:root {
    color-scheme: light;
    --paper: #f3efe8;
    --paper-soft: #faf8f3;
    --ink: #1b1916;
    --ink-soft: rgba(27, 25, 22, 0.68);
    --ink-muted: rgba(27, 25, 22, 0.46);
    --line: rgba(27, 25, 22, 0.11);
    --line-strong: rgba(27, 25, 22, 0.2);
    --focus: #9fc0ce;
    --focus-deep: #456d7c;
    --unwind: #d5b8a8;
    --unwind-deep: #755b4d;
    --radius-sm: 12px;
    --radius-md: 24px;
    --radius-lg: 40px;
    --shadow: 0 24px 80px rgba(42, 35, 29, 0.1);
    --container: 1180px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    min-height: 100dvh;
    background:
        radial-gradient(circle at 14% 4%, rgba(255, 255, 255, 0.72), transparent 30rem),
        var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

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

button,
input {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
}

:where(a, button, input, summary):focus-visible {
    outline: 3px solid rgba(69, 109, 124, 0.55);
    outline-offset: 3px;
}

::selection {
    background: rgba(69, 109, 124, 0.18);
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1000;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--ink);
    color: var(--paper-soft);
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.container--narrow {
    width: min(calc(100% - 48px), 820px);
    margin-inline: auto;
}

.section {
    padding: 124px 0;
}

.section--compact {
    padding: 88px 0;
}

.section--line {
    border-top: 1px solid var(--line);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 22px;
    color: var(--ink-muted);
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 18px;
    height: 1px;
    background: currentColor;
    content: "";
}

.display {
    max-width: 900px;
    font-size: clamp(3.35rem, 7.3vw, 7.1rem);
    font-weight: 650;
    letter-spacing: -0.065em;
    line-height: 0.93;
}

.display--small {
    max-width: 830px;
    font-size: clamp(3rem, 6vw, 6rem);
}

.display em,
.section-title em {
    color: var(--ink-muted);
    font-style: normal;
    font-weight: 420;
}

.section-title {
    max-width: 760px;
    font-size: clamp(2.45rem, 4.7vw, 4.8rem);
    font-weight: 620;
    letter-spacing: -0.055em;
    line-height: 1;
}

.section-lead {
    max-width: 640px;
    color: var(--ink-soft);
    font-size: clamp(1.05rem, 1.7vw, 1.35rem);
    line-height: 1.65;
}

.copy {
    color: var(--ink-soft);
    font-size: 1rem;
    line-height: 1.75;
}

.copy strong {
    color: var(--ink);
    font-weight: 620;
}

.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 100;
    padding: 15px 0;
    pointer-events: none;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 58px;
    padding: 8px 9px 8px 15px;
    border: 1px solid rgba(27, 25, 22, 0.08);
    border-radius: 18px;
    background: rgba(246, 242, 235, 0.78);
    box-shadow: 0 8px 28px rgba(27, 25, 22, 0.05);
    backdrop-filter: blur(18px) saturate(130%);
    -webkit-backdrop-filter: blur(18px) saturate(130%);
    pointer-events: auto;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    text-decoration: none;
}

.brand-mark {
    position: relative;
    width: 27px;
    height: 27px;
    border: 2px solid var(--ink);
    border-radius: 9px;
    transform: rotate(45deg);
}

.brand-mark::after {
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    background: var(--ink);
    content: "";
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.site-nav a {
    padding: 11px 14px;
    border-radius: 11px;
    color: var(--ink-muted);
    font-size: 0.82rem;
    font-weight: 560;
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    background: rgba(255, 255, 255, 0.55);
    color: var(--ink);
}

.site-nav .nav-cta {
    margin-left: 4px;
    padding-inline: 17px;
    background: var(--ink);
    color: var(--paper-soft);
}

.site-nav .nav-cta:hover {
    background: rgba(27, 25, 22, 0.84);
    color: var(--paper-soft);
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 11px;
    background: var(--ink);
    color: var(--paper-soft);
    cursor: pointer;
}

.nav-toggle svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-width: 1.8;
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 52px;
    padding: 0 21px;
    border: 1px solid var(--line-strong);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.36);
    color: var(--ink);
    font-size: 0.87rem;
    font-weight: 620;
    text-decoration: none;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
    border-color: rgba(27, 25, 22, 0.34);
    background: rgba(255, 255, 255, 0.68);
    transform: translateY(-2px);
}

.button--dark {
    border-color: var(--ink);
    background: var(--ink);
    color: var(--paper-soft);
}

.button--dark:hover {
    background: rgba(27, 25, 22, 0.86);
    color: var(--paper-soft);
}

.button svg,
.text-link svg,
.store-link svg {
    flex: 0 0 auto;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--line-strong);
    font-size: 0.88rem;
    font-weight: 620;
    text-decoration: none;
    transition: gap 0.2s ease, border-color 0.2s ease;
}

