@font-face {
    font-family: "Bricolage Grotesque";
    src: url("../fonts/bricolage-grotesque-latin.woff2") format("woff2");
    font-weight: 200 800;
    font-stretch: 75% 100%;
    font-display: swap;
}

:root {
    --paper: #FFFFFF;
    --stone: #EDECE8;
    --line: #D9D7D1;
    --ink: #1C2536;
    --ink-2: #4A5468;
    --ink-3: #6B7386;
    --blush: #F4CDD3;
    --sky: #CADDF0;
    --butter: #F2E3AE;
    --focus: #2D5BD7;
    --tbd: #FFF0B3;
    --tbd-line: #C9A227;

    --r-stage: 28px;
    --r-panel: 18px;
    --gutter: clamp(16px, 4vw, 48px);
    --maxw: 1200px;
    --font: "Bricolage Grotesque", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

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

html {
    color-scheme: light;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 84px;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font);
    font-size: 1.0625rem;
    line-height: 1.6;
    font-optical-sizing: auto;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol, dl, dd, figure { margin: 0; }

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.wrap {
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.h2 {
    font-size: clamp(2rem, 1.25rem + 3vw, 3.25rem);
    line-height: 1.04;
    font-weight: 700;
    font-stretch: 86%;
    letter-spacing: -0.025em;
    max-width: 17ch;
}

.lead {
    font-size: clamp(1.125rem, 1rem + 0.4vw, 1.3rem);
    line-height: 1.55;
    color: var(--ink-2);
    max-width: 54ch;
}

.body { color: var(--ink-2); max-width: 60ch; }
.body + .body { margin-top: 16px; }
.h2 + .lead, .h2 + .body { margin-top: 20px; }

html[lang="zh-CN"] .h2,
html[lang="zh-CN"] .hero-title,
html[lang="zh-CN"] .feature h3 {
    letter-spacing: 0;
    line-height: 1.22;
    max-width: none;
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.7em 1.45em;
    border: 2px solid var(--ink);
    border-radius: 999px;
    font: inherit;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
}

.btn--solid { background: var(--ink); color: #fff; }
.btn--solid:hover { background: #2E3A52; border-color: #2E3A52; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; }
.btn--small { min-height: 40px; padding: 0.45em 1.1em; font-size: 0.9375rem; }

.tbd { color: inherit; }

body.review .tbd {
    background: var(--tbd);
    color: var(--ink);
    box-shadow: inset 0 -2px 0 var(--tbd-line);
}

body.review .tbd:not(.btn) { border-radius: 3px; padding: 0 0.2em; }
body.review p.tbd, body.review dd.tbd { width: fit-content; }

.tbd-note { display: none; }

body.review .tbd-note {
    display: block;
    margin-top: 14px;
    padding: 8px 12px;
    max-width: 62ch;
    background: var(--tbd);
    border-left: 3px solid var(--tbd-line);
    border-radius: 0 8px 8px 0;
    color: #5A4510;
    font-size: 0.875rem;
    line-height: 1.5;
}

.draftbar {
    background: var(--tbd);
    color: #4A3A0A;
    font-size: 0.875rem;
}

.draftbar .wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 4px 16px;
    min-height: 40px;
}

.draftbar button {
    padding: 6px 0;
    border: 0;
    background: none;
    color: inherit;
    font: inherit;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.94);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.site-header.is-scrolled { border-bottom-color: var(--line); }

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: 68px;
}

.logo {
    font-size: 1.65rem;
    font-weight: 800;
    font-stretch: 78%;
    letter-spacing: -0.035em;
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: auto;
    padding: 0;
    list-style: none;
}

.nav-links a {
    color: var(--ink-2);
    font-weight: 500;
    text-decoration: none;
}

.nav-links a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 6px; }

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

.nav-drop {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--ink-2);
    font: inherit;
    font-weight: 500;
    cursor: pointer;
}

.nav-drop::after {
    content: "";
    width: 7px;
    height: 7px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.2s;
}

.nav-drop:hover, .nav-drop[aria-expanded="true"] { color: var(--ink); }
.nav-drop[aria-expanded="true"]::after { transform: translateY(1px) rotate(-135deg); }

