@charset "UTF-8";

:root {
  --page: #edf2f8;
  --page-deep: #e6edf5;
  --ink: #0b1720;
  --ink-soft: #314b5d;
  --muted: #5d7180;
  --line: rgba(110, 141, 163, 0.18);
  --white: #ffffff;
  --accent: #18c8dd;
  --accent-strong: #5a54f6;
  --mint: #19e5b8;
  --dark: #031016;
  --dark-card: #0d242b;
  --radius-card: 24px;
  --shadow-soft: 0 22px 60px rgba(48, 72, 101, 0.1);
  --ease: cubic-bezier(.22, 1, .36, 1);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--page); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--page); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.page-shell { overflow: clip; }

.site-nav {
  position: fixed;
  z-index: 30;
  top: 28px;
  left: 50%;
  display: flex;
  align-items: center;
  width: min(1248px, calc(100% - 48px));
  height: 64px;
  padding: 0 14px 0 18px;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 32px;
  background: rgba(255, 255, 255, .76);
  box-shadow: 0 10px 30px rgba(59, 74, 107, .09);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  transform: translateX(-50%);
  transition: background .35s ease, box-shadow .35s ease, top .35s ease;
}

.site-nav.scrolled { top: 16px; background: rgba(255, 255, 255, .9); box-shadow: 0 14px 34px rgba(43, 64, 90, .14); }

.brand { display: inline-flex; align-items: center; gap: 10px; padding-right: 16px; font-size: 18px; font-weight: 600; white-space: nowrap; }
.brand img { width: 32px; height: 32px; }
.nav-links { display: flex; align-items: center; gap: 34px; margin-left: auto; color: #3d455c; font-size: 14px; white-space: nowrap; }
.nav-links a { position: relative; padding: 7px 0; }
.nav-links a::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; background: var(--accent-strong); content: ""; transform: scaleX(0); transform-origin: right; transition: transform .28s ease; }
.nav-links a:hover::after, .nav-links a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 12px 9px; border: 0; border-radius: 50%; background: rgba(9, 19, 32, .08); cursor: pointer; }
.menu-toggle span { display: block; height: 1px; margin: 5px 0; background: var(--ink); transition: transform .25s ease; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 13px 22px; border: 0; border-radius: 26px; font-size: 15px; font-weight: 600; line-height: 1; white-space: nowrap; cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s ease, background .25s ease; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0) scale(.98); }
.button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid rgba(26, 190, 222, .45); outline-offset: 3px; }
.button-dark { min-height: 44px; padding: 11px 22px; border-radius: 24px; color: #fff; background: #0e1121; }
.button-dark:hover { box-shadow: 0 10px 24px rgba(14, 17, 33, .22); }
.button-gradient { color: #fff; background: linear-gradient(100deg, #141a30 0%, #4233a8 55%, #29adcc 100%); box-shadow: 0 10px 22px rgba(79, 74, 214, .22); }
.button-gradient:hover { box-shadow: 0 16px 28px rgba(79, 74, 214, .28); }
.button-ghost { color: #1a1f30; border: 1px solid rgba(125, 130, 153, .35); background: rgba(255, 255, 255, .56); }
.button-ghost:hover { background: rgba(255, 255, 255, .85); }

.hero { position: relative; min-height: 1040px; overflow: hidden; isolation: isolate; background: var(--page); }
.soundfield-canvas { position: absolute; z-index: 0; inset: 0; display: block; width: 100%; height: 100%; pointer-events: none; opacity: .72; filter: saturate(1.08); }
.hero-background { position: absolute; inset: 0; z-index: -4; background: linear-gradient(110deg, #f6f9fd 0%, #ecf0f8 52%, #f3f6fb 100%); }
.hero::after { position: absolute; inset: 0; z-index: -1; pointer-events: none; content: ""; background: radial-gradient(circle at 50% 29%, rgba(112, 101, 250, .08), transparent 28%), linear-gradient(180deg, transparent 62%, rgba(228, 236, 248, .28)); }
.hero-glow { position: absolute; z-index: -3; pointer-events: none; object-fit: contain; }
.hero-glow-blue { top: 105px; left: 50%; width: 610px; height: 610px; transform: translateX(-50%); opacity: .88; }
.hero-glow-green { top: 520px; left: 50%; width: 320px; height: 320px; transform: translateX(-50%); opacity: .7; }
.hero-rings { position: absolute; z-index: -2; top: 340px; left: 50%; width: 1010px; height: 1010px; transform: translate(-50%, -50%); pointer-events: none; }
.hero-ring { position: absolute; top: 50%; left: 50%; width: var(--ring-size); height: var(--ring-size); object-fit: contain; transform: translate(-50%, -50%); animation: ring-pulse 3.2s ease-in-out infinite; }
.ring-1 { --ring-size: 430px; animation-delay: -.3s; }
.ring-2 { --ring-size: 560px; animation-delay: -.55s; }
.ring-3 { --ring-size: 700px; animation-delay: -.8s; }
.ring-4 { --ring-size: 850px; animation-delay: -1.05s; }
.ring-5 { --ring-size: 1010px; animation-delay: -1.3s; }