.text-link:hover {
    gap: 12px;
    border-color: var(--ink);
}

.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100svh;
    padding: 154px 0 92px;
}

.hero::before {
    position: absolute;
    top: -15%;
    right: -15%;
    width: min(62vw, 860px);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(159, 192, 206, 0.18), rgba(159, 192, 206, 0) 67%);
    content: "";
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(380px, 0.88fr);
    align-items: center;
    gap: clamp(54px, 7vw, 110px);
}

.hero-copy .section-lead {
    margin: 30px 0 34px;
}

.hero-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-top: 38px;
    color: var(--ink-muted);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-notes span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-notes span::before {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--focus-deep);
    content: "";
    opacity: 0.65;
}

.sound-stage {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 600px;
}

.sound-orbit {
    position: absolute;
    width: min(100%, 510px);
    aspect-ratio: 1;
    border: 1px solid rgba(27, 25, 22, 0.1);
    border-radius: 44% 56% 50% 50% / 54% 44% 56% 46%;
    animation: orbit-morph 18s ease-in-out infinite alternate;
}

.sound-orbit::before,
.sound-orbit::after {
    position: absolute;
    border: 1px solid rgba(27, 25, 22, 0.08);
    border-radius: inherit;
    content: "";
}

.sound-orbit::before {
    inset: 12%;
    animation: orbit-morph 15s ease-in-out infinite alternate-reverse;
}

.sound-orbit::after {
    inset: 25%;
    background: radial-gradient(circle at 38% 32%, rgba(255, 255, 255, 0.86), rgba(159, 192, 206, 0.26) 43%, rgba(213, 184, 168, 0.16) 78%);
    box-shadow: 0 40px 90px rgba(60, 72, 72, 0.15);
    animation: field-breathe 8s ease-in-out infinite;
}

.sound-dot {
    position: absolute;
    z-index: 2;
    width: 12px;
    height: 12px;
    border: 3px solid var(--paper-soft);
    border-radius: 50%;
    background: var(--ink);
    box-shadow: 0 5px 18px rgba(27, 25, 22, 0.2);
}

.sound-dot--one {
    top: 19%;
    right: 12%;
}

.sound-dot--two {
    bottom: 25%;
    left: 7%;
}

.sound-dot--three {
    right: 28%;
    bottom: 6%;
}

.engine-player {
    position: relative;
    z-index: 4;
    width: min(92%, 390px);
    margin-top: 310px;
    padding: 18px;
    border: 1px solid rgba(27, 25, 22, 0.1);
    border-radius: 22px;
    background: rgba(250, 248, 243, 0.84);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.player-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.player-kicker {
    color: var(--ink-muted);
    font-size: 0.64rem;
    font-weight: 650;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.player-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ink-muted);
    font-size: 0.66rem;
}

.player-live::before {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--focus-deep);
    content: "";
}

.player-preset-row {
    display: grid;
    grid-template-columns: 34px 1fr 34px;
    align-items: center;
    gap: 8px;
}

.player-preset {
    text-align: center;
}

.player-preset strong {
    display: block;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.player-preset span {
    display: block;
    min-height: 39px;
    margin-top: 4px;
    color: var(--ink-muted);
    font-size: 0.74rem;
    line-height: 1.45;
}

.player-nav,
.player-play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    color: var(--ink);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.player-nav {
    width: 34px;
    height: 34px;
}

.player-nav:hover,
.player-play:hover {
    background: #fff;
    transform: scale(1.04);
}

.player-controls {
    display: grid;
    grid-template-columns: 42px 1fr;
    align-items: center;
    gap: 12px;
    margin-top: 14px;
}

.player-play {
    width: 42px;
    height: 42px;
    border-color: var(--ink);
    background: var(--ink);
    color: var(--paper-soft);
}

.player-play:hover {
    background: rgba(27, 25, 22, 0.84);
}

.player-play svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.player-play .pause-icon,
.player-play.is-playing .play-icon {
    display: none;
}

.player-play.is-playing .pause-icon {
    display: block;
}

.volume {
    width: 100%;
    height: 3px;
    border-radius: 999px;
    outline: none;
    background: linear-gradient(to right, var(--ink) 0 72%, var(--line) 72% 100%);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.volume::-webkit-slider-thumb {
    width: 13px;
    height: 13px;
    border: 3px solid var(--paper-soft);
    border-radius: 50%;
    background: var(--ink);
    box-shadow: 0 2px 8px rgba(27, 25, 22, 0.22);
    appearance: none;
    -webkit-appearance: none;
}

.volume::-moz-range-thumb {
    width: 9px;
    height: 9px;
    border: 3px solid var(--paper-soft);
    border-radius: 50%;
    background: var(--ink);
}