.menu-btn {
    display: none;
    place-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    background: var(--paper);
    color: var(--ink);
    cursor: pointer;
}

.menu-btn svg { width: 18px; height: 18px; }
.menu-btn .i-close, .menu-btn[aria-expanded="true"] .i-open { display: none; }
.menu-btn[aria-expanded="true"] .i-close { display: block; }

.site-header.menu-open { border-bottom-color: var(--line); }

.site-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 28px 48px -28px rgba(28, 37, 54, 0.28);
}

.menu-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 4.2fr);
    gap: 20px 32px;
    padding-block: 24px 32px;
}

.menu-title {
    margin-bottom: 12px;
    color: var(--ink-3);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.menu-acc { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; padding: 0; list-style: none; }

.menu-card { display: grid; gap: 4px; align-content: start; color: inherit; text-decoration: none; }
.menu-card .acc-media { margin-bottom: 6px; background: var(--pet, var(--stone)); }
.menu-card .acc-media--photo img { width: 100%; height: 100%; object-fit: cover; }
.menu-card:hover .menu-name { text-decoration: underline; text-underline-offset: 4px; }
.menu-name { font-weight: 600; line-height: 1.3; }
.menu-price { color: var(--ink-2); font-size: 0.9375rem; }

.menu-sections { display: none; }

.lang-btn {
    min-height: 40px;
    padding: 0 14px;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    background: var(--paper);
    color: var(--ink);
    font: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
}

.lang-btn:hover { border-color: var(--ink); }

.bezel {
    --s: 2;
    display: inline-block;
    padding: calc(9px * var(--s));
    background: #151515;
    border-radius: calc(9px * var(--s));
}

.lcd {
    display: grid;
    grid-template-rows: calc(26px * var(--s)) calc(75px * var(--s)) 1fr;
    width: calc(128px * var(--s));
    height: calc(128px * var(--s));
    overflow: hidden;
    background: #000;
    color: #fff;
    font-family: var(--font);
}

.lcd-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 calc(3px * var(--s)) 0 calc(5px * var(--s));
    font-size: calc(12px * var(--s));
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.lcd-wifi { width: calc(16px * var(--s)); height: calc(16px * var(--s)); }

.lcd-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}

.lcd-img.is-blank { visibility: hidden; }

.lcd-text {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: calc(2px * var(--s));
    font-size: calc(14px * var(--s));
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
}

.hero { padding-block: clamp(28px, 5vw, 64px) clamp(72px, 9vw, 120px); }

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: center;
}

.hero-title {
    font-size: clamp(2.75rem, 1.3rem + 5.2vw, 5.5rem);
    line-height: 0.96;
    font-weight: 760;
    font-stretch: 80%;
    letter-spacing: -0.035em;
    max-width: 10ch;
}

html[lang="zh-CN"] .hero-title { font-size: clamp(2.4rem, 1.2rem + 4.2vw, 4.4rem); max-width: 8em; }

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

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    margin-top: 32px;
}

.hero-price { font-weight: 600; color: var(--ink-2); }

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 32px;
    padding: 0;
    list-style: none;
}

.chips li {
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--stone);
    font-size: 0.9375rem;
    font-weight: 500;
}

.hero-figure { position: relative; }

.hero-figure > img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--r-stage);
}

.hero-lcd {
    position: absolute;
    left: clamp(-36px, -2.5vw, -12px);
    bottom: clamp(-40px, -3vw, -20px);
    display: grid;
    justify-items: start;
    gap: 10px;
}

.hero-lcd .bezel {
    --s: 1.45;
    box-shadow: 0 28px 50px -24px rgba(28, 37, 54, 0.6);
}

.hero-lcd figcaption {
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--paper);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ink-2);
}

.section { padding-block: clamp(72px, 10vw, 128px); }
.section--stone { background: var(--stone); }

.split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(36px, 6vw, 96px);
    align-items: center;
}

.photo {
    width: 100%;
    border-radius: var(--r-stage);
    object-fit: cover;
}

