/* 운행노트 homepage — dark, like the app (mint on charcoal). */
:root {
  --bg: #0d0e10; --bg-2: #121316; --panel: #17181b; --card: #1d1f23; --card-2: #24262b; --line: #2b2d33; --line-2: #383b42;
  --ink: #f4f5f7; --muted: #a3a8b1; --faint: #6f747d;
  --mint: #2fd3a1; --mint-deep: #0f9f78; --mint-soft: rgba(47, 211, 161, .12);
  --orange: #ff8a3d; --red: #f0614f; --amber: #ffbe5c; --blue: #4b8dff; --violet: #a78bfa;
  --radius: 18px; --radius-lg: 28px; --wrap: 1180px;
  --shadow: 0 30px 80px rgba(0, 0, 0, .45), 0 8px 24px rgba(0, 0, 0, .3);
  font-family: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  color: var(--ink); background: var(--bg); color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); font-size: 16px; line-height: 1.65; letter-spacing: -.01em; -webkit-font-smoothing: antialiased; word-break: keep-all; overflow-wrap: anywhere; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -.03em; }
.wrap { width: min(var(--wrap), 100% - 32px); margin: 0 auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--mint); color: #062a20; padding: 8px 14px; border-radius: 10px; z-index: 99; }
.skip:focus { left: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap.narrow { width: min(860px, 100% - 32px); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 6px; }
.icon { width: 1.25em; height: 1.25em; display: inline-block; flex: none; }
.icon svg { width: 100%; height: 100%; display: block; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(13, 14, 16, .78); backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid rgba(255, 255, 255, .06); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -.03em; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(145deg, #3ee0b0, #10a37d); display: grid; place-items: center; color: #052b20; box-shadow: 0 6px 18px rgba(47, 211, 161, .25); }
.brand-mark .icon { width: 20px; height: 20px; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { padding: 8px 14px; border-radius: 10px; color: var(--muted); font-weight: 600; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: rgba(255, 255, 255, .06); }
.header-cta { padding: 9px 16px; font-size: 15px; }
.menu-button { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; }
.menu-button .icon { width: 22px; height: 22px; }

/* ---------- buttons ---------- */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 14px; padding: 14px 22px; font-weight: 700; font-size: 16px; border: 1px solid transparent; transition: transform .15s ease, background .15s ease, border-color .15s ease; white-space: nowrap; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: var(--mint); color: #05281e; box-shadow: 0 10px 30px rgba(47, 211, 161, .28); }
.button.primary:hover { background: #45dcae; }
.button.ghost { background: rgba(255, 255, 255, .05); border-color: var(--line-2); color: var(--ink); }
.button.ghost:hover { background: rgba(255, 255, 255, .09); }
.button.small { padding: 9px 14px; font-size: 14px; border-radius: 11px; }
.download-meta { margin-top: 14px; color: var(--faint); font-size: 14px; display: flex; flex-wrap: wrap; gap: 6px 12px; }
.download-meta span + span::before { content: "·"; margin-right: 12px; color: var(--line-2); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 40px; }
.hero::before { content: ""; position: absolute; inset: -30% -10% auto 35%; height: 780px; background: radial-gradient(closest-side, rgba(47, 211, 161, .18), transparent 70%); pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: 40px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--mint); font-weight: 700; font-size: 14px; letter-spacing: .02em; padding: 6px 12px; border-radius: 999px; background: var(--mint-soft); border: 1px solid rgba(47, 211, 161, .25); }
.hero h1 { font-size: clamp(38px, 5.4vw, 64px); margin: 18px 0 18px; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--mint); }
.hero .lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--muted); max-width: 34em; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-visual { position: relative; height: 640px; }
.hero-visual .phone { position: absolute; }
.hero-visual .phone.front { right: 8%; top: 10px; width: 300px; z-index: 2; }
.hero-visual .phone.back { left: 0; top: 70px; width: 270px; transform: rotate(-6deg); opacity: .9; }
.float-chip { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; background: rgba(29, 31, 35, .92); border: 1px solid var(--line-2); border-radius: 16px; padding: 12px 14px; box-shadow: var(--shadow); font-size: 14px; backdrop-filter: blur(10px); }
.float-chip strong { display: block; font-size: 15px; }
.float-chip small { color: var(--muted); }
.float-chip .dot { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--mint-soft); color: var(--mint); }
.float-chip.one { right: 0; top: 330px; }
.float-chip.two { left: 4%; bottom: 40px; }