.player-footnote {
    margin-top: 12px;
    color: var(--ink-muted);
    font-size: 0.66rem;
    text-align: center;
}

.statement {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 64px;
    align-items: start;
}

.statement .section-title {
    max-width: 800px;
}

.statement-side {
    padding-top: 14px;
}

.statement-side .copy + .text-link {
    margin-top: 26px;
}

.statement-side .copy + .copy {
    margin-top: 18px;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 54px;
}

.section-heading .section-lead {
    max-width: 470px;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.app-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(175px, 0.64fr);
    min-height: 550px;
    overflow: hidden;
    border: 1px solid rgba(27, 25, 22, 0.1);
    border-radius: var(--radius-lg);
    isolation: isolate;
}

.app-card::before {
    position: absolute;
    inset: 0;
    z-index: -2;
    content: "";
}

.app-card--focus::before {
    background:
        radial-gradient(circle at 92% 8%, rgba(255, 255, 255, 0.75), transparent 19rem),
        linear-gradient(145deg, #e6eef0, #a8c6d1 76%);
}

.app-card--unwind::before {
    background:
        radial-gradient(circle at 88% 10%, rgba(255, 255, 255, 0.74), transparent 19rem),
        linear-gradient(145deg, #efe6df, #d8bbaa 78%);
}

.app-card-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 44px 20px 42px 40px;
}

.app-identity {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
}

.app-icon {
    width: 54px;
    height: 54px;
    border: 1px solid rgba(27, 25, 22, 0.08);
    border-radius: 13px;
    box-shadow: 0 10px 24px rgba(27, 25, 22, 0.12);
}

.app-name {
    font-size: 0.94rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.app-type {
    display: block;
    margin-top: 2px;
    color: var(--ink-muted);
    font-size: 0.68rem;
    font-weight: 560;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.app-card h3 {
    max-width: 330px;
    margin-bottom: 18px;
    font-size: clamp(2.05rem, 3.4vw, 3.6rem);
    font-weight: 620;
    letter-spacing: -0.055em;
    line-height: 1;
}

.app-card p {
    max-width: 340px;
    color: var(--ink-soft);
    font-size: 0.92rem;
    line-height: 1.65;
}

.app-card-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    margin-top: auto;
    padding-top: 36px;
}

.store-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 50px;
    padding: 8px 17px;
    border-radius: 14px;
    background: var(--ink);
    color: #fff;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease;
}

.store-link:hover {
    background: rgba(27, 25, 22, 0.86);
    transform: translateY(-2px);
}

.store-link svg {
    width: 20px;
    height: 24px;
    fill: currentColor;
}

.store-link-copy {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.store-link-copy small {
    margin-bottom: 4px;
    font-size: 0.58rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.store-link-copy strong {
    font-size: 0.93rem;
    font-weight: 570;
    letter-spacing: -0.015em;
}

.app-card-visual {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    min-width: 0;
    padding: 45px 0 0;
}

.mini-phone {
    position: relative;
    width: 205px;
    margin-right: -24px;
    overflow: hidden;
    border: 1px solid rgba(27, 25, 22, 0.14);
    border-bottom: 0;
    border-radius: 22px 22px 0 0;
    background: var(--paper-soft);
    box-shadow: -18px 20px 48px rgba(27, 25, 22, 0.18);
    transform: rotate(1.5deg);
}

.app-card--unwind .mini-phone {
    transform: rotate(-1.5deg);
}

.mini-phone img {
    width: 100%;
    height: auto;
    border-radius: 21px 21px 0 0;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 64px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.principle {
    min-height: 280px;
    padding: 28px 28px 32px;
    border-right: 1px solid var(--line);
}

.principle:last-child {
    border-right: 0;
}

.principle-index {
    display: block;
    margin-bottom: 72px;
    color: var(--ink-muted);
    font-size: 0.66rem;
    font-weight: 650;
    letter-spacing: 0.1em;
}

.principle h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
    font-weight: 630;
    letter-spacing: -0.025em;
}

.principle p {
    color: var(--ink-muted);
    font-size: 0.82rem;
    line-height: 1.65;
}

.research-feature {
    display: grid;
    grid-template-columns: minmax(190px, 0.65fr) minmax(0, 1.35fr);
    align-items: center;
    gap: clamp(42px, 7vw, 90px);
    margin-top: 34px;
    padding: clamp(42px, 6vw, 72px);
    border-radius: var(--radius-lg);
    background: var(--ink);
    color: var(--paper-soft);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.research-feature:hover {
    box-shadow: 0 28px 80px rgba(27, 25, 22, 0.18);
    transform: translateY(-4px);
}

