/* =========================================================
   FRESH GUARD — Design proposal v3 (2026-10-23)
   Dark-first "invisible field" system · Pretendard + JetBrains Mono
   ========================================================= */

:root {
  --night: #06080d;
  --night-2: #0b1019;
  --night-3: #121a27;
  --ink: #0d1117;
  --ink-2: #485364;
  --ink-3: #7a8595;
  --frost: #eef2f6;
  --frost-2: #dfe6ee;
  --paper: #f8fafc;
  --tx: #f3f6fa;
  --tx-2: #a9b3c2;
  --tx-3: #6f7a8a;
  --line-d: rgba(255, 255, 255, .09);
  --line-l: rgba(13, 17, 23, .10);
  --accent: #ff6a3d;
  --accent-2: #ff9468;
  --accent-ink: #190a04;
  --copper: #e0866b;
  --blue: #2f6bff;
  --cyan: #59d6ff;
  --std: #9aa5b4;
  --radius: 28px;
  --radius-sm: 16px;
  --radius-lg: 44px;
  --container: 1240px;
  --gutter: clamp(20px, 4vw, 40px);
  --sec: clamp(88px, 12vw, 168px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--night);
  color: var(--tx);
  font-family: var(--font);
  font-size: clamp(16px, 1.05vw, 17.5px);
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
p, figure { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent); color: var(--accent-ink); }

.skip {
  position: absolute; left: -9999px; top: 12px; z-index: 100;
  padding: 10px 16px; border-radius: 10px; background: #fff; color: var(--ink); font-weight: 700;
}
.skip:focus { left: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.container { width: min(100% - var(--gutter) * 2, var(--container)); margin-inline: auto; }
.icon { width: 18px; height: 18px; flex: none; }

/* ---------- type ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12.5px; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; opacity: .75; }
.eyebrow--ko { font-family: var(--font); font-size: 13.5px; font-weight: 650; letter-spacing: .02em; }
.display {
  margin: 0; font-size: clamp(3rem, 8.2vw, 8.4rem); font-weight: 820;
  letter-spacing: -.048em; line-height: 1.0;
}
.h2 { margin: 0; font-size: clamp(2.25rem, 5.2vw, 4.75rem); font-weight: 800; letter-spacing: -.045em; line-height: 1.06; }
.h3 { margin: 0; font-size: clamp(1.3rem, 1.9vw, 1.7rem); font-weight: 750; letter-spacing: -.03em; line-height: 1.28; }
.lead { font-size: clamp(1.05rem, 1.35vw, 1.24rem); line-height: 1.75; color: var(--tx-2); max-width: 42ch; }
.grad {
  background: linear-gradient(95deg, #ffb48f 0%, var(--accent) 48%, #ff3b2b 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.mono { font-family: var(--mono); }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--tx-3); }
.todo {
  display: inline-block; padding: 0 8px; margin: 0 2px; border-radius: 6px;
  border: 1px dashed #d19b00; background: rgba(255, 196, 0, .13); color: #8a6300;
  font-size: .86em; font-weight: 650; line-height: 1.7;
}
.dark .todo, .hero .todo, .phero .todo, .sec--dark .todo { color: #ffd166; border-color: rgba(255, 209, 102, .6); background: rgba(255, 209, 102, .08); }

/* ---------- buttons ---------- */
.btn {
  --h: 54px;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  height: var(--h); padding: 0 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 16px; font-weight: 650; letter-spacing: -.01em; white-space: nowrap; cursor: pointer;
  transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s, color .25s;
}
.btn .icon { transition: transform .25s var(--ease); }
.btn:hover .icon { transform: translateX(3px); }
.btn--down:hover .icon { transform: translateY(3px); }
.btn--primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 12px 32px -12px rgba(255, 106, 61, .7); }
.btn--primary:hover { background: #ff7c54; transform: translateY(-2px); }
.btn--ghost { border-color: rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .04); color: var(--tx); backdrop-filter: blur(8px); }
.btn--ghost:hover { border-color: rgba(255, 255, 255, .55); background: rgba(255, 255, 255, .09); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #1c2430; transform: translateY(-2px); }
.btn--line { border-color: rgba(13, 17, 23, .22); color: var(--ink); background: transparent; }
.btn--line:hover { border-color: var(--ink); }
.btn--sm { --h: 42px; padding: 0 18px; font-size: 14.5px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.link-arrow .icon { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.link-arrow:hover .icon { transform: translateX(3px); }

/* ---------- header ---------- */
.hdr {
  position: fixed; inset: 0 0 auto; z-index: 50; height: 76px;
  display: flex; align-items: center; border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s, height .3s;
}
.hdr.is-solid { height: 66px; background: rgba(6, 8, 13, .74); border-color: var(--line-d); backdrop-filter: saturate(1.4) blur(18px); -webkit-backdrop-filter: saturate(1.4) blur(18px); }
.hdr .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: inline-flex; align-items: center; }
.logo img { height: 21px; width: auto; }
.nav { display: flex; gap: 2px; }
.nav a { padding: 9px 14px; border-radius: 999px; font-size: 15px; font-weight: 550; color: var(--tx-2); transition: color .2s, background .2s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--tx); background: rgba(255, 255, 255, .07); }
.hdr-cta { display: flex; align-items: center; gap: 14px; }
.hdr-tel { font-family: var(--mono); font-size: 13px; color: var(--tx-2); }
.hdr-tel:hover { color: var(--tx); }
.menu-btn {
  display: none; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line-d);
  background: rgba(255, 255, 255, .04); align-items: center; justify-content: center; cursor: pointer;
}
.menu-btn span { position: relative; width: 18px; height: 2px; background: var(--tx); border-radius: 2px; transition: background .2s; }
.menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--tx); border-radius: 2px; transition: transform .3s var(--ease); }
.menu-btn span::before { top: -6px; }
.menu-btn span::after { top: 6px; }
.menu-btn[aria-expanded="true"] span { background: transparent; }
.menu-btn[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }
.mnav {
  position: fixed; inset: 0; z-index: 45; padding: 104px var(--gutter) 40px;
  display: flex; flex-direction: column; gap: 4px; background: var(--night);
  transform: translateY(-100%); visibility: hidden; transition: transform .45s var(--ease), visibility .45s;
}
.mnav.is-open { transform: none; visibility: visible; }
.mnav a { padding: 12px 0; border-bottom: 1px solid var(--line-d); font-size: clamp(28px, 8vw, 40px); font-weight: 800; letter-spacing: -.04em; }
.mnav .mnav-meta { margin-top: auto; display: grid; gap: 10px; font-size: 15px; color: var(--tx-2); }
.mnav .mnav-meta a { font-size: 15px; font-weight: 600; border: 0; padding: 0; letter-spacing: 0; }