/* ---------- phone frame ---------- */
.phone { border-radius: 42px; padding: 10px; background: linear-gradient(160deg, #2f3238, #16171a); box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, .08); }
.phone .screen { border-radius: 33px; overflow: hidden; background: #1f2023; aspect-ratio: 390 / 844; position: relative; }
.phone .screen img, .phone .screen .mock { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.phone .screen::before { content: ""; position: absolute; top: 8px; left: 50%; width: 82px; height: 22px; transform: translateX(-50%); background: #0b0b0c; border-radius: 999px; z-index: 2; }
.phone .screen.no-notch::before { display: none; }

/* ---------- sections ---------- */
section { padding: 88px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid rgba(255, 255, 255, .04); border-bottom: 1px solid rgba(255, 255, 255, .04); }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .kicker { color: var(--mint); font-weight: 700; font-size: 15px; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 18px; }

/* stats strip */
.strip { padding: 28px 0; border-top: 1px solid rgba(255, 255, 255, .05); border-bottom: 1px solid rgba(255, 255, 255, .05); background: var(--bg-2); }
.strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.strip div { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 15px; }
.strip strong { color: var(--ink); display: block; font-size: 17px; }
.strip .icon { width: 26px; height: 26px; color: var(--mint); }

/* feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: border-color .2s ease, transform .2s ease, background .2s ease; }
.feature-card:hover { border-color: rgba(47, 211, 161, .45); transform: translateY(-2px); background: #1a1c1f; }
.feature-card .badge-icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--mint-soft); color: var(--mint); margin-bottom: 18px; }
.feature-card .badge-icon .icon { width: 24px; height: 24px; }
.feature-card h3 { font-size: 20px; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 15.5px; }
.feature-card .more { margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; color: var(--mint); font-weight: 700; font-size: 14px; }
.tone-orange .badge-icon { background: rgba(255, 138, 61, .12); color: var(--orange); }
.tone-blue .badge-icon { background: rgba(75, 141, 255, .13); color: var(--blue); }
.tone-amber .badge-icon { background: rgba(255, 190, 92, .13); color: var(--amber); }
.tone-violet .badge-icon { background: rgba(167, 139, 250, .14); color: var(--violet); }

/* deep-dive rows */
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 40px 0; }
.showcase + .showcase { border-top: 1px solid rgba(255, 255, 255, .05); }
.showcase.flip .showcase-media { order: -1; }
.showcase h3 { font-size: clamp(26px, 2.8vw, 36px); font-weight: 800; margin: 10px 0 14px; }
.showcase .label { display: inline-flex; gap: 6px; align-items: center; color: var(--mint); font-weight: 700; font-size: 14px; }
.showcase p.desc { color: var(--muted); font-size: 17px; }
.check-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.check-list li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; color: #d6d9de; font-size: 16px; }
.check-list li .icon { color: var(--mint); margin-top: 3px; }
.check-list li b { color: var(--ink); }
.showcase-media { display: flex; justify-content: center; gap: 18px; position: relative; }
.showcase-media .phone { width: 280px; }
.showcase-media .phone.small { width: 240px; margin-top: 60px; }
.showcase-media::before { content: ""; position: absolute; inset: 10% 5%; background: radial-gradient(closest-side, rgba(47, 211, 161, .12), transparent 70%); z-index: -1; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--mint); color: #05281e; font-weight: 800; margin-bottom: 16px; }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 0 22px; }
.faq details[open] { border-color: var(--line-2); background: #191b1e; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 0; font-weight: 700; font-size: 17px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .2s ease; flex: none; margin-top: -4px; }
.faq details[open] summary::after { transform: rotate(225deg); margin-top: 4px; }
.faq .answer { padding: 0 0 22px; color: #c9ccd2; font-size: 15.5px; }
.faq .answer p + p, .faq .answer ul { margin-top: 10px; }
.faq .answer ul { padding-left: 20px; }
.faq-group h3 { font-size: 20px; margin: 40px 0 14px; color: var(--muted); }
.faq-group:first-child h3 { margin-top: 0; }

/* CTA band */
.cta-band { padding: 80px 0; }
.cta-card { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: 56px; background: linear-gradient(135deg, #123b30 0%, #0f1714 55%, #15171a 100%); border: 1px solid rgba(47, 211, 161, .25); display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.cta-card h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; }
.cta-card p { color: #b9c4bf; margin-top: 10px; font-size: 17px; }