.hero-copy { position: relative; z-index: 3; width: min(1200px, calc(100% - 48px)); margin: 0 auto; padding-top: 148px; text-align: center; }
.eyebrow { display: block; color: #0c98be; font-size: 12px; font-weight: 600; letter-spacing: .28em; line-height: 1.35; }
.eyebrow-pill { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border: 1px solid rgba(156, 158, 255, .32); border-radius: 20px; color: #332e8c; letter-spacing: 0; background: rgba(255, 255, 255, .72); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #5a54f6; box-shadow: 0 0 0 5px rgba(90, 84, 246, .07); }
.hero-title { position: relative; z-index: 2; margin: 24px auto 0; color: #0b0e17; font-size: clamp(44px, 5.1vw, 66px); font-weight: 600; letter-spacing: -.055em; line-height: 1.27; }
.hero-title span { color: transparent; background: linear-gradient(100deg, #594ff5 0%, #7859f5 55%, #29b5e5 100%); -webkit-background-clip: text; background-clip: text; }
.echo-gesture { position: absolute; top: 72px; right: 13%; width: 72px; height: 44px; animation: gesture-float 3.2s ease-in-out infinite; }
.hero-subtitle { margin: 24px auto 0; color: #3d455c; font-size: 18px; line-height: 31px; }
.proof-points { display: flex; justify-content: center; gap: 10px; margin-top: 26px; }
.proof-points span { display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border: 1px solid rgba(178, 189, 214, .24); border-radius: 18px; color: #333b4f; font-size: 13px; background: rgba(255, 255, 255, .76); }
.proof-points i { width: 6px; height: 6px; border-radius: 50%; background: #5854f7; }
.hero-actions { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.privacy-note { margin: 23px 0 0; color: #5c6680; font-size: 12px; }

