Leadership -------------------------------------------------- */
.people {
  display: grid;
  gap: var(--s-6);
}

.person {
  display: grid;
  gap: var(--s-5);
  padding: clamp(20px, 3vw, 32px);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
}

.person__portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  max-width: 260px;
  overflow: hidden;
  border-radius: var(--r-3);
  background: var(--paper-2);
}

.person__portrait picture,
.person__portrait img {
  height: 100%;
}

.person__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.person__body {
  display: grid;
  gap: var(--s-3);
  align-content: start;
}

.person__name {
  font-size: var(--fs-h2);
}

.person__role {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.person__lead {
  font-size: 1.02rem;
  color: var(--fg);
}

.person__copy {
  color: var(--fg-2);
  font-size: var(--fs-sm);
}

.person__points {
  display: grid;
  gap: var(--s-2);
  padding-top: var(--s-3);
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm);
  color: var(--fg-2);
}

.person__points li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 10px;
}

.person__points li::before {
  content: "";
  margin-top: 9px;
  width: 8px;
  height: 1px;
  background: var(--accent);
}

.person__points b {
  color: var(--fg);
  font-weight: 600;
}

.person__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4);
  padding-top: var(--s-2);
}

/* ---------- Resources & FAQ --------------------------------------------- */
.resource {
  display: grid;
  gap: var(--s-4);
  align-items: center;
  padding: clamp(20px, 3vw, 32px);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  margin-bottom: clamp(40px, 5vw, 64px);
}

.resource__title {
  font-size: 1.15rem;
}

.resource__desc {
  color: var(--fg-2);
  font-size: var(--fs-sm);
  margin-top: 6px;
}

.faq {
  display: grid;
  border-top: 1px solid var(--line);
}

.faq__item {
  border-bottom: 1px solid var(--line);
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: 20px 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
  transition: color var(--d-2) var(--ease-out);
}

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

.faq__icon {
  position: relative;
  flex: none;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform var(--d-2) var(--ease-out);
}

.faq__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq__q[aria-expanded="true"] .faq__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--d-2) var(--ease-out);
}

.faq__a > div {
  overflow: hidden;
}

.faq__a p {
  padding-bottom: 22px;
  color: var(--fg-2);
  font-size: var(--fs-sm);
  max-width: 68ch;
}

.faq__item.is-open .faq__a {
  grid-template-rows: 1fr;
}

/* ---------- Contact ----------------------------------------------------- */
.contact__layout {
  display: grid;
  gap: var(--s-6);
}

.channels {
  display: grid;
  gap: var(--s-2);
  align-content: start;
}

.channel {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 16px;
  align-items: center;
  gap: var(--s-3);
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  background: var(--bg-raised);
  transition:
    border-color var(--d-2) var(--ease-out),
    background-color var(--d-2) var(--ease-out),
    transform var(--d-2) var(--ease-out);
}

.channel:hover {
  border-color: var(--accent-line);
  background: var(--bg-hover);
  transform: translateX(2px);
}

.channel__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-2);
  color: var(--accent);
}

.channel__icon svg {
  width: 18px;
  height: 18px;
}

.channel__name {
  font-weight: 600;
  font-size: var(--fs-sm);
}

.channel__meta {
  font-size: var(--fs-xs);
  color: var(--fg-3);
}

.channel__arrow {
  width: 16px;
  height: 16px;
  color: var(--fg-3);
  transition: transform var(--d-2) var(--ease-out);
}

.channel:hover .channel__arrow {
  transform: translateX(3px);
  color: var(--accent);
}

.channels__meta {
  padding-top: var(--s-4);
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.form {
  display: grid;
  gap: var(--s-4);
  padding: clamp(20px, 3vw, 32px);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-4);
}

.form__row {
  display: grid;
  gap: var(--s-4);
}

.field {
  display: grid;
  gap: 8px;
}

.field__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--fg-2);
}

.field__label small {
  font-weight: 400;
  color: var(--fg-3);
}

.field__input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-2);
  color: var(--fg);
  transition:
    border-color var(--d-2) var(--ease-out),
    box-shadow var(--d-2) var(--ease-out);
}

.field__input::placeholder {
  color: var(--fg-3);
}

.field__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--focus);
}

.field__input:user-invalid {
  border-color: var(--red-400);
}

select.field__input {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--fg-3) 50%),
    linear-gradient(135deg, var(--fg-3) 50%, transparent 50%);
  background-position:
    calc(100% - 20px) 50%,
    calc(100% - 15px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 40px;
}

textarea.field__input {
  min-height: 140px;
  resize: vertical;
}

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding-top: var(--s-2);
}

.form__note {
  font-size: var(--fs-xs);
  color: var(--fg-3);
  max-width: 34ch;
}

.form__status {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--r-2);
  font-size: var(--fs-sm);
  border: 1px solid;
}

.form__status--ok {
  color: var(--green-400);
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.08);
}

