/* IZDAR — flat, tactile. No gradients, no glow, no blur. */

:root {
  --bg: #F5F7FB;
  --card: #FFFFFF;
  --text: #101B1F;
  --muted: #5B6472;
  --line: #E2E6EE;
  --accent: #2475FE;
  --on-accent: #FFFFFF;
  --art: #B9C0CC;
  --laptop-lid: #101B1F;
  --laptop-base: #C9D0DB;
  --laptop-notch: #AEB6C3;
  --shadow: #101B1F;
  --disabled-bg: #EDF0F5;
  --disabled-text: #5B6472;

  --dark-block: #101B1F;
  --dark-block-text: #E8ECF2;
  --dark-block-muted: #A9B3C2;
  --dark-block-line: #2A3840;
  --dark-block-accent: #5B9BFF;

  --radius: 8px;
  --wrap: 1280px;
  --gutter: 32px;
  --font: system-ui, "Segoe UI", Roboto, Arial, sans-serif;

  --t-hover: 160ms;
  --t-ui: 360ms;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11151C;
    --card: #1A2029;
    --text: #E8ECF2;
    --muted: #8A94A6;
    --line: #262F3D;
    --accent: #5B9BFF;
    --on-accent: #0B1220;
    --art: #4A5566;
    --laptop-lid: #0A0D12;
    --laptop-base: #2B3442;
    --laptop-notch: #3A4556;
    --shadow: #000000;
    --disabled-bg: #222935;
    --disabled-text: #8A94A6;
    --dark-block: #101B1F;
    --dark-block-line: #2A3840;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #11151C;
  --card: #1A2029;
  --text: #E8ECF2;
  --muted: #8A94A6;
  --line: #262F3D;
  --accent: #5B9BFF;
  --on-accent: #0B1220;
  --art: #4A5566;
  --laptop-lid: #0A0D12;
  --laptop-base: #2B3442;
  --laptop-notch: #3A4556;
  --shadow: #000000;
  --disabled-bg: #222935;
  --disabled-text: #8A94A6;
  color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.55 var(--font);
  overflow-x: hidden;
  transition: background-color var(--t-ui) var(--ease), color var(--t-ui) var(--ease);
}

main { flex: 1 0 auto; overflow-x: clip; }

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

h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

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

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Logo accent follows theme accent */
svg rect[fill="#2475FE"] { fill: var(--accent); }

/* ---------- Magnetic + press ---------- */

.magnetic {
  --mx: 0px;
  --my: 0px;
  --press: 0px;
  display: inline-flex;
  transform: translate3d(var(--mx), calc(var(--my) + var(--press)), 0);
  transition: transform 220ms var(--ease);
  will-change: transform;
}
.magnetic.is-magnet { transition: transform 90ms linear; }
.magnetic:active { --press: 2px; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  transition: background-color var(--t-ui) var(--ease), border-color var(--t-ui) var(--ease);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.brand { display: flex; align-items: center; gap: 10px; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-left: -6px;
  border-radius: var(--radius);
  color: var(--text);
  transition: transform 120ms var(--ease);
}
.brand-mark svg { overflow: visible; }
.brand-mark:active { transform: translateY(2px); }

.brand-mark .bar {
  transform-box: fill-box;
  transition: transform 420ms var(--spring);
}
.brand-mark:hover .bar-l,
.brand-mark:focus-visible .bar-l { transform: translateY(-14%); }
.brand-mark:hover .bar-r,
.brand-mark:focus-visible .bar-r { transform: translateY(14%); }
.brand-mark:hover .bar-mt,
.brand-mark:focus-visible .bar-mt { transform: translateY(-34%); }
.brand-mark:hover .bar-mb,
.brand-mark:focus-visible .bar-mb { transform: translateY(34%); }
.brand-mark:hover .bar-acc,
.brand-mark:focus-visible .bar-acc { transform: scaleY(1.35); transform-origin: center; }

.brand-mark.is-flip .bar-acc { animation: acc-flip 520ms var(--spring); transform-origin: center; }
@keyframes acc-flip {
  0% { transform: scaleY(1.35) rotate(0); }
  50% { transform: scaleY(.4) rotate(90deg); }
  100% { transform: scaleY(1.35) rotate(180deg); }
}

.brand-name {
  font-weight: 800;
  font-size: 1.375rem;
  letter-spacing: .02em;
  line-height: 1;
  padding: 6px 2px;
}