/* ---------- sections ---------- */
.sec { position: relative; padding-block: var(--sec); }
.sec--light { background: var(--frost); color: var(--ink); }
.sec--paper { background: var(--paper); color: var(--ink); }
.sec--light .lead, .sec--paper .lead { color: var(--ink-2); }
.sec--light .eyebrow, .sec--paper .eyebrow { color: #e5532a; }
.sheet { margin-top: calc(var(--radius-lg) * -1); border-radius: var(--radius-lg) var(--radius-lg) 0 0; z-index: 2; }
.sec-head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: end; margin-bottom: clamp(44px, 6vw, 72px); }
.sec-head .h2 { margin-top: 18px; }
.sec-head--stack { grid-template-columns: 1fr; max-width: 900px; }
.grain::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .07 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ---------- hero ---------- */
.hero { position: relative; isolation: isolate; overflow: hidden; min-height: 100svh; display: flex; align-items: center; padding: 132px 0 84px; }
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(520px circle at var(--mx, 70%) var(--my, 55%), rgba(255, 106, 61, .16), transparent 70%),
    radial-gradient(60% 55% at 74% 58%, rgba(255, 106, 61, .26), transparent 62%),
    radial-gradient(42% 46% at 92% 8%, rgba(47, 107, 255, .32), transparent 66%),
    radial-gradient(38% 40% at 4% 100%, rgba(89, 214, 255, .12), transparent 70%),
    var(--night);
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(70% 60% at 62% 46%, #000 25%, transparent 78%);
  mask-image: radial-gradient(70% 60% at 62% 46%, #000 25%, transparent 78%);
}
.hero-inner { display: grid; grid-template-columns: 1.08fr .92fr; gap: 32px; align-items: center; }
.hero-copy .eyebrow { margin-bottom: 26px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(255, 106, 61, .6); animation: pulse 2.2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 106, 61, .55); } 70% { box-shadow: 0 0 0 12px rgba(255, 106, 61, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 106, 61, 0); } }
.hero-copy .lead { margin: 30px 0 38px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-proof { display: grid; grid-template-columns: repeat(3, minmax(0, auto)); gap: clamp(20px, 3vw, 44px); margin-top: 58px; padding-top: 26px; border-top: 1px solid var(--line-d); max-width: 620px; }
.hero-proof a { display: block; }
.hero-proof b { display: block; font-size: clamp(1.55rem, 2.6vw, 2.35rem); font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.hero-proof span { display: block; margin-top: 8px; font-size: 13px; line-height: 1.45; color: var(--tx-3); }
.hero-proof a:hover b { color: var(--accent-2); }
.hero-visual { position: relative; aspect-ratio: 1 / 1; display: grid; place-items: center; }
.field { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.field i { position: absolute; width: 44%; aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(89, 214, 255, .4); opacity: 0; animation: ring 7.2s linear infinite; }
.field i:nth-of-type(2) { animation-delay: 1.8s; }
.field i:nth-of-type(3) { animation-delay: 3.6s; }
.field i:nth-of-type(4) { animation-delay: 5.4s; }
@keyframes ring { 0% { transform: scale(.55); opacity: 0; } 12% { opacity: .95; } 100% { transform: scale(2.25); opacity: 0; } }
.field-glow { position: absolute; width: 70%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(255, 106, 61, .38), rgba(255, 106, 61, .06) 52%, transparent 68%); filter: blur(6px); }
.field-orbit { position: absolute; width: 86%; aspect-ratio: 1; border-radius: 50%; border: 1px dashed rgba(255, 255, 255, .12); animation: spin 60s linear infinite; }
.field-orbit::before { content: ""; position: absolute; top: 50%; left: -5px; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-product { position: relative; width: min(84%, 540px); filter: drop-shadow(0 46px 60px rgba(0, 0, 0, .65)) drop-shadow(0 0 40px rgba(255, 106, 61, .18)); animation: float 7s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.chip {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 9px;
  padding: 10px 15px; border-radius: 999px; border: 1px solid var(--line-d);
  background: rgba(14, 19, 29, .62); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  font-size: 13px; font-weight: 550; color: var(--tx); white-space: nowrap;
}
.chip .live-dot { width: 7px; height: 7px; }
.chip--a { top: 13%; left: 0; }
.chip--b { bottom: 13%; right: 0; }
.chip--b:hover { border-color: rgba(255, 106, 61, .6); }
.scroll-cue { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); display: grid; justify-items: center; gap: 10px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .32em; color: var(--tx-3); }
.scroll-cue i { width: 1px; height: 38px; background: linear-gradient(var(--tx-3), transparent); animation: cue 2.2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 60% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* ---------- tapes (marquee) ---------- */
.tapes { position: relative; z-index: 3; height: 168px; margin: -56px 0 -40px; overflow: hidden; pointer-events: none; }
.tape { position: absolute; left: -6%; width: 112%; display: flex; overflow: hidden; white-space: nowrap; padding: 15px 0; }
.tape--a { top: 46px; z-index: 2; background: var(--accent); color: var(--accent-ink); transform: rotate(-2.4deg); box-shadow: 0 18px 40px -18px rgba(255, 106, 61, .7); }
.tape--b { top: 58px; background: #131a26; color: var(--tx-2); transform: rotate(1.8deg); border-block: 1px solid var(--line-d); }
.tape-track { display: flex; flex: none; animation: marquee 40s linear infinite; }
.tape--b .tape-track { animation-duration: 52s; animation-direction: reverse; }
.tape-track span { display: inline-flex; align-items: center; gap: 22px; padding: 0 22px; font-size: clamp(17px, 1.9vw, 25px); font-weight: 800; letter-spacing: -.02em; }
.tape-track span::after { content: "✦"; font-size: .7em; opacity: .85; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- problem ---------- */
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pcard { position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 14px; min-height: 320px; padding: 34px 30px 28px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line-l); transition: transform .35s var(--ease), box-shadow .35s; }
.pcard:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -36px rgba(13, 17, 23, .35); }
.pcard .idx { font-family: var(--mono); font-size: 13px; color: #e5532a; }
.pcard .h3 { margin-top: 4px; }
.pcard p { color: var(--ink-2); }
.pcard .src { margin-top: auto; padding-top: 14px; font-size: 12.5px; color: var(--ink-3); border-top: 1px solid var(--line-l); }
.pcard .src a { text-decoration: underline; text-underline-offset: 3px; }
.pcard .deco { position: absolute; right: -28px; top: -28px; width: 130px; height: 130px; border-radius: 50%; border: 1px solid var(--line-l); }
.pcard .deco::after { content: ""; position: absolute; inset: 22px; border-radius: 50%; border: 1px solid var(--line-l); }
.pivot { margin-top: clamp(72px, 9vw, 120px); font-size: clamp(1.9rem, 4.5vw, 4.1rem); font-weight: 800; letter-spacing: -.045em; line-height: 1.16; }
.pivot span { color: var(--ink-3); }
.pivot em { font-style: normal; color: #e5532a; position: relative; }
.pivot em::after { content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: .12em; background: currentColor; opacity: .25; border-radius: 2px; }