/* footer */
.site-footer { border-top: 1px solid rgba(255, 255, 255, .06); padding: 44px 0 56px; color: var(--faint); font-size: 14px; }
.site-footer .wrap { display: grid; grid-template-columns: 1.2fr 2fr; gap: 30px; }
.site-footer nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 24px; }
.site-footer nav h4 { color: var(--muted); font-size: 14px; margin-bottom: 4px; }
.site-footer nav a { color: var(--faint); }
.site-footer nav a:hover { color: var(--ink); }
.site-footer .note { margin-top: 12px; line-height: 1.7; }

/* ---------- inner pages ---------- */
.page-hero { padding: 64px 0 36px; border-bottom: 1px solid rgba(255, 255, 255, .05); background: radial-gradient(900px 300px at 80% 0, rgba(47, 211, 161, .1), transparent 70%); }
.page-hero h1 { font-size: clamp(34px, 4.4vw, 52px); font-weight: 800; margin-top: 14px; }
.page-hero p { color: var(--muted); font-size: 18px; margin-top: 14px; max-width: 46em; }
.chip-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.chip-nav a { padding: 8px 14px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line); color: var(--muted); font-size: 14px; font-weight: 600; }
.chip-nav a:hover { color: var(--ink); border-color: var(--line-2); }

.doc-layout { display: grid; grid-template-columns: 250px 1fr; gap: 56px; padding: 48px 0 80px; }
.toc { position: sticky; top: 92px; align-self: start; max-height: calc(100vh - 110px); overflow: auto; padding-right: 6px; }
.toc h4 { color: var(--faint); font-size: 13px; letter-spacing: .04em; margin-bottom: 10px; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; counter-reset: toc; }
.toc a { display: flex; gap: 10px; padding: 8px 10px; border-radius: 10px; color: var(--muted); font-size: 14.5px; font-weight: 600; }
.toc a::before { counter-increment: toc; content: counter(toc, decimal-leading-zero); color: var(--faint); font-variant-numeric: tabular-nums; font-size: 12.5px; margin-top: 2px; }
.toc a:hover, .toc a.active { background: rgba(255, 255, 255, .05); color: var(--ink); }
.toc a.active::before { color: var(--mint); }
.toc-mobile { display: none; }

.doc { min-width: 0; }
.doc-section { padding: 8px 0 48px; border-bottom: 1px solid rgba(255, 255, 255, .05); margin-bottom: 48px; }
.doc-section:last-child { border-bottom: 0; }
.doc-section > .num { color: var(--mint); font-weight: 800; font-size: 14px; letter-spacing: .04em; }
.doc-section h2 { font-size: clamp(26px, 2.6vw, 34px); font-weight: 800; margin: 6px 0 12px; }
.doc-section > p.intro { color: var(--muted); font-size: 17px; max-width: 44em; }
.doc-section h3 { font-size: 20px; margin: 30px 0 12px; }
.doc-body { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 36px; align-items: start; margin-top: 22px; }
.doc-body.full { grid-template-columns: 1fr; }
.doc-body .phone { width: 250px; position: sticky; top: 100px; }
.steps-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; counter-reset: s; }
.steps-list li { position: relative; padding: 16px 18px 16px 58px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; color: #d4d7dc; }
.steps-list li::before { counter-increment: s; content: counter(s); position: absolute; left: 16px; top: 15px; width: 28px; height: 28px; border-radius: 9px; background: var(--card-2); color: var(--mint); font-weight: 800; font-size: 14px; display: grid; place-items: center; border: 1px solid var(--line-2); }
.steps-list li b { color: var(--ink); }
.kbd { display: inline-block; padding: 1px 8px; border-radius: 7px; background: var(--card-2); border: 1px solid var(--line-2); font-size: .92em; color: var(--ink); white-space: nowrap; font-weight: 600; }
.callout { margin-top: 18px; display: grid; grid-template-columns: 24px 1fr; gap: 12px; padding: 16px 18px; border-radius: 14px; background: var(--mint-soft); border: 1px solid rgba(47, 211, 161, .25); color: #d5efe6; font-size: 15px; }
.callout .icon { color: var(--mint); margin-top: 2px; }
.callout.warn { background: rgba(255, 190, 92, .09); border-color: rgba(255, 190, 92, .28); color: #f1e2c7; }
.callout.warn .icon { color: var(--amber); }
.spec { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.spec div { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.spec b { display: block; margin-bottom: 4px; }
.spec span { color: var(--muted); font-size: 15px; }

