/* 卡好Cut how 銷售首頁（1.43）— 方向：The product performs（產品自己在頁面上動）
   一個底色（炭灰）、一個字色（米白）、一個重點色（鼠尾草綠，只給按鈕和選中的狀態）、一塊舞台色（卡好紅，只有第一屏那一塊）。
   不用漸層、不用陰影（只有 data-ui 裡面的產品介面照產品自己的樣子）、不用細線分隔。 */
:root {
  --bg: #1c1c1c; --surface: #262626; --surface-2: #303030;
  --ink: #f1f1ef; --muted: #b6b7b1;
  --accent: #8fa68e; --accent-ink: #1c1c1c;
  --field: #c8c5ba; --field-ink: #1c1c1c;
  --stage: #2b5fe0; --stage-ink: #ffffff;
  --kw: #19b394; --big: clamp(2.75rem, 5.2vw, 5rem); --head: clamp(2.25rem, 4.2vw, 4.25rem); --lead-s: 1.375rem;
  --m: clamp(16px, 2.6vw, 40px);
  --r: 0px;
  --step-small: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.25rem, 1.1rem + 0.7vw, 1.625rem);
  --step-head: clamp(2rem, 1.3rem + 3.2vw, 4rem);
  --step-display: clamp(2.75rem, 5.2vw, 5rem);
  --font: "Clash Grotesk", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .7, .1, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: var(--step-body); line-height: 1.55; font-weight: 400; }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-weight: 500; margin: 0; letter-spacing: -0.03em; line-height: 1.02; }
p { margin: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--accent); color: var(--accent-ink); }

.btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; background: var(--accent); color: var(--accent-ink); text-decoration: none; font: 500 var(--step-body)/1 var(--font); border: 0; border-radius: var(--r); cursor: pointer; transition: transform .15s var(--ease), background-color .15s; }
.btn:hover { background: #a3b8a2; }
.btn:active { transform: translateY(1px) scale(.98); }

/* ---------- 導覽 ---------- */
.nav { position: absolute; top: 0; left: 0; right: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; padding: 28px var(--m) 0; font-size: 15px; }
.wordmark { text-decoration: none; font-weight: 500; font-size: var(--lead-s); letter-spacing: -0.02em; }
.wordmark span { margin-left: 6px; color: var(--muted); }
.nav nav { display: flex; gap: 26px; }
.nav nav a { text-decoration: none; transition: color .15s; }
.nav nav a:hover { color: var(--accent); }
.nav .nav-login { color: var(--accent); }

/* ---------- 第一屏 ---------- */
.hero { position: relative; min-height: max(100svh, 860px); padding: 150px var(--m) 0; overflow: hidden; }
.hero-copy { max-width: 46rem; position: relative; z-index: 2; }
.hero h1 { font-size: var(--step-display); line-height: .98; }
.hero .lead { margin: 26px 0 30px; max-width: 19em; font-size: var(--lead-s); line-height: 1.5; }
.stage { position: absolute; left: 38%; right: 0; top: 30%; bottom: 0; background: var(--stage); color: var(--stage-ink); padding: 44px 0 0 56px;
  clip-path: polygon(0 56px, 180px 56px, 210px 0, 100% 0, 100% 100%, 0 100%); }
.stage::before { content: ""; } /* 左上角那個缺口＝卡片的索引標籤（卡好的「卡」） */
.karc { position: relative; height: 380px; outline: none; touch-action: pan-y; user-select: none; -webkit-user-select: none; cursor: grab; margin-top: 18px; }
.karc.drag { cursor: grabbing; }
.karc-track { position: absolute; inset: 0; }
.kc { position: absolute; left: 50%; top: 0; width: 190px; height: 338px; margin-left: -95px; border-radius: 16px; overflow: hidden; background: #111;
  transform-origin: 50% 120%; transition: transform .45s var(--ease), opacity .45s var(--ease), filter .45s; will-change: transform; }
.kc img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; -webkit-user-drag: none; }
.kc .kc-frame { transition: transform 6s linear; }
.kc.on .kc-frame { transform: scale(1.08); }
.kc .kc-n { position: absolute; left: 10px; bottom: 10px; color: #fff; font-size: 14px; font-weight: 500; letter-spacing: 0; z-index: 2; background: rgba(0,0,0,.62); padding: 3px 8px; border-radius: 6px; }
.kc.on { outline: 3px solid #fff; outline-offset: -3px; }
.karc-nav { position: absolute; top: 145px; width: 48px; height: 48px; border-radius: 50%; border: 0; background: #1c1c1c; color: #fff; font: 500 26px/1 var(--font); cursor: pointer; z-index: 50; transition: transform .15s; }
.karc-nav:hover { transform: scale(1.08); }
.karc-nav:active { transform: scale(.94); }
.karc-nav.prev { left: calc(50% - 176px); }
.karc-nav.next { left: calc(50% + 128px); }
.karc-info { padding: 6px 0 40px; text-align: center; max-width: 520px; margin: 0 auto; }
.karc-name { font-size: var(--lead-s); font-weight: 500; }
.karc-tag { font-size: 15px; line-height: 1.5; margin-top: 2px; }
.karc-count { font-size: 15px; margin-top: 4px; }