.header-nav { display: flex; align-items: center; gap: 24px; }

.nav-link {
  position: relative;
  font-weight: 600;
  padding: 8px 2px;
  color: var(--text);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-hover) var(--ease);
}
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }

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

.btn {
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 28px;
  border-radius: var(--radius);
  border: 2px solid var(--accent);
  font-weight: 700;
  font-size: 1.1875rem; /* 19px bold = large text for AA contrast on accent */
  line-height: 1;
  white-space: nowrap;
  box-shadow: 0 0 0 0 var(--shadow);
}
.btn:hover { box-shadow: 4px 4px 0 0 var(--shadow); }
.btn:active { box-shadow: 2px 2px 0 0 var(--shadow); }

.btn-solid { background: var(--accent); color: var(--on-accent); }
.btn-outline { background: var(--card); color: var(--text); border-color: var(--text); }
.btn-outline:hover { border-color: var(--accent); }

.btn-sm {
  min-height: 44px;
  padding: 0 18px;
  font-size: 1rem;
  border-width: 2px;
}

.btn-disabled {
  background: var(--disabled-bg);
  color: var(--disabled-text);
  border: 2px dashed var(--line);
  cursor: not-allowed;
  min-height: 52px;
  width: 100%;
}
.btn-disabled:hover { box-shadow: none; }

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.18fr);
  align-items: center;
  gap: 56px;
  padding-block: 72px 64px;
}

.hero h1 {
  font-size: clamp(2rem, 1rem + 2.9vw, 3.5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -.025em;
  overflow-wrap: break-word;
  hyphens: manual;
}

.lead {
  margin-top: 24px;
  max-width: 34em;
  color: var(--muted);
  font-size: 1.1875rem;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

/* ---------- Tilt ---------- */

.tilt-stage { perspective: 1400px; }

[data-tilt] {
  --rx: 0deg;
  --ry: 0deg;
  transform-style: preserve-3d;
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  will-change: transform;
}

/* ---------- Laptop ---------- */

.hero-visual { min-width: 0; }

.laptop-scroll { transform-style: preserve-3d; }
.laptop { width: 100%; }

.laptop-lid {
  position: relative;
  margin-inline: 7%;
  padding: 3.2% 2.4% 2.4%;
  background: var(--laptop-lid);
  border-radius: 18px 18px 6px 6px;
  border: 1px solid var(--line);
}

.laptop-cam {
  position: absolute;
  top: 1.2%;
  left: 50%;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: #2B3442;
}

.laptop-base {
  position: relative;
  height: 18px;
  background: var(--laptop-base);
  border-radius: 2px 2px 14px 14px;
  border-top: 1px solid var(--line);
}
.laptop-notch {
  position: absolute;
  top: 0;
  left: 50%;
  width: 16%;
  height: 7px;
  transform: translateX(-50%);
  background: var(--laptop-notch);
  border-radius: 0 0 8px 8px;
}

.shot {
  position: relative;
  display: block;
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--card);
}
.shot img { width: 100%; }

/* ---------- Feature cards ---------- */

.features { padding-block: 16px 96px; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.cards > li { perspective: 900px; display: flex; }

.card {
  --lift: 0px;
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 28px 24px 28px;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transform: translateY(var(--lift)) rotateX(var(--rx)) rotateY(var(--ry));
  box-shadow: 0 0 0 0 var(--accent);
  transition:
    transform 260ms var(--ease),
    background-color var(--t-ui) var(--ease),
    box-shadow 160ms var(--ease);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.card.is-tilting { transition: transform 80ms linear, background-color var(--t-ui) var(--ease), box-shadow 160ms var(--ease); }
.card:hover,
.card:focus-visible { border-color: var(--accent); }
.card.is-pinned {
  --lift: -4px;
  border-color: var(--accent);
  box-shadow: 4px 4px 0 0 var(--accent);
}
.card:focus-visible { outline-offset: 4px; }

.card h3 {
  margin-top: 24px;
  font-size: 1.1875rem;
  line-height: 1.3;
  font-weight: 700;
}
.card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: .975rem;
}

.card-art {
  width: 96px;
  height: 72px;
  overflow: visible;
}
.art-line {
  fill: none;
  stroke: var(--art);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--t-hover) linear;
}
.art-acc {
  fill: none;
  stroke: var(--accent);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.art-fill { fill: var(--art); transform-box: fill-box; transform-origin: 50% 100%; transition: transform 420ms var(--spring), fill var(--t-hover) linear; }
.art-fill-acc { fill: var(--accent); }