.hero-stage { position: absolute; z-index: 2; top: 650px; left: 50%; width: min(900px, calc(100% - 64px)); height: 500px; transform: translateX(-50%); }
.stage-art { position: absolute; top: -6%; left: -5.56%; width: 111.11%; height: 120%; border: 0; border-radius: 0; object-fit: fill; pointer-events: none; }
.hero-waveform { position: absolute; z-index: 2; top: -58px; left: 50%; width: 420px; height: 42px; transform: translateX(-50%); animation: waveform-breathe 2.8s ease-in-out infinite; }
.hero-waveform img { width: 100%; height: 100%; }
.waiting-label { position: absolute; z-index: 2; top: -34px; left: 50%; margin: 0; color: #40408f; font-size: 13px; transform: translateX(-50%); white-space: nowrap; }
.device { position: absolute; border: 1px solid rgba(168, 240, 255, .2); border-radius: 58px; background: linear-gradient(98deg, #1a2e38 0%, #08141c 100%); box-shadow: 0 22px 44px rgba(43, 56, 107, .2); }
.device-hero { top: 25px; left: calc(50% - 210px); width: 420px; height: 760px; }
.device-screen { position: absolute; inset: 14px; overflow: hidden; border-radius: 46px; background: linear-gradient(98deg, #06131b 0%, #03090e 100%); }
.device-status { position: absolute; top: 24px; right: 28px; left: 28px; display: flex; justify-content: space-between; color: #d4ebf2; font-size: 12px; }
.device-status span:last-child { color: #54f2bf; font-size: 11px; }
.sound-orb { position: absolute; top: 114px; left: 76px; width: 238px; height: 238px; object-fit: contain; animation: orb-breathe 2.8s ease-in-out infinite; }
.orb-time { position: absolute; top: 196px; left: 0; width: 100%; color: #f0ffff; font-size: 46px; font-weight: 500; letter-spacing: -.05em; text-align: center; }
.device-hint { position: absolute; top: 365px; left: 0; width: 100%; margin: 0; color: #94c2d1; font-size: 14px; text-align: center; }
.device-save { position: absolute; top: 470px; left: 30px; width: 330px; height: 72px; border: 0; border-radius: 28px; color: #051a21; background: linear-gradient(100deg, #21cffa, #1ff2b8); box-shadow: 0 18px 34px -14px rgba(15, 207, 217, .3); cursor: pointer; font-size: 17px; font-weight: 600; transition: transform .24s ease, filter .24s ease; }
.device-save:hover { filter: saturate(1.1); transform: translateY(-2px); }
.device-save:active { transform: scale(.98); }
.device-save.is-saved { background: linear-gradient(100deg, #8efce0, #c5fff0); }
.device-footnote { position: absolute; top: 574px; left: 45px; width: 300px; margin: 0; color: #598a9c; font-size: 12px; line-height: 20px; text-align: center; }
.saved-card { position: absolute; z-index: 4; top: 156px; right: 102px; display: flex; align-items: center; gap: 12px; width: 282px; min-height: 86px; padding: 14px 18px 14px 16px; border: 1px solid rgba(107, 240, 229, .24); border-radius: 24px; color: #e5fcf7; background: rgba(8, 28, 36, .86); box-shadow: 0 12px 26px rgba(54, 59, 99, .2); transform: rotate(2.2deg); animation: saved-float 3.4s ease-in-out infinite; }
.saved-card img { width: 34px; height: 34px; flex: 0 0 auto; }
.saved-card strong, .saved-card span { display: block; white-space: nowrap; }
.saved-card strong { font-size: 14px; font-weight: 600; }
.saved-card span { margin-top: 4px; color: #78b2b8; font-size: 11px; }

.section { position: relative; padding: 86px max(24px, calc((100% - 1248px) / 2)) 110px; }
.value-section, .capabilities-section, .flow-section, .cases-section { background: linear-gradient(125deg, #eef3f8 0%, #e8f0f6 100%); }
.value-section { min-height: 620px; }
.value-section::after { position: absolute; top: -180px; right: -20px; width: 420px; height: 420px; border: 1px solid rgba(85, 148, 174, .13); border-radius: 50%; content: ""; }
.section-heading { position: relative; z-index: 1; }
.split-heading { display: grid; grid-template-columns: 1.35fr .85fr; gap: 80px; align-items: start; }
.section-heading .eyebrow { margin-bottom: 24px; }
.section-heading h2 { margin: 0; color: var(--ink); font-size: clamp(35px, 4vw, 50px); font-weight: 600; letter-spacing: -.055em; line-height: 1.18; }
.section-heading p { margin: 55px 0 0; color: var(--ink-soft); font-size: 15px; line-height: 1.85; }
.timeline-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 92px; }
.timeline-grid::before { position: absolute; top: 70px; right: 8%; left: 8%; height: 2px; background: rgba(37, 196, 218, .33); content: ""; }
.step-card { position: relative; z-index: 1; min-height: 164px; padding: 20px 22px; border: 1px solid rgba(187, 201, 214, .3); border-radius: 24px; background: rgba(255, 255, 255, .8); box-shadow: 0 14px 32px rgba(64, 96, 122, .07); transition: transform .3s var(--ease), box-shadow .3s ease; }
.step-card:hover { transform: translateY(-6px); box-shadow: 0 22px 42px rgba(64, 96, 122, .13); }
.step-card span, .privacy-card > span, .flow-step > span { color: #00a4c8; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.step-card h3 { margin: 9px 0 24px; font-size: 18px; font-weight: 600; }
.step-card p { margin: 0; color: #426174; font-size: 13px; }