/* ---------- data ---------- */
.data { overflow: hidden; }
.data-head { max-width: 980px; }
.data-head .h2 { margin-top: 20px; font-size: clamp(3rem, 9.4vw, 9.4rem); letter-spacing: -.055em; line-height: .98; }
.data-head .lead { margin-top: 28px; max-width: 52ch; }
.vs { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(20px, 3.4vw, 48px); margin-top: clamp(48px, 6vw, 80px); align-items: center; }
.vs-nums { display: flex; flex-direction: column; gap: 14px; }
.vnum { padding: 26px 30px 24px; border-radius: var(--radius); border: 1px solid var(--line-d); background: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .015)); }
.vnum .k { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; color: var(--tx-2); }
.vnum .k .mono { font-size: 12px; color: var(--tx-3); }
.vnum .v { display: block; margin: 12px 0 4px; font-size: clamp(2.5rem, 5.4vw, 5rem); font-weight: 800; letter-spacing: -.05em; line-height: 1; font-variant-numeric: tabular-nums; }
.vnum .u { font-family: var(--mono); font-size: 12.5px; color: var(--tx-3); }
.vnum--fg { border-color: rgba(255, 106, 61, .5); background: linear-gradient(155deg, rgba(255, 106, 61, .2), rgba(255, 106, 61, .03) 62%); }
.vnum--fg .v { color: var(--accent); }
.ratio { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 28px; border-radius: var(--radius); background: var(--accent); color: var(--accent-ink); }
.ratio b { font-size: clamp(2.1rem, 4vw, 3.3rem); font-weight: 850; letter-spacing: -.05em; line-height: 1; }
.ratio span { font-size: 14px; font-weight: 600; line-height: 1.45; max-width: 22ch; text-align: right; }
.chart-card { display: flex; flex-direction: column; padding: 24px 22px 18px; border-radius: var(--radius); border: 1px solid var(--line-d); background: #090e17; }
.chart-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.chart-top b { font-size: 16px; font-weight: 700; }
.chart-top .src-tag { align-self: center; }
.charts2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.temp-banner { position: relative; z-index: 3; margin: 92px auto 0; width: min(100% - var(--gutter) * 2, var(--container)); padding: 14px 18px; border-radius: 14px; border: 1px dashed rgba(255, 209, 102, .6); background: rgba(255, 209, 102, .08); color: #ffd166; font-size: 14px; font-weight: 600; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12.5px; color: var(--tx-2); }
.legend i { display: inline-block; width: 18px; height: 3px; margin-right: 7px; border-radius: 2px; vertical-align: middle; }
svg.chart { width: 100%; height: auto; overflow: visible; margin-top: 6px; }
.chart .gl { stroke: rgba(255, 255, 255, .07); }
.chart .ax { fill: #6f7a8a; font-family: var(--mono); font-size: 11px; }
.chart .ln { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.9s var(--ease); }
.chart.is-in .ln, .no-js .chart .ln { stroke-dashoffset: 0; }
.chart .ln--fg { stroke: var(--accent); }
.chart .ln--std { stroke: var(--std); }
.chart .pt, .chart .vl, .chart .note { opacity: 0; transition: opacity .5s ease 1.3s; }
.chart.is-in .pt, .chart.is-in .vl, .chart.is-in .note, .no-js .chart .pt, .no-js .chart .vl, .no-js .chart .note { opacity: 1; }
.chart .vl { font-family: var(--mono); font-size: 11px; font-weight: 600; }
.chart .vl--fg { fill: #ffb399; }
.chart .vl--std { fill: #c5ccd6; }
.chart .note { fill: #ffd2c2; font-size: 12px; font-weight: 600; }
.chart .note-line { stroke: rgba(255, 210, 194, .5); stroke-dasharray: 3 4; }
.chart-foot { margin-top: auto; padding-top: 10px; font-size: 12px; color: var(--tx-3); }
.sec--light .chart-card, .sec--paper .chart-card { background: #0b1019; color: var(--tx); }
.repro { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 0; margin-top: 18px; border-radius: var(--radius); border: 1px solid var(--line-d); background: linear-gradient(120deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .01)); overflow: hidden; }
.repro > div { padding: 24px 28px; }
.repro > div + div { border-left: 1px solid var(--line-d); }
.repro-head b { display: block; font-size: clamp(1.25rem, 2vw, 1.7rem); font-weight: 780; letter-spacing: -.035em; line-height: 1.3; }
.repro-head span { display: block; margin-top: 8px; font-size: 13.5px; color: var(--tx-2); }
.repro-item { display: flex; flex-direction: column; gap: 6px; }
.repro-item b { font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 820; letter-spacing: -.05em; line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums; }
.repro-item > span:last-child { font-family: var(--mono); font-size: 12px; color: var(--tx-3); }
.src-tag { align-self: flex-start; padding: 4px 10px; border-radius: 999px; background: rgba(255, 106, 61, .16); color: #ffb399; font-size: 12px; font-weight: 650; }
.src-tag--co { background: rgba(89, 214, 255, .12); color: #9fe6ff; }
.sec--light .src-tag, .sec--paper .src-tag { background: rgba(229, 83, 42, .1); color: #c4401c; }
.sec--light .src-tag--co, .sec--paper .src-tag--co { background: rgba(47, 107, 255, .1); color: #2349c2; }
.sec--light .chart-card .src-tag, .sec--paper .chart-card .src-tag { background: rgba(255, 106, 61, .16); color: #ffb399; }
.sec--light .chart-card .src-tag--co, .sec--paper .chart-card .src-tag--co { background: rgba(89, 214, 255, .12); color: #9fe6ff; }
.pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px; border-radius: 999px; border: 1px solid var(--line-d); font-size: 13.5px; color: var(--tx-2); }
.pill .icon { width: 15px; height: 15px; color: var(--accent); }
.sec--light .pill, .sec--paper .pill { border-color: var(--line-l); color: var(--ink-2); }
.fine { margin-top: 24px; max-width: 96ch; font-size: 12.5px; line-height: 1.7; color: var(--tx-3); }
.sec--light .fine, .sec--paper .fine { color: var(--ink-3); }
.data-cta { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; margin-top: 30px; }