.card:hover .art-line,
.card:focus-visible .art-line,
.card.is-pinned .art-line { stroke: var(--text); }

/* upload */
.art-arrow { transition: transform 420ms var(--spring); }
.card:hover .art-arrow,
.card:focus-visible .art-arrow,
.card.is-pinned .art-arrow { transform: translateY(-6px); }
.card.is-play .art-arrow { animation: arrow-up 620ms var(--ease); }
@keyframes arrow-up {
  0% { transform: translateY(0); opacity: 1; }
  45% { transform: translateY(-22px); opacity: 0; }
  46% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(-6px); opacity: 1; }
}

/* checks */
.art-tick { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 260ms var(--ease); }
.card:hover .art-tick,
.card:focus-visible .art-tick,
.card.is-pinned .art-tick { stroke-dashoffset: 0; }
.card:hover .t2, .card:focus-visible .t2, .card.is-pinned .t2 { transition-delay: 120ms; }
.card:hover .t3, .card:focus-visible .t3, .card.is-pinned .t3 { transition-delay: 240ms; }
.card.is-play .art-tick { animation: tick-draw 520ms var(--ease) both; }
.card.is-play .t2 { animation-delay: 110ms; }
.card.is-play .t3 { animation-delay: 220ms; }
@keyframes tick-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }

/* bars */
.card:hover .b1, .card:focus-visible .b1, .card.is-pinned .b1 { transform: scaleY(1.25); }
.card:hover .b2, .card:focus-visible .b2, .card.is-pinned .b2 { transform: scaleY(.75); }
.card:hover .b3, .card:focus-visible .b3, .card.is-pinned .b3 { transform: scaleY(1.6); }
.card:hover .b4, .card:focus-visible .b4, .card.is-pinned .b4 { transform: scaleY(1.08); }
.card.is-play .art-fill { animation: bar-pop 560ms var(--spring); }
.card.is-play .b2 { animation-delay: 60ms; }
.card.is-play .b3 { animation-delay: 120ms; }
.card.is-play .b4 { animation-delay: 180ms; }
@keyframes bar-pop { 0% { transform: scaleY(1); } 40% { transform: scaleY(.15); } 100% { transform: scaleY(1); } }

/* export */
.art-out { transition: transform 420ms var(--spring); }
.card:hover .art-out,
.card:focus-visible .art-out,
.card.is-pinned .art-out { transform: translateX(6px); }
.card.is-play .art-out { animation: out-slide 600ms var(--ease); }
@keyframes out-slide {
  0% { transform: translateX(0); opacity: 1; }
  45% { transform: translateX(18px); opacity: 0; }
  46% { transform: translateX(-10px); opacity: 0; }
  100% { transform: translateX(6px); opacity: 1; }
}

/* ---------- Wide screenshot ---------- */

.wide-shot { padding-bottom: 112px; }

.shot-frame {
  padding: 12px;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--t-hover) linear, box-shadow 160ms var(--ease);
}
.shot-frame:hover { border-color: var(--accent); box-shadow: 4px 4px 0 0 var(--shadow); }

/* ---------- Security (dark block) ---------- */

.secure {
  background: var(--dark-block);
  color: var(--dark-block-text);
  padding-block: 96px;
  border-block: 1px solid var(--dark-block-line);
}

.secure h2 {
  font-size: clamp(1.75rem, 1rem + 2.2vw, 2.75rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -.02em;
}

.secure-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.secure-list > li { display: flex; }

.secure-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  width: 100%;
  padding: 28px 24px;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--dark-block-text);
  border: 2px solid var(--dark-block-line);
  border-radius: var(--radius);
  background: var(--dark-block);
  transition: transform 220ms var(--ease);
}
.secure-item:hover { border-color: var(--dark-block-muted); }
.secure-item:active { transform: translateY(2px); }
.secure-item[aria-pressed="true"] {
  border-color: var(--dark-block-accent);
  box-shadow: 4px 4px 0 0 var(--dark-block-accent);
  transform: translateY(-4px);
}
.secure-item[aria-pressed="true"]:active { transform: translateY(-2px); }
.secure-item:focus-visible { outline-color: var(--dark-block-accent); }