/* ---------- 打一句話 ---------- */
.try { padding: 140px var(--m) 120px; min-height: 88svh; background: var(--field); color: var(--field-ink); margin-top: 180px; }
.try-line { display: block; }
.try-line input { width: 100%; background: transparent; border: 0; color: var(--field-ink); font: 500 clamp(44px, 8vw, 132px)/1.05 var(--font); letter-spacing: -0.04em; padding: 0; caret-color: #1c1c1c; outline: none; }
.try-line input { border-bottom: 6px solid transparent; } .try-line input:focus-visible { outline: none; border-bottom-color: #1c1c1c; }
.try-out { display: flex; gap: 40px; align-items: flex-start; margin-top: 48px; }
.try-phone { position: relative; width: 260px; aspect-ratio: 9 / 16; border-radius: 14px; overflow: hidden; flex: 0 0 auto; background: #111; }
.try-phone img { width: 100%; height: 100%; object-fit: cover; }
.try-cap { position: absolute; left: 0; right: 0; bottom: 30%; text-align: center; font-size: 36px; font-weight: 500; color: #fff; -webkit-text-stroke: 5px #111; paint-order: stroke fill; letter-spacing: 0; }
.try-cap.kw { color: var(--kw); }
.try-cap.pop { animation: pop .28s var(--ease); }
@keyframes pop { from { transform: scale(.7); opacity: .2; } to { transform: none; opacity: 1; } }
.try-rows { list-style: none; margin: 0; padding: 0; width: min(560px, 100%); display: grid; gap: 6px; font-size: 15px; color: var(--ink); }
.try-rows li { display: grid; grid-template-columns: 64px 1fr auto; gap: 14px; align-items: center; background: var(--surface); padding: 12px 16px; border-radius: 8px; transition: background-color .2s; }
.try-rows li em { font-style: normal; color: var(--muted); font-variant-numeric: tabular-nums; }
.try-rows li b { font-weight: 500; font-size: var(--lead-s); }
.try-rows li.kw b { color: var(--kw); }
.try-rows li small { color: var(--muted); font-size: 14px; }
.try-rows li.now { background: var(--surface-2); }
.try-note { margin-top: 28px; max-width: 28em; }
.try-ex { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 40px; }
.try-ex button { background: none; border: 0; color: #4a4a46; font: 400 var(--step-body)/1.4 var(--font); padding: 6px 0; cursor: pointer; transition: color .15s, transform .15s; }
.try-ex button:hover { color: #1c1c1c; transform: translateX(3px); }

