/* The landing page tells a guided story; feature routes keep their reading layout. */
.presentation { --base: #0d1020; --soft: #b8bbd2; background: radial-gradient(ellipse at 80% 8%, #242342 0, transparent 35%), #0d1020; }
.presentation .starfield { opacity: .85; }
.presentation::before { opacity: .14; }

.presentation .site-header { background: rgba(13,16,32,.8); box-shadow: none; }
.presentation .brand span { font-size: 14px; }
.presentation .brand img { width: 36px; height: 36px; }
.presentation .nav-wrap { min-height: 72px; }
.presentation .site-nav { gap: 32px; margin-left: auto; }
.motion-toggle { background: transparent; border: 1px solid #363952; border-radius: 999px; padding: 10px 13px; color: var(--soft); font: inherit; font-size: 11px; cursor: pointer; }
.motion-toggle:hover { color: white; border-color: var(--violet-light); }
.presentation main > section::before { display: none; }
.presentation section { scroll-margin-top: 86px; }
.presentation h1, .presentation h2 { font-weight: 550; letter-spacing: -.035em; text-wrap: balance; }
.presentation h1 { max-width: 640px; font-size: clamp(38px, 4.7vw, 68px); line-height: 1.16; margin: 18px 0 26px; }
.presentation h2 { font-size: clamp(28px, 3.6vw, 48px); line-height: 1.22; }
.speaker { display: flex; align-items: center; gap: 10px; color: var(--soft); font-size: 12px; letter-spacing: .015em; }
.speaker img { width: 27px; height: 27px; border-radius: 8px; }
.speaker i { width: 5px; height: 5px; border-radius: 50%; background: #b5d5ba; box-shadow: 0 0 10px #b5d5ba66; }
.intro-scene { min-height: calc(100svh - 72px); padding: 56px 0 32px; position: relative; display: flex; flex-direction: column; justify-content: center; }
.intro-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: center; }
.intro-greeting { color: var(--violet-light); font-size: 17px; margin: 32px 0 0; }
.intro-description { max-width: 470px; color: var(--soft); font-size: 17px; line-height: 1.8; }
.intro-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin: 30px 0 0; }
.intro-download { color: var(--soft); font-size: 13px; padding-block: 14px; }
.intro-platforms { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; color: #868aa5; font-size: 11px; }
.intro-platforms span + span::before { content: '·'; margin-right: 14px; }
.intro-demo { position: relative; display: flex; align-items: center; flex-direction: column; isolation: isolate; }
.demo-orbit { position: absolute; z-index: -1; width: 450px; aspect-ratio: 1; top: 10%; border-radius: 50%; border: 1px solid #bfa2ff26; background: radial-gradient(circle, #7266e622, transparent 68%); }

.demo-coordinate { position: absolute; right: -32px; top: 42%; writing-mode: vertical-rl; color: #81869f; letter-spacing: .24em; font-size: 9px; }
.presentation-phone { position: relative; width: 242px; aspect-ratio: 1206/2622; padding: 7px; background: linear-gradient(145deg, #77718b, #252436 45%, #5d527e); border-radius: 39px; box-shadow: 0 30px 80px #0007; }
.presentation-phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 33px; transition: opacity .22s ease; }
.demo-select { display: flex; gap: 5px; margin-top: 24px; padding: 5px; border-radius: 999px; border: 1px solid #36364f; background: #141729; }
.demo-select button { min-width: 70px; min-height: 40px; padding: 0 13px; border-radius: 999px; border: 0; background: transparent; color: var(--soft); font: inherit; font-size: 12px; cursor: pointer; transition: background .2s; }
.demo-select button[aria-pressed="true"] { background: #cbb6ed; color: #181128; }
.demo-caption { color: var(--soft); font-size: 12px; line-height: 1.6; text-align: center; min-height: 38px; max-width: 360px; margin: 16px 0 0; }
.demo-note { font-size: 10px; color: #7c819d; }
.scene-scroll { display: flex; justify-content: space-between; width: min(calc(100% - 40px), 1180px); margin: 38px auto 0; padding-top: 22px; border-top: 1px solid #ffffff12; color: #989cb8; font-size: 12px; }
.scene-scroll > span:last-child { color: var(--violet-light); font-size: 22px; }
.story-section { padding: 30px 0 80px; }
