/* Forge Fitness · energía: negro, amarillo voltio y tipografía condensada */
@font-face { font-family: "Anton"; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/anton.woff2) format("woff2") }
.ff {
  --bk: #0b0b0b; --bk-2: #151515; --bk-3: #1f1f1f; --volt: #e4ff3a; --w: #f4f4f1; --g: #a3a39e; --line: rgba(255, 255, 255, .12);
  --cond: "Anton", Impact, "Arial Narrow", sans-serif; --sans: "Inter Tight", system-ui, sans-serif;
  --c-fuerza: #e4ff3a; --c-hiit: #ff6a3d; --c-movilidad: #5fd3ff; --c-running: #b892ff;
  margin: 0; background: var(--bk); color: var(--w); font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased
}
.ff *, .ff *::before, .ff *::after { box-sizing: border-box }
.ff img { display: block; max-width: 100%; height: auto }
.ff a { color: inherit; text-decoration: none }
.ff h1, .ff h2, .ff h3, .ff p, .ff ul { margin: 0 }
.ff button, .ff input, .ff select { font: inherit; color: inherit }
.ff :focus-visible { outline: 2px solid var(--volt); outline-offset: 3px }
.ff .ff-w { width: min(1320px, 100% - clamp(32px, 6vw, 96px)); margin-inline: auto }
.ff h2 { font-family: var(--cond); font-weight: 400; text-transform: uppercase; font-size: clamp(3rem, 8vw, 7.4rem); line-height: .9; letter-spacing: .005em }

.ff-hd { position: sticky; top: 0; z-index: 40; background: rgba(11, 11, 11, .86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line) }
.ff-hd-in { height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px }
.ff-logo { font-family: var(--cond); font-size: 1.5rem; letter-spacing: .04em }
.ff-logo span { color: var(--volt); margin: 0 4px }
.ff-nav { display: flex; align-items: center; gap: 26px; font-weight: 600; font-size: .9rem; text-transform: uppercase; letter-spacing: .06em }
.ff-nav a:not(.ff-btn):hover { color: var(--volt) }
.ff .ff-menu { display: none; background: none; border: 1px solid var(--line); padding: 8px 14px; cursor: pointer; text-transform: uppercase; font-weight: 600; font-size: .8rem; letter-spacing: .08em }
@media (max-width: 860px) {
  .ff .ff-menu { display: block }
  .ff-nav { position: absolute; left: 0; right: 0; top: 66px; flex-direction: column; align-items: stretch; gap: 0; background: var(--bk-2); padding: 8px 24px 22px; border-bottom: 1px solid var(--line) }
  .ff-nav a:not(.ff-btn) { padding: 14px 0; border-bottom: 1px solid var(--line) }
  .ff-nav .ff-btn { margin-top: 16px }
  .js .ff-nav:not(.open) { display: none }
}
.ff .ff-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; background: var(--volt); color: var(--bk); border: 2px solid var(--volt); font-weight: 800; text-transform: uppercase; letter-spacing: .06em; font-size: .88rem; cursor: pointer; clip-path: polygon(0 0, 100% 0, 100% 72%, 92% 100%, 0 100%); transition: background .25s, color .25s }
.ff .ff-btn:hover { background: var(--w); border-color: var(--w) }
.ff .ff-btn.sm { min-height: 42px; padding: 0 18px; font-size: .8rem }
.ff .ff-btn.ghost { background: transparent; color: var(--w); border-color: var(--line) }
.ff .ff-btn.ghost:hover, .ff .ff-btn[aria-pressed="true"] { background: var(--volt); color: var(--bk); border-color: var(--volt) }

/* Hero */
.ff-hero { position: relative; min-height: calc(100vh - 104px); min-height: calc(100svh - 104px); display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden }
.ff-hero-img { position: absolute; inset: 0 }
.ff-hero-img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; filter: grayscale(.4) contrast(1.15) }
.ff-hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(11, 11, 11, .9), rgba(11, 11, 11, .35) 60%, rgba(11, 11, 11, .6)), repeating-linear-gradient(-55deg, transparent 0 28px, rgba(228, 255, 58, .05) 28px 30px); animation: stripes 30s linear infinite }
@keyframes stripes { to { background-position: 0 0, 300px 0 } }
.ff-hero-in { position: relative; z-index: 2; padding: 80px 0 40px }
.ff-tag { display: inline-block; background: var(--volt); color: var(--bk); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .76rem; padding: 6px 10px }
.ff-hero h1 { font-family: var(--cond); font-weight: 400; text-transform: uppercase; font-size: clamp(4rem, 13vw, 13rem); line-height: .86; margin: 22px 0 30px; display: grid }
.ff-outline { color: transparent; -webkit-text-stroke: 2px var(--volt) }
.js .ff-hero h1 span { animation: punch .9s cubic-bezier(.2, .9, .2, 1) both }
.js .ff-hero h1 span:nth-child(2) { animation-delay: .12s }
@keyframes punch { from { opacity: 0; transform: translateX(-40px) skewX(-8deg) } }
.ff-hero-ft { display: flex; justify-content: space-between; align-items: end; gap: 20px 40px; flex-wrap: wrap }
.ff-hero-ft p { max-width: 40ch; color: #d9d9d4; font-size: 1.08rem }
.ff-band { position: relative; z-index: 2; background: var(--volt); color: var(--bk); overflow: hidden; transform: rotate(-1.2deg); margin: 0 -10px 10px }
.ff-band > div { display: flex; width: max-content; animation: band 24s linear infinite }
.ff-band span { font-family: var(--cond); font-size: 1.6rem; text-transform: uppercase; padding: 8px 28px }
.ff-band span::after { content: "✕"; margin-left: 56px; font-family: var(--sans); font-size: 1rem; vertical-align: middle }
@keyframes band { to { transform: translateX(-50%) } }