.secure-icon {
  width: 48px;
  height: 48px;
  fill: none;
  stroke: var(--dark-block-muted);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.secure-icon path { stroke-dasharray: 1; stroke-dashoffset: 0; }
.secure-item[aria-pressed="true"] .secure-icon { stroke: var(--dark-block-accent); }
.secure-item.is-drawing .secure-icon path { animation: path-draw 700ms var(--ease) both; }
.secure-item.is-drawing .secure-icon path:nth-child(2) { animation-delay: 120ms; }
.secure-item.is-drawing .secure-icon path:nth-child(3) { animation-delay: 240ms; }
.secure-item.is-drawing .secure-icon path:nth-child(4) { animation-delay: 360ms; }
@keyframes path-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }

/* ---------- Contact ---------- */

.contact { padding-block: 96px 112px; }
.contact:focus { outline: none; }

.contact h2 {
  font-size: clamp(1.75rem, 1rem + 2.2vw, 2.75rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -.02em;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin-top: 32px;
}

.contact-link {
  position: relative;
  font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  font-weight: 700;
  padding: 6px 0;
  border-radius: 0;
  overflow-wrap: anywhere;
}
.contact-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transform-origin: left;
  transition: transform 900ms var(--ease) calc(var(--d, 0ms) + 250ms);
}
.contact-link:hover { color: var(--accent); }

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

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 32px;
  font-size: .9375rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 32px;
}

.footer-brand {
  align-items: center;
  gap: 8px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--text);
}
.copy { color: var(--text); }
.note { color: var(--muted); font-size: .8125rem; margin-left: auto; }

/* ---------- Download page ---------- */

.download { padding-block: 72px 112px; }

.download h1 {
  font-size: clamp(2rem, 1rem + 2.9vw, 3.5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -.025em;
}

.platforms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
  max-width: 880px;
}
.platforms > li { display: flex; }

.platform {
  --lift: 0px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  padding: 32px;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transform: translateY(var(--lift));
  transition: transform 260ms var(--ease), background-color var(--t-ui) var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.platform:hover { border-color: var(--accent); }
.platform.is-detected {
  --lift: -4px;
  border-color: var(--accent);
  box-shadow: 4px 4px 0 0 var(--accent);
}
.platform.is-bounce { animation: card-bounce 560ms var(--spring); }
@keyframes card-bounce {
  0% { transform: translateY(var(--lift)) rotateX(0); }
  30% { transform: translateY(calc(var(--lift) + 3px)) rotateX(10deg) scale(.985); }
  65% { transform: translateY(calc(var(--lift) - 3px)) rotateX(-4deg); }
  100% { transform: translateY(var(--lift)) rotateX(0); }
}

.platform-icon {
  width: 48px;
  height: 48px;
  fill: none;
  stroke: var(--text);
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.platform.is-detected .platform-icon { stroke: var(--accent); }

.platform h2 {
  margin-top: 28px;
  font-size: 1.75rem;
  line-height: 1.15;
  font-weight: 800;
}
.platform p {
  margin-top: 8px;
  color: var(--muted);
}

.lock {
  display: block;
  width: 100%;
  margin-top: 32px;
  cursor: not-allowed;
}
.lock .btn { pointer-events: none; }
.lock.is-shake { animation: shake 420ms cubic-bezier(.36, .07, .19, .97) both; }
@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-6px) rotate(-1deg); }
  40%, 60% { transform: translateX(6px) rotate(1deg); }
}

.release-note {
  margin-top: 32px;
  color: var(--muted);
}

/* ---------- Zoom modal ---------- */

.zoom {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  overflow: hidden;
}
.zoom::backdrop { background: rgba(16, 27, 31, .86); }
.zoom[open] { display: grid; place-items: center; }

.zoom-img {
  width: min(94vw, calc(88dvh * 1.6));
  height: auto;
  border-radius: var(--radius);
  border: 2px solid var(--line);
  background: var(--card);
  cursor: zoom-out;
  transform-origin: 0 0;
}

.zoom-close {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  border: 2px solid var(--text);
  box-shadow: 4px 4px 0 0 var(--accent);
  transition: transform 120ms var(--ease);
}
.zoom-close:active { transform: translateY(2px); }
.zoom-close svg { fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; }