/* ---------- proof reel ---------- */
.reel-wrap { position: relative; }
.reel-ctrl { display: flex; gap: 10px; justify-self: end; }
.icon-btn { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line-l); background: #fff; color: var(--ink); cursor: pointer; transition: background .2s, color .2s, opacity .2s, transform .2s var(--ease); }
.icon-btn:hover:not(:disabled) { background: var(--ink); color: #fff; }
.icon-btn:disabled { opacity: .35; cursor: default; }
.icon-btn .icon { width: 20px; height: 20px; }
.reel {
  display: grid; grid-auto-flow: column; grid-auto-columns: min(500px, 84vw); gap: 18px;
  overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding: 6px max(var(--gutter), calc((100vw - var(--container)) / 2)) 26px;
  scroll-padding-inline: max(var(--gutter), calc((100vw - var(--container)) / 2));
}
.reel::-webkit-scrollbar { display: none; }
.rcard { scroll-snap-align: start; display: flex; flex-direction: column; padding: 12px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line-l); }
.rcard-meta { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; align-items: center; padding: 18px 10px 8px; }
.dday { grid-row: span 2; align-self: start; min-width: 74px; padding: 10px 12px 9px; border-radius: 16px; background: var(--ink); color: #fff; text-align: center; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; line-height: 1.15; }
.dday b { display: block; margin-top: 3px; font-family: var(--font); font-size: 23px; font-weight: 800; letter-spacing: -.04em; }
.rcard .h3 { font-size: 22px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tag { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 999px; background: var(--frost); color: var(--ink-2); font-size: 12px; font-weight: 650; letter-spacing: 0; }
.rcard p { font-size: 15px; color: var(--ink-2); }
.reel-foot { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.reel-progress { height: 3px; border-radius: 3px; background: var(--frost-2); overflow: hidden; }
.reel-progress i { display: block; height: 100%; width: 100%; background: var(--ink); transform: scaleX(.15); transform-origin: left; transition: transform .2s; }
.proof-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

/* ---------- compare slider ---------- */
.cmp { --pos: 50%; position: relative; overflow: hidden; aspect-ratio: var(--ar, 4 / 3); border-radius: 18px; background: #d9dee5; user-select: none; -webkit-user-select: none; }
.cmp img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.cmp-b { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--pos)); }
.cmp-line { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px; background: #fff; box-shadow: 0 0 0 1px rgba(0, 0, 0, .06); pointer-events: none; }
.cmp-knob { position: absolute; top: 50%; left: var(--pos); width: 48px; height: 48px; margin: -24px 0 0 -24px; border-radius: 50%; display: grid; place-items: center; background: #fff; color: var(--ink); box-shadow: 0 10px 26px rgba(0, 0, 0, .28); cursor: ew-resize; touch-action: none; transition: transform .2s var(--ease); }
.cmp-knob .icon { width: 22px; height: 22px; }
.cmp.is-drag .cmp-knob, .cmp-knob:hover { transform: scale(1.08); }
.cmp-range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; pointer-events: none; }
.cmp:focus-within .cmp-knob { outline: 3px solid var(--cyan); outline-offset: 2px; }
.cmp-tag { position: absolute; top: 12px; padding: 6px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 750; letter-spacing: .03em; pointer-events: none; backdrop-filter: blur(6px); }
.cmp-tag--a { left: 12px; background: var(--accent); color: var(--accent-ink); }
.cmp-tag--b { right: 12px; background: rgba(17, 22, 31, .74); color: #fff; }
@media (pointer: fine) { .cmp { cursor: ew-resize; } }

/* ---------- how it works ---------- */
.how { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.steps { display: grid; gap: 0; margin-top: 44px; counter-reset: s; }
.step { display: grid; grid-template-columns: 64px 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid var(--line-d); }
.step:last-child { border-bottom: 1px solid var(--line-d); }
.step .n { font-family: var(--mono); font-size: 13px; color: var(--accent); padding-top: 6px; }
.step b { display: block; font-size: clamp(1.25rem, 1.9vw, 1.6rem); font-weight: 750; letter-spacing: -.03em; }
.step p { margin-top: 6px; color: var(--tx-2); }
.diagram { position: relative; border-radius: var(--radius-lg); background: radial-gradient(70% 60% at 50% 40%, rgba(47, 107, 255, .16), transparent 70%), #090e17; border: 1px solid var(--line-d); padding: clamp(18px, 3vw, 34px); }
.diagram svg { width: 100%; height: auto; }
.dg-field path { fill: none; stroke: var(--cyan); stroke-width: 1.4; stroke-dasharray: 4 8; opacity: .55; animation: flow 3.6s linear infinite; }
.dg-field path:nth-child(even) { animation-duration: 4.4s; opacity: .35; }
@keyframes flow { to { stroke-dashoffset: -120; } }
.dg-pad { fill: url(#padGrad); filter: drop-shadow(0 0 10px rgba(89, 214, 255, .55)); }
.dg-label { font-family: var(--mono); font-size: 12px; fill: var(--tx-2); }
.dg-label--a { fill: #ffb399; }
.mech { margin-top: 22px; padding: 24px 26px; border-radius: var(--radius); border: 1px solid var(--line-d); background: rgba(255, 255, 255, .03); }
.mech .k { display: inline-flex; gap: 8px; align-items: center; font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--cyan); }
.mech p { margin-top: 10px; color: var(--tx-2); font-size: 15.5px; }
.mech p b { color: var(--tx); font-weight: 650; }