/* Programas */
.ff-prog, .ff-sched, .ff-coach, .ff-plans, .ff-trial { padding: clamp(70px, 10vw, 130px) 0 }
.ff-pl { list-style: none; padding: 0; margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px }
@media (max-width: 1000px) { .ff-pl { grid-template-columns: 1fr 1fr } }
@media (max-width: 560px) { .ff-pl { grid-template-columns: 1fr } }
.ff-p { display: grid; gap: 12px; align-content: start }
.ff-p-img { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--bk-2) }
.ff-p-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.1); transition: filter .6s, transform 1.2s cubic-bezier(.16, 1, .3, 1) }
.ff-p:hover .ff-p-img img { filter: grayscale(0); transform: scale(1.05) }
.ff-p-n { position: absolute; left: 12px; top: 6px; font-family: var(--cond); font-size: 3rem; color: var(--volt); line-height: 1 }
.ff-p h3 { font-family: var(--cond); font-weight: 400; font-size: 2.2rem; text-transform: uppercase; line-height: 1 }
.ff-p p { color: var(--g) }
.ff-p-ft { display: flex; justify-content: space-between; align-items: center; padding-top: 10px; border-top: 1px solid var(--line); font-weight: 600 }
.ff-lvl { display: inline-flex; gap: 3px; align-items: flex-end }
.ff-lvl i { width: 6px; height: 14px; background: var(--bk-3) }
.ff-lvl i:nth-child(2) { height: 17px } .ff-lvl i:nth-child(3) { height: 20px } .ff-lvl i:nth-child(4) { height: 23px } .ff-lvl i:nth-child(5) { height: 26px }
.ff-lvl i.on { background: var(--volt) }

/* Horario */
.ff-sched { background: var(--bk-2) }
.ff-sh { display: flex; justify-content: space-between; align-items: end; gap: 20px 40px; flex-wrap: wrap; margin-bottom: 30px }
.ff-sh > p { color: var(--g); max-width: 40ch }
.ff-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px }
.ff .ff-filter button, .ff .ff-daytabs button { background: transparent; border: 1px solid var(--line); padding: 9px 16px; cursor: pointer; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: .78rem }
.ff .ff-filter button[aria-pressed="true"], .ff .ff-daytabs button[aria-selected="true"] { background: var(--volt); color: var(--bk); border-color: var(--volt) }
.ff-daytabs { display: none; gap: 6px; margin-bottom: 16px; overflow-x: auto }
.ff-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px }
.ff-day h3 { font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; padding: 10px 0; border-bottom: 2px solid var(--volt); margin-bottom: 10px }
.ff-day ul { list-style: none; padding: 0; display: grid; gap: 8px }
.ff-c[hidden] { display: none }
.ff .ff-c button { width: 100%; text-align: left; display: grid; gap: 2px; padding: 12px; background: var(--bk-3); border: 0; border-left: 4px solid var(--c); cursor: pointer; transition: transform .25s, background .25s }
.ff .ff-c button:hover { transform: translateY(-2px); background: #262626 }
.ff .ff-c button[aria-disabled="true"] { opacity: .55; cursor: not-allowed; transform: none }
.ff-c-t { font-weight: 800; font-variant-numeric: tabular-nums }
.ff-c b { font-family: var(--cond); font-weight: 400; font-size: 1.35rem; text-transform: uppercase; line-height: 1.05 }
.ff-c-m { font-size: .8rem; color: var(--g) }
.ff-fuerza { --c: var(--c-fuerza) } .ff-hiit { --c: var(--c-hiit) } .ff-movilidad { --c: var(--c-movilidad) } .ff-running { --c: var(--c-running) }
@media (max-width: 900px) {
  .ff-daytabs { display: flex }
  .ff-grid { grid-template-columns: 1fr }
  .js .ff-day:not(.cur) { display: none }
  .ff-day h3 { display: none }
}