.photo--wide { aspect-ratio: 4 / 3; }
.photo--tall { aspect-ratio: 4 / 5; }

.split--sticky { align-items: start; }
.split--sticky > .photo { position: sticky; top: 96px; }

.pet--mochi { --pet: var(--blush); }
.pet--pepper { --pet: var(--sky); }
.pet--luna { --pet: var(--butter); }

.mini-lcd {
    display: grid;
    place-items: center;
    width: 64px;
    height: 48px;
    border-radius: 10px;
    background: #000;
}

.mini-lcd img { width: 56px; image-rendering: pixelated; }

.diets {
    display: grid;
    gap: 10px;
    margin-top: 32px;
    padding: 0;
    list-style: none;
}

.diet {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 16px;
    padding: 12px 18px 12px 12px;
    border-radius: 16px;
    background: var(--pet);
}

.diet strong { display: block; font-weight: 650; }
.diet span { color: var(--ink-2); font-size: 0.9375rem; }

.steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 36px);
    margin-top: 56px;
    padding: 0;
    list-style: none;
}

.step { display: grid; gap: 14px; align-content: start; }

.step-visual {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 1 / 1;
    border-radius: var(--r-panel);
    background: var(--pet, var(--stone));
    overflow: hidden;
}

.step-visual .bezel { --s: 1.1; }
.step-visual > img {
    position: absolute;
    inset: 12%;
    width: 76%;
    height: 76%;
    object-fit: contain;
}

.step-num {
    display: grid;
    place-items: center;
    width: 2.1em;
    height: 2.1em;
    border: 2px solid var(--ink);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9375rem;
}

.step h3 { font-size: 1.25rem; line-height: 1.2; font-weight: 650; }
.step p { color: var(--ink-2); font-size: 1rem; }

.sim-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(36px, 6vw, 88px);
    align-items: center;
}

.sim-stage {
    display: grid;
    place-items: center;
    padding: clamp(28px, 5vw, 64px) 16px;
    border-radius: var(--r-stage);
    background: var(--paper);
}

.sim-stage .bezel { --s: 2.9; }

.state-groups { display: grid; gap: 22px; margin-top: 32px; }
.state-group h3 { margin-bottom: 10px; font-size: 1rem; font-weight: 600; color: var(--ink-2); }

.state-btns { display: flex; flex-wrap: wrap; gap: 8px; }

.state-btn {
    min-height: 40px;
    padding: 6px 14px;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    background: var(--paper);
    color: var(--ink);
    font: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
}

.state-btn:hover { border-color: var(--ink); }

.state-btn[aria-pressed="true"] {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}

.state-desc {
    min-height: 3.2em;
    margin-top: 24px;
    max-width: 50ch;
    color: var(--ink-2);
}

.features { margin-top: clamp(48px, 7vw, 88px); }

.feature {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(32px, 6vw, 96px);
    align-items: center;
}

.feature + .feature { margin-top: clamp(56px, 8vw, 104px); }
.feature:nth-child(even) .feature-media { order: 2; }

.feature-media img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--r-stage);
}

.feature h3 {
    font-size: clamp(1.6rem, 1.1rem + 1.5vw, 2.3rem);
    line-height: 1.08;
    font-weight: 700;
    font-stretch: 88%;
    letter-spacing: -0.02em;
    max-width: 16ch;
}

.feature p { margin-top: 16px; color: var(--ink-2); max-width: 46ch; }

.feature-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
    padding: 0;
    list-style: none;
}

.feature-facts li {
    padding: 4px 12px;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.collars {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 32px;
    padding: 0;
    list-style: none;
}

.collar { display: grid; justify-items: center; gap: 8px; font-size: 0.9375rem; font-weight: 500; }

.collar-disc {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background: var(--pet);
}

.collar-disc img {
    position: absolute;
    inset: 14%;
    width: 72%;
    height: 72%;
    object-fit: contain;
}

.modes { margin-top: 40px; border-top: 1px solid var(--line); }

.mode {
    display: grid;
    grid-template-columns: minmax(8rem, 11rem) minmax(0, 1fr);
    gap: 4px 20px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.mode dt { font-weight: 650; }
.mode dd { color: var(--ink-2); }