.research-feature-mark {
    position: relative;
    width: min(100%, 210px);
    aspect-ratio: 1;
    margin-inline: auto;
    border: 1px solid rgba(250, 248, 243, 0.17);
    border-radius: 47% 53% 42% 58% / 55% 43% 57% 45%;
}

.research-feature-mark::before,
.research-feature-mark::after,
.research-feature-mark span {
    position: absolute;
    border-radius: inherit;
    content: "";
}

.research-feature-mark::before {
    inset: 18%;
    border: 1px solid rgba(250, 248, 243, 0.2);
    transform: rotate(18deg);
}

.research-feature-mark::after {
    inset: 39%;
    border-radius: 50%;
    background: var(--paper-soft);
    box-shadow: 0 0 0 12px rgba(250, 248, 243, 0.05);
}

.research-feature-mark span {
    inset: -12%;
    border: 1px solid rgba(250, 248, 243, 0.08);
    transform: rotate(-12deg);
}

.research-feature .article-meta {
    color: rgba(250, 248, 243, 0.48);
}

.research-feature h3 {
    max-width: 690px;
    margin: 34px 0 18px;
    font-size: clamp(2.15rem, 4vw, 4rem);
    font-weight: 580;
    letter-spacing: -0.052em;
    line-height: 1;
}

.research-feature p {
    max-width: 620px;
    color: rgba(250, 248, 243, 0.62);
    font-size: 0.92rem;
    line-height: 1.72;
}

.research-feature-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-top: 30px;
    padding-bottom: 3px;
    border-bottom: 1px solid rgba(250, 248, 243, 0.26);
    font-size: 0.86rem;
    font-weight: 620;
}

.editorial-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.article-card {
    display: flex;
    min-height: 330px;
    flex-direction: column;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.2);
    text-decoration: none;
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.article-card:hover {
    border-color: var(--line-strong);
    background: rgba(255, 255, 255, 0.52);
    transform: translateY(-4px);
}

.article-meta {
    color: var(--ink-muted);
    font-size: 0.66rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.article-card h3 {
    margin: 68px 0 17px;
    font-size: clamp(1.35rem, 2.2vw, 1.85rem);
    font-weight: 590;
    letter-spacing: -0.04em;
    line-height: 1.15;
}

.article-card p {
    color: var(--ink-muted);
    font-size: 0.82rem;
    line-height: 1.65;
}

.article-arrow {
    margin-top: auto;
    padding-top: 32px;
    font-size: 1.2rem;
}

.privacy-panel {
    position: relative;
    overflow: hidden;
    padding: 68px;
    border-radius: var(--radius-lg);
    background: var(--ink);
    color: var(--paper-soft);
}

.privacy-panel::after {
    position: absolute;
    top: -70%;
    right: -18%;
    width: 570px;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 45% 55% 51% 49%;
    box-shadow: inset 0 0 80px rgba(159, 192, 206, 0.08);
    content: "";
}

.privacy-panel-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: end;
    gap: 60px;
}

.privacy-panel .eyebrow,
.privacy-panel .copy {
    color: rgba(250, 248, 243, 0.6);
}

.privacy-panel .section-title {
    max-width: 670px;
}

.privacy-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    list-style: none;
}

.privacy-list li {
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    color: rgba(250, 248, 243, 0.72);
    font-size: 0.76rem;
    font-weight: 570;
}

.final-cta {
    padding: 128px 0;
    text-align: center;
}

.final-cta .section-title,
.final-cta .section-lead {
    margin-inline: auto;
}

.final-cta .section-lead {
    margin-top: 24px;
}

.final-cta .button-row {
    justify-content: center;
    margin-top: 34px;
}

.app-store-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(30px, 6vw, 70px);
    margin-top: 38px;
}

.app-store-icon-link {
    display: inline-flex;
    min-width: 132px;
    flex-direction: column;
    align-items: center;
    gap: 13px;
    padding: 10px;
    border-radius: 24px;
    text-decoration: none;
    transition: transform 0.22s ease, background 0.22s ease;
}

.app-store-icon-link:hover {
    background: rgba(255, 255, 255, 0.32);
    transform: translateY(-4px);
}

.app-store-icon-link img {
    width: 88px;
    height: 88px;
    border: 1px solid rgba(27, 25, 22, 0.08);
    border-radius: 21px;
    box-shadow: 0 18px 42px rgba(27, 25, 22, 0.16);
}

.app-store-icon-link > span {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
}

.app-store-icon-link strong {
    font-size: 0.86rem;
    font-weight: 680;
    letter-spacing: -0.02em;
}

.app-store-icon-link small {
    margin-top: 5px;
    color: var(--ink-muted);
    font-size: 0.62rem;
    font-weight: 580;
    letter-spacing: 0.04em;
}

.site-footer {
    padding: 52px 0 36px;
    border-top: 1px solid var(--line);
}

