/* ===== LearnSpeedClimbing — Design System (Red / White) ===== */
:root{
  --bg:#ffffff; --bg-2:#fbf7f7; --panel:#ffffff; --panel-2:#fdf2f2;
  --line:#ececef; --line-2:#e0d6d6;
  --text:#15161a; --muted:#5b6068; --faint:#8b9099;
  --accent:#e11d2a; --accent-2:#b3121d; --accent-soft:#e11d2a12;
  --maxw:1180px;
  --r:14px; --r-lg:20px;
  --shadow:0 12px 40px rgba(225,29,42,.10);
  --shadow-soft:0 6px 24px rgba(15,16,20,.06);
  --t:.2s cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Satoshi','Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,.display{font-family:'Clash Display','Satoshi',sans-serif;font-weight:600;line-height:1.05;letter-spacing:-.02em;color:var(--text)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.accent{color:var(--accent)}
section{position:relative}

/* ===== Nav ===== */
header.nav{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Clash Display',sans-serif;font-weight:600;font-size:19px;letter-spacing:-.01em}
.logo .ls{color:var(--text)}.logo .sc{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{padding:8px 14px;border-radius:9px;color:var(--muted);font-size:14.5px;font-weight:500;transition:var(--t)}
.nav-links a:hover{color:var(--text);background:var(--panel-2)}
.nav-links a.active{color:var(--accent)}
.nav-links a.btn-primary{color:#fff}
.nav-links a.btn-primary:hover{color:#fff;background:var(--accent-2)}
.nav-links a.btn-ghost{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;font-weight:600;font-size:14.5px;
  transition:var(--t);cursor:pointer;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 16px rgba(225,29,42,.28)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px);box-shadow:0 6px 22px rgba(225,29,42,.36)}
.btn-ghost{border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:14px 26px;font-size:16px}
.hamburger{display:none;background:none;border:1px solid var(--line-2);border-radius:9px;width:42px;height:42px;
  color:var(--text);cursor:pointer;margin-left:auto;align-items:center;justify-content:center}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fff 0%,#fff5f5 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  max-width:var(--maxw);margin:0 auto;padding:80px 24px 88px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:7px 14px;border-radius:999px;
  border:1px solid #e11d2a26;margin-bottom:22px}
.hero h1{font-size:clamp(2.6rem,6vw,4.5rem);margin-bottom:20px;word-spacing:.12em;letter-spacing:.005em}
.hero h1 .grad{background:linear-gradient(100deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lede{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);max-width:540px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* Centered hero (single column) + pull feature cards to eye-level */
.hero-center .hero-grid-center{grid-template-columns:1fr;justify-items:center;text-align:center;
  padding:56px 24px 40px;max-width:860px}
.hero-center .hero-copy{display:flex;flex-direction:column;align-items:center}
.hero-center .hero-cta{justify-content:center}
.sec-tight{padding-top:28px}
.split.split-solo{grid-template-columns:1fr;max-width:760px}

/* Hero panel (no image) */
.hero-panel{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-2);
  box-shadow:var(--shadow);background:linear-gradient(150deg,var(--accent) 0%,var(--accent-2) 100%);
  color:#fff;padding:40px 38px;min-height:380px;display:flex;flex-direction:column;justify-content:space-between}
.hero-panel .hp-top{font-family:'Clash Display',sans-serif;font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:600;
  line-height:1.15;letter-spacing:-.02em}
.hero-panel .hp-top span{opacity:.82;font-weight:500}
.hero-stats-row{display:grid;grid-template-columns:0.75fr 1.5fr 0.9fr;gap:12px;margin-top:28px}
.hero-stats-row .hstat{background:rgba(255,255,255,.14);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.22);
  border-radius:12px;padding:14px 12px}
.hero-stats-row .hstat .n{font-family:'Clash Display',sans-serif;font-size:clamp(18px,2vw,24px);font-weight:600;color:#fff;white-space:nowrap}
.hero-stats-row .hstat .n .u{font-size:.6em;font-weight:500;opacity:.7;vertical-align:.35em;margin-left:1px}
.hero-stats-row .hstat .l{font-size:11px;color:rgba(255,255,255,.82);text-transform:uppercase;letter-spacing:.05em;margin-top:2px}
.hero-panel .hp-mark{position:absolute;right:-30px;bottom:-40px;opacity:.16;color:#fff}

.glow{display:none}

/* ===== Sections ===== */
.sec{padding:84px 0}
.sec-head{max-width:640px;margin:0 auto 52px;text-align:center}
.sec-head.left{text-align:left;margin-left:0}
.sec-head .eyebrow{margin-bottom:16px}
.sec-head h2{font-size:clamp(2rem,4vw,2.9rem);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:1.08rem}