.modes-title { margin-top: 44px; font-size: 1.25rem; font-weight: 650; }
.modes-title + .modes { margin-top: 14px; }

.phone {
    width: min(330px, 100%);
    margin-inline: auto;
    padding: 12px;
    border-radius: 48px;
    background: var(--ink);
    box-shadow: 0 40px 70px -40px rgba(28, 37, 54, 0.55);
}

.phone-screen {
    display: grid;
    gap: 14px;
    align-content: start;
    min-height: 600px;
    padding: 18px 16px 20px;
    border-radius: 37px;
    background: #F6F6F4;
    font-size: 0.875rem;
}

.phone-bar { display: flex; justify-content: space-between; font-size: 0.8125rem; font-weight: 600; padding: 0 8px; }
.phone-title { font-size: 1.5rem; font-weight: 700; font-stretch: 88%; padding: 6px 4px 0; }

.phone-card {
    padding: 12px 14px;
    border-radius: 18px;
    background: #fff;
}

.phone-pet {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
}

.phone-pet .avatar {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--pet);
    overflow: hidden;
}

.phone-pet .avatar img { width: 54px; max-width: none; image-rendering: pixelated; }
.phone-pet strong { display: block; font-size: 0.9375rem; }
.phone-pet span { color: var(--ink-3); font-size: 0.8125rem; }
.phone-pet b { font-size: 1.125rem; font-weight: 700; text-align: right; line-height: 1.1; }
.phone-pet b small { display: block; font-size: 0.6875rem; font-weight: 500; color: var(--ink-3); }

.phone-alert { background: var(--butter); font-weight: 500; }
.phone-label { color: var(--ink-3); font-size: 0.75rem; }
.phone-next { display: flex; justify-content: space-between; align-items: baseline; font-weight: 600; }

.phone-btn {
    margin-top: 4px;
    padding: 12px;
    border-radius: 999px;
    background: var(--ink);
    color: #fff;
    font-weight: 600;
    text-align: center;
}

.app-list {
    display: grid;
    gap: 12px;
    margin-top: 28px;
    padding: 0;
    list-style: none;
}

.app-list li {
    position: relative;
    padding-left: 26px;
    color: var(--ink-2);
}

.app-list li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 0.5em;
    width: 12px;
    height: 7px;
    border-left: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
    transform: rotate(-45deg);
}

.store-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }

.buy-grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
}

.gallery-main {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--r-stage);
    background: var(--stone);
}

.thumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; padding: 0; list-style: none; }

.thumb {
    width: 72px;
    height: 72px;
    padding: 0;
    overflow: hidden;
    border: 2px solid transparent;
    border-radius: 14px;
    background: var(--stone);
    cursor: pointer;
}

.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb[aria-current="true"] { border-color: var(--ink); }

.buy-panel { position: sticky; top: 96px; }
.buy-model { margin-top: 8px; color: var(--ink-3); }
.buy-price { margin-top: 24px; font-size: 2rem; font-weight: 700; font-stretch: 88%; }

.buy-rows { margin-top: 24px; border-top: 1px solid var(--line); }

.buy-row {
    display: grid;
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.9375rem;
}

.buy-row dt { font-weight: 600; }
.buy-row dd { color: var(--ink-2); }

.buy-actions { display: grid; gap: 10px; margin-top: 28px; }

.nav--simple .nav-tools { margin-left: auto; }
.co-back { color: var(--ink-2); font-weight: 600; text-decoration: none; }
.co-back:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 6px; }

.co .h2 { max-width: none; }

.co-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    margin-top: 32px;
}

.co-form { display: grid; gap: 16px; }
.co-panel { padding: 24px; border-radius: var(--r-panel); background: var(--paper); }
.co-title { font-size: 1.125rem; font-weight: 700; }
.co-items { margin-top: 8px; padding: 0; list-style: none; }

