:root{
  --bg:#07111f;
  --bg2:#0b1e33;
  --card:#ffffff;
  --muted:#5d6c7e;
  --text:#0d1b2a;
  --white:#ffffff;
  --line:#dce5ef;
  --brand:#1a5cff;
  --brand2:#19c2ff;
  --accent:#00d6a3;
  --soft:#f3f7fb;
  --shadow:0 26px 80px rgba(2,12,27,.16);
  --radius:24px;
  --radius-sm:16px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#f7fbff 0%,#fff 45%,#f6f8fb 100%);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:88px 0}.section.compact{padding:56px 0}.eyebrow{display:inline-flex;gap:.5rem;align-items:center;padding:.38rem .72rem;border:1px solid rgba(26,92,255,.18);background:rgba(26,92,255,.08);color:#1147c7;border-radius:999px;font-weight:750;font-size:.82rem;letter-spacing:.02em}.eyebrow.dark{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.12);color:#fff}.h1{font-size:clamp(2.5rem,6vw,5.6rem);line-height:.95;margin:.8rem 0 1.2rem;letter-spacing:-.07em}.h2{font-size:clamp(2rem,4vw,3.7rem);line-height:1.03;margin:.4rem 0 1rem;letter-spacing:-.05em}.lead{font-size:clamp(1.08rem,2vw,1.35rem);color:#dbe8f5;max-width:760px}.lead.dark{color:#46586c}.small{color:var(--muted);font-size:.95rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:1rem 1.25rem;border-radius:999px;font-weight:800;border:1px solid transparent;transition:.22s ease;cursor:pointer}.btn.primary{background:linear-gradient(135deg,var(--brand),#073cc4);color:#fff;box-shadow:0 18px 36px rgba(26,92,255,.28)}.btn.primary:hover{transform:translateY(-2px);box-shadow:0 24px 48px rgba(26,92,255,.34)}.btn.secondary{background:rgba(255,255,255,.13);color:#fff;border-color:rgba(255,255,255,.22);backdrop-filter:blur(12px)}.btn.secondary:hover{background:rgba(255,255,255,.2)}.btn.light{background:#fff;color:#0b1e33;border-color:rgba(255,255,255,.25)}.btn.ghost{border-color:var(--line);background:#fff;color:#0b1e33}.btn.ghost:hover{border-color:#c3d0df;transform:translateY(-1px)}
.header{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);background:rgba(255,255,255,.82);border-bottom:1px solid rgba(190,205,224,.35)}.nav{height:88px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:.75rem}.brand-logo{height:52px;width:auto;display:block}.navlinks{display:flex;align-items:center;gap:.75rem;font-weight:700;color:#34475e}.navlinks a{font-size:.88rem;white-space:nowrap}.navlinks a:hover{color:var(--brand)}.nav-actions{display:flex;align-items:center;gap:.75rem}.menu-toggle{display:none;border:0;background:#eef4fb;border-radius:12px;width:42px;height:42px;font-size:1.4rem}.hero{position:relative;overflow:hidden;background:linear-gradient(125deg,rgba(7,17,31,.94),rgba(11,30,51,.78)),url('../images/hero-plane.jpg') center/cover no-repeat;color:#fff}.hero:before{content:"";position:absolute;inset:-20%;background:radial-gradient(circle at 70% 10%,rgba(25,194,255,.34),transparent 32%),radial-gradient(circle at 20% 80%,rgba(0,214,163,.2),transparent 26%)}.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;min-height:760px;padding:92px 0 70px}.hero-copy{padding-top:20px}.hero-ctas{display:flex;flex-wrap:wrap;gap:.9rem;margin:2rem 0}.hero-badges{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.5rem}.badge{display:inline-flex;align-items:center;gap:.5rem;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.11);padding:.62rem .82rem;border-radius:999px;font-weight:700;color:#eaf6ff}.hero-panel{position:relative}.dashboard{background:rgba(255,255,255,.94);color:var(--text);border-radius:30px;box-shadow:0 40px 90px rgba(0,0,0,.32);overflow:hidden;border:1px solid rgba(255,255,255,.5);transform:rotate(1deg)}.dashboard-bar{height:58px;background:#0b1e33;display:flex;align-items:center;gap:.55rem;padding:0 1rem}.dot{width:10px;height:10px;border-radius:999px;background:#e85757}.dot:nth-child(2){background:#ffc044}.dot:nth-child(3){background:#20cc88}.dash-body{padding:24px}.dash-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:20px}.dash-title{font-weight:900;font-size:1.25rem;letter-spacing:-.03em}.status{font-size:.8rem;background:#e9fff8;color:#007a5b;border-radius:999px;padding:.35rem .65rem;font-weight:800}.