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

@media (max-width: 1100px) {
  .cards, .secure-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
    padding-block: 48px 48px;
  }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .header-row { min-height: 64px; }
  .header-nav { gap: 14px; }
  .btn-sm { padding: 0 14px; min-height: 44px; }
  .brand-name { font-size: 1.25rem; }
  .lead { font-size: 1.0625rem; }
  .actions .btn { flex: 1 1 auto; }
  .cards, .secure-list, .platforms { grid-template-columns: minmax(0, 1fr); }
  .features { padding-bottom: 64px; }
  .wide-shot { padding-bottom: 72px; }
  .shot-frame { padding: 6px; }
  .secure, .contact { padding-block: 64px; }
  .laptop-lid { margin-inline: 5%; border-radius: 12px 12px 4px 4px; }
  .laptop-base { height: 12px; }
  .note { margin-left: 0; }
  .platform { padding: 24px; }
  .download { padding-block: 48px 72px; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    transition-delay: 0ms !important;
  }
  [data-tilt], .card, .magnetic { transform: none !important; }
  .card.is-pinned { transform: translateY(-4px) !important; }
}

/* =========================================================
   Motion: scroll assembly + ambient life
   Gated by html.motion (added only without reduced motion).
   ========================================================= */

.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(var(--sp, 0));
  transform-origin: left;
  pointer-events: none;
}

.motion { --spring-soft: cubic-bezier(.2, 1.15, .32, 1); }

/* header drops in */
.motion .site-header { animation: header-in 700ms var(--ease) both; }
@keyframes header-in { from { transform: translateY(-100%); } to { transform: none; } }

/* generic reveal */
.motion [data-reveal] {
  transition:
    opacity 700ms var(--ease) var(--d, 0ms),
    transform 1000ms var(--spring-soft) var(--d, 0ms);
}
.motion [data-reveal="up"]:not(.is-in) { opacity: 0; transform: translate3d(0, 32px, 0); }

.motion [data-reveal="fly"]:not(.is-in) {
  opacity: 0;
  transform: translate3d(var(--fx, 0px), var(--fy, 80px), 0) rotate(var(--fr, 0deg)) rotateX(28deg) scale(.94);
}

.motion [data-reveal="rise"] { transform-origin: 50% 100%; }
.motion [data-reveal="rise"]:not(.is-in) {
  opacity: 0;
  transform: translate3d(0, 56px, 0) rotateX(-38deg) scale(.96);
}

/* split headings: words rise from a mask */
.w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-bottom: .12em;
  margin-bottom: -.12em;
}
.wi { display: inline-block; }
.motion [data-reveal="split"] .wi {
  transform: translate3d(0, 115%, 0) rotate(6deg);
  transform-origin: 0 100%;
  transition: transform 1000ms cubic-bezier(.16, 1, .3, 1) calc(var(--d, 0ms) + var(--i, 0) * 60ms);
}
.motion [data-reveal="split"].is-in .wi { transform: none; }
.motion [data-reveal="split"]:not(.is-split) { visibility: hidden; }

/* contact underline draws */
.motion .contact-links li:not(.is-in) .contact-link::after { transform: scaleX(0); }

/* ---- laptop opens ---- */
.motion [data-reveal="laptop"] .laptop-lid {
  transform-origin: 50% 100%;
  transition: transform 1300ms cubic-bezier(.2, .95, .25, 1.04) 250ms;
}
.motion [data-reveal="laptop"]:not(.is-in) .laptop-lid { transform: rotateX(-84deg); }
.motion [data-reveal="laptop"] .laptop-base { transition: opacity 500ms var(--ease), transform 800ms var(--spring-soft); }
.motion [data-reveal="laptop"]:not(.is-in) .laptop-base { opacity: 0; transform: translateY(28px) scaleX(.86); }
.motion [data-reveal="laptop"] .laptop-screen img {
  transition: clip-path 900ms cubic-bezier(.65, 0, .35, 1) 850ms;
  clip-path: inset(0 0 0 0);
}
.motion [data-reveal="laptop"]:not(.is-in) .laptop-screen img { clip-path: inset(0 0 100% 0); }

