/* Motiva website — layout & components.
   Motion lives in animations.css. Dark aurora identity matches the Motiva installer. */

:root {
  --bg: #0c0e1e;
  --bg-2: #10132a;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.075);
  --border: rgba(160, 180, 255, 0.16);
  --border-strong: rgba(160, 190, 255, 0.32);
  --text: #eef1ff;
  --muted: #a9b3dc;
  --dim: #8993c0;
  --cyan: #4cc9ff;
  --blue: #3c82ff;
  --violet: #9a6bff;
  --green: #2e9e4f;
  --grad: linear-gradient(120deg, #4cc9ff 0%, #6d8cff 50%, #9a6bff 100%);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
  --header-h: 68px;
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg) url("../Assets/backgrounds/grid.svg");
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0; letter-spacing: -0.015em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
code, kbd {
  font-family: "Cascadia Mono", Consolas, monospace; font-size: 0.86em;
  padding: 0.12em 0.45em; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border);
}
em { font-style: normal; color: #fff; font-weight: 600; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.container { width: min(1160px, 100% - 48px); margin-inline: auto; }
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: #fff; color: #0c0e1e; padding: 10px 16px; border-radius: 10px; font-weight: 600;
}
.skip-link:focus { top: 12px; }

.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 14px;
}

/* ------------------------------------------------------------ buttons */
.btn {
  --pad-y: 12px; --pad-x: 22px;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: var(--pad-y) var(--pad-x); border-radius: 14px; border: 1px solid transparent;
  font: 600 1rem/1 var(--font); cursor: pointer; white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
}
.btn img { width: 20px; height: 20px; filter: brightness(0) invert(1); }
.btn-primary {
  color: #fff; background: linear-gradient(120deg, #3c82ff, #8b62ff);
  box-shadow: 0 10px 30px -10px rgba(92, 120, 255, 0.75), inset 0 1px 0 rgba(255,255,255,0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(110, 130, 255, 0.9), inset 0 1px 0 rgba(255,255,255,0.35); }
.btn-primary:active { transform: translateY(0); filter: brightness(0.94); }
.btn-ghost { color: var(--text); background: var(--surface); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); border-color: rgba(120, 200, 255, 0.6); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0); }
.btn-lg { --pad-y: 16px; --pad-x: 28px; font-size: 1.05rem; border-radius: 16px; }
.btn-sm { --pad-y: 10px; --pad-x: 18px; font-size: 0.95rem; }

/* ------------------------------------------------------------ header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  background: rgba(12, 14, 30, 0.55); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent; transition: border-color .25s ease, background-color .25s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--border); background: rgba(12, 14, 30, 0.82); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 700 1.25rem var(--font-display); letter-spacing: -0.01em; }
.brand img { border-radius: 9px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav ul { display: flex; align-items: center; gap: 4px; }
.site-nav li a:not(.btn) {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 10px;
  color: var(--muted); font-weight: 500; font-size: 0.98rem; transition: color .15s ease, background-color .15s ease;
}
.site-nav li a:not(.btn):hover { color: #fff; background: var(--surface); }
.site-nav li a[aria-current="true"] { color: #fff; background: var(--surface-2); }
.nav-external img { opacity: .75; filter: brightness(0) invert(1); }
.nav-toggle { display: none; width: 46px; height: 46px; place-items: center; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
.nav-toggle .bar { transform-box: fill-box; transform-origin: center; transition: transform .25s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] .bar-1 { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar-2 { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar-3 { transform: translateY(-5px) rotate(-45deg); }

/* ------------------------------------------------------------ sections */
.section { position: relative; padding: clamp(72px, 10vw, 128px) 0; }
.section-alt { background: linear-gradient(180deg, rgba(20, 24, 56, 0.55), rgba(12, 14, 30, 0)); border-block: 1px solid rgba(160, 180, 255, 0.07); }
.section-head { max-width: 820px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head h2, .download h2 { font-size: clamp(2rem, 4.4vw, 3rem); }
.section-lead { color: var(--muted); font-size: 1.15rem; margin-top: 14px; }