/* ---------- 拖過四個階段 ---------- */
.how { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr auto; min-height: 88svh; margin-top: 180px; }
.how-left { background: var(--surface); padding: 120px var(--m) 60px; }
.how-left h2 { font-size: var(--head); line-height: 1.05; transition: opacity .2s; }
.how-left p { margin-top: 26px; max-width: 34ch; transition: opacity .2s; }
.how-right { background: #e4e5e3; color: var(--field-ink); display: flex; align-items: center; justify-content: center; padding: 80px 28px 40px; }
.how-slider { grid-column: 1 / -1; background: var(--surface); padding: 28px var(--m) 36px; }
.how-slider input { width: 100%; height: 32px; margin: 0; accent-color: var(--accent); cursor: grab; }
.how-names { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 14px; font-size: 15px; color: var(--muted); }
.how-names span { cursor: pointer; transition: color .2s; }
.how-names span.on { color: var(--ink); }
.how-names span:nth-child(2) { text-align: center; } .how-names span:nth-child(3) { text-align: center; } .how-names span:nth-child(4) { text-align: right; }
/* 產品介面（data-ui：照產品自己的樣子，可以有細框、小圓角） */
.how-frag { width: min(440px, 100%); background: #fff; color: #1d1f24; border-radius: 14px; padding: 22px; font-size: 14px; min-height: 300px; position: relative; }
.hf { display: none; }
.how-frag[data-s="0"] .hf0, .how-frag[data-s="1"] .hf1, .how-frag[data-s="2"] .hf2, .how-frag[data-s="3"] .hf3 { display: block; animation: hfIn .2s var(--ease); }
@keyframes hfIn { from { opacity: 0; } to { opacity: 1; } }
.hf-h { font-weight: 500; font-size: 16px; margin-bottom: 14px; }
.hf-file { display: flex; gap: 12px; align-items: center; border: 1px solid #e3e3e0; border-radius: 10px; padding: 10px; margin-bottom: 8px; }
.hf-file img { width: 54px; height: 96px; object-fit: cover; border-radius: 6px; }
.hf-file div { flex: 1; display: grid; } .hf-file span { color: #6b6f78; font-size: 13px; }
.hf-file i { font-style: normal; color: #19b394; font-weight: 500; }
.hf-file.dim { color: #6b6f78; border-style: dashed; }
.hf-ph { width: 54px; height: 54px; display: grid; place-items: center; font-size: 22px; background: #f2f2ef; border-radius: 6px; }
.hf-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.hf-chips span { padding: 8px 12px; border-radius: 999px; background: #f0f0ed; }
.hf-chips span.on { background: #1d1f24; color: #fff; }
.hf-ai { margin-top: 16px; color: #3d4048; line-height: 1.5; }
.hf-steps { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 8px; }
.hf-steps li { padding-left: 24px; position: relative; color: #9a9da4; }
.hf-steps li::before { content: "○"; position: absolute; left: 0; }
.hf-steps li.ok { color: #1d1f24; } .hf-steps li.ok::before { content: "●"; color: #19b394; } /* taste-skill-ignore 產品介面裡的完成記號 */
.hf-steps li.now { color: #1d1f24; font-weight: 500; } .hf-steps li.now::before { content: "●"; color: #2b5fe0; }
.hf-bar { height: 8px; background: #ececea; border-radius: 99px; overflow: hidden; } .hf-bar span { display: block; height: 100%; background: #2b5fe0; }
.hf-eta { margin-top: 8px; color: #6b6f78; font-size: 13px; }
.hf-out { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 12px; border-radius: 10px; background: #f5f5f2; margin-bottom: 8px; }
.hf-out em { font-style: normal; color: #6b6f78; font-variant-numeric: tabular-nums; }
.hf-out b { font-weight: 500; background: #1d1f24; color: #fff; padding: 6px 12px; border-radius: 8px; font-size: 13px; }