.footer-top {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 50px;
}

.footer-brand p {
    max-width: 310px;
    margin-top: 18px;
    color: var(--ink-muted);
    font-size: 0.8rem;
    line-height: 1.65;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(110px, 1fr));
    gap: 48px;
}

.footer-column strong {
    display: block;
    margin-bottom: 14px;
    color: var(--ink-muted);
    font-size: 0.66rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer-column a {
    display: block;
    width: max-content;
    margin-top: 10px;
    color: var(--ink-soft);
    font-size: 0.8rem;
    text-decoration: none;
}

.footer-column a:hover {
    color: var(--ink);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 60px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    color: var(--ink-muted);
    font-size: 0.68rem;
}

/* Inner page hero */
.subhero {
    position: relative;
    display: flex;
    align-items: flex-end;
    min-height: 86svh;
    padding: 180px 0 96px;
    overflow: hidden;
}

.subhero-copy {
    position: relative;
    z-index: 2;
    max-width: 950px;
}

.subhero .section-lead {
    margin-top: 30px;
}

.subhero-field {
    position: absolute;
    top: 15%;
    right: -8%;
    width: min(48vw, 650px);
    aspect-ratio: 1;
    border: 1px solid var(--line);
    border-radius: 43% 57% 56% 44% / 51% 44% 56% 49%;
    background: radial-gradient(circle at 40% 35%, rgba(255, 255, 255, 0.9), rgba(159, 192, 206, 0.28) 36%, rgba(213, 184, 168, 0.16) 62%, transparent 73%);
    animation: orbit-morph 18s ease-in-out infinite alternate;
}

.subhero-field::before,
.subhero-field::after {
    position: absolute;
    border: 1px solid var(--line);
    border-radius: inherit;
    content: "";
}

.subhero-field::before {
    inset: 13%;
}

.subhero-field::after {
    inset: 31%;
    border-radius: 50%;
    background: var(--ink);
    box-shadow: 0 0 0 15px rgba(250, 248, 243, 0.6);
}

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 54px;
}

.outcome-card {
    min-height: 380px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.22);
}

.outcome-symbol {
    position: relative;
    display: grid;
    place-items: center;
    width: 74px;
    height: 74px;
    margin-bottom: 100px;
    border: 1px solid var(--line);
    border-radius: 50%;
}

.outcome-symbol::before,
.outcome-symbol::after {
    position: absolute;
    border-radius: 50%;
    content: "";
}

.outcome-symbol::before {
    inset: 17px;
    border: 1px solid var(--line-strong);
}

.outcome-symbol::after {
    width: 7px;
    height: 7px;
    background: var(--ink);
}

.outcome-card:nth-child(2) .outcome-symbol {
    border-radius: 18px 50% 18px 50%;
}

.outcome-card:nth-child(3) .outcome-symbol::before {
    inset: 9px 24px;
    border-radius: 999px;
}

.outcome-card h3 {
    margin-bottom: 14px;
    font-size: 1.55rem;
    font-weight: 600;
    letter-spacing: -0.04em;
}

.outcome-card p {
    color: var(--ink-muted);
    font-size: 0.88rem;
    line-height: 1.7;
}

.state-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
}

.state {
    padding: 38px 30px 0 0;
}

.state + .state {
    padding-left: 30px;
    border-left: 1px solid var(--line);
}

.state span {
    color: var(--ink-muted);
    font-size: 0.68rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.state h3 {
    margin: 28px 0 13px;
    font-size: 1.55rem;
    font-weight: 600;
    letter-spacing: -0.035em;
}

.state p {
    color: var(--ink-muted);
    font-size: 0.86rem;
    line-height: 1.68;
}

.research-band {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 90px;
    align-items: start;
}

.research-topics {
    border-top: 1px solid var(--line);
}

.research-topic {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 20px;
    padding: 23px 0;
    border-bottom: 1px solid var(--line);
}

.research-topic span {
    color: var(--ink-muted);
    font-size: 0.67rem;
    font-weight: 650;
    letter-spacing: 0.08em;
}

.research-topic h3 {
    margin-bottom: 6px;
    font-size: 1rem;
    font-weight: 620;
    letter-spacing: -0.02em;
}

.research-topic p {
    color: var(--ink-muted);
    font-size: 0.8rem;
    line-height: 1.6;
}

.boundary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.boundary-card {
    padding: 38px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
}

.boundary-card h3 {
    margin-bottom: 15px;
    font-size: 1.35rem;
    font-weight: 610;
    letter-spacing: -0.03em;
}

.boundary-card p {
    color: var(--ink-muted);
    font-size: 0.86rem;
    line-height: 1.72;
}

/* Product pages */
.product-hero {
    min-height: 100svh;
    padding: 170px 0 90px;
}

.product-hero-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: clamp(60px, 8vw, 120px);
}