/* ------------------------------------------------------------ hero */
.hero { position: relative; padding: calc(var(--header-h) + clamp(40px, 7vw, 96px)) 0 clamp(72px, 9vw, 120px); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; background: url("../Assets/backgrounds/aurora.svg") center / cover no-repeat; }
.hero-bg::after { content: ""; position: absolute; inset: auto 0 0 0; height: 220px; background: linear-gradient(180deg, transparent, var(--bg)); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); align-items: center; gap: clamp(32px, 5vw, 72px); }
.hero h1 { font-size: clamp(2.6rem, 6.2vw, 4.6rem); font-weight: 700; letter-spacing: -0.03em; }
.lead { margin-top: 22px; font-size: clamp(1.08rem, 1.7vw, 1.28rem); color: var(--muted); max-width: 33em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 32px; color: var(--dim); font-size: 0.95rem; }
.hero-facts li { display: inline-flex; align-items: center; gap: 8px; }
.hero-facts li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); }

.hero-visual { position: relative; padding-bottom: 8%; }
.desktop {
  position: relative; aspect-ratio: 16 / 10; border-radius: 20px; overflow: hidden;
  border: 1px solid var(--border-strong); background: #080a18; box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,0.03) inset;
}
.desktop-wall { position: absolute; inset: 0; background: linear-gradient(135deg, #080a1a, #170f36); overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(46px); opacity: .9; will-change: transform; }
.blob-a { width: 62%; aspect-ratio: 1; left: -14%; bottom: -34%; background: #00bfe6; }
.blob-b { width: 58%; aspect-ratio: 1; right: -12%; top: -32%; background: #8c5aff; }
.blob-c { width: 44%; aspect-ratio: 1; left: 30%; top: 20%; background: #3278ff; opacity: .55; }
.ribbons { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: #9bc4ff; stroke-opacity: .28; stroke-width: 2.2; }
.desktop-icons { position: absolute; left: 4%; top: 6%; display: grid; gap: 14px; }
.desktop-icons span { display: grid; justify-items: center; gap: 4px; width: 68px; font-size: .68rem; color: rgba(255,255,255,.9); text-shadow: 0 1px 4px rgba(0,0,0,.7); }
.desktop-icons i { width: 34px; height: 34px; border-radius: 9px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28); }
.desktop-taskbar { position: absolute; left: 0; right: 0; bottom: 0; height: 9%; min-height: 26px; background: rgba(10, 12, 26, 0.72); backdrop-filter: blur(8px); border-top: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; gap: 12px; }
.desktop-taskbar i { width: 18px; height: 18px; border-radius: 6px; background: rgba(255,255,255,.22); }
.float-window {
  position: absolute; right: -3%; bottom: 0; width: 62%; margin: 0;
  border-radius: 14px; overflow: hidden; border: 1px solid var(--border-strong); background: #1f1f1f;
  box-shadow: 0 30px 70px -18px rgba(0, 0, 0, .85), 0 0 60px -20px rgba(110, 130, 255, .55);
}
.float-window img { width: 100%; height: auto; }
.float-window figcaption { position: absolute; left: 10px; top: 10px; padding: 4px 10px; font-size: .72rem; border-radius: 999px; background: rgba(8, 10, 24, .78); color: var(--muted); border: 1px solid var(--border); }
.badge-illustration { position: absolute; left: 14px; bottom: calc(8% + 12px); font-size: .72rem; padding: 4px 10px; border-radius: 999px; color: var(--dim); background: rgba(8,10,24,.7); border: 1px solid var(--border); }

/* ------------------------------------------------------------ cards / features */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card {
  position: relative; padding: 28px 26px 30px; border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface-2), var(--surface)); border: 1px solid var(--border);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease, background-color .25s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(120, 190, 255, .5); box-shadow: 0 22px 44px -22px rgba(76, 110, 255, .55); }
.card .icon { width: 44px; height: 44px; margin-bottom: 18px; transition: transform .3s ease, filter .3s ease; }
.card:hover .icon { transform: scale(1.1) rotate(-3deg); filter: drop-shadow(0 0 10px rgba(110, 160, 255, .65)); }
.card h3 { font-size: 1.22rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 1rem; }