/* ---------- product ---------- */
.prod { display: grid; grid-template-columns: 1.08fr .92fr; gap: 18px; }
.prod-stage { position: relative; overflow: hidden; display: grid; place-items: center; min-height: 560px; border-radius: var(--radius-lg); background: radial-gradient(75% 65% at 50% 38%, #fff3ee 0%, #f6d3c6 46%, #e7ad99 100%); }
.prod-stage img { width: 78%; filter: drop-shadow(0 40px 46px rgba(120, 50, 30, .35)); }
.prod-stage .rings { position: absolute; inset: 0; display: grid; place-items: center; }
.prod-stage .rings i { position: absolute; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .7); }
.prod-stage .rings i:nth-child(1) { width: 52%; aspect-ratio: 1; }
.prod-stage .rings i:nth-child(2) { width: 74%; aspect-ratio: 1; opacity: .7; }
.prod-stage .rings i:nth-child(3) { width: 98%; aspect-ratio: 1; opacity: .45; }
.prod-stage .cap { position: absolute; left: 26px; bottom: 22px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: rgba(25, 10, 4, .7); }
.specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; align-content: stretch; }
.spec { display: flex; flex-direction: column; justify-content: space-between; gap: 18px; min-height: 132px; padding: 22px 22px 20px; border-radius: 22px; background: #fff; border: 1px solid var(--line-l); }
.spec b { font-size: clamp(1.55rem, 2.3vw, 2.15rem); font-weight: 800; letter-spacing: -.04em; line-height: 1.05; }
.spec b small { font-size: .5em; font-weight: 700; letter-spacing: 0; margin-left: 2px; color: var(--ink-3); }
.spec span { font-size: 13.5px; color: var(--ink-3); line-height: 1.45; }
.spec--ink { background: var(--ink); color: #fff; border-color: var(--ink); }
.spec--ink span, .spec--ink b small { color: var(--tx-2); }
.spec--wide { grid-column: span 2; }
.prod-row { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; margin-top: 18px; }
.media { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line-l); }
.media img { width: 100%; height: 100%; object-fit: cover; }
.media--contain img { object-fit: contain; padding: 4% 6%; }
.media figcaption { position: absolute; left: 18px; bottom: 16px; padding: 6px 12px; border-radius: 999px; background: rgba(255, 255, 255, .9); color: var(--ink); font-size: 12.5px; font-weight: 650; }
.prod-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

/* ---------- segments ---------- */
.segs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.seg { position: relative; overflow: hidden; isolation: isolate; display: flex; flex-direction: column; gap: 12px; min-height: 300px; padding: 30px 28px 26px; border-radius: var(--radius); border: 1px solid var(--line-d); background: linear-gradient(180deg, #0f1520, #0a0e16); transition: transform .4s var(--ease), border-color .4s; }
.seg::after { content: ""; position: absolute; z-index: -1; right: -30%; bottom: -55%; width: 80%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(255, 106, 61, .3), transparent 62%); opacity: 0; transition: opacity .45s; }
.seg:hover { transform: translateY(-6px); border-color: rgba(255, 106, 61, .55); }
.seg:hover::after { opacity: 1; }
.seg .ico { width: 48px; height: 48px; border-radius: 15px; display: grid; place-items: center; background: rgba(255, 255, 255, .06); color: var(--accent); }
.seg .ico svg { width: 24px; height: 24px; }
.seg .h3 { margin-top: 10px; }
.seg p { color: var(--tx-2); font-size: 15.5px; }
.seg .proof { margin-top: auto; padding-top: 18px; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--tx); font-weight: 600; }
.seg .proof .icon { width: 15px; height: 15px; color: var(--accent); }

/* ---------- principles ---------- */
.princ { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-l); }
.princ > div { padding: 34px 32px 0 0; }
.princ > div + div { padding-left: 32px; border-left: 1px solid var(--line-l); }
.princ .n { font-family: var(--mono); font-size: 13px; color: #e5532a; }
.princ b { display: block; margin: 14px 0 10px; font-size: clamp(1.35rem, 2vw, 1.75rem); font-weight: 780; letter-spacing: -.035em; }
.princ p { color: var(--ink-2); }

/* ---------- faq ---------- */
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.faq-list details { border-bottom: 1px solid var(--line-l); }
.faq-list details:first-child { border-top: 1px solid var(--line-l); }
.faq-list summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 0; font-size: clamp(1.05rem, 1.4vw, 1.22rem); font-weight: 700; letter-spacing: -.02em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list .pm { position: relative; flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line-l); transition: transform .3s var(--ease), background .3s; }
.faq-list .pm::before, .faq-list .pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.6px; margin: -.8px 0 0 -6px; background: currentColor; }
.faq-list .pm::after { transform: rotate(90deg); }
.faq-list details[open] .pm { transform: rotate(45deg); background: var(--ink); color: #fff; }
.faq-list .ans { padding: 0 0 26px; max-width: 64ch; color: var(--ink-2); }
.faq-list .ans p + p { margin-top: 10px; }
.dark .faq-list details, .dark .faq-list details:first-child { border-color: var(--line-d); }
.dark .faq-list .pm { border-color: var(--line-d); }
.dark .faq-list details[open] .pm { background: var(--accent); color: var(--accent-ink); }
.dark .faq-list .ans { color: var(--tx-2); }

/* ---------- final CTA ---------- */
.cta-final { position: relative; overflow: hidden; isolation: isolate; padding: clamp(48px, 7vw, 100px); border-radius: var(--radius-lg); color: var(--accent-ink); background: radial-gradient(120% 140% at 0% 0%, #ffa279 0%, var(--accent) 38%, #e13c1c 100%); }
.cta-final .h2 { color: #170903; max-width: 14ch; }
.cta-final p { margin-top: 22px; max-width: 46ch; font-size: clamp(1.02rem, 1.3vw, 1.18rem); color: rgba(23, 9, 3, .78); }
.cta-final .row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.cta-final .btn--ghost { color: #170903; border-color: rgba(23, 9, 3, .3); background: rgba(255, 255, 255, .14); }
.cta-final .btn--ghost:hover { border-color: #170903; }
.cta-final .rings { position: absolute; z-index: -1; right: -8%; top: 50%; width: 52%; aspect-ratio: 1; transform: translateY(-50%); }
.cta-final .rings i { position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid rgba(255, 255, 255, .28); }
.cta-final .rings i:nth-child(2) { inset: 12%; }
.cta-final .rings i:nth-child(3) { inset: 24%; }
.cta-final .rings i:nth-child(4) { inset: 36%; background: rgba(255, 255, 255, .12); }
.cta-final .meta { margin-top: 26px; font-size: 14px; font-weight: 600; color: rgba(23, 9, 3, .75); }

