@import url("./tokens.css");

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* film grain over everything — keeps flat colors from feeling digital */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.06;
  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='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
  color: var(--primary);
}

h1 em,
h2 em {
  font-style: italic;
  font-weight: 400;
}

p {
  margin: 0 0 var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

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

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.skip-link:focus {
  top: var(--space-4);
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--header-h);
  transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(7, 17, 31, 0.9);
  box-shadow: 0 10px 30px -12px rgba(7, 17, 31, 0.45);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom-color: var(--line-dark);
}

.site-header__inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.site-brand__mark {
  width: 40px;
  height: 40px;
  padding: 4px;
  box-sizing: border-box;
  object-fit: contain;
  flex-shrink: 0;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.35s var(--ease-out), filter 0.35s var(--ease-out);
}

.site-brand:hover .site-brand__mark {
  transform: scale(1.06);
  filter: drop-shadow(0 0 10px rgba(147, 51, 234, 0.45));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-size: 0.92rem;
  font-weight: 600;
  color: rgba(238, 243, 248, 0.78);
}

.site-nav a {
  position: relative;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.site-nav a:not(.site-nav__app)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-out);
}

.site-nav a:hover {
  color: #fff;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.site-nav__app {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 178, 57, 0.55);
  color: var(--accent);
}

.site-nav__app:hover {
  background: var(--accent);
  color: var(--primary) !important;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  overflow: hidden;
  color: var(--hero-ink);
  background:
    radial-gradient(ellipse 60% 50% at 78% 42%, rgba(61, 214, 196, 0.2), transparent 62%),
    radial-gradient(ellipse 45% 40% at 12% 85%, rgba(255, 178, 57, 0.14), transparent 60%),
    linear-gradient(160deg, var(--night) 0%, var(--primary) 55%, #0c2c4a 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(7, 17, 31, 0.55));
  pointer-events: none;
}

.hero__mesh-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.9;
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 60% 45%, #000 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 85% 75% at 60% 45%, #000 40%, transparent 100%);
}

.hero__glow {
  position: absolute;
  width: 44rem;
  height: 44rem;
  right: -10rem;
  top: -6rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 214, 196, 0.18), transparent 66%);
  filter: blur(10px);
  pointer-events: none;
  animation: glow-breathe 9s ease-in-out infinite alternate;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--header-h) + var(--space-7)) var(--space-5) var(--space-8);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero__copy {
  max-width: 36rem;
}

.hero__copy > * {
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.9s var(--ease-out) forwards;
}

.hero__copy > *:nth-child(2) { animation-delay: 0.12s; }
.hero__copy > *:nth-child(3) { animation-delay: 0.24s; }
.hero__copy > *:nth-child(4) { animation-delay: 0.36s; }

.hero__brand {
  margin: 0 0 var(--space-5);
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: clamp(3rem, 7.2vw, 5.75rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: #fff;
}

.hero__brand span {
  display: block;
  font-style: italic;
  font-weight: 300;
  color: rgba(238, 243, 248, 0.72);
}

.hero__headline {
  margin: 0 0 var(--space-4);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: -0.015em;
}

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

.hero__subhead {
  margin: 0 0 var(--space-6);
  font-size: clamp(1.02rem, 1.4vw, 1.15rem);
  line-height: 1.65;
  color: rgba(238, 243, 248, 0.78);
  max-width: 31rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__stage {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  animation: rise 1.1s 0.3s var(--ease-out) forwards;
}

/* ---------- Hero demo card ---------- */

.hero-demo {
  position: relative;
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(16, 48, 90, 0.55), rgba(7, 17, 31, 0.55));
  border: 1px solid rgba(232, 240, 248, 0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-dark), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero-demo::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(61, 214, 196, 0.55), transparent 40%, transparent 65%, rgba(255, 178, 57, 0.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-demo__svg {
  width: 100%;
  height: auto;
  border-radius: 16px;
  background: rgba(7, 17, 31, 0.55);
}

.hero-demo .layer {
  opacity: 0;
  transition: opacity 0.55s var(--ease-out);
}

.hero-demo .layer--bisectors path,
.hero-demo .layer--circle {
  stroke-dashoffset: 0;
}

.hero-demo[data-step="0"] .layer--tri,
.hero-demo[data-step="1"] .layer--tri,
.hero-demo[data-step="1"] .layer--bisectors,
.hero-demo[data-step="2"] .layer {
  opacity: 1;
}

.hero-demo .layer--center {
  transform-box: fill-box;
  transform-origin: center;
}

.hero-demo[data-step="2"] circle.layer--center {
  animation: pulse 1.6s ease-in-out infinite;
}

.hero-demo .vtx {
  filter: drop-shadow(0 0 6px rgba(61, 214, 196, 0.7));
}

.hero-demo__steps {
  margin: 0;
  padding: var(--space-4);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.hero-demo__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.hero-demo__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(238, 243, 248, 0.5);
}