/* ---------- 不只是剪片 ---------- */
.feats { padding: 200px var(--m) 0; }
.feats h2 { font-size: var(--head); margin-bottom: 56px; }
.cells { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.cell { background: var(--surface); min-height: 440px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.cell-t { padding: 24px; }
.cell-t h3 { font-size: var(--lead-s); letter-spacing: -0.01em; margin-bottom: 8px; line-height: 1.3; }
.cell-t p { font-size: var(--step-body); color: var(--ink); max-width: 20em; }
.frag { font-size: 14px; }
.frag-rows { margin: 0 0 -1px 24px; background: #fff; color: #1d1f24; border-radius: 12px 0 0 0; padding: 12px 0 12px 12px; }
.fr { display: grid; grid-template-columns: 52px 1fr 44px; gap: 10px; padding: 10px 12px; border-radius: 8px 0 0 8px; }
.fr em { font-style: normal; color: #565a62; font-variant-numeric: tabular-nums; } .fr b { font-weight: 500; color: #2b5fe0; }
.fr.on { background: #f1f1ee; }
.frag-looks { display: flex; gap: 8px; padding: 24px 0 0 24px; margin-right: -60px; }
.frag-looks figure { margin: 0; width: 150px; flex: 0 0 auto; transition: transform .25s var(--ease); }
.frag-looks figure:hover { transform: translateY(-4px); }
.frag-looks img { width: 150px; height: 225px; object-fit: cover; border-radius: 10px; }
.frag-looks figcaption { font-size: 13px; margin-top: 6px; color: var(--muted); }
.frag-looks figure.on img { outline: 3px solid var(--accent); outline-offset: -3px; }
.frag-looks figure.on figcaption { color: var(--ink); }
.frag-ip { display: flex; gap: 8px; padding: 0 0 0 24px; margin-right: -40px; align-items: flex-end; }
.frag-ip img { width: 118px; height: 177px; object-fit: cover; border-radius: 10px 10px 0 0; transition: transform .25s var(--ease); }
.frag-ip img:hover { transform: translateY(-6px); }
.frag-ip img.on { outline: 3px solid var(--accent); outline-offset: -3px; }
.frag-coach { margin: 24px 0 0 24px; background: #3f6fd6; color: #fff; border-radius: 14px 0 0 14px; padding: 20px 22px; }
.frag-coach small { font-size: 13px; opacity: .85; } .frag-coach b { display: block; font-size: 20px; font-weight: 500; margin: 6px 0 12px; line-height: 1.3; }
.frag-coach ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.frag-coach i { font-style: normal; font-size: 12px; background: rgba(255,255,255,.2); padding: 1px 8px; border-radius: 99px; margin-right: 8px; }
.frag-subs { margin: 0 24px 0 0; background: #fff; color: #1d1f24; border-radius: 0 12px 0 0; padding: 14px 14px 14px 0; display: grid; gap: 6px; }
.fs { display: grid; grid-template-columns: 50px 1fr; gap: 10px; align-items: center; padding: 8px 10px 8px 24px; }
.fs em { font-style: normal; color: #6b6f78; font-variant-numeric: tabular-nums; }
.fs span { border: 1px solid #e3e3e0; border-radius: 8px; padding: 8px 10px; }
.fs.on { background: #eef3fd; } .fs.on span { border-color: #2b5fe0; }
.frag-brand { padding: 24px; display: grid; gap: 18px; }
.sw { display: flex; gap: 10px; } .sw i { width: 44px; height: 44px; border-radius: 50%; display: block; transition: transform .2s; } .sw i:hover { transform: scale(1.1); }
.sw i:first-child { outline: 3px solid var(--ink); outline-offset: 3px; }
.cta-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cta-chips span { padding: 10px 16px; border-radius: 999px; background: var(--surface-2); }
.cta-chips span.on { background: #19b394; color: #06231c; }