/* Coaches */
.ff-cl { list-style: none; padding: 0; margin-top: 10px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px }
@media (max-width: 800px) { .ff-cl { grid-template-columns: 1fr } }
.ff-cimg { aspect-ratio: 4 / 5; overflow: hidden; margin-bottom: 14px; position: relative }
.ff-cimg::after { content: ""; position: absolute; inset: auto 0 0 0; height: 6px; background: var(--volt); transform: scaleX(.2); transform-origin: left; transition: transform .7s cubic-bezier(.16, 1, .3, 1) }
.ff-cl li:hover .ff-cimg::after { transform: none }
.ff-cimg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.15) }
.ff-cl h3 { font-family: var(--cond); font-weight: 400; font-size: 2rem; text-transform: uppercase }
.ff-cl p { color: var(--g) }

/* Tarifas */
.ff-toggle { display: inline-flex; border: 1px solid var(--line); padding: 4px }
.ff-toggle input { position: absolute; opacity: 0; width: 1px; height: 1px }
.ff-toggle span { display: block; padding: 10px 18px; cursor: pointer; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: .8rem }
.ff-toggle small { color: var(--volt); margin-left: 6px }
.ff-toggle input:checked + span { background: var(--volt); color: var(--bk) }
.ff-toggle input:checked + span small { color: var(--bk) }
.ff-toggle input:focus-visible + span { outline: 2px solid var(--volt); outline-offset: 2px }
.ff-cards { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch }
@media (max-width: 900px) { .ff-cards { grid-template-columns: 1fr } }
.ff-plan { position: relative; background: var(--bk-2); padding: 30px 26px; display: flex; flex-direction: column; gap: 10px; border: 1px solid var(--line); transition: border-color .3s, transform .3s }
.ff-plan.top { border-color: var(--volt) }
.ff-plan.picked { border-color: var(--volt); transform: translateY(-4px); box-shadow: 0 0 0 1px var(--volt) }
.ff-badge { position: absolute; top: -12px; left: 26px; background: var(--volt); color: var(--bk); font-weight: 800; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; padding: 4px 8px }
.ff-plan h3 { font-family: var(--cond); font-weight: 400; font-size: 2.6rem; text-transform: uppercase; line-height: 1 }
.ff-line { color: var(--g) }
.ff-price b { font-family: var(--cond); font-weight: 400; font-size: 3.4rem; line-height: 1 }
.ff-price span { color: var(--g); margin-left: 4px }
.ff-bill { font-size: .85rem; color: var(--g); min-height: 1.4em }
.ff-plan ul { list-style: none; padding: 14px 0; display: grid; gap: 8px; border-top: 1px solid var(--line); flex: 1 }
.ff-plan ul li::before { content: "→ "; color: var(--volt) }
.ff-note { color: var(--g); font-size: .85rem; margin-top: 24px }

/* Formulario */
.ff-trial { background: var(--volt); color: var(--bk) }
.ff-tr-in { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(30px, 5vw, 80px) }
@media (max-width: 860px) { .ff-tr-in { grid-template-columns: 1fr } }
.ff-tr-in > div p { margin-top: 18px; font-size: 1.1rem; max-width: 36ch }
.ff-hl { -webkit-text-stroke: 2px var(--bk); color: transparent }
.ff-form { display: grid; gap: 16px; background: var(--bk); color: var(--w); padding: clamp(20px, 3vw, 36px) }
.ff-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px }
@media (max-width: 560px) { .ff-row { grid-template-columns: 1fr } }
.ff-f { display: grid; gap: 6px }
.ff-f label { font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em }
.ff-opt { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--g) }
.ff-f input, .ff-f select { width: 100%; min-height: 50px; background: var(--bk-2); border: 1px solid var(--line); padding: 10px 14px; border-radius: 0 }
.ff-f input:focus, .ff-f select:focus { outline: none; border-color: var(--volt) }
.ff [aria-invalid="true"] { border-color: #ff6a3d !important }
.ff-err { color: #ff8c66; font-size: .87rem }
.ff-err::before { content: "⚠ " }
.ff-chk { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; color: #d9d9d4 }
.ff-chk input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--volt) }
.ff-form .ff-btn { justify-self: start }
.ff-done { border-left: 4px solid var(--volt); padding: 12px 16px; background: var(--bk-2) }
.ff-ft { border-top: 1px solid var(--line); padding: 34px 0; color: var(--g); font-size: .86rem }
.ff-ft .ff-w { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; align-items: center }
@media (prefers-reduced-motion: reduce) { .ff-band > div, .ff-hero::before { animation: none } }