.hero-demo__progress {
  display: flex;
  gap: 6px;
}

.hero-demo__progress span {
  width: 22px;
  height: 3px;
  border-radius: 3px;
  background: rgba(238, 243, 248, 0.16);
  transition: background-color 0.4s var(--ease-out);
}

.hero-demo[data-step="0"] .hero-demo__progress span:nth-child(-n + 1),
.hero-demo[data-step="1"] .hero-demo__progress span:nth-child(-n + 2),
.hero-demo[data-step="2"] .hero-demo__progress span {
  background: var(--accent);
}

.hero-demo__steps ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.hero-demo__steps li {
  font-size: 0.92rem;
  color: rgba(238, 243, 248, 0.4);
  transition: color 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.hero-demo__steps li strong {
  font-weight: 700;
}

.hero-demo__steps li.is-active {
  color: #fff;
  transform: translateX(6px);
}

.hero-demo__steps li.is-active strong {
  color: var(--accent);
}

/* ---------- Buttons ---------- */

.btn {
  appearance: none;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.5rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.005em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

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

.btn--primary {
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: var(--primary);
  box-shadow: 0 12px 32px -8px rgba(255, 178, 57, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn--primary::after {
  content: "→";
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -8px rgba(255, 178, 57, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn--primary:hover::after {
  transform: translateX(4px);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border: 1px solid rgba(238, 243, 248, 0.32);
}

.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(238, 243, 248, 0.7);
  background: rgba(255, 255, 255, 0.08);
}

.btn--solid {
  background: var(--accent);
  color: var(--primary);
}

.btn--solid:hover {
  transform: translateY(-2px);
  background: var(--accent-2);
}

/* ---------- Sections ---------- */

.section {
  position: relative;
  padding: var(--space-9) var(--space-5);
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--secondary);
}

.section__eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.section__title {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  max-width: 16ch;
}

.section__title em {
  color: var(--secondary);
}

.section__lead {
  max-width: 40rem;
  color: var(--ink-muted);
  font-size: 1.1rem;
}

/* Domains — warm paper */

.section--domains {
  background: var(--paper);
}

.domains {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.domains__item {
  position: relative;
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
}

.domains__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--secondary);
  transition: width 0.6s var(--ease-out);
}

.domains__item:nth-child(2)::before { background: var(--accent); }
.domains__item:nth-child(3)::before { background: var(--primary); }

.domains__item:hover::before {
  width: 100%;
}

.domains__icon {
  width: 52px;
  height: 52px;
  margin-bottom: var(--space-5);
  color: var(--primary);
  transition: transform 0.6s var(--ease-out);
}

.domains__item:hover .domains__icon {
  transform: translateY(-4px) rotate(-6deg);
}

.domains__tag {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.domains__item h3 {
  font-size: 1.75rem;
  margin-bottom: var(--space-3);
}

.domains__item p {
  color: var(--ink-muted);
}

/* Why — editorial split on surface */

.section--why {
  background: var(--surface);
}

.why {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.why__head {
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
}

.why-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.why-list li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--line);
}

.why-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.why-list__index {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--accent);
}

.why-list h3 {
  font-size: 1.45rem;
  margin-bottom: var(--space-2);
}

.why-list p {
  color: var(--ink-muted);
}

/* Demo — dark night band */

.section--demo {
  background:
    radial-gradient(ellipse 55% 60% at 85% 20%, rgba(61, 214, 196, 0.14), transparent 60%),
    radial-gradient(ellipse 40% 50% at 5% 90%, rgba(255, 178, 57, 0.1), transparent 60%),
    var(--night);
  color: var(--hero-ink);
}

.section--demo .section__title {
  color: #fff;
}

.section--demo .section__title em {
  color: var(--accent);
}

.section--demo .section__eyebrow {
  color: var(--teal-glow);
}

.section--demo .section__lead {
  color: rgba(238, 243, 248, 0.7);
}

.playground {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
  gap: var(--space-5);
  margin-top: var(--space-7);
  align-items: stretch;
}

.playground__canvas-wrap {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  box-shadow: var(--shadow-dark);
  background: var(--primary);
}

#demo-canvas {
  width: 100%;
  height: auto;
}

.playground__controls {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  display: flex;
  gap: 0.5rem;
}

.chip {
  appearance: none;
  border: 1px solid rgba(238, 243, 248, 0.22);
  background: rgba(7, 17, 31, 0.7);
  backdrop-filter: blur(8px);
  color: #fff;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.chip:hover {
  transform: translateY(-1px);
  border-color: rgba(238, 243, 248, 0.5);
}

.chip--accent {
  background: var(--accent);
  border-color: transparent;
  color: var(--primary);
}

