/* Partline — overmolding page (builds on styles.css) */
.page-om { background: var(--paper); }
.page-om .nav { color: var(--ink); }
.page-om .nav::before { opacity: 1; }
.page-om .nav .btn-ghost { border-color: var(--line-2); color: var(--ink); }
.page-om .nav .btn-ghost:hover { background: var(--ink); color: #fff; }
.om-back { display: none; }

.om-hero { padding: calc(var(--nav-h) + clamp(40px, 7vw, 100px)) 0 clamp(64px, 8vw, 120px); }
.om-hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 80px); align-items: center; }
.om-crumb { font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--mute); }
.om-crumb span { margin: 0 6px; opacity: .5; }
.om-crumb:hover { color: var(--cobalt); }
.om-title { margin-top: 18px; font-weight: 700; font-variation-settings: "wdth" 116; letter-spacing: -.05em; font-size: clamp(54px, 8vw, 128px); line-height: .9; }
.om-lede { margin-top: 24px; font-size: clamp(17px, 1.4vw, 21px); line-height: 1.5; color: var(--mute); max-width: 36ch; }
.om-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 40px; max-width: 520px; }
.om-facts li { padding-top: 14px; border-top: 1px solid var(--line-2); }
.om-facts b { display: block; font-size: clamp(26px, 2.4vw, 34px); font-weight: 650; letter-spacing: -.04em; font-variation-settings: "wdth" 110; }
.om-facts span { font-size: 13.5px; color: var(--mute); }

.om-xsec { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(14px, 2vw, 26px); }
.om-xsec svg { width: 100%; height: auto; }
.xs-steel { fill: #C9CDD2; }
.xs-core { fill: var(--ink); }
.xs-hole { fill: var(--white); }
.xs-soft { fill: var(--cobalt); }
.xs-front { stroke: #fff; stroke-width: 3; opacity: 0; filter: drop-shadow(0 0 6px var(--cobalt)); }
.xs-gate { stroke: var(--melt); stroke-width: 8; stroke-linecap: round; stroke-dasharray: 110; stroke-dashoffset: 110; }
.xs-lab { font-family: var(--mono); font-size: 11px; fill: var(--mute); letter-spacing: .04em; text-transform: uppercase; }
.xs-lab-core { fill: #fff; }
.xs-lab-soft { fill: var(--cobalt); opacity: 0; }
.om-xsec figcaption { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.xs-step { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 99px; border: 1px solid var(--line); font-size: 13px; font-weight: 540; color: var(--mute); transition: color .3s, border-color .3s, background-color .3s; }
.xs-step i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); transition: background-color .3s; }
.xs-step.is-on { color: var(--ink); border-color: var(--ink); background: #fff; }
.xs-step.is-on i { background: var(--cobalt); }

.om-ways { padding: clamp(80px, 10vw, 150px) 0; background: var(--white); border-top: 1px solid var(--line); }
.ways { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.way { border-radius: var(--r-lg); padding: clamp(22px, 3vw, 40px); background: var(--paper); border: 1px solid var(--line); }
.way-dark { background: var(--ink); color: #fff; border-color: transparent; }
.way-tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em; text-transform: uppercase; padding: 6px 10px; border-radius: 99px; background: var(--paper-2); color: var(--mute); }
.way-dark .way-tag { background: var(--ink-3); color: var(--mute-d); }
.way h3 { margin-top: 22px; font-size: clamp(28px, 2.8vw, 42px); font-weight: 650; letter-spacing: -.04em; font-variation-settings: "wdth" 110; line-height: 1; }
.way > p { margin-top: 12px; color: var(--mute); font-size: 16.5px; max-width: 40ch; }
.way-dark > p { color: var(--mute-d); }
.way dl { margin-top: 26px; display: grid; gap: 0; }
.way dl > div { display: grid; grid-template-columns: 110px 1fr; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.way-dark dl > div { border-color: var(--line-d); }
.way dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--mute); }
.way-dark dt { color: var(--mute-d); }
.way dd { display: flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 560; }
.bar { position: relative; flex: none; width: 120px; height: 6px; border-radius: 6px; background: var(--line); overflow: hidden; }
.way-dark .bar { background: var(--line-d); }
.bar::after { content: ""; position: absolute; inset: 0; background: var(--cobalt); transform-origin: left; transform: scaleX(0); border-radius: 6px; transition: transform 1.2s var(--ease); }
.way.is-on .bar::after { transform: scaleX(var(--v)); }
.way.is-on dl > div:nth-child(2) .bar::after { transition-delay: .12s; }
.way.is-on dl > div:nth-child(3) .bar::after { transition-delay: .24s; }
.way-for { margin-top: 18px; font-size: 15px; }