/* ---------- 方案 ---------- */
.plans { display: grid; grid-template-columns: repeat(12, 1fr); gap: 0 24px; padding: 220px var(--m) 0; align-items: start; }
.plan-names { grid-column: 1 / 7; display: grid; justify-items: start; }
.plan-names button { background: none; border: 0; color: var(--muted); font: 500 var(--head)/1.15 var(--font); letter-spacing: -0.03em; padding: 0; cursor: pointer; display: flex; align-items: center; gap: .3em; transition: color .2s, transform .2s var(--ease); text-align: left; }
.plan-names button::before { content: ""; width: .3em; height: .3em; border-radius: 50%; background: transparent; flex: 0 0 auto; transition: background-color .2s; }
.plan-names button:hover { color: var(--ink); }
.plan-names button.on { color: var(--ink); }
.plan-names button.on::before { background: var(--accent); }
.plan-stage { grid-column: 8 / 13; position: sticky; top: 40px; background: var(--surface); padding: 32px; transition: opacity .2s; }
.bill { display: inline-flex; background: var(--bg); padding: 4px; gap: 4px; margin-bottom: 24px; }
.bill button { background: none; border: 0; color: var(--muted); font: 400 15px/1 var(--font); padding: 10px 14px; cursor: pointer; transition: background-color .15s, color .15s; }
.bill button.on { background: var(--surface-2); color: var(--ink); }
.plan-price { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.plan-price b { font-weight: 500; font-size: var(--big); letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan-price span { font-size: var(--step-body); color: var(--muted); }
.plan-who { margin-top: 18px; font-weight: 500; }
.plan-incl { margin-top: 8px; max-width: 22em; }
.plan-stage .btn { margin-top: 26px; }
.plan-note { margin-top: 26px; font-size: 15px; color: var(--ink); line-height: 1.6; }

/* ---------- 問題 ---------- */
.faq { display: grid; grid-template-columns: repeat(12, 1fr); gap: 0 24px; padding: 220px var(--m) 0; }
.faq h2 { grid-column: 1 / 5; font-size: var(--head); position: sticky; top: 96px; align-self: start; }
.faq-list { grid-column: 5 / 13; display: grid; gap: 8px; }
.faq details { background: var(--surface); border-radius: var(--r); transition: background-color .2s; }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; padding: 0 24px; font-size: var(--lead-s); font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 30px; font-weight: 400; line-height: 1; flex: 0 0 auto; transition: transform .2s; }
.faq details[open] { background: #aabdaa; color: var(--accent-ink); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 24px 24px; max-width: 30em; }
.faq summary:hover { background: rgba(255,255,255,.03); }

/* ---------- 登入 ---------- */
.login { margin-top: 200px; padding: 140px var(--m) 140px; background: var(--surface); min-height: 70svh; }
.login-line { display: flex; flex-wrap: nowrap; align-items: center; gap: .3em; font-size: var(--big); font-weight: 500; letter-spacing: -0.03em; line-height: 1.15; }
.login-line input { font: inherit; letter-spacing: 0; font-size: .42em; height: 2.4em; width: 15em; background: var(--bg); max-width: 100%; background: var(--surface); color: var(--ink); border: 0; padding: 0 .6em; border-radius: var(--r); }
.login-line input::placeholder { color: var(--muted); }
.login-line button { font: inherit; letter-spacing: -0.03em; background: var(--accent); color: var(--accent-ink); border: 0; padding: 0 .3em; height: 1.15em; cursor: pointer; transition: transform .15s, background-color .15s; }
.login-line button:hover { background: #a3b8a2; } .login-line button:active { transform: scale(.97); }
.login-note { margin-top: 26px; max-width: 34em; color: var(--ink); }
.login-google { margin-top: 26px; }
.login-google .or { display: none; }
.login .err, .login .warn { font-size: 18px; margin-bottom: 18px; padding: 14px 18px; background: #5a2a22; color: #ffd9d0; display: inline-block; }
.login .warn { background: #4a4126; color: #ffeec2; }

/* ---------- 頁尾 ---------- */
.foot { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: baseline; padding: 64px var(--m) 30px; font-size: 15px; color: var(--muted); }
.foot-links { display: flex; gap: 24px; } .foot-links a { color: var(--ink); text-decoration: none; } .foot-links a:hover { color: var(--accent); }
.foot-r { text-align: right; }

