/* Website: live online batches (/online-classes and /online-classes/<id>). Brand red #F1181C / maroon #5E0A14 / navy #0A3868.
   Prefix ox-. Er Dk 2026-10-21. */
.ox { --red: #F1181C; --red-d: #B3121F; --maroon: #5E0A14; --navy: #0A3868; --ok: #1f7a3a; color: var(--ink); }
.ox .ox-wrap { max-width: 1240px; margin: 0 auto; }
.ox .btn-lg { padding: 15px 26px; font-size: 16px; border-radius: 12px; }
.ox-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--red); margin-bottom: 12px; }
.ox-kicker i { width: 9px; height: 9px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 0 rgba(241, 24, 28, .5); animation: ox-pulse 1.8s infinite; }
@keyframes ox-pulse { 70% { box-shadow: 0 0 0 9px rgba(241, 24, 28, 0); } 100% { box-shadow: 0 0 0 0 rgba(241, 24, 28, 0); } }
.ox h2 { font-size: clamp(24px, 2.6vw, 34px); letter-spacing: -.02em; line-height: 1.15; margin: 0 0 10px; }
.ox-sub { color: var(--ink-soft); font-size: 16px; line-height: 1.6; margin: 0 0 26px; max-width: 700px; }

/* hero */
.ox-hero { position: relative; overflow: hidden; padding: 64px var(--gutter) 46px; color: #fff;
  background: radial-gradient(700px 360px at 85% 10%, rgba(241, 24, 28, .35), transparent 60%), linear-gradient(120deg, #0A1F3D 0%, #0A3868 55%, #3c0a12 100%); }
.ox-hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr); gap: 40px; align-items: center; }
.ox-hero .ox-kicker { color: #ffb3b4; } .ox-hero .ox-kicker i { background: #ff5a5d; }
.ox-hero h1 { font-size: clamp(32px, 4vw, 52px); line-height: 1.06; letter-spacing: -.03em; margin: 0 0 14px; color: #fff; }
.ox-hero p { margin: 0 0 22px; font-size: 17.5px; line-height: 1.6; color: rgba(255, 255, 255, .86); max-width: 620px; }
.ox-ticks { list-style: none; margin: 0 0 26px; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 18px; }
.ox-ticks li { display: flex; gap: 9px; align-items: flex-start; font-size: 14.5px; color: rgba(255, 255, 255, .92); }
.ox-ticks svg { flex: none; width: 18px; height: 18px; margin-top: 2px; stroke: #6ee7a0; fill: none; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.ox-search { display: flex; align-items: center; gap: 10px; max-width: 560px; height: 54px; padding: 0 8px 0 16px; background: #fff; border-radius: 14px; box-shadow: 0 14px 40px rgba(0, 0, 0, .25); }
.ox-search svg { width: 19px; height: 19px; fill: none; stroke: #6b7385; stroke-width: 2.2; stroke-linecap: round; flex: none; }
.ox-search input { flex: 1; min-width: 0; border: 0; outline: 0; font: inherit; font-size: 15.5px; color: var(--ink); background: transparent; }
.ox-search .btn { padding: 10px 18px; }
/* hero side: a picture of the live class window */
.ox-screen { border-radius: 18px; background: #0e1116; border: 1px solid rgba(255, 255, 255, .14); box-shadow: 0 30px 70px rgba(0, 0, 0, .45); overflow: hidden; }
.ox-screen-top { display: flex; align-items: center; gap: 8px; padding: 10px 12px; background: #161b22; font-size: 12px; color: #c9d1dc; }
.ox-screen-top b { background: var(--red); color: #fff; border-radius: 999px; padding: 2px 9px; font-size: 11px; }
.ox-screen-top span:last-child { margin-left: auto; color: #ff8a8a; }
.ox-screen-body { position: relative; aspect-ratio: 16/10; background: linear-gradient(180deg, #1d2633, #121821); }
.ox-cad { position: absolute; inset: 14px 14px 14px 14px; border-radius: 8px; background: #20293a; overflow: hidden; }
.ox-cad svg { width: 100%; height: 100%; display: block; }
.ox-cam { position: absolute; right: 22px; bottom: 22px; width: 30%; aspect-ratio: 16/10; border-radius: 10px; background: linear-gradient(135deg, #5E0A14, #B3121F);
  border: 2px solid #2b323d; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; color: #fff; }
.ox-screen-bar { display: flex; gap: 8px; padding: 10px 12px; background: #161b22; }
.ox-screen-bar span { flex: 1; height: 26px; border-radius: 7px; background: #20262f; }
.ox-screen-bar span:last-child { background: var(--red); flex: .7; }