.story-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.story-chapter { min-height: 78svh; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 65px 0; scroll-margin-top: 100px; }
.chapter-number { color: #8f87ac; font-size: 11px; letter-spacing: .18em; }
.visitor-question { align-self: flex-end; color: #d1d0df; font-size: 14px; line-height: 1.65; border: 1px solid #ffffff16; padding: 15px 20px; border-radius: 22px 22px 4px 22px; margin: 26px 0 32px; background: #ffffff03; }
.story-chapter h2 { margin: 18px 0 20px; }
.chapter-copy { color: var(--soft); font-size: 16px; line-height: 1.8; max-width: 490px; }
.chapter-tags { font-size: 12px; line-height: 1.8; color: #9d8eba; margin: 7px 0 24px; }
.chapter-link { color: #d5bde9; font-size: 13px; display: inline-block; padding-block: 12px; }
.story-stage { position: sticky; top: 92px; height: calc(100svh - 112px); display: grid; align-items: center; }
.story-stage-inner { display: flex; align-items: center; flex-direction: column; position: relative; isolation: isolate; padding: 20px 0; }
.story-stage-heading { display: flex; justify-content: space-between; width: 100%; color: #8a8da8; font-size: 11px; margin-bottom: 22px; }
.story-stage .presentation-phone { width: min(285px, 27vw, calc((100svh - 245px) * .46)); }
.story-halo { position: absolute; z-index: -1; width: 100%; aspect-ratio: 1; top: 10%; border-radius: 50%; background: radial-gradient(circle, #7161af28, transparent 70%); }
.story-dots { display: flex; gap: 16px; margin-top: 26px; }
.story-dots a { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 50%; color: #727891; font-size: 11px; border: 1px solid #ffffff12; transition: color .3s, background .3s; }
.story-dots a[aria-current] { color: #211834; background: #cab6e7; }
.chapter-mobile-screen { display: none; }
.presentation #features { padding: 88px 0; border-block: 1px solid #ffffff13; background: #ffffff02; }
.presentation #features .section-heading { max-width: 670px; }
.presentation .section-kicker { font-size: 11px; letter-spacing: .08em; }
.presentation .section-heading p { font-size: 16px; }
.presentation .feature-card { min-height: 365px; padding: 18px; background: linear-gradient(145deg,#22253a,#15192b); border-radius: 20px; }
.presentation .feature-card h3 { font-size: 17px; margin-top: 17px; }
.presentation .feature-card p { font-size: 14px; }
.presentation .feature-icon { display: none; }
.feature-art { height: 135px; overflow: hidden; position: relative; background: #141725; border-radius: 12px; margin-bottom: 3px; }
.feature-art img { width: 68%; margin: 0 auto; border-radius: 16px; transform: translateY(-35px); }
.feature-art-symbol { display: grid; place-items: center; background: radial-gradient(ellipse at center,#8170b630,#171a2c 70%); }
.feature-art-symbol span { font-size: 60px; font-weight: 300; color: #c7b2e8; }
.presentation .feature-art::after { content: ''; position: absolute; inset: auto 0 0; height: 35px; background: linear-gradient(transparent,#171a2c); }
.start-scene { padding: 115px 0; }
.start-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 120px; align-items: center; }
.start-layout h2 { max-width: 500px; }
.start-layout p { color: var(--soft); line-height: 1.8; font-size: 16px; max-width: 450px; }
.birth-steps { list-style: none; padding: 0; margin: 0; }
.birth-steps li { display: flex; gap: 25px; padding: 24px 0; border-bottom: 1px solid #ffffff14; }
.birth-steps li > span { color: #a595be; font-size: 12px; margin-top: 3px; }
.birth-steps strong { font-size: 16px; font-weight: 500; }
.birth-steps p { margin: 9px 0 0; font-size: 13px; }
.conversation-faq { padding: 95px 0; border-block: 1px solid #ffffff13; }
.faq-conversation-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 100px; }
.faq-conversation-layout h2 { margin-top: 20px; }
.conversation-answers details { border-bottom: 1px solid #ffffff18; }
.conversation-answers summary { font-size: 15px; line-height: 1.6; padding: 22px 30px 22px 0; cursor: pointer; list-style: none; position: relative; }
.conversation-answers summary::after { content: '+'; position: absolute; right: 0; color: var(--violet-light); }
.conversation-answers details[open] summary::after { content: '−'; }