.co-item {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr) auto;
    gap: 14px;
    align-items: start;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.co-item:not(:has(~ .co-item:not([hidden]))) { border-bottom: 0; }
.co-item[hidden] { display: none; }
.co-thumb { width: 64px; height: 64px; border-radius: 14px; background: var(--stone); object-fit: cover; }
.co-thumb--cut { padding: 6px; background: var(--pet, var(--stone)); object-fit: contain; }
.co-color { display: flex; align-items: center; gap: 8px; margin-top: 6px; color: var(--ink-3); font-size: 0.875rem; }

.co-color select {
    min-height: 30px;
    padding: 0 6px;
    border: 1.5px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    color: var(--ink);
    font: inherit;
    font-size: 0.875rem;
}

.co-empty { padding: 16px 0; color: var(--ink-3); }
.co-add { padding: 14px 0 18px; border-top: 1px solid var(--line); }
.co-add-title { color: var(--ink-2); font-size: 0.875rem; font-weight: 600; }
.co-add-btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.co-add-btn {
    min-height: 36px;
    padding: 0.3em 0.95em;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    background: var(--paper);
    color: var(--ink);
    font: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
}

.co-add-btn:hover { border-color: var(--ink); }
.co-name { font-weight: 600; line-height: 1.3; }
.co-meta { margin-top: 2px; color: var(--ink-3); font-size: 0.875rem; }
.co-item .qty { margin-top: 10px; }
.co-line { font-weight: 600; white-space: nowrap; }

.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 12px; margin-top: 16px; }
.field-grid[hidden], .option-detail[hidden] { display: none; }
.field--full { grid-column: 1 / -1; }
.field-row3 { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 0.8fr); gap: 12px; }
.field { display: grid; gap: 6px; align-content: start; color: var(--ink-2); font-size: 0.875rem; font-weight: 600; }
.field em { color: var(--ink-3); font-style: normal; font-weight: 400; }

.field input,
.field select {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    border: 1.5px solid var(--line);
    border-radius: 12px;
    background: var(--paper);
    color: var(--ink);
    font: inherit;
    font-size: 1rem;
    font-weight: 400;
}

.field input::placeholder { color: #A0A6B3; }
.field input:focus, .field select:focus { border-color: var(--focus); outline: 2px solid var(--focus); outline-offset: 0; }
.field-hint { color: var(--ink-3); font-size: 0.8125rem; font-weight: 400; }

.check { display: flex; gap: 10px; align-items: center; color: var(--ink-2); font-size: 0.9375rem; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--ink); }

.options { display: grid; margin-top: 16px; overflow: hidden; border: 1.5px solid var(--line); border-radius: 14px; }

.option {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    padding: 16px;
    cursor: pointer;
}

.option + .option, .option-detail + .option { border-top: 1.5px solid var(--line); }
.option:has(input:checked) { background: #F7F7F5; }
.option input { width: 18px; height: 18px; accent-color: var(--ink); }
.option-body { display: grid; gap: 2px; }
.option-body small { color: var(--ink-3); font-size: 0.875rem; }
.option-price { font-weight: 600; }
.option-detail { padding: 0 16px 20px; background: #F7F7F5; }
.option-detail .field-grid { margin-top: 0; }
.option-detail > .co-meta { margin-top: 0; }
.option-detail #bill-fields { margin-top: 16px; }

.co-totals { display: grid; gap: 10px; margin-top: 4px; padding-top: 16px; border-top: 1px solid var(--line); }
.co-totals div { display: flex; justify-content: space-between; gap: 12px; font-size: 0.9375rem; }
.co-totals dt { color: var(--ink-2); }
.co-grand { margin-top: 4px; padding-top: 14px; border-top: 1px solid var(--line); font-weight: 700; }
.co-totals .co-grand dt { color: var(--ink); font-size: 1.0625rem; }
.co-grand dd { font-size: 1.25rem; }
.co-grand small { margin-right: 4px; color: var(--ink-3); font-size: 0.75rem; font-weight: 400; }

.qty { display: inline-flex; align-items: center; border: 1.5px solid var(--line); border-radius: 999px; }

.qty-btn {
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--ink);
    font: inherit;
    font-size: 1.125rem;
    cursor: pointer;
}

.qty-btn:hover:not(:disabled) { background: var(--stone); }
.qty-btn:disabled { color: var(--line); cursor: default; }
.qty-val { min-width: 2ch; font-weight: 600; text-align: center; }