/* scan line: once on assembly, then ambient */
.laptop-screen::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  pointer-events: none;
}
.motion .is-assembling .laptop-screen::after { animation: scan 900ms cubic-bezier(.65, 0, .35, 1) 850ms both; }
.motion .is-alive .laptop-screen::after { animation: scan 9s cubic-bezier(.65, 0, .35, 1) 1s infinite; }
@keyframes scan {
  0% { transform: translateY(0); opacity: 1; }
  16% { opacity: 1; }
  18% { transform: translateY(var(--scan-h, 400px)); opacity: 0; }
  100% { transform: translateY(var(--scan-h, 400px)); opacity: 0; }
}
.motion .is-assembling .laptop-screen::after { animation-name: scan-once; }
@keyframes scan-once {
  0% { transform: translateY(0); opacity: 1; }
  95% { opacity: 1; }
  100% { transform: translateY(var(--scan-h, 400px)); opacity: 0; }
}

/* ambient float */
.motion .hero-visual { animation: float 7s ease-in-out 2.4s infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* hero disassembles on scroll out */
.motion .hero-copy {
  transform: translate3d(0, calc(var(--hp, 0) * -48px), 0);
  opacity: calc(1 - var(--hp, 0) * .7);
}
.motion .laptop-scroll {
  transform:
    translate3d(0, calc(var(--hp, 0) * 70px), 0)
    rotateX(calc(var(--hp, 0) * 16deg))
    scale(calc(1 - var(--hp, 0) * .08));
}
.motion .laptop-scroll[data-reveal] { transition: none; }

/* ---- feature card assembly ---- */
.motion .cards > li { --fy: 90px; }
.motion .is-assembling .art-line {
  stroke-dasharray: 1;
  animation: stroke-in 900ms var(--ease) calc(var(--d, 0ms) + 380ms) both;
}
@keyframes stroke-in { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
.motion .is-assembling .art-fill {
  animation: bar-rise 800ms var(--spring-soft) calc(var(--d, 0ms) + 520ms) backwards;
}
.motion .is-assembling .b2 { animation-delay: calc(var(--d, 0ms) + 600ms); }
.motion .is-assembling .b3 { animation-delay: calc(var(--d, 0ms) + 680ms); }
.motion .is-assembling .b4 { animation-delay: calc(var(--d, 0ms) + 760ms); }
@keyframes bar-rise { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.motion .is-assembling .art-arrow,
.motion .is-assembling .art-out { animation: pop-in 700ms var(--spring-soft) calc(var(--d, 0ms) + 700ms) backwards; }
@keyframes pop-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.motion .is-assembling .art-tick { animation: tick-draw 500ms var(--ease) calc(var(--d, 0ms) + 700ms) both; }
.motion .is-assembling .t2 { animation-delay: calc(var(--d, 0ms) + 820ms); }
.motion .is-assembling .t3 { animation-delay: calc(var(--d, 0ms) + 940ms); }

/* ---- wide screenshot: tilts upright with scroll, assembles from tiles ---- */
.motion .shot-scroll {
  transform-origin: 50% 0;
  transform-style: preserve-3d;
  transform: rotateX(calc((1 - var(--p, 1)) * 26deg)) scale(calc(.88 + var(--p, 1) * .12));
}
.motion .shot-scroll[data-reveal] { transition: none; }
.motion .shot-scroll:not(.is-in) .shot img,
.shot.is-building img { visibility: hidden; }
.shot.is-building { overflow: visible; }
.tiles { position: absolute; inset: 0; pointer-events: none; }
.tile {
  position: absolute;
  background-repeat: no-repeat;
  transform: translate3d(var(--tx), var(--ty), 0) rotate(var(--tr)) scale(.55);
  opacity: 0;
  transition:
    transform 1000ms cubic-bezier(.2, 1.1, .3, 1) var(--td),
    opacity 300ms linear var(--td);
}
.tiles.go .tile { transform: none; opacity: 1; }

/* ---- dark block opens from a window ---- */
.motion .secure {
  clip-path: inset(0 calc((1 - var(--p, 1)) * 7%) round calc((1 - var(--p, 1)) * 40px));
}
.motion .secure-list > li { perspective: 900px; }
.motion .secure-list > li[data-reveal] { transform-origin: 50% 100%; }

/* ---- download page ---- */
.motion .platforms > li { --fy: 70px; }

/* ---- logo breathes ---- */
.motion .brand-mark:not(:hover):not(:focus-visible):not(.is-flip) .bar-acc {
  transform-origin: center;
  animation: acc-idle 8s ease-in-out 3s infinite;
}
@keyframes acc-idle {
  0%, 88%, 100% { transform: none; }
  92% { transform: scaleY(1.45); }
  96% { transform: scaleY(.7); }
}