.conversation-answers p { color: var(--soft); font-size: 14px; line-height: 1.85; padding-bottom: 20px; }
.download-scene { text-align: center; padding: 110px 0; background: radial-gradient(ellipse at bottom,#7161af19,transparent 70%); }
.download-icon { width: 62px; border-radius: 20px; margin: 0 auto 25px; }
.download-scene h2 { max-width: 700px; margin: 0 auto 24px; }
.download-scene p:not(.section-kicker) { color: var(--soft); font-size: 16px; line-height: 1.8; }
.download-note { display: block; margin-top: 30px; color: #7c809c; font-size: 11px; }
.presentation .site-footer { background: #080b17; }
.type-accessible { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.type-visual { position: relative; }
.is-typing .type-visual::after { content: ''; display: inline-block; width: 2px; height: .85em; margin-left: 5px; background: #cdb7eb; vertical-align: -.05em; animation: cursor-blink .75s steps(2,end) infinite; }
[data-type] { min-height: 1.22em; }
@keyframes cursor-blink { 50% { opacity: 0; } }
@media (max-width: 980px) {
  .presentation .site-nav { margin-left: 0; top: 72px; }
  .presentation .motion-toggle { margin-left: auto; }
  .intro-layout { gap: 30px; grid-template-columns: 1fr 1fr; }
  .intro-demo .presentation-phone { width: 220px; }
  .story-layout { gap: 50px; }
  .start-layout, .faq-conversation-layout { gap: 50px; }
  .demo-coordinate { display: none; }
  .demo-orbit { width: 330px; }
}
@media (max-width: 640px) {
  .presentation .container { width: calc(100% - 40px); }
  .presentation .brand > span > span { display: none; }
  .presentation .nav-wrap { min-height: 64px; gap: 12px; }
  .presentation .site-nav { top: 64px; }
  .presentation .motion-toggle { padding: 9px 10px; font-size: 10px; }
  .presentation h1 { font-size: 34px; line-height: 1.23; margin: 14px 0 20px; }
  .presentation h2 { font-size: 26px; line-height: 1.3; }
  .intro-scene { padding: 32px 0 24px; }
  .intro-layout { grid-template-columns: 1fr; gap: 34px; }
  .intro-greeting { font-size: 14px; margin-top: 24px; }
  .intro-description { font-size: 15px; line-height: 1.65; }
  .intro-actions { margin-top: 24px; gap: 16px; }
  .intro-actions .button { font-size: 12px; padding-inline: 16px; }
  .intro-platforms { margin-top: 22px; gap: 9px; font-size: 10px; }
  .intro-platforms span + span::before { margin-right: 9px; }
  .intro-demo .presentation-phone { width: 205px; }
  .demo-select { margin-top: 18px; }
  .demo-select button { min-width: 61px; }
  .demo-caption { max-width: 320px; }
  .scene-scroll { width: calc(100% - 40px); margin-top: 24px; }
  .story-section { padding: 15px 0 45px; }
  .story-layout { display: block; }
  .story-stage { display: none; }
  .story-chapter { min-height: auto; padding: 48px 0; border-bottom: 1px solid #ffffff10; }
  .visitor-question { font-size: 12px; padding: 12px 16px; margin: 20px 0 28px; }
  .chapter-copy { font-size: 15px; line-height: 1.7; }
  .chapter-tags { font-size: 11px; }
  .chapter-mobile-screen { display: block; width: 205px; height: auto; border-radius: 25px; margin: 24px auto 0; align-self: center; border: 5px solid #4a445e; box-shadow: 0 20px 55px #0005; }
  .presentation #features { padding: 52px 0; }
  .presentation .feature-card { min-height: 340px; }
  .start-scene, .conversation-faq { padding: 60px 0; }
  .start-layout, .faq-conversation-layout { grid-template-columns: 1fr; gap: 28px; }
  .start-layout p { font-size: 15px; }
  .birth-steps li { padding: 18px 0; }
  .birth-steps p { font-size: 13px; }
  .download-scene { padding: 64px 0; }
  .download-scene p:not(.section-kicker) { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  .is-typing .type-visual::after { display: none; }
}
.type-root { position: relative; }
.type-reserve { display: block; visibility: hidden; }
.type-root .type-visual { position: absolute; inset: 0; }
.motion-toggle:disabled { opacity: .6; cursor: default; }
.presentation::after { display: none; }
/* Cosmic atmosphere follows the pointer behind the presentation content. */