.co-summary { position: sticky; top: 96px; }
.co-pay { width: 100%; min-height: 56px; margin-top: 8px; font-size: 1.0625rem; }
.co-pay:disabled { opacity: 0.4; cursor: default; }
.co-pay[hidden], .co-paypal[hidden], .co-grid[hidden], .co-done[hidden] { display: none; }
.co-paypal { margin-top: 8px; }
.co-paypal paypal-button { display: block; width: 100%; --paypal-button-border-radius: 999px; }
.co-msg { color: #B42318; font-weight: 600; }

.card-field {
    height: 48px;
    overflow: hidden;
    border: 1.5px solid var(--line);
    border-radius: 12px;
    background: var(--paper);
}

.card-field:focus-within { border-color: var(--focus); outline: 2px solid var(--focus); outline-offset: 0; }
.card-field > * { display: block; width: 100%; }

.co-done { display: grid; gap: 16px; justify-items: start; margin-top: 32px; }
.co-done-text { color: var(--ink-2); }

.specs-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    margin-top: 48px;
    align-items: start;
}

.spec-table { width: 100%; border-collapse: collapse; border-top: 1px solid var(--line); }
.spec-table tr { border-bottom: 1px solid var(--line); }

.spec-table th {
    width: 32%;
    padding: 14px 16px 14px 0;
    text-align: left;
    vertical-align: top;
    font-weight: 600;
}

.spec-table td { padding: 14px 0; color: var(--ink-2); }

.box-title { font-size: 1.25rem; font-weight: 650; }

.box-list { margin-top: 14px; padding: 0; list-style: none; border-top: 1px solid var(--line); }

.box-list li {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    color: var(--ink-2);
}

.box-list li span:last-child { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }

.acc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px 20px;
    margin-top: 48px;
    padding: 0;
    list-style: none;
}

.acc { display: grid; gap: 8px; align-content: start; }

.acc-link { display: grid; gap: 8px; align-content: start; color: inherit; text-decoration: none; }
.acc-link .acc-media img { transition: transform 0.2s; }
.acc-link:hover .acc-media img { transform: scale(1.04); }
.acc-link:hover h3 { text-decoration: underline; text-underline-offset: 4px; }

.acc-grid--fill { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.acc-media {
    display: grid;
    place-items: center;
    aspect-ratio: 1 / 1;
    margin-bottom: 6px;
    border-radius: var(--r-panel);
    background: var(--pet, var(--paper));
    overflow: hidden;
}

.acc-media img { width: 58%; }

.acc-media--wide img { width: 78%; }

.acc h3 { font-size: 1.125rem; font-weight: 650; line-height: 1.25; }
.acc p { font-size: 0.9375rem; color: var(--ink-2); }
.acc-price { font-weight: 600; }

[data-color="pink"] { --pet: var(--blush); }
[data-color="blue"] { --pet: var(--sky); }
[data-color="cream"] { --pet: var(--butter); }

.pdp { padding-top: clamp(20px, 3vw, 36px); }

.crumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0 0 clamp(20px, 3vw, 32px);
    padding: 0;
    list-style: none;
    color: var(--ink-3);
    font-size: 0.875rem;
}

.crumbs li + li::before { content: "/"; margin-right: 6px; color: var(--ink-3); }
.crumbs a { color: var(--ink-2); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }

.pdp-media {
    display: grid;
    place-items: center;
    aspect-ratio: 1 / 1;
    border-radius: var(--r-stage);
    background: var(--pet, var(--paper));
    overflow: hidden;
}

.pdp-media img { width: min(72%, 400px); }
.pdp-media--tall img { width: min(54%, 340px); }

.pdp-lead { margin-top: 20px; color: var(--ink-2); }

.swatches { display: flex; flex-wrap: wrap; gap: 8px; }

.swatch {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 4px 14px 4px 6px;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    background: var(--paper);
    color: var(--ink);
    font: inherit;
    font-size: 0.9375rem;
    cursor: pointer;
}