/* ---------- footer ---------- */
.ftr { padding: 88px 0 124px; border-top: 1px solid var(--line-d); color: var(--tx-2); font-size: 14px; }
.ftr-top { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
.ftr-brand img { height: 30px; width: auto; }
.ftr-brand p { margin-top: 18px; max-width: 30ch; color: var(--tx-3); }
.ftr h2 { margin: 0 0 14px; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--tx-3); }
.ftr ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.ftr a:hover { color: var(--tx); }
.ftr-legal { margin-top: 64px; padding-top: 26px; border-top: 1px solid var(--line-d); display: grid; gap: 6px; font-size: 12.5px; line-height: 1.8; color: var(--tx-3); }
.ftr-legal a { text-decoration: underline; text-underline-offset: 3px; }
.ftr-legal b { color: var(--tx-2); font-weight: 650; }

/* ---------- mobile sticky CTA ---------- */
.mcta { position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 40; display: none; grid-template-columns: 1fr 1.6fr; gap: 8px; padding: 8px; border-radius: 22px; border: 1px solid var(--line-d); background: rgba(12, 17, 26, .86); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); transform: translateY(140%); transition: transform .45s var(--ease); }
.mcta:has(> a[data-kakao]:not([hidden])) { grid-template-columns: 1fr 1fr 1.5fr; }
.mcta.is-on { transform: none; }
.mcta a { height: 50px; border-radius: 15px; display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 14.5px; font-weight: 700; background: rgba(255, 255, 255, .07); }
.mcta a.primary { background: var(--accent); color: var(--accent-ink); }
.mcta .icon { width: 17px; height: 17px; }

/* ---------- sub-page hero ---------- */
.phero { position: relative; isolation: isolate; overflow: hidden; padding: clamp(150px, 18vw, 210px) 0 clamp(72px, 9vw, 120px); }
.phero .hero-bg { background: radial-gradient(50% 60% at 84% 20%, rgba(47, 107, 255, .28), transparent 66%), radial-gradient(46% 60% at 70% 90%, rgba(255, 106, 61, .2), transparent 66%), var(--night); }
.phero .display { font-size: clamp(2.9rem, 7.4vw, 7rem); }
.phero .lead { margin-top: 28px; max-width: 52ch; }
.phero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: end; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 26px; padding: 0; list-style: none; font-family: var(--mono); font-size: 12px; color: var(--tx-3); }
.crumbs li + li::before { content: "/"; margin-right: 8px; opacity: .6; }
.crumbs a:hover { color: var(--tx); }
.phero-side { display: grid; gap: 10px; }
.kv { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line-d); font-size: 14px; color: var(--tx-2); }
.kv b { color: var(--tx); font-weight: 650; text-align: right; }

/* ---------- science ---------- */
.levels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.level { display: flex; flex-direction: column; gap: 10px; padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--line-l); }
.level .lv { align-self: flex-start; padding: 4px 9px; border-radius: 7px; background: var(--ink); color: #fff; font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; }
.level .lv--b { background: #e5532a; }
.level .lv--c { background: #3a5bd9; }
.level .lv--d { background: #6b7686; }
.level b { font-size: 18px; font-weight: 750; letter-spacing: -.02em; }
.level span { font-size: 14px; color: var(--ink-2); }
.level a { margin-top: auto; font-size: 13.5px; font-weight: 650; color: var(--ink); }
.levels--3 { grid-template-columns: repeat(3, 1fr); }
.tbl-wrap { overflow-x: auto; border-radius: 22px; border: 1px solid var(--line-l); background: #fff; }
table.tbl { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 15px; }
.tbl caption { padding: 16px 20px; text-align: left; font-size: 13px; color: var(--ink-3); caption-side: bottom; border-top: 1px solid var(--line-l); }
.tbl th, .tbl td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line-l); white-space: nowrap; }
.tbl thead th { background: var(--paper); font-family: var(--mono); font-size: 11.5px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.tbl td.r, .tbl th.r { text-align: right; font-variant-numeric: tabular-nums; }
.tbl .fg { color: #d9481f; font-weight: 700; }
.tbl tr.hl td { background: rgba(255, 106, 61, .07); }
.tbl tbody tr:last-child td { border-bottom: 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.box { padding: 28px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line-l); }
.box h3 { margin: 0 0 14px; font-size: 18px; font-weight: 750; letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; }
.box ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; color: var(--ink-2); }
.box--ok h3 .icon { color: #1f9d55; }
.box--wait h3 .icon { color: #d19b00; }
.readlist { counter-reset: r; list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.readlist li { counter-increment: r; display: grid; grid-template-columns: 54px 1fr; gap: 12px; padding: 18px 0; border-top: 1px solid var(--line-l); color: var(--ink-2); }
.readlist li::before { content: counter(r, decimal-leading-zero); font-family: var(--mono); font-size: 13px; color: #e5532a; padding-top: 3px; }
.readlist b { color: var(--ink); }
.quote { margin: 0; padding: 26px 28px; border-left: 3px solid var(--accent); border-radius: 0 20px 20px 0; background: rgba(255, 255, 255, .04); }
.quote p { font-size: clamp(1.05rem, 1.5vw, 1.25rem); font-weight: 600; line-height: 1.6; color: var(--tx); }
.quote cite { display: block; margin-top: 12px; font-style: normal; font-size: 13px; color: var(--tx-3); }
.quote cite a { text-decoration: underline; text-underline-offset: 3px; }
.related { margin-top: 24px; border-radius: var(--radius); border: 1px solid var(--line-l); background: #fff; }
.related summary { cursor: pointer; list-style: none; padding: 22px 26px; display: flex; justify-content: space-between; gap: 16px; font-weight: 700; }
.related summary::-webkit-details-marker { display: none; }
.related summary .tag { background: #eef0f3; }
.related .inner { padding: 0 26px 26px; display: grid; gap: 18px; color: var(--ink-2); }

/* ---------- business ---------- */
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 56px); padding: clamp(26px, 4vw, 52px); border-radius: var(--radius-lg); border: 1px solid var(--line-d); background: radial-gradient(70% 90% at 100% 0%, rgba(255, 106, 61, .16), transparent 60%), #0b1019; }
.calc-in { display: grid; gap: 26px; }
.calc label { display: grid; gap: 10px; font-size: 14.5px; color: var(--tx-2); }
.calc .lv { display: flex; justify-content: space-between; align-items: baseline; }
.calc .lv b { font-size: 22px; font-weight: 750; color: var(--tx); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.calc input[type="range"] { width: 100%; accent-color: var(--accent); }
.calc-out { display: flex; flex-direction: column; justify-content: center; gap: 8px; padding: clamp(22px, 3vw, 36px); border-radius: var(--radius); background: rgba(255, 255, 255, .04); border: 1px solid var(--line-d); }
.calc-out .k { font-size: 14px; color: var(--tx-2); }
.calc-out b { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 820; letter-spacing: -.05em; line-height: 1.02; color: var(--accent); font-variant-numeric: tabular-nums; }
.calc-out .y { font-size: 16px; color: var(--tx); font-weight: 650; }
.calc-out .fine { margin-top: 14px; }
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; counter-reset: f; }
.flow li { list-style: none; counter-increment: f; position: relative; padding: 24px 20px; border-radius: 22px; background: #fff; border: 1px solid var(--line-l); }
.flow li::before { content: counter(f, decimal-leading-zero); display: block; font-family: var(--mono); font-size: 12.5px; color: #e5532a; margin-bottom: 14px; }
.flow b { display: block; font-size: 17px; font-weight: 750; letter-spacing: -.02em; }
.flow p { margin-top: 6px; font-size: 14px; color: var(--ink-2); }
.flow { margin: 0; padding: 0; }