.presentation .pointer-aura { width: 540px; height: 540px; filter: blur(24px); background: radial-gradient(ellipse at 40% 45%, #bfa2ff30, #7266e626 34%, #f4c2e612 53%, transparent 72%); transform: translate3d(calc(var(--pointer-x) - 270px), calc(var(--pointer-y) - 270px), 0); }
.presentation .pointer-aura::before, .presentation .pointer-aura::after { content: ''; position: absolute; inset: 45px 20px 80px; border-radius: 45% 55% 60% 40%; background: radial-gradient(ellipse, #bfa2ff22, transparent 68%); animation: pointer-fog 12s ease-in-out infinite alternate; }
.presentation .pointer-aura::after { inset: 110px 60px 20px; background: radial-gradient(ellipse, #f4c2e61c, transparent 70%); animation-duration: 17s; animation-direction: alternate-reverse; }
.presentation .ambient-orb { opacity: .09; }
.presentation .planet-orbit { --orbit-size: 450px; position: absolute; width: var(--orbit-size); height: var(--orbit-size); aspect-ratio: 1; z-index: -1; border-radius: 50%; border: 1px solid #bfa2ff38; background: none; left: calc(50% - var(--orbit-size) / 2); top: 38px; animation: cosmic-orbit 30s linear infinite; }
.presentation .planet-orbit::before, .presentation .planet-orbit::after { content: ''; position: absolute; width: 17px; height: 17px; border-radius: 50%; top: calc(50% - 8.5px); background: radial-gradient(circle at 28% 25%, #f7e4f2, #b68aca 55%, #685082); box-shadow: 0 0 20px #f4c2e64d; }
.presentation .planet-orbit::before { left: -8.5px; }
.presentation .planet-orbit::after { right: -6px; width: 12px; height: 12px; top: calc(50% - 6px); background: radial-gradient(circle at 28% 25%, #ffeaba, #d9ab4f 55%, #755322); box-shadow: 0 0 17px #ffd05a44; }
.presentation .planet-orbit.orbit-inner { --orbit-size: 350px; top: 88px; border-color: #bfa2ff22; animation-duration: 22s; animation-direction: reverse; }
.presentation .orbit-inner::before { background: radial-gradient(circle at 28% 25%, #dcecff, #8d9adf 55%, #51518d); box-shadow: 0 0 22px #8d9adf55; width: 13px; height: 13px; left: -6.5px; top: calc(50% - 6.5px); }
.presentation .orbit-inner::after { width: 7px; height: 7px; right: -3.5px; top: calc(50% - 3.5px); background: #f4c2e6; }
.presentation .stage-orbit { --orbit-size: min(450px, 34vw, calc((100svh - 245px) * .68)); top: 50%; margin-top: calc(var(--orbit-size) / -2); }
.presentation .stage-orbit.orbit-inner { --orbit-size: min(350px, 27vw, calc((100svh - 245px) * .53)); top: 50%; }
@keyframes cosmic-orbit { to { transform: rotate(360deg); } }
@keyframes pointer-fog { from { transform: translate(-18px, 12px) rotate(-12deg) scale(.92); } to { transform: translate(22px, -16px) rotate(18deg) scale(1.08); } }
@media (max-width: 980px) {
  .presentation .intro-demo .planet-orbit { --orbit-size: 350px; top: 64px; }
  .presentation .intro-demo .planet-orbit.orbit-inner { --orbit-size: 280px; top: 99px; }
}
@media (max-width: 640px) {
  .presentation .intro-demo .planet-orbit { --orbit-size: 320px; top: 62px; }
  .presentation .intro-demo .planet-orbit.orbit-inner { --orbit-size: 250px; top: 97px; }
  .presentation .ambient-orb.three { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .presentation .pointer-aura, .presentation .comet { display: none; }
  .presentation .planet-orbit { animation: none; }
}

/* Screenshot stays beneath video until playback actually starts. */
.phone-video { position: absolute; inset: 7px; width: calc(100% - 14px); height: calc(100% - 14px); object-fit: cover; border-radius: 33px; opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.presentation-phone.is-video-playing .phone-video { opacity: 1; }
.phone-video-toggle { display: none; position: absolute; z-index: 2; top: 14px; right: 14px; width: 32px; height: 32px; border-radius: 50%; border: 1px solid #ffffff33; background: #0d1020cc; color: white; font-size: 14px; cursor: pointer; }
.presentation-phone.has-video .phone-video-toggle { display: grid; place-items: center; }
.chapter-mobile-frame { display: none; }
@media (max-width: 640px) {
  .chapter-mobile-frame { display: block; width: 205px; margin: 24px auto 0; align-self: center; }
}
@media (prefers-reduced-motion: reduce) {
  .phone-video, .phone-video-toggle { display: none !important; }
}