.product-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.product-badge .app-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.product-badge strong {
    display: block;
    font-size: 0.9rem;
}

.product-badge span {
    display: block;
    color: var(--ink-muted);
    font-size: 0.68rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.product-hero h1 {
    max-width: 650px;
    font-size: clamp(3.4rem, 6.7vw, 6.8rem);
    font-weight: 640;
    letter-spacing: -0.065em;
    line-height: 0.94;
}

.product-hero .section-lead {
    margin: 28px 0 34px;
}

.product-notes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.product-notes span {
    padding: 8px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-muted);
    font-size: 0.7rem;
    font-weight: 580;
}

.device-stage {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    min-height: 680px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.72), transparent 19rem),
        linear-gradient(155deg, rgba(159, 192, 206, 0.42), rgba(159, 192, 206, 0.86));
    overflow: hidden;
}

.product-unwind .device-stage {
    background:
        radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.76), transparent 19rem),
        linear-gradient(155deg, rgba(213, 184, 168, 0.38), rgba(213, 184, 168, 0.9));
}

.device-stage::before,
.device-stage::after {
    position: absolute;
    width: 390px;
    aspect-ratio: 1;
    border: 1px solid rgba(27, 25, 22, 0.1);
    border-radius: 45% 55% 48% 52%;
    content: "";
}

.device-stage::before {
    top: -19%;
    left: -20%;
}

.device-stage::after {
    right: -24%;
    bottom: -23%;
}

.device {
    position: relative;
    z-index: 2;
    width: 270px;
    overflow: hidden;
    border: 1px solid rgba(27, 25, 22, 0.14);
    border-bottom: 0;
    border-radius: 25px 25px 0 0;
    background: var(--paper-soft);
    box-shadow: 0 32px 80px rgba(27, 25, 22, 0.25);
}

.device--rear {
    width: 220px;
    margin-right: -55px;
    opacity: 0.78;
    transform: translateY(70px) rotate(-6deg);
}

.device--front {
    margin-left: -10px;
    transform: translateY(5px) rotate(2deg);
}

.device img {
    width: 100%;
    border-radius: 24px 24px 0 0;
}

.feature-split {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 90px;
    align-items: start;
}

.feature-list {
    list-style: none;
    border-top: 1px solid var(--line);
}

.feature-item {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 20px;
    padding: 26px 0;
    border-bottom: 1px solid var(--line);
}

.feature-item > span {
    color: var(--ink-muted);
    font-size: 0.67rem;
    font-weight: 650;
    letter-spacing: 0.08em;
}

.feature-item h3 {
    margin-bottom: 6px;
    font-size: 1.05rem;
    font-weight: 620;
    letter-spacing: -0.025em;
}

.feature-item p {
    color: var(--ink-muted);
    font-size: 0.84rem;
    line-height: 1.65;
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 50px;
}

.mode-card {
    min-height: 290px;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.2);
}

.mode-card span {
    display: block;
    margin-bottom: 92px;
    color: var(--ink-muted);
    font-size: 0.66rem;
    font-weight: 650;
    letter-spacing: 0.08em;
}

.mode-card h3 {
    margin-bottom: 9px;
    font-size: 1.2rem;
    font-weight: 620;
    letter-spacing: -0.03em;
}

.mode-card p {
    color: var(--ink-muted);
    font-size: 0.8rem;
    line-height: 1.63;
}

.moment-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 50px;
}

.moment {
    min-height: 220px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 20px;
}

.moment h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    font-weight: 610;
    letter-spacing: -0.03em;
}

.moment p {
    color: var(--ink-muted);
    font-size: 0.84rem;
    line-height: 1.68;
}

.legal-note {
    max-width: 760px;
    margin: 0 auto;
    padding: 26px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--ink-muted);
    font-size: 0.78rem;
    line-height: 1.65;
    text-align: center;
}

/* Utility pages */
.utility-hero {
    padding: 174px 0 78px;
    border-bottom: 1px solid var(--line);
}

.utility-hero .section-lead {
    margin-top: 24px;
}

.utility-title {
    max-width: 780px;
    font-size: clamp(3.2rem, 7vw, 6.4rem);
    font-weight: 640;
    letter-spacing: -0.065em;
    line-height: 0.95;
}

.faq-list {
    border-top: 1px solid var(--line);
}

.faq-item {
    border-bottom: 1px solid var(--line);
}

.faq-item summary {
    position: relative;
    padding: 27px 48px 27px 0;
    font-size: 1.05rem;
    font-weight: 620;
    letter-spacing: -0.02em;
    list-style: none;
    cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    position: absolute;
    top: 50%;
    right: 4px;
    width: 22px;
    color: var(--ink-muted);
    content: "+";
    font-size: 1.25rem;
    font-weight: 400;
    text-align: center;
    transform: translateY(-50%);
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-answer {
    max-width: 680px;
    padding: 0 0 28px;
    color: var(--ink-soft);
    font-size: 0.92rem;
    line-height: 1.75;
}

