:root{--bg: #f4f6f9;--surface: #ffffff;--text: #23272f;--text-dim: #636e72;--text-bright: #13161c;--border: #e2e6ef;--navy: #0f1923;--navy-end: #1a2435;--mint: #00c48c;--mint-hover: #00b07e;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.07);--shadow-lg: 0 8px 30px rgba(0,0,0,.1);--radius: 14px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:DM Sans,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}.container{max-width:1040px;margin:0 auto;padding:0 1.5rem}.nav{position:sticky;top:0;z-index:100;background:#0f1923d9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06);transition:background .3s,box-shadow .3s}.nav--scrolled{background:#0f1923f5;box-shadow:0 2px 20px #00000040}.nav__inner{max-width:1040px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:56px}.nav__logo{display:flex;align-items:center;gap:.5rem;color:#fff;text-decoration:none;font-family:Space Grotesk,sans-serif;font-weight:700;font-size:1rem;letter-spacing:-.02em}.nav__logo svg{color:var(--mint)}.nav__links{list-style:none;display:flex;gap:.15rem;align-items:center}.nav__link{display:block;padding:.4rem .75rem;font-size:.82rem;font-weight:500;color:#fff9;text-decoration:none;border-radius:8px;transition:color .2s,background .2s;font-family:Space Grotesk,sans-serif;letter-spacing:.02em}.nav__link:hover{color:#fff;background:#ffffff14}.nav__link--video{color:var(--mint);border:1px solid rgba(0,196,140,.35)}.nav__link--video:hover{color:#fff;background:var(--mint);border-color:var(--mint)}.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.nav__toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}.nav__toggle--open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav__toggle--open span:nth-child(2){opacity:0}.nav__toggle--open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.hero{background:linear-gradient(160deg,var(--navy) 0%,#172636 45%,var(--navy-end) 100%);color:#fff;padding:7rem 0 5rem;text-align:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 25% 20%,rgba(0,196,140,.14) 0%,transparent 55%),radial-gradient(ellipse at 75% 70%,rgba(155,127,212,.1) 0%,transparent 50%);pointer-events:none}.hero__overline{font-family:Space Grotesk,sans-serif;font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--mint);margin-bottom:1.2rem;position:relative}.hero__title{font-family:Space Grotesk,sans-serif;font-size:clamp(1.9rem,4.5vw,2.9rem);font-weight:700;letter-spacing:-.03em;line-height:1.15;margin-bottom:1rem;position:relative}.hero__subtitle{font-size:1.05rem;color:#94a3b8;max-width:560px;margin:0 auto 2.5rem;position:relative;line-height:1.7}.hero__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;position:relative}.hero__downloads{display:flex;flex-wrap:wrap;gap:.65rem;justify-content:center;align-items:center;margin-top:1rem;position:relative}.hero__downloads-label{width:100%;font-family:Space Grotesk,sans-serif;font-size:.78rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase;color:#ffffff73;text-align:center;margin-bottom:.15rem}.btn--sm{padding:.55rem 1.15rem;font-size:.8rem}.btn{display:inline-flex;align-items:center;gap:.55rem;padding:.75rem 1.6rem;border-radius:10px;font-family:Space Grotesk,sans-serif;font-size:.88rem;font-weight:600;text-decoration:none;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-1px)}.btn--primary{background:var(--mint);color:#fff}.btn--primary:hover{background:var(--mint-hover);box-shadow:0 6px 20px #00c48c4d}.btn--secondary{background:#ffffff14;color:#e2e8f0;border:1px solid rgba(255,255,255,.14)}.btn--secondary:hover{background:#ffffff24;border-color:#ffffff40;box-shadow:0 4px 14px #0003}.btn--secondary:disabled{opacity:.6;cursor:not-allowed;transform:none}main{padding:3rem 0 4rem;display:flex;flex-direction:column;gap:2rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .3s ease,transform .3s ease;scroll-margin-top:72px}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}.card__header{display:flex;align-items:center;gap:1rem;padding:1.4rem 2rem;border-bottom:1px solid var(--border);background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 6%,transparent),color-mix(in srgb,var(--accent) 3%,transparent))}.card__num{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--accent);color:#fff;font-family:Space Grotesk,sans-serif;font-size:.95rem;font-weight:700;flex-shrink:0}.card__title{font-family:Space Grotesk,sans-serif;font-size:1.25rem;font-weight:600;color:var(--text-bright);letter-spacing:-.01em}.card__frame{padding:0}.card__frame iframe{display:block;width:100%;height:520px;border:none}.card__desc{padding:1.5rem 2rem 2rem;font-size:.92rem;color:var(--text-dim);line-height:1.75}.video-section{padding:3rem 0 4rem;scroll-margin-top:72px}.video-section__header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem}.video-section__num{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--navy);color:#fff;font-size:.9rem;font-weight:700;font-family:Space Grotesk,sans-serif}.video-section__title{font-family:Space Grotesk,sans-serif;font-size:1.25rem;font-weight:600;color:var(--text-bright);letter-spacing:-.01em}.video-frame{aspect-ratio:16 / 9;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}.video-frame video{display:block;width:100%;height:100%;object-fit:cover}.footer{background:var(--navy);border-top:none;padding:2.5rem 0;text-align:center;font-size:.82rem;color:#ffffff73}@media(max-width:768px){.nav__links{position:absolute;top:56px;left:0;right:0;background:#0f1923fa;flex-direction:column;padding:.75rem;gap:0;border-bottom:1px solid rgba(255,255,255,.06);display:none}.nav__links--open,.nav__toggle{display:flex}.hero{padding:5rem 0 3.5rem}.hero__actions,.hero__downloads{flex-direction:column;align-items:center}.btn{width:100%;max-width:320px;justify-content:center}.card__header{padding:1.1rem 1.25rem}.card__frame iframe{height:360px}.card__desc{padding:1.25rem}}