/* ---------- 進場（有 JS 才藏，沒有 JS 一律看得到） ---------- */
.js .rise { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0ms); }
.js .rise.in { opacity: 1; transform: none; }
.js .shutter { clip-path: polygon(100% 56px, 100% 56px, 100% 0, 100% 0, 100% 100%, 100% 100%); transition: clip-path 1.1s var(--ease); }
.js .shutter.in { clip-path: polygon(0 56px, 180px 56px, 210px 0, 100% 0, 100% 100%, 0 100%); }
.js .shutter .karc-track { transform: scale(1.12); transition: transform 1.1s var(--ease); }
.js .shutter.in .karc-track { transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .rise, .js .shutter, .js .shutter .karc-track { opacity: 1; transform: none; transition: none; }
  .js .shutter { clip-path: polygon(0 56px, 180px 56px, 210px 0, 100% 0, 100% 100%, 0 100%); }
  .kc, .kc .kc-frame { transition: none; } .kc.on .kc-frame { transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 手機：自己的排法 ---------- */
@media (max-width: 860px) {
  .nav { padding-top: 20px; } .nav nav a:not(.nav-login):not([href="#plans"]) { display: none; } .nav nav { gap: 18px; }
  .hero { padding: 96px 16px 0; min-height: 0; }
  .hero h1 { font-size: 10vw; }
  .hero .lead { font-size: 17px; margin: 18px 0 24px; }
  .stage { position: relative; left: auto; right: auto; top: auto; bottom: auto; margin: 44px -16px 0; padding: 36px 0 0; clip-path: polygon(0 40px, 72px 40px, 96px 0, 100% 0, 100% 100%, 0 100%); }
  .js .shutter.in { clip-path: polygon(0 40px, 72px 40px, 96px 0, 100% 0, 100% 100%, 0 100%); }
  .karc { height: 380px; }
  .kc { width: 190px; height: 338px; margin-left: -95px; }
  .karc-nav { top: 140px; width: 42px; height: 42px; }
  .karc-nav.prev { left: 8px; } .karc-nav.next { left: auto; right: 8px; }
  .karc-info { padding: 0 16px 32px; }
  .try { padding: 72px 16px 72px; min-height: 0; margin-top: 100px; }
  .try-line input { font-size: max(44px, 11vw); }
  .try-out { flex-direction: column; gap: 20px; margin-top: 28px; }
  .try-phone { width: 180px; }
  .try-ex { gap: 8px; } .try-ex button { background: #b5b2a6; color: #1c1c1c; min-height: 44px; padding: 0 14px; }
  .how { grid-template-columns: 1fr; grid-template-rows: auto; margin-top: 100px; }
  .how-right { order: 1; min-height: 46svh; padding: 28px 16px; align-items: flex-start; }
  .how-slider { order: 3; padding: 8px 16px 40px; } .how-slider input { height: 40px; }
  .how-names { grid-template-columns: 1fr 1fr; gap: 6px; } .how-names span { text-align: left !important; }
  .how-left { order: 2; padding: 40px 16px 32px; } .how-left h2 { font-size: var(--head); }
  .feats { padding: 140px 16px 0; }
  .cells { grid-template-columns: 1fr; gap: 6px; }
  .cell { min-height: 0; } .cell.bottom { flex-direction: column-reverse; }
  .plans, .faq { display: block; padding: 140px 16px 0; }
  .plan-names button { font-size: var(--head); }
  .plan-stage { position: static; margin-top: 24px; padding: 24px 20px; }
  .plan-stage .btn { width: 100%; justify-content: center; }
  .faq h2 { position: static; margin-bottom: 24px; }
  .faq summary { min-height: 64px; padding: 14px 20px; }
  .faq details p { padding: 0 20px 20px; }
  .login { margin-top: 120px; padding: 80px 16px 80px; min-height: 0; }
  .login-line { flex-wrap: wrap; }
  .login-line input { order: 2; width: 100%; font-size: var(--step-body); height: 52px; flex: 1 0 100%; margin: 6px 0; }
  .login-line span:first-child { order: 1; } .login-line span:nth-of-type(2) { order: 3; } .login-line button { order: 4; }
  .foot { display: grid; grid-template-columns: 1fr; gap: 8px; padding: 48px 16px 24px; font-size: 15px; }
  .foot-links { flex-wrap: wrap; gap: 8px 18px; } .foot-r { text-align: left; }
}