.srows { border-bottom: 1px solid var(--line-d); }
.srow { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(44px, 6vw, 72px) 0; border-top: 1px solid var(--line-d); scroll-margin-top: 80px; }
.srow:nth-child(even) .srow-media { order: -1; }
.srow .h3 { font-size: clamp(1.7rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: -.04em; margin: 16px 0 14px; }
.srow p { color: var(--tx-2); max-width: 46ch; }
.checks { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; color: var(--tx); font-size: 15.5px; }
.checks .icon { width: 18px; height: 18px; color: var(--accent); margin-top: 4px; }
.srow .link-arrow { margin-top: 26px; }
.srow-media .rcard { background: #0f1520; border-color: var(--line-d); }
.srow-media .rcard p { color: var(--tx-2); }
.srow-media .rcard .tag { background: rgba(255, 255, 255, .08); color: var(--tx-2); }
.srow-media .dday { background: var(--accent); color: var(--accent-ink); }
.big-note { display: grid; place-items: center; min-height: 340px; border-radius: var(--radius-lg); border: 1px dashed rgba(255, 255, 255, .2); text-align: center; padding: 32px; color: var(--tx-2); }
.big-note b { display: block; font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 820; letter-spacing: -.05em; color: var(--tx); line-height: 1; margin-bottom: 12px; }

/* ---------- guide / article ---------- */
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gcard { display: flex; flex-direction: column; gap: 12px; min-height: 250px; padding: 26px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line-l); transition: transform .35s var(--ease), box-shadow .35s; }
a.gcard:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -36px rgba(13, 17, 23, .35); }
.gcard .cat { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: #e5532a; }
.gcard b { font-size: 20px; font-weight: 760; letter-spacing: -.03em; line-height: 1.35; }
.gcard p { font-size: 14.5px; color: var(--ink-2); }
.gcard .st { margin-top: auto; font-size: 13px; color: var(--ink-3); display: flex; justify-content: space-between; }
.gcard--soon { background: transparent; border-style: dashed; }
.gcard--feat { grid-column: span 2; background: var(--ink); color: #fff; border-color: var(--ink); }
.gcard--feat p, .gcard--feat .st { color: var(--tx-2); }
.article { display: grid; grid-template-columns: minmax(0, 720px) 260px; gap: clamp(40px, 6vw, 80px); justify-content: center; }
.prose { font-size: clamp(16.5px, 1.15vw, 18px); line-height: 1.88; color: #1d2430; }
.prose h2 { margin: 64px 0 18px; font-size: clamp(1.55rem, 2.5vw, 2.05rem); font-weight: 780; letter-spacing: -.035em; line-height: 1.28; color: var(--ink); scroll-margin-top: 96px; }
.prose h3 { margin: 34px 0 10px; font-size: 1.15em; font-weight: 750; color: var(--ink); }
.prose p { margin: 0 0 20px; }
.prose ul, .prose ol { margin: 0 0 22px; padding-left: 1.25em; display: grid; gap: 8px; }
.prose a { color: #c4401c; text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ink); }
.prose .cmp { margin: 8px 0 10px; }
.prose figure { margin: 26px 0 30px; }
.prose figcaption { font-size: 13.5px; color: var(--ink-3); margin-top: 6px; }
.answer { margin: 0 0 44px; padding: 28px 30px; border-radius: 24px; background: var(--ink); color: #e8edf3; }
.answer .k { font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-2); }
.answer p { margin: 10px 0 0; font-size: 1.04em; line-height: 1.8; }
.byline { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 28px; font-size: 14px; color: var(--tx-2); }
.byline span { display: inline-flex; gap: 6px; align-items: center; }
.toc { position: sticky; top: 100px; align-self: start; font-size: 14px; }
.toc b { display: block; margin-bottom: 12px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
.toc ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; border-left: 1px solid var(--line-l); }
.toc a { display: block; padding: 6px 0 6px 16px; color: var(--ink-2); margin-left: -1px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--ink); border-left-color: var(--accent); }
.toc .toc-cta { margin-top: 26px; padding: 20px; border-radius: 20px; background: var(--ink); color: #fff; display: grid; gap: 12px; }
.toc .toc-cta p { font-size: 14px; color: var(--tx-2); }
.sources { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line-l); font-size: 14px; color: var(--ink-2); }
.sources h2 { margin-top: 0; font-size: 1.15rem; }
.sources ol { display: grid; gap: 8px; }
.tip { margin: 0 0 22px; padding: 18px 20px; border-radius: 16px; background: #fff4ef; border: 1px solid #ffd9cb; color: #5a2a18; font-size: .95em; }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; align-items: start; }
.form { padding: clamp(24px, 4vw, 44px); border-radius: var(--radius-lg); background: #fff; color: var(--ink); border: 1px solid var(--line-l); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.tab { padding: 10px 17px; border-radius: 999px; border: 1px solid var(--line-l); background: #fff; font-size: 14.5px; font-weight: 650; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.tab[aria-selected="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f { display: grid; gap: 8px; font-size: 14px; font-weight: 650; }
.f--full { grid-column: 1 / -1; }
.f .req { color: #d9481f; margin-left: 2px; }
.f input, .f select, .f textarea { width: 100%; height: 54px; padding: 0 16px; border-radius: 14px; border: 1px solid #d3dae3; background: var(--paper); font-size: 16px; font-weight: 450; color: var(--ink); transition: border-color .2s, box-shadow .2s, background .2s; }
.f textarea { height: 150px; padding: 14px 16px; resize: vertical; line-height: 1.6; }
.f input:focus, .f select:focus, .f textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(255, 106, 61, .15); background: #fff; }
.consent { grid-column: 1 / -1; padding: 18px; border-radius: 16px; background: var(--paper); border: 1px solid var(--line-l); font-size: 13.5px; color: var(--ink-2); }
.consent label { display: flex; gap: 10px; align-items: flex-start; font-weight: 650; color: var(--ink); font-size: 14px; }
.consent input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--accent); }
.consent dl { margin: 12px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; }
.consent dt { color: var(--ink-3); }
.consent dd { margin: 0; }
.form-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-top: 26px; }
.form-msg { display: none; margin-top: 18px; padding: 16px 18px; border-radius: 14px; background: #fff4ef; border: 1px solid #ffd2c0; color: #6b2a12; font-size: 14.5px; }
.form-msg.is-on { display: block; }
.form-msg.is-error { background: #fff1f1; border-color: #ffc9c9; color: #8a1c1c; }
.consent-note { margin: 12px 0 0; font-size: 12.5px; line-height: 1.7; color: var(--ink-3); }
.consent-note a { color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; }
.form [type="submit"]:disabled { opacity: .6; cursor: progress; }