/* ===== Feature cards ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:var(--t);
  position:relative;overflow:hidden;box-shadow:var(--shadow-soft)}
.card:hover{border-color:#f0c2c5;transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--accent-soft);border:1px solid #e11d2a26;
  display:grid;place-items:center;color:var(--accent);margin-bottom:18px}
.card h3{font-size:1.3rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--accent);font-weight:600;font-size:14px}

/* ===== Split feature (no image) ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split.rev .split-visual{order:2}
.split-visual{border-radius:var(--r-lg);border:1px solid var(--line-2);box-shadow:var(--shadow);aspect-ratio:4/3;
  background:linear-gradient(150deg,var(--accent) 0%,var(--accent-2) 100%);color:#fff;
  display:flex;flex-direction:column;justify-content:center;padding:38px;position:relative;overflow:hidden}
.split-visual .sv-num{font-family:'Clash Display',sans-serif;font-size:clamp(3rem,7vw,5rem);font-weight:600;line-height:1}
.split-visual .sv-label{font-size:1.05rem;font-weight:500;opacity:.92;margin-top:8px;max-width:260px}
.split-visual .sv-mark{position:absolute;right:-24px;bottom:-30px;opacity:.16;color:#fff}
.split h2{font-size:clamp(1.8rem,3.5vw,2.5rem);margin-bottom:18px}
.split p{color:var(--muted);margin-bottom:16px}
.checklist{list-style:none;margin:22px 0}
.checklist li{display:flex;gap:12px;align-items:flex-start;margin-bottom:13px;color:var(--text)}
.checklist li svg{flex:none;color:var(--accent);margin-top:3px}
.checklist li span{color:var(--muted)}.checklist li b{color:var(--text);font-weight:600}

/* ===== Stats band ===== */
.band{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.statgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.statgrid .n{font-family:'Clash Display',sans-serif;font-size:clamp(2.2rem,4vw,3rem);font-weight:600;color:var(--accent)}
.statgrid .l{color:var(--muted);font-size:.95rem;margin-top:6px}

/* ===== CTA / Community ===== */
.cta{background:linear-gradient(120deg,var(--accent),var(--accent-2));border:1px solid var(--accent-2);border-radius:var(--r-lg);
  padding:56px;text-align:center;position:relative;overflow:hidden;color:#fff;box-shadow:var(--shadow)}
.cta h2{font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:14px;color:#fff}
.cta .eyebrow{color:#fff;background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3)}
.cta p{color:rgba(255,255,255,.92);font-size:1.1rem;max-width:560px;margin:0 auto 28px}
.cta .btn-primary{background:#fff;color:var(--accent);box-shadow:0 4px 16px rgba(0,0,0,.18)}
.cta .btn-primary:hover{background:#fff;color:var(--accent-2);transform:translateY(-1px)}

/* ===== Article (content pages) ===== */
.article{max-width:760px;margin:0 auto;padding:56px 24px 40px}
.article .eyebrow{margin-bottom:18px}
.article h1{font-size:clamp(2.2rem,5vw,3.2rem);margin-bottom:18px}
.article .lede{font-size:1.2rem;color:var(--muted);margin-bottom:8px}
.article h2{font-size:1.7rem;margin:42px 0 14px}
.article h3{font-size:1.25rem;margin:28px 0 10px;color:var(--accent)}
.article p{color:#3a3f47;margin-bottom:16px}
.article ul,.article ol{color:#3a3f47;margin:0 0 18px 22px}
.article li{margin-bottom:9px}
.article a.inline{color:var(--accent);font-weight:600;border-bottom:1px solid #e11d2a55}
.callout{background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:10px;
  padding:18px 22px;margin:26px 0}
.callout p{margin:0;color:var(--muted)}.callout b{color:var(--text)}
.toc{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;margin:28px 0}
.toc h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);margin-bottom:12px}
.toc a{display:block;color:var(--muted);padding:5px 0;font-weight:500;transition:var(--t)}
.toc a:hover{color:var(--accent)}

/* Article banner (replaces feature image) */
.article-banner{border-radius:var(--r);margin:26px 0;border:1px solid var(--accent-2);
  background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;padding:30px 32px;
  display:flex;align-items:center;gap:18px}
.article-banner svg{flex:none;color:#fff;opacity:.92}
.article-banner b{font-family:'Clash Display',sans-serif;font-weight:600;font-size:1.2rem;display:block;margin-bottom:2px}
.article-banner span{color:rgba(255,255,255,.9);font-size:.98rem}