.capabilities-section { min-height: 1760px; }
.feature-stack { display: grid; gap: 28px; margin-top: 82px; }
.feature-card { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; min-height: 408px; padding: 56px; border: 1px solid rgba(187, 201, 214, .33); border-radius: 24px; background: rgba(255, 255, 255, .86); box-shadow: 0 16px 42px rgba(64, 96, 122, .07); }
.feature-card-reverse .feature-copy { order: 2; }
.feature-card-reverse .feature-visual { order: 1; }
.feature-copy { display: flex; flex-direction: column; justify-content: center; }
.feature-number { color: #00a4c8; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; letter-spacing: .08em; }
.feature-copy h3 { margin: 30px 0 21px; color: #0b202b; font-size: 28px; font-weight: 600; letter-spacing: -.045em; line-height: 1.35; }
.feature-copy p { margin: 0; color: #496779; font-size: 14px; line-height: 1.9; }
.feature-copy small { margin-top: 30px; color: #008eae; font-size: 12px; }
.feature-visual { position: relative; align-self: center; min-height: 280px; overflow: hidden; border-radius: 22px; background: #07323c; }
.retro-visual { display: flex; align-items: center; justify-content: space-evenly; background: radial-gradient(circle at 32% 42%, #20e7d5 0, rgba(20, 205, 224, .45) 15%, transparent 34%), linear-gradient(110deg, #061f2a, #063944); }
.mini-orb { position: relative; width: 148px; height: 148px; }
.mini-orb img { width: 100%; height: 100%; }
.mini-orb span { position: absolute; inset: 0; display: grid; place-items: center; color: #f0ffff; font-size: 24px; }
.retro-visual button { width: 160px; height: 48px; border: 0; border-radius: 18px; color: #061823; background: linear-gradient(100deg, #21cffa, #1ff2b8); font-size: 13px; font-weight: 600; }
.record-visual { padding: 54px 28px 24px; background: linear-gradient(105deg, #082b37, #073f47); }
.line-wave { height: 70px; opacity: .85; background: repeating-linear-gradient(115deg, transparent 0 13px, #29d1d4 13px 15px, transparent 15px 27px); clip-path: polygon(0 52%, 5% 48%, 8% 67%, 11% 17%, 15% 84%, 19% 34%, 23% 72%, 27% 11%, 31% 78%, 36% 31%, 40% 60%, 45% 13%, 50% 75%, 55% 22%, 61% 68%, 66% 32%, 72% 79%, 77% 16%, 84% 63%, 90% 34%, 95% 65%, 100% 50%, 100% 54%, 0 58%); }
.record-time { margin-top: 18px; color: #d8f4f5; font-size: 18px; }
.record-time span { margin-left: 10px; color: #a7f5e4; font-size: 13px; }
.transcript-box { margin-top: 18px; padding: 14px 18px; border: 1px solid rgba(142, 235, 224, .2); border-radius: 17px; color: #d8f4f5; background: rgba(255, 255, 255, .08); }
.transcript-box b { color: #a7f5e4; font-size: 11px; font-weight: 500; }
.transcript-box p { margin: 9px 0 0; color: #c1e4e7; font-size: 11px; line-height: 1.7; }
.history-visual { padding: 28px; color: #c8eced; background: linear-gradient(110deg, #062b33, #083b42); }
.history-title { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.history-title span { display: grid; width: 30px; height: 30px; place-items: center; border: 1px solid rgba(102, 239, 222, .4); border-radius: 10px; color: #a8fff0; }
.history-row { display: flex; justify-content: space-between; gap: 14px; padding: 20px 0 13px; border-bottom: 1px solid rgba(186, 241, 237, .2); color: #9bc9ca; font-size: 11px; }
.history-row b { color: #bceaea; font-weight: 500; white-space: nowrap; }

.privacy-section { min-height: 760px; color: #dcfff9; background: radial-gradient(circle at 78% 15%, rgba(15, 106, 115, .25), transparent 32%), #031016; }
.privacy-section .section-heading h2 { color: #d6fff8; }
.privacy-section .section-heading p { color: #8cb7c1; }
.privacy-section .eyebrow { color: #33ded3; }
.privacy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 88px; }
.privacy-card { min-height: 250px; padding: 28px; border: 1px solid rgba(89, 208, 208, .22); border-radius: 24px; background: rgba(18, 43, 49, .68); transition: transform .3s var(--ease), border-color .3s ease; }
.privacy-card:hover { transform: translateY(-6px); border-color: rgba(89, 208, 208, .52); }
.privacy-card h3 { margin: 12px 0 26px; color: #d5fff7; font-size: 23px; font-weight: 500; }
.privacy-card p { margin: 0; color: #8dbac2; font-size: 14px; line-height: 1.9; }