/* features */
.ox-feats { padding: 0 var(--gutter); margin-top: -1px; background: #fff; border-bottom: 1px solid var(--line); }
.ox-feats .ox-wrap { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ox-feat { padding: 24px 22px; display: flex; gap: 14px; align-items: flex-start; border-right: 1px solid var(--line); }
.ox-feat:last-child { border-right: 0; }
.ox-feat-ic { flex: none; width: 42px; height: 42px; border-radius: 12px; background: #fdecec; color: var(--red-d); display: flex; align-items: center; justify-content: center; }
.ox-feat-ic svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ox-feat b { display: block; font-size: 15px; margin-bottom: 3px; } .ox-feat span { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }

/* batch list */
.ox-list { padding: 46px var(--gutter) 60px; background: #f6f7fb; }
.ox-list-head { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: flex-end; margin-bottom: 22px; }
.ox-list-head p { margin: 0; color: var(--ink-mute); font-size: 14px; }
.ox-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 22px; }
.ox-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  box-shadow: 0 2px 10px rgba(16, 35, 63, .04); transition: transform .15s ease, box-shadow .15s ease; }
.ox-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(16, 35, 63, .12); }
.ox-card-img { position: relative; height: 150px; background: linear-gradient(120deg, #0A3868, #5E0A14); display: flex; align-items: center; justify-content: center; }
.ox-card-img img { max-width: 64%; max-height: 92px; object-fit: contain; filter: drop-shadow(0 6px 14px rgba(0, 0, 0, .3)); }
.ox-card-img .ox-sw { font: 700 26px "Space Grotesk", sans-serif; color: #fff; text-align: center; padding: 0 20px; }
.ox-tag { position: absolute; top: 12px; left: 12px; display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700;
  background: rgba(255, 255, 255, .95); color: var(--red-d); }
.ox-tag i { width: 7px; height: 7px; border-radius: 50%; background: var(--red); }
.ox-tag.r { left: auto; right: 12px; color: var(--navy); }
.ox-card-b { padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.ox-card h3 { margin: 0; font-size: 18px; line-height: 1.3; letter-spacing: -.01em; }
.ox-card h3 a { color: inherit; text-decoration: none; } .ox-card h3 a:hover { color: var(--red-d); }
.ox-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; font-size: 13px; color: var(--ink-soft); }
.ox-facts div { display: flex; gap: 7px; align-items: flex-start; }
.ox-facts svg, .ox-k svg { flex: none; width: 15px; height: 15px; margin-top: 2px; fill: none; stroke: var(--ink-mute); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ox-trainer { display: flex; align-items: center; gap: 10px; padding-top: 12px; border-top: 1px solid var(--line); }
.ox-av { flex: none; width: 40px; height: 40px; border-radius: 50%; object-fit: cover; background: #eef1f6; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--navy); font-size: 14px; }
.ox-trainer b { display: block; font-size: 14px; } .ox-trainer span { font-size: 12.5px; color: var(--ink-mute); }
.ox-seats { font-size: 12.5px; color: var(--ink-mute); }
.ox-bar { height: 6px; border-radius: 999px; background: #eceff4; overflow: hidden; margin-top: 5px; }
.ox-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--red), var(--red-d)); border-radius: inherit; }
.ox-seats.low { color: var(--red-d); font-weight: 600; }
.ox-card-f { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 4px; }
.ox-fee { font: 700 18px "Space Grotesk", sans-serif; color: var(--ink); } .ox-fee small { display: block; font: 500 11.5px "Work Sans", sans-serif; color: var(--ink-mute); }
.ox-card-f .btns { display: flex; gap: 8px; }
.ox .btn-ghost-d { background: #fff; color: var(--navy); border: 1px solid var(--line-strong); }
.ox .btn-ghost-d:hover { border-color: var(--navy); }
.ox-demo { display: flex; gap: 8px; align-items: center; padding: 8px 10px; border-radius: 10px; background: #effaf2; color: var(--ok); font-size: 13px; font-weight: 600; }
.ox-empty { background: #fff; border: 1px dashed var(--line-strong); border-radius: 18px; padding: 46px 24px; text-align: center; }
.ox-empty h3 { margin: 0 0 8px; font-size: 21px; } .ox-empty p { margin: 0 auto 18px; color: var(--ink-soft); max-width: 560px; }