/* ------------------------------------------------------------ how it works */
.flow { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; counter-reset: step; }
.flow::before { content: ""; position: absolute; left: 12%; right: 12%; top: 46px; height: 2px; background: linear-gradient(90deg, transparent, rgba(120, 170, 255, .5) 12%, rgba(154, 107, 255, .5) 88%, transparent); }
.flow-step { position: relative; text-align: center; padding: 0 6px; counter-increment: step; }
.flow-node {
  position: relative; display: grid; place-items: center; width: 92px; height: 92px; margin: 0 auto 22px; border-radius: 28px;
  background: linear-gradient(160deg, #191c40, #10132a); border: 1px solid var(--border-strong);
  box-shadow: 0 16px 36px -16px rgba(80, 110, 255, .7);
}
.flow-node::after {
  content: counter(step); position: absolute; top: -10px; right: -10px; width: 28px; height: 28px; display: grid; place-items: center;
  border-radius: 50%; font: 700 .82rem var(--font); color: #fff; background: linear-gradient(120deg, #3c82ff, #8b62ff); border: 2px solid var(--bg);
}
.flow-step h3 { font-size: 1.2rem; margin-bottom: 8px; }
.flow-step p { color: var(--muted); font-size: .98rem; max-width: 15em; margin-inline: auto; }

/* ------------------------------------------------------------ screenshots */
.shots { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 28px; align-items: start; }
.shot-tabs { display: grid; gap: 8px; }
.shot-tabs button {
  display: grid; gap: 2px; text-align: left; padding: 14px 18px; border-radius: 14px; cursor: pointer;
  font: 600 1rem var(--font); color: var(--muted); background: var(--surface); border: 1px solid var(--border);
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.shot-tabs button small { font-weight: 400; font-size: .8rem; color: var(--dim); }
.shot-tabs button:hover { color: #fff; background: var(--surface-2); transform: translateX(3px); }
.shot-tabs button[aria-selected="true"] { color: #fff; background: linear-gradient(120deg, rgba(60,130,255,.28), rgba(139,98,255,.22)); border-color: rgba(120, 180, 255, .6); }
.shot-stage { min-width: 0; }
.shot-panel { margin: 0; }
.shot-panel[hidden] { display: none; }
.window-frame { border-radius: 16px; overflow: hidden; border: 1px solid var(--border-strong); background: #16162a; box-shadow: var(--shadow), 0 0 80px -30px rgba(100, 120, 255, .5); }
.window-frame img { width: 100%; height: auto; }
.shot-panel figcaption { margin-top: 14px; color: var(--dim); font-size: .95rem; }
.explorer-art svg { width: 100%; height: auto; }

/* ------------------------------------------------------------ windows integration */
.integration-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.notice {
  display: flex; gap: 20px; align-items: flex-start; margin-top: 28px; padding: 26px 28px; border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(255, 190, 90, .10), rgba(255, 190, 90, .03)); border: 1px solid rgba(255, 200, 120, .34);
}
.notice .icon { flex: none; width: 40px; height: 40px; filter: hue-rotate(150deg) saturate(1.6) brightness(1.25); }
.notice h3 { font-size: 1.15rem; margin-bottom: 6px; }
.notice p { color: #d6d9ee; font-size: 1rem; }
.notice strong { color: #fff; }