.flow-section { min-height: 760px; }
.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; margin-top: 88px; }
.flow-step { min-height: 228px; padding: 24px; border: 1px solid rgba(188, 202, 215, .36); border-radius: 24px; background: rgba(255, 255, 255, .84); transition: transform .45s var(--ease), border-color .45s ease, color .45s ease, background .45s ease, box-shadow .45s ease; }
.flow-step h3 { margin: 12px 0 24px; font-size: 20px; font-weight: 600; }
.flow-step p { margin: 0; color: #4e6b7a; font-size: 13px; line-height: 1.8; }
.flow-step.active { border-color: transparent; color: #071821; background: linear-gradient(135deg, #16bad6, #1ce7b4); box-shadow: 0 16px 30px rgba(19, 192, 203, .22); transform: translateY(-4px); }
.flow-step.active > span, .flow-step.active p { color: rgba(5, 40, 49, .78); }

.cases-section { min-height: 720px; }
.cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 82px; }
.case-card { min-height: 276px; padding: 24px 26px; border: 1px solid rgba(162, 202, 218, .36); border-radius: 24px; background: #e0f8ff; box-shadow: 0 16px 28px rgba(71, 113, 138, .08); transition: transform .3s var(--ease), box-shadow .3s ease; }
.case-card:hover { transform: translateY(-7px); box-shadow: 0 22px 38px rgba(71, 113, 138, .15); }
.case-card span { color: #057f9f; font-size: 13px; font-weight: 600; }
.case-card h3 { margin: 30px 0 28px; color: #09232e; font-size: 20px; font-weight: 600; line-height: 1.45; }
.case-card p { margin: 0; color: #4e7585; font-size: 12px; }
.case-mint { background: #e0fbf4; border-color: rgba(101, 221, 196, .3); }
.case-blue { background: #e3efff; border-color: rgba(123, 173, 235, .28); }
.case-aqua { background: #e1faf8; border-color: rgba(111, 211, 211, .3); }

.final-cta { position: relative; min-height: 760px; overflow: hidden; isolation: isolate; display: flex; flex-direction: column; align-items: center; padding: 120px 24px 90px; color: #d8fff9; text-align: center; background: radial-gradient(circle at 50% 48%, #063440 0%, #031016 44%, #020a0e 100%); }
.final-cta .eyebrow { color: #30ded2; }
.final-cta h2 { position: relative; z-index: 1; margin: 28px 0 28px; color: #c4fff7; font-size: clamp(42px, 5vw, 64px); font-weight: 500; letter-spacing: -.06em; line-height: 1.18; }
.final-cta p { position: relative; z-index: 1; margin: 0; color: #9ac4ca; font-size: 15px; line-height: 1.75; }
.final-cta .button { position: relative; z-index: 1; min-width: 280px; margin-top: 46px; color: #05202a; background: linear-gradient(100deg, #21cffa, #1ff2b8); box-shadow: 0 18px 36px rgba(0, 210, 206, .18); }
.final-cta small { position: relative; z-index: 1; margin-top: 28px; color: #6d9fa7; font-size: 12px; }
.cta-rings { position: absolute; top: 50%; left: 50%; width: min(1020px, 90vw); height: min(1020px, 90vw); pointer-events: none; transform: translate(-50%, -50%); }
.cta-rings i { position: absolute; top: 50%; left: 50%; width: var(--size); height: var(--size); border: 1px solid rgba(31, 198, 210, .28); border-radius: 50%; transform: translate(-50%, -50%); animation: ring-pulse 4.3s ease-in-out infinite; }
.cta-rings i:nth-child(1) { --size: 620px; }
.cta-rings i:nth-child(2) { --size: 820px; animation-delay: -.8s; }
.cta-rings i:nth-child(3) { --size: 1020px; animation-delay: -1.6s; opacity: .65; }