/* feature detail page */
.feature-detail { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; align-items: start; padding: 64px 0; border-bottom: 1px solid rgba(255, 255, 255, .05); }
.feature-detail:last-child { border-bottom: 0; }
.feature-detail .phone { width: 300px; position: sticky; top: 100px; }
.feature-detail h2 { font-size: clamp(28px, 3vw, 38px); font-weight: 800; margin: 10px 0 14px; }
.feature-detail .lede { color: var(--muted); font-size: 18px; }
.feature-detail h3 { font-size: 18px; margin: 28px 0 10px; }
.mini-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.mini-grid div { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.mini-grid b { display: flex; gap: 8px; align-items: center; margin-bottom: 4px; }
.mini-grid b .icon { color: var(--mint); width: 18px; height: 18px; }
.mini-grid span { color: var(--muted); font-size: 14.5px; }

/* ---------- drawn app mockups (screens the preview cannot show) ---------- */
.mock { background: #17181b; color: #f4f5f7; font-size: 13px; display: flex; flex-direction: column; font-family: inherit; }
.mock .bar { height: 46px; flex: none; }
.mock-title { padding: 6px 16px 10px; font-weight: 800; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.mock-title small { color: #9ea3ad; font-weight: 600; font-size: 12px; }
.mock-section { color: #9ea3ad; font-size: 11.5px; font-weight: 600; padding: 14px 16px 6px; }
.mock-row { display: flex; align-items: center; gap: 10px; padding: 11px 16px; background: #212226; border-top: 1px solid #2c2d33; }
.mock-row:first-of-type { border-top: 0; }
.mock-row .t { flex: 1; min-width: 0; }
.mock-row .t b { display: block; font-size: 13.5px; }
.mock-row .t span { color: #9ea3ad; font-size: 11px; }
.mock-row .v { color: #9ea3ad; font-size: 12px; white-space: nowrap; }
.mock-row .v.warn { color: #ffbe5c; }
.mock-switch { width: 34px; height: 20px; border-radius: 999px; background: #3d3f46; position: relative; flex: none; }
.mock-switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: #c4c8cf; }
.mock-switch.on { background: rgba(47, 211, 161, .5); }
.mock-switch.on::after { left: 17px; background: #2fd3a1; }
/* Insung list (illustration) */
.mock.insung { background: #f3f4f6; color: #1b1d22; }
.mock.insung .ins-top { background: #2463c9; color: #fff; padding: 52px 14px 10px; font-weight: 800; font-size: 15px; display: flex; justify-content: space-between; align-items: center; }
.mock.insung .ins-tabs { display: flex; background: #fff; border-bottom: 1px solid #dfe3e8; font-size: 12px; font-weight: 700; }
.mock.insung .ins-tabs span { flex: 1; text-align: center; padding: 9px 0; color: #69707c; }
.mock.insung .ins-tabs span.on { color: #2463c9; box-shadow: inset 0 -2px 0 #2463c9; }
.ins-row { display: grid; grid-template-columns: 36px 1fr 46px 40px; gap: 6px; align-items: center; padding: 10px 10px; background: #fff; border-bottom: 1px solid #e8ebef; font-size: 12px; }
.ins-row .km { color: #2463c9; font-weight: 800; text-align: center; }
.ins-row .route b { display: block; font-size: 12.5px; }
.ins-row .route span { color: #7a818c; font-size: 11px; }
.ins-row .fee { font-weight: 800; text-align: right; }
.ins-row .detail-btn { justify-self: end; font-size: 10.5px; font-weight: 800; color: #05281e; background: #2fd3a1; border-radius: 7px; padding: 5px 6px; box-shadow: 0 2px 6px rgba(15, 159, 120, .35); }
.ins-row.hidden-row { opacity: .35; text-decoration: line-through; }
.tool-button { position: absolute; right: 8px; top: 46%; width: 36px; height: 36px; border-radius: 11px; background: #17181b; color: #2fd3a1; display: grid; place-items: center; box-shadow: 0 6px 16px rgba(0, 0, 0, .35); font-weight: 900; font-size: 18px; z-index: 3; }
.tool-menu { position: absolute; right: 50px; top: 37%; width: 150px; background: #1d1f23; color: #f4f5f7; border-radius: 14px; padding: 6px; box-shadow: 0 16px 40px rgba(0, 0, 0, .45); z-index: 3; font-size: 12px; }