.swatch::before {
    content: "";
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--pet);
    box-shadow: inset 0 0 0 1px rgba(28, 37, 54, 0.14);
}

.swatch:hover { border-color: var(--ink-3); }
.swatch[aria-pressed="true"] { border-color: var(--ink); }

.pdp-qty { display: flex; align-items: center; gap: 16px; margin-top: 24px; font-weight: 600; }

.points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(24px, 4vw, 56px);
    margin-top: 40px;
    padding: 0;
    list-style: none;
}

.point { padding-top: 20px; border-top: 2px solid var(--ink); }
.point h3 { font-size: 1.25rem; font-weight: 650; line-height: 1.2; }
.point p { margin-top: 10px; color: var(--ink-2); }

.faq-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: clamp(28px, 5vw, 72px);
    align-items: start;
}

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

.faq-list summary {
    position: relative;
    padding: 20px 44px 20px 0;
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.35;
    list-style: none;
    cursor: pointer;
}

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

.faq-list summary::after {
    content: "";
    position: absolute;
    right: 8px;
    top: 50%;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
    transform: translateY(-70%) rotate(45deg);
    transition: transform 0.2s;
}

.faq-list details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-list details p { padding-bottom: 22px; max-width: 62ch; color: var(--ink-2); }

.site-footer {
    padding-block: 64px 36px;
    background: var(--ink);
    color: #DDE1EA;
}

.site-footer :focus-visible { outline-color: #fff; }

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr));
    gap: 32px;
}

.footer-brand .logo { color: #fff; }
.footer-brand p { margin-top: 12px; max-width: 32ch; color: #AEB5C4; font-size: 0.9375rem; }

.site-footer h3 { margin-bottom: 12px; color: #fff; font-size: 0.9375rem; font-weight: 600; }
.footer-links { display: grid; gap: 8px; padding: 0; list-style: none; font-size: 0.9375rem; }
.footer-links a { color: #C3C8D4; text-decoration: none; }
.footer-links a:hover { color: #fff; text-decoration: underline; }

.fineprint {
    display: grid;
    gap: 6px;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    color: #A3AABA;
    font-size: 0.8125rem;
}

@media (max-width: 1080px) {
    .nav-links { gap: 18px; }
    .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
    .nav-links { display: none; }
    .nav-tools { margin-left: auto; }
    .menu-btn { display: inline-grid; }

    .menu-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; padding-block: 16px 24px; }
    .menu-title { margin-bottom: 4px; }
    .menu-acc { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .menu-card { grid-template-columns: 56px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 8px 0; }
    .menu-card .acc-media { width: 56px; margin: 0; border-radius: 12px; }
    .menu-sections { display: grid; padding: 8px 0 0; border-top: 1px solid var(--line); list-style: none; }
    .menu-sections a { display: block; padding: 10px 0; color: var(--ink); font-size: 1.0625rem; font-weight: 500; text-decoration: none; }

    .hero-grid,
    .split,
    .sim-grid,
    .feature,
    .buy-grid,
    .specs-grid,
    .co-grid,
    .faq-grid { grid-template-columns: minmax(0, 1fr); }

    .hero-figure { margin-top: 8px; }
    .split--sticky > .photo { position: static; }
    .hero-lcd { left: 12px; bottom: -28px; }
    .feature:nth-child(even) .feature-media { order: 0; }
    .buy-panel { position: static; }
    .co-summary { position: static; order: -1; }
    .points { grid-template-columns: minmax(0, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-brand { grid-column: 1 / -1; }
    .sim-stage .bezel { --s: 2.3; }
}

@media (max-width: 560px) {
    body { font-size: 1rem; }
    .steps { grid-template-columns: minmax(0, 1fr); }
    .step-visual { aspect-ratio: 16 / 10; }
    .acc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 12px; }
    .hero-lcd .bezel { --s: 1.05; }
    .sim-stage .bezel { --s: 1.95; }
    .mode { grid-template-columns: minmax(0, 1fr); }
    .collars { gap: 10px; }
    .logo { font-size: 1.45rem; }
    .nav { gap: 12px; }
    .co-panel { padding: 20px 16px; }
    .field-row3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .field-row3 > :first-child { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}