.site-footer { display: flex; align-items: center; justify-content: space-between; min-height: 180px; padding: 42px max(24px, calc((100% - 1248px) / 2)); color: #a9cbd0; background: #020a0e; border-top: 1px solid rgba(102, 190, 198, .18); }
.footer-brand { display: flex; align-items: flex-start; gap: 14px; }
.footer-brand img { width: 32px; height: 32px; filter: saturate(.8); }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand strong { color: #d9f9f6; font-size: 16px; font-weight: 600; }
.footer-brand span { margin-top: 9px; color: #628f97; font-size: 12px; }
.footer-meta { display: flex; gap: 22px; color: #6f9ea5; font-size: 12px; }
.footer-meta button { padding: 0; border: 0; color: inherit; background: transparent; cursor: pointer; }
.footer-meta a:hover, .footer-meta button:hover { color: #c4fff7; }

.waitlist-modal { width: min(440px, calc(100% - 32px)); padding: 0; border: 0; border-radius: 28px; color: var(--ink); background: transparent; box-shadow: 0 28px 100px rgba(3, 16, 22, .3); }
.waitlist-modal::backdrop { background: rgba(2, 12, 18, .52); backdrop-filter: blur(7px); }
.modal-card, .modal-success { position: relative; padding: 42px; border: 1px solid rgba(255, 255, 255, .72); border-radius: 28px; background: rgba(247, 251, 255, .96); }
.modal-card h2, .modal-success h2 { margin: 24px 0 18px; color: #0b1720; font-size: 34px; font-weight: 600; letter-spacing: -.055em; line-height: 1.25; }
.modal-card p, .modal-success p { margin: 0 0 24px; color: #506c7a; font-size: 14px; line-height: 1.7; }
.modal-card label { display: block; margin-bottom: 8px; color: #213945; font-size: 13px; font-weight: 600; }
.modal-card input { width: 100%; height: 50px; margin-bottom: 16px; padding: 0 16px; border: 1px solid rgba(80, 130, 150, .28); border-radius: 15px; color: var(--ink); background: rgba(255, 255, 255, .8); }
.modal-card .button { width: 100%; }
.modal-card small { display: block; margin-top: 16px; color: #718994; font-size: 11px; text-align: center; }
.modal-close { position: absolute; top: 16px; right: 17px; width: 34px; height: 34px; border: 0; border-radius: 50%; color: #57707c; background: rgba(92, 126, 140, .1); cursor: pointer; font-size: 22px; line-height: 1; }
.modal-success { text-align: center; }
.modal-success .button { width: 100%; margin-top: 22px; }
.success-mark { display: grid; width: 52px; height: 52px; margin: 0 auto; place-items: center; border-radius: 50%; color: #04312c; background: linear-gradient(135deg, #20d9dd, #1ff2b8); font-size: 27px; }

body.motion-ready .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
body.motion-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }
body.motion-ready .reveal-delay-1 { transition-delay: .08s; }
body.motion-ready .reveal-delay-2 { transition-delay: .16s; }
body.motion-ready .reveal-delay-3 { transition-delay: .24s; }
body.motion-ready .reveal-delay-4 { transition-delay: .32s; }
body.motion-ready .hero-stage.reveal { transform: translateX(-50%) translateY(24px); }
body.motion-ready .hero-stage.reveal.is-visible { transform: translateX(-50%) translateY(0); }

@keyframes ring-pulse { 0%, 100% { opacity: .72; transform: translate(-50%, -50%) scale(.98); } 50% { opacity: 1; transform: translate(-50%, -50%) scale(1.045); } }
@keyframes gesture-float { 0%, 100% { transform: translate3d(0, 0, 0) rotate(0); } 50% { transform: translate3d(7px, -4px, 0) rotate(7deg); } }
@keyframes waveform-breathe { 0%, 100% { opacity: .65; transform: translateX(-50%) scaleY(.82); } 50% { opacity: 1; transform: translateX(-50%) scaleY(1); } }
@keyframes orb-breathe { 0%, 100% { transform: scale(.98); filter: saturate(.95); } 50% { transform: scale(1.035); filter: saturate(1.1); } }
@keyframes saved-float { 0%, 100% { transform: rotate(2.2deg) translateY(0); } 50% { transform: rotate(1deg) translateY(-7px); } }

@media (max-width: 1080px) {
  .site-nav { width: calc(100% - 32px); }
  .split-heading { gap: 40px; }
  .feature-card { gap: 34px; padding: 42px; }
  .saved-card { right: 54px; }
}