/* how it works + requirements */
.ox-how { padding: 60px var(--gutter); background: #fff; }
.ox-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; counter-reset: ox; }
.ox-steps li { position: relative; padding: 20px 18px; border: 1px solid var(--line); border-radius: 16px; background: #fbfcfe; counter-increment: ox; }
.ox-steps li::before { content: counter(ox); display: inline-flex; width: 30px; height: 30px; border-radius: 50%; align-items: center; justify-content: center;
  background: var(--navy); color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 10px; }
.ox-steps b { display: block; margin-bottom: 4px; font-size: 15px; } .ox-steps span { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }
.ox-two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; margin-top: 30px; }
.ox-box { border: 1px solid var(--line); border-radius: 16px; padding: 22px; background: #fff; }
.ox-box h3 { margin: 0 0 12px; font-size: 17px; }
.ox-box ul { margin: 0; padding-left: 18px; display: grid; gap: 7px; font-size: 14px; color: var(--ink-soft); line-height: 1.5; }
.ox-box.warn { background: #fffaf0; border-color: #f1dfb6; }

/* FAQ */
.ox-faq { padding: 56px var(--gutter) 70px; background: #f6f7fb; }
.ox-faq .ox-wrap { max-width: 900px; }
.ox-faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 10px; }
.ox-faq summary { cursor: pointer; padding: 16px 18px; font-weight: 600; font-size: 15.5px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.ox-faq summary::-webkit-details-marker { display: none; }
.ox-faq summary::after { content: "+"; font-size: 20px; color: var(--ink-mute); line-height: 1; } .ox-faq details[open] summary::after { content: "–"; }
.ox-faq details p { margin: 0; padding: 0 18px 16px; color: var(--ink-soft); line-height: 1.6; font-size: 14.5px; }