/* ---------- policy & notice pages ---------- */
.policy { max-width: 860px; margin: 0 auto; }
.policy .meta-line { margin: 0 0 34px; font-size: 14px; color: var(--ink-3); }
.policy h2 { margin-top: 52px; }
.policy h2:first-of-type { margin-top: 0; }
.policy .tbl-wrap { margin: 6px 0 24px; border-radius: 16px; }
.policy table.tbl { min-width: 560px; font-size: 14.5px; }
.policy .tbl td { white-space: normal; }
.policy dl { margin: 0 0 22px; display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; }
.policy dt { color: var(--ink-3); }
.policy dd { margin: 0; }
.channels { display: grid; gap: 12px; }
.ch { display: grid; grid-template-columns: 48px 1fr; gap: 16px; align-items: center; padding: 22px; border-radius: 24px; border: 1px solid var(--line-d); background: #0b1019; transition: border-color .25s; }
a.ch:hover { border-color: rgba(255, 106, 61, .55); }
.ch .ico { width: 48px; height: 48px; border-radius: 15px; display: grid; place-items: center; background: rgba(255, 255, 255, .06); color: var(--accent); }
.ch b { display: block; font-size: 18px; font-weight: 750; letter-spacing: -.02em; }
.ch span { font-size: 13.5px; color: var(--tx-2); }
.company { margin-top: 8px; padding: 24px; border-radius: 24px; border: 1px solid var(--line-d); font-size: 14px; color: var(--tx-2); display: grid; gap: 8px; }
.company b { color: var(--tx); }

/* ---------- reveal & motion ---------- */
.js .rv { opacity: 0; transform: translateY(28px); transition: opacity .95s var(--ease), transform .95s var(--ease); }
.js .rv.is-in { opacity: 1; transform: none; }
.js .rv-1 { transition-delay: .08s; }
.js .rv-2 { transition-delay: .16s; }
.js .rv-3 { transition-delay: .24s; }
.js .rv-4 { transition-delay: .32s; }
.shot .rv { opacity: 1 !important; transform: none !important; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .ftr-top { grid-template-columns: 1fr 1fr 1fr; }
  .ftr-brand { grid-column: 1 / -1; }
  .levels { grid-template-columns: repeat(2, 1fr); }
  .levels--3 { grid-template-columns: repeat(3, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px) {
  .nav, .hdr-tel { display: none; }
  .menu-btn { display: inline-flex; }
  .hdr-cta .btn { display: none; }
  .hero { min-height: auto; padding-top: 118px; }
  .hero-inner, .how, .vs, .prod, .faq, .phero-grid, .contact, .calc, .sec-head, .article { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; width: 100%; margin: 6px auto 0; }
  .sec-head { gap: 18px; }
  .cards3, .segs, .guide-grid { grid-template-columns: 1fr 1fr; }
  .gcard--feat { grid-column: 1 / -1; }
  .princ { grid-template-columns: 1fr; }
  .princ > div, .princ > div + div { padding: 28px 0; border-left: 0; border-bottom: 1px solid var(--line-l); }
  .prod-stage { min-height: 420px; }
  .prod-row, .split, .srow, .charts2 { grid-template-columns: 1fr; }
  .srow:nth-child(even) .srow-media { order: 0; }
  .toc { position: static; order: -1; }
  .toc ol { display: none; }
  .toc b { display: none; }
}
@media (max-width: 760px) {
  .mcta { display: grid; }
  .scroll-cue { display: none; }
  .cards3, .segs, .guide-grid, .proof-grid, .fields, .levels, .flow { grid-template-columns: 1fr; }
  .hero-proof { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .hero-proof span { font-size: 11.5px; }
  .chip { font-size: 12px; padding: 8px 12px; }
  .chip--a { top: 4%; }
  .chip--b { bottom: 4%; }
  .tapes { height: 130px; margin: -46px 0 -30px; }
  .tape { padding: 12px 0; }
  .tape--a { top: 34px; }
  .tape--b { top: 44px; }
  .reel-foot { grid-template-columns: 1fr; }
  .repro { grid-template-columns: 1fr; }
  .repro > div + div { border-left: 0; border-top: 1px solid var(--line-d); }
  .reel-ctrl { justify-self: start; }
  .ratio { flex-direction: column; align-items: flex-start; }
  .ratio span { text-align: left; }
  .ftr-top { grid-template-columns: 1fr 1fr; }
  .ftr { padding-bottom: 140px; }
  .pcard { min-height: 0; }
  .seg { min-height: 0; }
  .cta-final .rings { width: 90%; right: -40%; opacity: .6; }
  .step { grid-template-columns: 44px 1fr; }
  .policy dl, .consent dl { grid-template-columns: 1fr; gap: 2px; }
  .policy dd { margin-bottom: 10px; }
  /* Netlify free-plan badge (fixed, bottom-right): keep the CTA bar above it instead of under it */
  body:has(> #nl-badge-frame) .mcta { bottom: 80px; }
  body:has(> #nl-badge-frame) .ftr { padding-bottom: 210px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .rv { opacity: 1; transform: none; }
  .chart .ln { stroke-dashoffset: 0; }
  .chart .pt, .chart .vl, .chart .note { opacity: 1; }
  .field i { opacity: .5; }
  .field i:nth-of-type(2) { transform: scale(1.4); opacity: .36; }
  .field i:nth-of-type(3) { transform: scale(1.8); opacity: .24; }
  .field i:nth-of-type(4) { transform: scale(2.2); opacity: .14; }
}