/* ===== FAQ accordion ===== */
.faq{margin:30px 0 8px;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden;transition:var(--t)}
.faq-item[open]{border-color:#e11d2a55;box-shadow:0 4px 18px rgba(225,29,42,.07)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;gap:14px;
  font-weight:600;font-size:1.05rem;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-item summary .q-ico{flex:none;width:22px;height:22px;display:grid;place-items:center;border-radius:6px;
  background:var(--accent-soft);color:var(--accent);transition:var(--t)}
.faq-item summary .q-ico svg{transition:transform .25s ease}
.faq-item[open] summary .q-ico{background:var(--accent);color:#fff}
.faq-item[open] summary .q-ico svg{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 22px 20px 58px}
.faq-item .faq-a p{margin:0;color:#3a3f47}
.faq-item .faq-a p+p{margin-top:12px}
.faq-item .faq-a a{color:var(--accent);font-weight:600;border-bottom:1px solid #e11d2a55}
@media(max-width:560px){.faq-item .faq-a{padding-left:22px}}

/* ===== Interactive speed wall ===== */
.wallmap{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:30px;align-items:stretch;
  margin:26px 0 34px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-soft)}
.wallmap-stage{display:flex;flex-direction:column;align-items:center;gap:12px}
.wall-svg{width:100%;max-width:280px;height:auto;display:block}
.wall-svg .zone{fill:transparent;stroke:var(--line-2);stroke-width:1;stroke-dasharray:5 5;
  cursor:pointer;transition:fill .2s ease,stroke .2s ease;outline:none}
.wall-svg .zone:hover{fill:var(--accent-soft);stroke:var(--accent)}
.wall-svg .zone:focus-visible{stroke:var(--accent);stroke-dasharray:none;stroke-width:2}
.wall-svg .zone.is-active{fill:var(--accent-soft);stroke:var(--accent);stroke-dasharray:none;stroke-width:2}
.wall-svg .zone-tag{fill:var(--muted);font-family:'Satoshi',sans-serif;font-size:9px;font-weight:700;
  letter-spacing:.14em;text-anchor:start;pointer-events:none;transition:fill .2s ease;
  stroke:#fff;stroke-width:2.4px;paint-order:stroke;stroke-linejoin:round}
/* Hand + foot holds: real clip-art images. Default = dim/desaturated; JS
   applies state classes to the wrapping <g>. transform-origin is the bolt
   point (0,0 of the group), which sits at the hold's wall position. */
.wall-svg .hold,.wall-svg .foot{pointer-events:none;
  transition:opacity .22s ease,filter .22s ease}
.wall-svg .hold .art,.wall-svg .foot .art{transition:filter .22s ease}
/* Resting / unselected: faded + greyed so used holds read as the route. */
.wall-svg .hold{opacity:.5;filter:grayscale(.7) brightness(1.12) saturate(.45)}
.wall-svg .foot{opacity:.45;filter:grayscale(.78) brightness(1.14) saturate(.4)}
/* Skipped: pushed further back. */
.wall-svg .hold.is-skip{opacity:.3;filter:grayscale(.92) brightness(1.2) saturate(.2)}
/* Used hand / start hand: full red art, no filter. */
.wall-svg .hold.is-used,.wall-svg .hold.is-start{opacity:1;filter:none}
.wall-svg .hold.is-start{filter:drop-shadow(0 0 1.6px rgba(225,29,42,.55))}
/* Used foot: full color art. */
.wall-svg .foot.is-foot{opacity:1;filter:none}
/* Varies (hand or foot): tint the red art toward a sharp, vivid yellow. */
.wall-svg .hold.is-vary,.wall-svg .foot.is-foot-vary{opacity:1;
  filter:saturate(2.2) hue-rotate(52deg) brightness(1.22)}
.wall-svg .varpath .pathseg{stroke:var(--accent-2);stroke-width:1.4;opacity:.5;stroke-linecap:round}
/* Overview state on load: whole wall reads as active red until first toggle. */
.wall-svg.is-allred .hold,
.wall-svg.is-allred .foot{opacity:1;filter:none}
.wall-svg .buzzer{fill:#f1c40f;stroke:#caa206;stroke-width:.6}
.wall-svg .buzzer-lbl{fill:#7a5e00;font-family:'Satoshi',sans-serif;font-size:5.4px;font-weight:700;letter-spacing:.06em;text-anchor:middle;pointer-events:none}
.wall-legend{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;font-size:11.5px;color:var(--muted);font-weight:500}
.wall-legend span{display:inline-flex;align-items:center;gap:6px}
.wall-legend .lg{width:11px;height:11px;display:inline-block;flex:0 0 auto}
/* Legend swatches: clip-art thumbnails for hand/foot, color chips for state. */
.wall-legend .lg-art{width:14px;height:16px;object-fit:contain;flex:0 0 auto}
.wall-legend .lg-foot-art{width:13px;height:15px}
.wall-legend .lg-swatch{width:11px;height:11px;border-radius:3px}
.wall-legend .lg-vary{background:#f1c40f}
.wall-legend .lg-skip{background:#b9bcc2}
.wall-hint{font-size:12px;font-weight:600;color:var(--faint);text-transform:uppercase;letter-spacing:.08em}
.wall-panel{display:flex;flex-direction:column;justify-content:center;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r);padding:28px 30px;box-shadow:var(--shadow-soft)}
.wall-panel-eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:10px}
.wall-panel h3{font-family:'Clash Display',sans-serif;font-weight:600;font-size:1.5rem;margin:0 0 12px}
.wall-panel p{color:var(--muted);margin:0 0 20px;line-height:1.65}
.wall-zonebtns{display:flex;gap:10px;flex-wrap:wrap}
.wall-zonebtn{font-family:'Satoshi',sans-serif;font-size:14px;font-weight:600;color:var(--muted);
  background:var(--bg-2);border:1px solid var(--line-2);border-radius:999px;padding:8px 18px;cursor:pointer;transition:var(--t)}
.wall-zonebtn:hover{border-color:var(--accent);color:var(--accent)}
.wall-zonebtn.is-active{background:var(--accent);border-color:var(--accent);color:#fff}
/* Variation toggles (shown inside panel once a zone is selected) */
.wall-varwrap{margin-top:18px}
.wall-varwrap[hidden]{display:none}
.wall-varlabel{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);margin-bottom:9px}
.wall-varbtns{display:flex;gap:8px;flex-wrap:wrap}
.wall-varbtn{font-family:'Satoshi',sans-serif;font-size:12.5px;font-weight:600;color:var(--muted);
  background:var(--bg-2);border:1px solid var(--line-2);border-radius:8px;padding:7px 13px;cursor:pointer;transition:var(--t)}
.wall-varbtn:hover{border-color:var(--accent);color:var(--accent)}
.wall-varbtn.is-active{background:var(--accent);border-color:var(--accent);color:#fff}
.wall-varnote{font-size:12.5px;color:var(--muted);margin:14px 0 0;line-height:1.55}
.wall-varnote b{color:var(--text)}