.faq-answer a {
    text-decoration-color: var(--line-strong);
    text-underline-offset: 3px;
}

.utility-grid {
    display: grid;
    grid-template-columns: 0.65fr 1.35fr;
    gap: 80px;
    align-items: start;
}

.journal-hero {
    padding: 164px 0 70px;
    border-bottom: 1px solid var(--line);
}

.journal-hero h1 {
    max-width: 890px;
    font-size: clamp(2.9rem, 6vw, 5.8rem);
    font-weight: 640;
    letter-spacing: -0.06em;
    line-height: 0.98;
}

.journal-meta {
    margin-bottom: 22px;
    color: var(--ink-muted);
    font-size: 0.7rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.journal-deck {
    max-width: 700px;
    margin-top: 26px;
    color: var(--ink-soft);
    font-size: 1.15rem;
    line-height: 1.65;
}

.journal-post {
    width: min(calc(100% - 34px), 720px);
    margin: 0 auto;
    padding: 86px 0 110px;
}

.journal-post p,
.journal-post li {
    color: var(--ink-soft);
    font-size: 1rem;
    line-height: 1.82;
}

.journal-post p {
    margin-bottom: 24px;
}

.journal-post h2 {
    margin: 58px 0 20px;
    font-size: clamp(1.75rem, 3.4vw, 2.55rem);
    font-weight: 610;
    letter-spacing: -0.045em;
    line-height: 1.1;
}

.journal-post h3 {
    margin: 38px 0 12px;
    font-size: 1.2rem;
    font-weight: 620;
    letter-spacing: -0.025em;
}

.journal-post strong {
    color: var(--ink);
    font-weight: 640;
}

.journal-post a {
    color: var(--ink);
    text-decoration-color: var(--line-strong);
    text-underline-offset: 3px;
}

.journal-post ul,
.journal-post ol {
    margin: 0 0 28px 22px;
}

.journal-post li {
    margin-bottom: 12px;
    padding-left: 5px;
}

.journal-callout {
    margin: 42px 0;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.3);
}

.journal-callout p:last-child {
    margin-bottom: 0;
}

[data-reveal] {
    opacity: 1;
    transform: none;
}

.js-ready [data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js-ready [data-reveal].in-view {
    opacity: 1;
    transform: none;
}

@keyframes orbit-morph {
    0% {
        border-radius: 44% 56% 50% 50% / 54% 44% 56% 46%;
        transform: rotate(-3deg) scale(0.98);
    }
    100% {
        border-radius: 55% 45% 42% 58% / 43% 56% 44% 57%;
        transform: rotate(4deg) scale(1.03);
    }
}

@keyframes field-breathe {
    0%,
    100% {
        transform: scale(0.96);
        opacity: 0.82;
    }
    50% {
        transform: scale(1.04);
        opacity: 1;
    }
}

@media (max-width: 1060px) {
    .hero-grid,
    .product-hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        max-width: 820px;
    }

    .sound-stage {
        width: min(100%, 650px);
        margin: 0 auto;
    }

    .app-grid {
        grid-template-columns: 1fr;
    }

    .app-card {
        min-height: 520px;
    }

    .principles-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .principle:nth-child(2) {
        border-right: 0;
    }

    .principle:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
    }

    .research-band,
    .feature-split {
        grid-template-columns: 1fr;
        gap: 56px;
    }

    .device-stage {
        min-height: 650px;
    }

    .product-copy {
        max-width: 760px;
    }
}

@media (max-width: 820px) {
    .container,
    .container--narrow {
        width: min(calc(100% - 34px), var(--container));
    }

    .section {
        padding: 92px 0;
    }

    .section--compact {
        padding: 70px 0;
    }

    .site-nav {
        position: fixed;
        top: 88px;
        right: 17px;
        left: 17px;
        display: none;
        align-items: stretch;
        max-height: calc(100dvh - 104px);
        overflow-y: auto;
        overscroll-behavior: contain;
        padding: 11px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: rgba(246, 242, 235, 0.96);
        box-shadow: var(--shadow);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
    }

    .site-nav.is-open {
        display: flex;
        flex-direction: column;
    }

    .site-nav a {
        padding: 14px;
    }

    .site-nav .nav-cta {
        margin: 5px 0 0;
        text-align: center;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .hero {
        padding-top: 135px;
    }

    .hero-grid {
        gap: 30px;
    }

    .sound-stage {
        min-height: 540px;
    }

    .player-preset-row {
        grid-template-columns: 44px minmax(0, 1fr) 44px;
    }