@media (max-width: 820px) {
  .site-nav { top: 16px; height: 58px; padding-left: 14px; border-radius: 29px; }
  .site-nav.scrolled { top: 10px; }
  .nav-links { position: absolute; top: calc(100% + 10px); right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px; border: 1px solid rgba(255, 255, 255, .86); border-radius: 20px; background: rgba(255, 255, 255, .92); box-shadow: 0 18px 42px rgba(39, 59, 81, .16); backdrop-filter: blur(18px); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 13px 14px; border-radius: 13px; }
  .nav-links a:hover { background: rgba(231, 240, 247, .8); }
  .nav-links a::after { display: none; }
  .nav-cta { margin-left: auto; min-height: 40px; padding: 10px 16px; font-size: 13px; }
  .menu-toggle { display: block; }
  .hero { min-height: 980px; }
  .soundfield-canvas { opacity: .6; }
  .hero-copy { width: min(100% - 32px, 620px); padding-top: 122px; }
  .hero-title { margin-top: 22px; font-size: clamp(38px, 9vw, 58px); line-height: 1.25; }
  .echo-gesture { top: 60px; right: 4%; transform: scale(.8); }
  .hero-subtitle { margin-top: 20px; font-size: 15px; line-height: 26px; }
  .proof-points { flex-wrap: wrap; max-width: 420px; margin-right: auto; margin-left: auto; }
  .hero-stage { top: 660px; width: calc(100% - 32px); height: 430px; }
  .device-hero { top: 18px; left: calc(50% - 178px); width: 356px; height: 644px; border-radius: 48px; }
  .device-screen { border-radius: 38px; }
  .sound-orb { top: 96px; left: 61px; width: 204px; height: 204px; }
  .orb-time { top: 169px; font-size: 39px; }
  .device-hint { top: 313px; font-size: 12px; }
  .device-save { top: 402px; left: 24px; width: calc(100% - 48px); height: 62px; font-size: 15px; }
  .device-footnote { top: 500px; left: 28px; width: calc(100% - 56px); font-size: 11px; }
  .saved-card { top: 134px; right: 16px; width: 246px; min-height: 76px; padding: 11px 14px; border-radius: 21px; }
  .saved-card strong { font-size: 12px; }
  .saved-card span { font-size: 10px; }
  .section { padding-right: 32px; padding-left: 32px; }
  .split-heading { grid-template-columns: 1fr; gap: 0; }
  .section-heading p { margin-top: 24px; }
  .timeline-grid, .privacy-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-grid { margin-top: 54px; }
  .timeline-grid::before { display: none; }
  .feature-card { grid-template-columns: 1fr; gap: 34px; padding: 30px; }
  .feature-card-reverse .feature-copy { order: 1; }
  .feature-card-reverse .feature-visual { order: 2; }
  .feature-copy h3 { margin-top: 22px; font-size: 25px; }
  .feature-visual { min-height: 250px; }
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .site-nav { width: calc(100% - 24px); }
  .brand { font-size: 16px; }
  .brand img { width: 29px; height: 29px; }
  .nav-cta { display: none; }
  .hero { min-height: 900px; }
  .soundfield-canvas { opacity: .52; }
  .hero-copy { padding-top: 108px; }
  .eyebrow-pill { font-size: 12px; }
  .hero-title { max-width: 350px; font-size: clamp(34px, 10.7vw, 48px); letter-spacing: -.065em; }
  .hero-title span { white-space: nowrap; }
  .echo-gesture { top: 50px; right: -3%; width: 60px; }
  .hero-subtitle { max-width: 350px; font-size: 14px; }
  .proof-points { gap: 7px; margin-top: 21px; }
  .proof-points span { padding: 7px 10px; font-size: 11px; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 280px; margin-right: auto; margin-left: auto; }
  .hero-actions .button { width: 100%; }
  .privacy-note { max-width: 300px; margin-right: auto; margin-left: auto; font-size: 10px; line-height: 1.6; }
  .hero-stage { top: 616px; width: calc(100% - 24px); height: 400px; }
  .hero-waveform { top: -50px; width: min(350px, 82vw); }
  .waiting-label { top: -29px; font-size: 11px; }
  .device-hero { top: 16px; left: calc(50% - 145px); width: 290px; height: 560px; border-radius: 42px; }