.form__status--err {
  color: var(--red-400);
  border-color: rgba(240, 96, 94, 0.35);
  background: rgba(240, 96, 94, 0.08);
}

.form__status svg {
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 3px;
}

.spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.success {
  display: grid;
  gap: var(--s-4);
  padding: clamp(28px, 4vw, 48px);
  background: var(--bg-raised);
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: var(--r-4);
}

.success__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.12);
  color: var(--green-400);
}

.success__icon svg {
  width: 22px;
  height: 22px;
}

.success__title {
  font-size: var(--fs-h2);
}

.success__copy {
  color: var(--fg-2);
}

/* ---------- Footer ------------------------------------------------------ */
.footer {
  background: var(--ink-0);
  color: #f2f4f7;
  border-top: 1px solid var(--line);
  padding-block: var(--s-8) var(--s-6);
}

.footer__grid {
  display: grid;
  gap: var(--s-6);
  padding-bottom: var(--s-7);
  border-bottom: 1px solid var(--line);
}

.footer__brand {
  display: grid;
  gap: var(--s-4);
  align-content: start;
}

.footer__desc {
  color: var(--fg-2);
  font-size: var(--fs-sm);
  max-width: 34ch;
}

.footer__col h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: var(--s-3);
}

.footer__col ul {
  display: grid;
  gap: 8px;
}

.footer__col a {
  font-size: var(--fs-sm);
  color: var(--fg-2);
  transition: color var(--d-2) var(--ease-out);
}

.footer__col a:hover {
  color: #ffffff;
}

.footer__compliance {
  padding-block: var(--s-5);
  font-size: var(--fs-xs);
  color: var(--fg-3);
  max-width: 72ch;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--fg-3);
}

.footer__bottom a:hover {
  color: #ffffff;
}

/* ---------- Back to top ------------------------------------------------- */
.totop {
  --p: 0;
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #f2f4f7;
  background:
    conic-gradient(var(--blue-400) calc(var(--p) * 1%), rgba(255, 255, 255, 0.12) 0) border-box;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition:
    opacity var(--d-2) var(--ease-out),
    transform var(--d-2) var(--ease-out);
}

.totop::before {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--ink-2);
}

.totop svg {
  position: relative;
  width: 16px;
  height: 16px;
}

.totop.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* ---------- Reveal (IntersectionObserver) -------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--d-3) var(--ease-out),
    transform var(--d-3) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

.no-js .reveal {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive -------------------------------------------------- */
@media (min-width: 560px) {
  .form__row {
    grid-template-columns: 1fr 1fr;
  }

  .proof__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .industries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stack__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--s-4) var(--s-6);
  }

  .person {
    grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .person__portrait {
    max-width: none;
  }
}

@media (min-width: 760px) {
  .kit,
  .resource {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .person {
    grid-template-columns: minmax(200px, 0.62fr) minmax(0, 1fr);
  }

  .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .models {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .products__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product--flagship {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }

  .product--flagship .product__media {
    order: 2;
  }

  .product__body {
    display: grid;
    gap: var(--s-4);
  }

  .caps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--s-8);
  }

  .band__inner {
    grid-template-columns: minmax(0, 1.2fr) auto;
  }

  .contact__layout {
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.4fr);
    align-items: start;
  }

  .footer__grid {
    grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  }

  .head--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: var(--s-5) var(--s-8);
  }

  .head--split .lead {
    justify-self: end;
    max-width: 44ch;
  }
}

@media (min-width: 1024px) {
  .nav {
    display: block;
  }

  .header__cta {
    display: inline-flex;
  }

  .burger {
    display: none;
  }

  .hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(40px, 5vw, 80px);
  }

  .proof__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .industries {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .stack__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .people {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .person__portrait {
    max-width: 280px;
  }

  .footer__grid {
    grid-template-columns: 1.6fr repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .person {
    grid-template-columns: minmax(200px, 0.75fr) minmax(0, 1fr);
  }

  .person__portrait {
    max-width: none;
  }
}

@media (max-width: 1023px) {
  .hero {
    min-height: 0;
    padding-top: calc(var(--header-h) + 40px);
  }

  .schematic {
    max-width: 560px;
  }
}

@media (max-width: 559px) {
  .hero__actions .btn,
  .band__actions .btn,
  .kit .btn,
  .resource .btn,
  .form__foot .btn {
    width: 100%;
  }

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

  .form__note {
    max-width: none;
  }
}

/* ---------- Motion preferences ------------------------------------------ */
@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;
    transition-delay: 0s !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .sc-pulse {
    stroke-dasharray: none;
    opacity: 0.35;
  }
}

/* ---------- Print ------------------------------------------------------- */
@media print {
  .header,
  .menu,
  .totop,
  .band,
  .schematic {
    display: none !important;
  }

  .section {
    padding-block: 24px;
    color: #000;
    background: #fff;
  }
}