.tool-menu div { padding: 8px 10px; border-radius: 9px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.tool-menu div + div { border-top: 1px solid #2c2d33; }
.tool-menu .on { color: #2fd3a1; font-weight: 700; }
/* detail sheet (illustration) */
.mock-sheet { margin-top: auto; background: #1d1f23; border-radius: 22px 22px 0 0; padding: 18px 16px 22px; box-shadow: 0 -10px 30px rgba(0, 0, 0, .4); }
.mock-sheet .fee { font-size: 24px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.mock-sheet .fee small { font-size: 11px; color: #9ea3ad; background: #2a2c31; padding: 2px 7px; border-radius: 6px; font-weight: 700; }
.mock-sheet .two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.mock-sheet .two div { background: #24262b; border-radius: 12px; padding: 10px; }
.mock-sheet .two span { color: #9ea3ad; font-size: 11px; }
.mock-sheet .two b { display: block; font-size: 19px; margin-top: 2px; }
.mock-sheet .two b small { font-size: 11px; color: #9ea3ad; font-weight: 600; margin-left: 4px; }
.mock-sheet .impact { display: flex; justify-content: space-between; align-items: center; background: #24262b; border-radius: 12px; padding: 10px; margin-top: 6px; font-size: 12px; }
.mock-sheet .impact em { font-style: normal; font-weight: 800; padding: 2px 8px; border-radius: 7px; font-size: 11px; }
.ok { color: #2fd3a1; background: rgba(47, 211, 161, .14); }
.mid { color: #ffbe5c; background: rgba(255, 190, 92, .14); }
.bad { color: #f0614f; background: rgba(240, 97, 79, .14); }
.mock-sheet .actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.mock-sheet .actions span { text-align: center; padding: 10px; border-radius: 11px; background: #2a2c31; font-weight: 700; font-size: 12.5px; }
.mock-sheet .actions span.go { background: #2fd3a1; color: #05281e; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-visual { height: 560px; max-width: 560px; margin: 0 auto; width: 100%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .showcase { grid-template-columns: 1fr; gap: 36px; }
  .showcase.flip .showcase-media { order: 0; }
  .doc-layout { grid-template-columns: 1fr; gap: 0; }
  .toc { display: none; }
  .toc-mobile { display: block; margin-bottom: 28px; }
  .toc-mobile select { width: 100%; padding: 12px 14px; border-radius: 12px; background: var(--panel); color: var(--ink); border: 1px solid var(--line-2); font: inherit; font-weight: 600; }
  .feature-detail { grid-template-columns: 1fr; gap: 30px; }
  .feature-detail .phone { position: static; margin: 0 auto; width: 270px; }
}
@media (max-width: 760px) {
  body { font-size: 15.5px; }
  .nav, .header-cta { display: none; }
  .menu-button { display: grid; place-items: center; }
  .site-header.open .nav { display: flex; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; padding: 12px 16px 18px; background: rgba(13, 14, 16, .97); border-bottom: 1px solid var(--line); }
  .site-header.open .nav a { padding: 12px 14px; font-size: 16px; }
  .hero { padding: 40px 0 20px; }
  .hero-visual { height: 470px; }
  .hero-visual .phone.front { width: 230px; right: 4%; }
  .hero-visual .phone.back { width: 200px; top: 60px; }
  .float-chip { font-size: 12.5px; padding: 10px 12px; }
  .float-chip.one { top: 280px; right: -4px; }
  .float-chip.two { bottom: 10px; left: 0; }
  section { padding: 64px 0; }
  .strip .wrap { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .showcase-media .phone { width: 220px; }
  .showcase-media .phone.small { width: 180px; margin-top: 40px; }
  .cta-card { grid-template-columns: 1fr; padding: 32px 24px; }
  .site-footer .wrap { grid-template-columns: 1fr; }
  .site-footer nav { grid-template-columns: repeat(2, 1fr); }
  .doc-body { grid-template-columns: 1fr; }
  .doc-body .phone { position: static; margin: 0 auto; width: 230px; }
  .spec, .mini-grid { grid-template-columns: 1fr; }
  .hero .actions .button { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button, .feature-card { transition: none; } }