    .player-nav {
        width: 44px;
        height: 44px;
    }

    .statement,
    .privacy-panel-content,
    .boundary {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .section-heading {
        align-items: start;
        flex-direction: column;
    }

    .editorial-grid,
    .outcomes-grid {
        grid-template-columns: 1fr;
    }

    .research-feature {
        grid-template-columns: 1fr;
    }

    .research-feature-mark {
        display: none;
    }

    .article-card {
        min-height: 280px;
    }

    .outcome-card {
        min-height: 320px;
    }

    .outcome-symbol {
        margin-bottom: 66px;
    }

    .privacy-panel {
        padding: 42px 30px;
    }

    .footer-top {
        flex-direction: column;
    }

    .footer-links {
        width: 100%;
    }

    .subhero {
        min-height: 760px;
    }

    .subhero-field {
        top: 5%;
        right: -35%;
        width: 88vw;
        opacity: 0.55;
    }

    .state-grid {
        grid-template-columns: 1fr;
    }

    .state,
    .state + .state {
        padding: 32px 0;
        border-left: 0;
        border-bottom: 1px solid var(--line);
    }

    .mode-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .utility-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 600px) {
    .display {
        font-size: clamp(3.15rem, 16vw, 5.3rem);
    }

    .section-title {
        font-size: clamp(2.35rem, 12vw, 3.9rem);
    }

    .hero-notes {
        display: grid;
    }

    .sound-stage {
        min-height: 485px;
    }

    .sound-orbit {
        width: 95%;
    }

    .engine-player {
        width: 100%;
        margin-top: 250px;
    }

    .app-card {
        display: block;
        min-height: 700px;
    }

    .app-card-copy {
        position: relative;
        z-index: 2;
        min-height: 470px;
        padding: 30px 28px;
    }

    .app-identity {
        margin-bottom: 36px;
    }

    .app-card-visual {
        position: absolute;
        right: 0;
        bottom: 0;
        left: 0;
        height: 310px;
        opacity: 0.78;
    }

    .mini-phone {
        width: 190px;
        margin: 0 auto;
    }

    .principles-grid {
        grid-template-columns: 1fr;
    }

    .principle,
    .principle:nth-child(2) {
        min-height: 230px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .principle:last-child {
        border-bottom: 0;
    }

    .principle-index {
        margin-bottom: 48px;
    }

    .research-feature {
        margin-top: 24px;
        padding: 34px 26px;
        border-radius: 28px;
    }

    .research-feature h3 {
        margin-top: 28px;
    }

    .privacy-panel {
        padding: 34px 24px;
        border-radius: 28px;
    }

    .privacy-list {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 35px 22px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
    }

    .app-store-icons {
        gap: 22px;
        margin-top: 32px;
    }

    .app-store-icon-link {
        min-width: 116px;
        padding-inline: 6px;
    }

    .app-store-icon-link img {
        width: 78px;
        height: 78px;
        border-radius: 19px;
    }

    .subhero {
        min-height: 700px;
        padding-top: 145px;
    }

    .product-hero {
        padding-top: 145px;
    }

    .product-hero h1 {
        font-size: clamp(3.1rem, 16vw, 5.3rem);
    }

    .device-stage {
        min-height: 540px;
        border-radius: 28px;
    }

    .device {
        width: 205px;
    }

    .device--rear {
        width: 166px;
        margin-right: -75px;
    }

    .mode-grid,
    .moment-grid {
        grid-template-columns: 1fr;
    }

    .mode-card {
        min-height: 230px;
    }

    .mode-card span {
        margin-bottom: 54px;
    }
}

@media (max-width: 380px) {
    .container,
    .container--narrow {
        width: min(calc(100% - 24px), var(--container));
    }

    .site-header {
        padding-top: max(10px, env(safe-area-inset-top));
    }

    .header-inner {
        min-height: 54px;
        padding-block: 6px;
    }

    .site-nav {
        top: 76px;
        right: 12px;
        left: 12px;
    }

    .hero {
        padding-top: 118px;
        padding-bottom: 72px;
    }

    .display {
        font-size: clamp(2.8rem, 15vw, 3.2rem);
    }

    .section-title {
        font-size: clamp(2.15rem, 11.5vw, 3rem);
    }

    .button-row .button {
        width: 100%;
    }

    .engine-player {
        padding: 15px;
    }

    .player-preset-row {
        grid-template-columns: 44px minmax(0, 1fr) 44px;
        gap: 5px;
    }

    .app-card-copy {
        padding-inline: 22px;
    }

    .app-store-icons {
        gap: 12px;
    }

    .app-store-icon-link {
        min-width: 108px;
    }

    .journal-post {
        width: min(calc(100% - 24px), 720px);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    .js-ready [data-reveal] {
        opacity: 1;
        transform: none;
    }
}