.playground__panel {
  display: grid;
  align-content: start;
  gap: var(--space-5);
  padding: var(--space-6);
  border-radius: 22px;
  background: linear-gradient(170deg, rgba(16, 48, 90, 0.6), rgba(11, 35, 64, 0.35));
  border: 1px solid var(--line-dark);
}

.playground__panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(238, 243, 248, 0.55);
}

.trace {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
  min-height: 8rem;
}

.trace li {
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
  font-size: 0.97rem;
  color: rgba(238, 243, 248, 0.9);
  opacity: 0;
  transform: translateY(6px);
  animation: rise 0.45s var(--ease-out) forwards;
}

.trace li strong {
  color: var(--accent);
}

.trace__idle {
  border-left-color: rgba(238, 243, 248, 0.2) !important;
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
  color: rgba(238, 243, 248, 0.5) !important;
}

.snippet {
  margin: 0;
  padding: var(--space-4) var(--space-5);
  border-radius: 14px;
  background: rgba(7, 17, 31, 0.75);
  border: 1px solid var(--line-dark);
  color: var(--teal-glow);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  overflow-x: auto;
}

/* Steps — deeper paper */

.section--steps {
  background: var(--paper-2);
}

.steps {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3.5rem);
  counter-reset: step;
}

.steps__item {
  position: relative;
}

.steps__item::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 3.4rem;
  line-height: 1;
  color: var(--secondary);
}

.steps__item::after {
  content: "";
  position: absolute;
  top: 1.7rem;
  left: 5rem;
  right: -1.5rem;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}

.steps__item:last-child::after {
  display: none;
}

.steps__item h3 {
  font-size: 1.6rem;
}

.steps__item p {
  color: var(--ink-muted);
}

/* Access — gradient band */

.section--access {
  background:
    radial-gradient(ellipse 50% 70% at 100% 0%, rgba(61, 214, 196, 0.22), transparent 60%),
    radial-gradient(ellipse 40% 60% at 0% 100%, rgba(255, 178, 57, 0.14), transparent 60%),
    linear-gradient(150deg, var(--primary) 0%, var(--night) 100%);
  color: var(--hero-ink);
}

.access {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.section--access .section__eyebrow {
  color: var(--accent);
}

.section--access .section__title {
  color: #fff;
}

.section--access .section__title em {
  color: var(--accent);
}

.section--access .section__lead {
  color: rgba(238, 243, 248, 0.75);
}

.access-form {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-dark);
  backdrop-filter: blur(10px);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(238, 243, 248, 0.65);
}

.field input {
  width: 100%;
  padding: 0.9rem 1.05rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(238, 243, 248, 0.18);
  background: rgba(7, 17, 31, 0.45);
  color: #fff;
  font: inherit;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.field input::placeholder {
  color: rgba(238, 243, 248, 0.35);
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 178, 57, 0.18);
}

.form-note {
  margin: 0;
  font-size: 0.86rem;
  color: rgba(238, 243, 248, 0.55);
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  font-size: 0.95rem;
  color: var(--accent);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--night);
  color: rgba(238, 243, 248, 0.6);
  padding: var(--space-7) var(--space-5);
  border-top: 1px solid var(--line-dark);
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.site-footer__brand-row {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
}

.site-footer__mark {
  width: 32px;
  height: 32px;
  padding: 3px;
  box-sizing: border-box;
  object-fit: contain;
  flex-shrink: 0;
  background: #fff;
  border-radius: 50%;
}

.site-footer__brand {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  align-items: center;
  margin: 0;
}

.site-footer a {
  color: rgba(238, 243, 248, 0.82);
  text-decoration: none;
}

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

/* ---------- Motion ---------- */

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes glow-breathe {
  from { transform: scale(1); opacity: 0.85; }
  to { transform: scale(1.12); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.35); }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-med) var(--ease-out),
    transform var(--dur-med) var(--ease-out);
}

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

@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;
  }

  .hero__copy > *,
  .hero__stage,
  .reveal,
  .trace li {
    opacity: 1;
    transform: none;
  }

  .hero-demo .layer {
    opacity: 1;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero__inner,
  .why,
  .access,
  .playground {
    grid-template-columns: 1fr;
  }

  .hero__inner {
    padding-top: calc(var(--header-h) + var(--space-6));
    gap: var(--space-7);
  }

  .why__head {
    position: static;
  }

  .domains,
  .steps {
    grid-template-columns: 1fr;
  }

  .steps__item::after {
    display: none;
  }

  .site-nav a:not(.site-nav__app) {
    display: none;
  }
}

@media (max-width: 560px) {
  .section {
    padding: var(--space-8) var(--space-4);
  }

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

  .why-list li {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .access-form {
    padding: var(--space-5);
  }
}