/* detail page */
.ox-mini { position: sticky; top: 90px; display: grid; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 20px; box-shadow: 0 10px 30px rgba(16, 35, 63, .08); }
.ox-mini > b { font-size: 16px; } .ox-mini > span { font-size: 13.5px; color: var(--ink-mute); } .ox-mini .btn { width: 100%; justify-content: center; text-align: center; }
.ox-dhero { padding: 34px var(--gutter) 40px; color: #fff; background: radial-gradient(700px 340px at 90% 0%, rgba(241, 24, 28, .3), transparent 60%), linear-gradient(120deg, #0A1F3D 0%, #0A3868 60%, #3c0a12 100%); }
.ox-crumbs { font-size: 13px; color: rgba(255, 255, 255, .7); margin-bottom: 18px; } .ox-crumbs a { color: rgba(255, 255, 255, .85); text-decoration: none; } .ox-crumbs a:hover { text-decoration: underline; }
.ox-dgrid { display: grid; grid-template-columns: minmax(0, 1fr) 370px; gap: 36px; align-items: start; }
.ox-dhero h1 { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.1; letter-spacing: -.025em; margin: 0 0 12px; color: #fff; }
.ox-dhero p.lead { margin: 0 0 18px; font-size: 16.5px; line-height: 1.6; color: rgba(255, 255, 255, .86); max-width: 680px; }
.ox-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.ox-chips span { padding: 5px 12px; border-radius: 999px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .2); font-size: 13px; font-weight: 600; }
.ox-chips span.live { background: var(--red); border-color: var(--red); }
.ox-dtrainer { display: flex; gap: 12px; align-items: center; } .ox-dtrainer .ox-av { width: 46px; height: 46px; }
.ox-dtrainer b { display: block; } .ox-dtrainer span { font-size: 13px; color: rgba(255, 255, 255, .75); }
.ox-buy { background: #fff; color: var(--ink); border-radius: 18px; box-shadow: 0 24px 60px rgba(10, 31, 61, .3); overflow: hidden; }
.ox-buy-img { height: 130px; background: linear-gradient(120deg, #0A3868, #5E0A14); display: flex; align-items: center; justify-content: center; }
.ox-buy-img img { max-height: 84px; max-width: 60%; object-fit: contain; }
.ox-buy-b { padding: 20px; display: grid; gap: 14px; }
.ox-buy .ox-fee { font-size: 26px; }
.ox-k { display: grid; gap: 9px; font-size: 14px; }
.ox-k div { display: flex; gap: 9px; align-items: flex-start; } .ox-k b { font-weight: 600; }
.ox-buy .btn { width: 100%; justify-content: center; text-align: center; }
.ox-buy small { font-size: 12.5px; color: var(--ink-mute); text-align: center; display: block; }
.ox-body { padding: 44px var(--gutter) 64px; background: #f6f7fb; }
.ox-body .ox-dgrid > div { display: grid; gap: 22px; }
.ox-sec { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.ox-sec h2 { font-size: 22px; margin: 0 0 14px; }
.ox-sec p { color: var(--ink-soft); line-height: 1.7; margin: 0 0 10px; white-space: pre-line; }
.ox-sched { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.ox-sched div { padding: 14px; border-radius: 12px; background: #f6f8fc; border: 1px solid var(--line); }
.ox-sched span { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-mute); font-weight: 700; margin-bottom: 4px; }
.ox-sched b { font-size: 15px; }
.ox-tcard { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 18px; align-items: start; }
.ox-tcard .ox-av { width: 96px; height: 96px; border-radius: 18px; font-size: 30px; }
.ox-tcard h3 { margin: 0 0 2px; font-size: 19px; } .ox-tcard .d { color: var(--red-d); font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.ox-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; } .ox-pills span { padding: 4px 10px; border-radius: 999px; background: #eef2f8; font-size: 12.5px; font-weight: 600; color: var(--navy); }
.ox-incl { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; list-style: none; margin: 0; padding: 0; }
.ox-incl li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-soft); line-height: 1.5; }
.ox-incl svg { flex: none; width: 20px; height: 20px; margin-top: 1px; stroke: var(--ok); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.ox-sec .syl { margin: 0; padding: 0; border: 0; background: none; }

@media (max-width: 1080px) { .ox-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } .ox-feats .ox-wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ox-feat:nth-child(2) { border-right: 0; } .ox-feat:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }
@media (max-width: 900px) { .ox-hero-grid, .ox-dgrid, .ox-two { grid-template-columns: minmax(0, 1fr); } .ox-screen { display: none; } .ox-mini { display: none; } }
@media (max-width: 600px) { .ox-steps, .ox-feats .ox-wrap, .ox-ticks, .ox-incl, .ox-facts { grid-template-columns: 1fr; } .ox-feat { border-right: 0; border-bottom: 1px solid var(--line); }
  .ox-cards { grid-template-columns: 1fr; } .ox-tcard { grid-template-columns: 1fr; } .ox-hero { padding-top: 44px; } }
.ox-demo svg, .ox-chips svg { flex: none; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ox-trainer > div { min-width: 0; } .ox-trainer span { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ox-card-f { flex-wrap: wrap; } .ox-card-f .ox-fee { font-size: 16.5px; }
.ox-sec .ox-steps { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.ox-av { position: relative; overflow: hidden; } .ox-av img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ox-trainer .ox-av { display: inline-flex; font-size: 14px; color: var(--navy); line-height: 1; overflow: hidden; position: relative; }
.ox-av img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }