/* SAEFA Milestone 1.3.1 — integrated truck, open section layout */
.truck-scroll{height:430vh;margin-top:62px;position:relative;background:transparent}
.truck-sticky{position:sticky;top:72px;height:calc(100vh - 86px);min-height:640px;display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);grid-template-rows:1fr auto;gap:26px 46px;align-items:stretch;padding:20px 0 14px;border:0;border-radius:0;background:transparent;overflow:visible}
.truck-copy{align-self:center;max-width:440px;min-width:0;z-index:3;padding:0}
.truck-copy .eyebrow{margin-bottom:18px}
.truck-stage-title{font-size:clamp(2.5rem,3.7vw,4.05rem);line-height:.94;letter-spacing:-.052em;font-weight:780;margin:0 0 22px;max-width:9.5ch}
.truck-stage-copy{font-size:clamp(1rem,1.55vw,1.35rem);line-height:1.55;color:rgba(255,255,255,.7);max-width:38ch;margin:0}
.truck-stage-list{margin-top:34px;border-top:1px solid var(--line-dark)}
.truck-stage-item{display:flex;align-items:center;gap:15px;padding:12px 0;border-bottom:1px solid var(--line-dark);font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.32);transition:color .25s ease,transform .25s ease}
.truck-stage-item span{font-size:.64rem;color:var(--saefa-green);font-weight:900}
.truck-stage-item.is-active{color:#fff;transform:translateX(7px)}
.truck-view{position:relative;min-width:0;overflow:hidden;border:0;border-radius:0;background:transparent;box-shadow:none;margin-block:50px}
#truck-canvas{display:block;width:100%;height:100%;touch-action:pan-y;pointer-events:none}
.truck-fallback{position:absolute;inset:0;display:none;place-content:center;text-align:center;gap:8px;color:#fff;z-index:20;padding:28px}.truck-fallback span{color:rgba(255,255,255,.55);font-size:.9rem}
.truck-loading{position:absolute;inset:0;z-index:15;display:grid;place-content:center;gap:14px;text-align:center;background:#111612;color:#a8b2a7;transition:opacity .35s ease}.truck-loading span{width:34px;height:34px;border:2px solid #394239;border-top-color:var(--saefa-green);border-radius:50%;animation:truck-spin .9s linear infinite;margin:auto}.truck-loading b{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase}@keyframes truck-spin{to{transform:rotate(360deg)}}
.truck-hud-grid{position:absolute;inset:0;pointer-events:none;opacity:.27;background-image:linear-gradient(rgba(132,156,132,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(132,156,132,.12) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 92%)}
.truck-hud-corner{position:absolute;width:66px;height:66px;opacity:.78}.truck-hud-corner--tl{left:26px;top:26px;border-left:2px solid var(--saefa-green);border-top:2px solid var(--saefa-green)}.truck-hud-corner--br{right:26px;bottom:26px;border-right:2px solid var(--saefa-green);border-bottom:2px solid var(--saefa-green)}.truck-hud-label{position:absolute;right:26px;top:26px;font-size:.54rem;letter-spacing:.17em;color:#718071}
.truck-callout{position:absolute;z-index:4;padding:10px 12px 10px 32px;border:1px solid rgba(121,199,25,.45);border-radius:12px;background:rgba(17,22,18,.82);backdrop-filter:blur(8px);opacity:0;transform:translateY(8px);pointer-events:none;transition:none}.truck-callout:before{content:"";position:absolute;left:14px;top:15px;width:7px;height:7px;border-radius:50%;background:var(--saefa-green);box-shadow:0 0 0 5px rgba(121,199,25,.12)}.truck-callout b{display:block;font-size:.72rem}.truck-callout small{display:block;color:#9ca59c;margin-top:3px;font-size:.6rem}.truck-callout--tires{left:7%;bottom:14%}.truck-callout--visibility{right:6%;top:18%}.truck-callout--brakes{right:6%;bottom:21%}
.truck-scroll-meter{grid-column:1/-1;height:2px;background:#303830;margin-inline:0}.truck-scroll-meter span{display:block;height:100%;width:0;background:var(--saefa-green)}
@media(max-width:1080px){.truck-scroll{height:340vh;margin-top:42px}.truck-sticky{top:68px;height:calc(100svh - 78px);height:calc(100dvh - 78px);min-height:600px;grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr) auto;gap:16px;padding:16px 0 10px}.truck-copy{max-width:none;padding:0}.truck-copy .eyebrow{margin-bottom:9px}.truck-stage-title{font-size:clamp(2.15rem,7vw,3.65rem);margin-bottom:9px;max-width:none}.truck-stage-copy{font-size:.96rem;line-height:1.48;max-width:62ch}.truck-stage-list{display:none}.truck-view{min-height:46vh;border-radius:0;margin-block:0;contain:layout paint}.truck-callout{transform:scale(.82);transform-origin:center}.truck-scroll-meter{grid-row:3}}
@media(max-width:680px){.truck-scroll{height:285vh;margin-top:30px}.truck-sticky{top:62px;height:calc(100svh - 70px);height:calc(100dvh - 70px);min-height:560px;padding:10px 0 7px;border-radius:0;gap:12px}.truck-copy .eyebrow{font-size:.63rem}.truck-stage-title{font-size:clamp(2rem,10.5vw,2.7rem);line-height:.94}.truck-stage-copy{font-size:.9rem;line-height:1.42;max-width:42ch}.truck-view{min-height:40vh}.truck-callout{display:none}.truck-hud-label{right:14px;top:14px;font-size:.48rem}.truck-hud-grid{opacity:.18;background-size:44px 44px}.truck-hud-corner{width:42px;height:42px}.truck-hud-corner--tl{left:14px;top:14px}.truck-hud-corner--br{right:14px;bottom:14px}}
@media(prefers-reduced-motion:reduce){.truck-scroll{height:auto}.truck-sticky{position:relative;top:auto;min-height:760px}.truck-stage-list{display:none}.truck-loading span{animation:none}}