.om-pairs { padding: clamp(80px, 10vw, 150px) 0; border-top: 1px solid var(--line); }
.om-pairs-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(28px, 5vw, 80px); align-items: start; }
.pairs { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(18px, 2.4vw, 30px); }
.pair-list { margin-top: 20px; }
.pair-list li { display: grid; grid-template-columns: 150px 1fr 110px; align-items: center; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); }
.pair-list b { font-size: 16px; font-weight: 600; }
.meter { position: relative; height: 10px; border-radius: 10px; background: var(--paper-2); overflow: hidden; }
.meter i { position: absolute; inset: 0; border-radius: 10px; transform-origin: left; transform: scaleX(0); background: var(--c, var(--cobalt)); transition: transform .7s var(--ease), background-color .4s; }
.pair-list em { font-style: normal; font-family: var(--mono); font-size: 11px; text-align: right; color: var(--mute); }
.pair-note { margin-top: 16px; padding: 14px 16px; border-radius: 14px; background: var(--paper); font-size: 15px; color: var(--mute); }
.pair-note b { color: var(--ink); }

.om-rules { padding: clamp(80px, 10vw, 150px) 0; background: var(--white); border-top: 1px solid var(--line); }
.rules { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.rules li { padding: 18px; border-radius: var(--r); background: var(--paper); border: 1px solid var(--line); }
.rules b { display: block; margin-top: 16px; font-size: 17px; font-weight: 630; letter-spacing: -.015em; line-height: 1.2; }
.rules p { margin-top: 8px; font-size: 14px; color: var(--mute); line-height: 1.45; }
.rule-art { position: relative; display: block; height: 90px; border-radius: 12px; background: var(--paper-2); overflow: hidden; }
.rule-art i { position: absolute; }
.r-wall i:first-child { left: 16%; right: 16%; top: 40%; height: 18px; background: var(--ink); border-radius: 4px; }
.r-wall i:last-child { left: 12%; right: 12%; top: 32%; height: 34px; border: 6px solid var(--cobalt); border-radius: 10px; }
.r-lock i:nth-child(1) { left: 16%; right: 16%; top: 38%; height: 20px; background: var(--ink); border-radius: 4px; }
.r-lock i:nth-child(2), .r-lock i:nth-child(3) { top: 30%; width: 10px; height: 36px; background: var(--cobalt); border-radius: 3px; animation: lockin 2.4s var(--ease-io) infinite; }
.r-lock i:nth-child(2) { left: 34%; } .r-lock i:nth-child(3) { right: 34%; animation-delay: .2s; }
@keyframes lockin { 0%, 100% { transform: translateY(-20px); opacity: 0; } 40%, 80% { transform: none; opacity: 1; } }
.r-shut i:first-child { left: 14%; right: 14%; top: 46%; height: 16px; background: var(--ink); border-radius: 3px; }
.r-shut i:last-child { left: 14%; width: 44%; top: 34%; height: 12px; background: var(--cobalt); border-radius: 6px 0 0 6px; box-shadow: 8px 0 0 -2px var(--paper-2); }
.r-shore i { left: 14%; right: 14%; top: 44%; height: 6px; border-radius: 6px; background: linear-gradient(90deg, #9BB0FF, var(--cobalt), var(--ink)); }
.r-shore::after { content: ""; position: absolute; top: calc(44% - 7px); left: 14%; width: 20px; height: 20px; border-radius: 50%; background: #fff; border: 5px solid var(--cobalt); animation: shore 3s var(--ease-io) infinite alternate; }
@keyframes shore { to { left: calc(86% - 20px); } }
.r-draft i { left: 30%; right: 30%; top: 22%; bottom: 0; background: var(--cobalt); clip-path: polygon(8% 0, 92% 0, 100% 100%, 0 100%); animation: draft 2.6s var(--ease-io) infinite; }
@keyframes draft { 0%, 30% { transform: translateY(0); } 60%, 100% { transform: translateY(-60%); opacity: 0; } }

.om-example { padding: clamp(80px, 10vw, 150px) 0; border-top: 1px solid var(--line); }
.om-ex-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: center; }
.om-ex-img { border-radius: var(--r-lg); overflow: hidden; background: var(--paper-2); aspect-ratio: 1; }
.om-ex-img img { width: 100%; height: 100%; object-fit: cover; }
.ex-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 28px 0 30px; }
.ex-stats > div { padding-top: 14px; border-top: 1px solid var(--line-2); }
.ex-stats dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--mute); }
.ex-stats dd { margin-top: 6px; font-size: 14px; color: var(--mute); }
.ex-stats b { display: block; font-size: 30px; font-weight: 650; color: var(--ink); letter-spacing: -.04em; }

@media (max-width: 1000px) {
  .om-hero-grid, .om-pairs-grid, .om-ex-grid, .ways { grid-template-columns: 1fr; }
  .rules { grid-template-columns: 1fr 1fr; }
  .om-back { display: block; }
}
@media (max-width: 620px) {
  .rules { grid-template-columns: 1fr; }
  .pair-list li { grid-template-columns: 1fr 90px; }
  .pair-list .meter { grid-column: 1 / -1; grid-row: 2; }
  .bar { width: 70px; }
}