/* ===== Directory page ===== */
.dir-hero{padding:48px 0 28px;text-align:center;border-bottom:1px solid var(--line);background:var(--bg-2)}
.dir-hero h1{font-size:clamp(2.2rem,5vw,3rem);margin-bottom:12px}
.dir-hero p{color:var(--muted);max-width:620px;margin:0 auto}
.dir-frame{max-width:1320px;margin:0 auto;padding:24px}
.dir-frame iframe{width:100%;height:78vh;min-height:560px;border:1px solid var(--line-2);border-radius:var(--r-lg);
  background:var(--bg-2);box-shadow:var(--shadow-soft)}
.dir-note{text-align:center;color:var(--faint);font-size:13px;padding:0 24px 40px}

/* ===== Footer ===== */
footer{border-top:1px solid var(--line);background:var(--bg-2);padding:54px 0 30px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot-grid .about p{color:var(--muted);font-size:.95rem;margin-top:14px;max-width:280px}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);margin-bottom:14px}
.foot-col a{display:block;color:var(--muted);padding:5px 0;font-size:.95rem;transition:var(--t)}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid var(--line);margin-top:36px;padding-top:22px;display:flex;justify-content:space-between;
  color:var(--faint);font-size:13.5px;flex-wrap:wrap;gap:10px}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:900px){
  .hero-grid,.split,.split.rev .split-visual{grid-template-columns:1fr}
  .split.rev .split-visual{order:0}
  .hero-panel{min-height:0}
  .cards{grid-template-columns:1fr 1fr}
  .statgrid{grid-template-columns:1fr 1fr;gap:32px 16px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;inset:64px 0 auto 0;flex-direction:column;background:#fff;
    border-bottom:1px solid var(--line);padding:14px 24px;gap:2px;display:none;align-items:stretch;box-shadow:var(--shadow-soft)}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 12px;border-radius:9px}
  .nav-links .btn{margin-top:8px;justify-content:center}
  .hamburger{display:flex}
  .cta{padding:40px 24px}
  .wallmap{grid-template-columns:1fr;gap:22px}
  .wall-svg{max-width:240px}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .sec{padding:60px 0}
  .article-banner{flex-direction:column;text-align:center}
}