/* ------------------------------------------------------------ download */
.download-card {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start;
  padding: clamp(28px, 5vw, 56px); border-radius: 28px; position: relative; overflow: hidden;
  background: linear-gradient(150deg, rgba(60, 100, 255, .20), rgba(154, 107, 255, .10) 55%, rgba(255, 255, 255, .03));
  border: 1px solid var(--border-strong); box-shadow: var(--shadow);
}
.download-card::before { content: ""; position: absolute; inset: -40% -20% auto auto; width: 70%; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(110, 140, 255, .32), transparent); pointer-events: none; }
.download-logo { border-radius: 18px; margin-bottom: 20px; box-shadow: 0 14px 34px -12px rgba(0, 0, 0, .8); }
.download-main .hero-actions { margin-top: 26px; }
.download-notice { margin-top: 22px; padding: 12px 16px; border-radius: 12px; font-size: .92rem; color: #ffe2a8; background: rgba(255, 190, 90, .09); border: 1px dashed rgba(255, 200, 120, .5); }
.download-notice[hidden] { display: none; }
.download-side h3 { font-size: 1.05rem; margin: 0 0 12px; color: #fff; }
.download-side h3:not(:first-child) { margin-top: 26px; }
.checklist li { position: relative; padding-left: 30px; color: var(--muted); margin-bottom: 10px; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; background: url("../Assets/icons/check.svg") center / contain no-repeat; filter: brightness(1.25) saturate(1.2); }
.steps-list { counter-reset: s; }
.steps-list li { counter-increment: s; position: relative; padding-left: 38px; color: var(--muted); margin-bottom: 10px; }
.steps-list li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; font: 700 .82rem var(--font); color: #fff; background: rgba(120, 150, 255, .28); border: 1px solid var(--border-strong); }
.fine { margin-top: 20px; font-size: .92rem; color: var(--dim); }

/* ------------------------------------------------------------ footer */
.site-footer { border-top: 1px solid var(--border); background: rgba(8, 9, 20, .7); padding: 48px 0 30px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; }
.footer-brand p { margin-top: 14px; color: var(--dim); font-size: .95rem; }
.site-footer nav ul { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.site-footer nav a { color: var(--muted); font-size: .98rem; padding: 4px 0; }
.site-footer nav a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.footer-legal { margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(160,180,255,.1); color: var(--dim); font-size: .9rem; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 640px; }
  .hero-visual { max-width: 720px; }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 44px; }
  .flow::before { display: none; }
}

@media (max-width: 860px) {
  :root { --header-h: 62px; }
  .nav-toggle { display: grid; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 14px;
    padding: 18px 24px 26px; background: rgba(10, 12, 26, .96); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border); box-shadow: 0 30px 60px -30px #000;
    transform: translateY(-12px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: transform .25s ease, opacity .2s ease, visibility 0s linear .25s;
  }
  .site-nav.is-open { transform: none; opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .site-nav li a:not(.btn) { padding: 14px 12px; font-size: 1.08rem; }
  .nav-cta { width: 100%; }
  .shots { grid-template-columns: 1fr; }
  .shot-tabs { grid-auto-flow: column; grid-auto-columns: max-content; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x proximity; }
  .shot-tabs button { scroll-snap-align: start; }
  .shot-tabs button:hover { transform: none; }
  .integration-grid { grid-template-columns: 1fr; }
  .download-card { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .container { width: min(1160px, 100% - 32px); }
  .feature-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .float-window { width: 74%; right: -2%; }
  .desktop-icons { transform: scale(.8); transform-origin: top left; }
  .notice { flex-direction: column; gap: 12px; padding: 22px; }
  .badge-illustration { display: none; }
  .download-card { border-radius: 22px; }
}

/* Source-code (developer) option + Claude attribution */
.source-card { margin-top: 22px; display: flex; align-items: center; gap: 20px; padding: 22px 26px; border: 1px dashed var(--border-strong); border-radius: var(--radius); background: var(--surface); }
.source-text { flex: 1; min-width: 0; }
.source-text h3 { margin: 0 0 4px; font-size: 1.15rem; color: #fff; }
.source-text p { margin: 0; color: var(--muted); }
.source-text .eyebrow { margin-bottom: 6px; }
.built-with { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; font-size: .85rem; color: var(--dim); }
.built-with img { border-radius: 4px; opacity: .9; }
@media (max-width: 640px) { .source-card { flex-direction: column; align-items: flex-start; } .source-card .btn { width: 100%; justify-content: center; } }