  .device-screen { inset: 11px; border-radius: 33px; }
  .device-status { top: 19px; right: 21px; left: 21px; font-size: 10px; }
  .device-status span:last-child { font-size: 9px; }
  .sound-orb { top: 84px; left: 48px; width: 194px; height: 194px; }
  .orb-time { top: 148px; font-size: 34px; }
  .device-hint { top: 283px; font-size: 11px; }
  .device-save { top: 362px; left: 20px; width: calc(100% - 40px); height: 55px; border-radius: 21px; font-size: 13px; }
  .device-footnote { top: 438px; left: 20px; width: calc(100% - 40px); font-size: 10px; line-height: 17px; }
  .saved-card { top: 118px; right: 0; width: 206px; min-height: 62px; gap: 8px; padding: 9px 10px; border-radius: 18px; }
  .saved-card img { width: 27px; height: 27px; }
  .saved-card strong { font-size: 10px; }
  .saved-card span { margin-top: 2px; font-size: 8px; }
  .section { padding: 70px 20px 80px; }
  .section-heading .eyebrow { margin-bottom: 19px; font-size: 10px; letter-spacing: .2em; }
  .section-heading h2 { font-size: 32px; line-height: 1.25; }
  .section-heading p { font-size: 13px; line-height: 1.75; }
  .timeline-grid, .privacy-grid, .cases-grid { grid-template-columns: 1fr; gap: 14px; }
  .timeline-grid { margin-top: 38px; }
  .step-card { min-height: 130px; padding: 18px; }
  .step-card h3 { margin: 7px 0 17px; font-size: 17px; }
  .step-card p { font-size: 12px; }
  .capabilities-section { min-height: auto; }
  .feature-stack { gap: 18px; margin-top: 46px; }
  .feature-card { min-height: 0; padding: 22px; border-radius: 20px; }
  .feature-number { font-size: 10px; }
  .feature-copy h3 { font-size: 23px; }
  .feature-copy p { font-size: 12px; line-height: 1.8; }
  .feature-copy small { margin-top: 22px; font-size: 10px; }
  .feature-visual { min-height: 215px; border-radius: 18px; }
  .mini-orb { width: 116px; height: 116px; }
  .mini-orb span { font-size: 20px; }
  .retro-visual button { width: 130px; height: 42px; border-radius: 15px; font-size: 11px; }
  .record-visual { padding: 36px 18px 18px; }
  .history-visual { padding: 20px; }
  .history-row { gap: 8px; padding-top: 15px; font-size: 9px; }
  .history-row b { font-size: 9px; }
  .privacy-section { min-height: auto; }
  .privacy-grid { margin-top: 46px; }
  .privacy-card { min-height: 180px; padding: 21px; }
  .privacy-card h3 { margin: 9px 0 18px; font-size: 21px; }
  .privacy-card p { font-size: 12px; }
  .flow-section { min-height: auto; }
  .flow-grid { grid-template-columns: 1fr; gap: 10px; margin-top: 45px; }
  .flow-step { min-height: 115px; padding: 18px; }
  .flow-step h3 { display: inline-block; margin: 0 0 8px 12px; font-size: 18px; }
  .flow-step p { margin-left: 27px; font-size: 12px; }
  .cases-section { min-height: auto; }
  .cases-grid { margin-top: 45px; }
  .case-card { min-height: 200px; padding: 20px; }
  .case-card h3 { margin: 22px 0 20px; font-size: 18px; }
  .final-cta { min-height: 650px; padding: 100px 20px 70px; }
  .final-cta h2 { font-size: 40px; }
  .final-cta p { font-size: 13px; }
  .final-cta p br { display: none; }
  .cta-rings { width: 760px; height: 760px; }
  .cta-rings i:nth-child(1) { --size: 450px; }
  .cta-rings i:nth-child(2) { --size: 620px; }
  .cta-rings i:nth-child(3) { --size: 760px; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 28px; padding: 38px 20px; }
  .footer-meta { flex-wrap: wrap; gap: 12px 18px; }
  .modal-card, .modal-success { padding: 34px 24px 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
  body.motion-ready .reveal { opacity: 1; transform: none; }
  .soundfield-canvas { opacity: .34; }
}

@media (prefers-reduced-transparency: reduce) {
  .site-nav, .eyebrow-pill, .proof-points span, .step-card, .feature-card, .flow-step { backdrop-filter: none; background: #fff; }
}