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}.kpi{background:#f4f7fb;border:1px solid #e1e9f2;border-radius:16px;padding:14px}.kpi strong{display:block;font-size:1.5rem;line-height:1.1}.kpi span{font-size:.78rem;color:#63758b}.task{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid #eaf0f6}.task:last-child{border:0}.task-icon{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,rgba(26,92,255,.16),rgba(25,194,255,.16));display:grid;place-items:center}.task-title{font-weight:800}.task-meta{font-size:.82rem;color:#66788c}.pill{font-size:.75rem;border-radius:999px;padding:.35rem .6rem;background:#eef4ff;color:#1147c7;font-weight:800}.floating{position:absolute;border-radius:18px;background:rgba(255,255,255,.92);color:#0d1b2a;box-shadow:0 24px 70px rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.7);padding:14px 16px;font-weight:800}.float-ai{right:-22px;top:10%;}.float-xml{left:-28px;bottom:18%;}.trust{border-bottom:1px solid var(--line);background:#fff}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:center}.trust-item{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;font-weight:800;color:#31445a}.grid{display:grid;gap:24px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid #e3ebf3;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card.pad{padding:28px}.card-img{height:170px;object-fit:cover;width:100%}.card h3{font-size:1.35rem;line-height:1.15;margin:.2rem 0 .6rem;letter-spacing:-.03em}.icon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;font-size:1.45rem;background:linear-gradient(135deg,rgba(26,92,255,.12),rgba(0,214,163,.12));margin-bottom:16px}.feature-list{display:grid;gap:12px;margin-top:22px}.check{display:flex;gap:10px;align-items:flex-start}.check:before{content:"✓";flex:0 0 auto;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#e9fff8;color:#007a5b;font-weight:900}.darkband{background:linear-gradient(135deg,#07111f,#0d2c4b);color:#fff;position:relative;overflow:hidden}.darkband:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 0% 0%,rgba(25,194,255,.25),transparent 35%),radial-gradient(circle at 100% 80%,rgba(0,214,163,.18),transparent 28%)}.darkband .container{position:relative}.workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}.step{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:22px;border-radius:22px}.step-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:999px;background:#fff;color:#0b1e33;font-weight:900;margin-bottom:14px}.step h3{margin:.2rem 0 .4rem}.step p{color:#dbe8f5;margin:0}.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:36px;align-items:center}.glass{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.17);border-radius:28px;padding:28px}.price-card{background:#fff;border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow);padding:34px}.price{font-size:3rem;font-weight:900;letter-spacing:-.06em;margin:.8rem 0}.muted-panel{background:#f4f8fc;border:1px solid #e2ebf5;border-radius:22px;padding:22px}.downloads{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.download{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff;transition:.2s}.download:hover{transform:translateY(-2px);box-shadow:0 18px 45px rgba(13,27,42,.1)}.contact-card{background:linear-gradient(135deg,#ffffff,#f3f8ff);border:1px solid #dfe8f2;border-radius:28px;box-shadow:var(--shadow);padding:34px}.contact-lines{display:grid;gap:12px;margin-top:20px}.contact-line{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid #e2ebf5;padding-bottom:11px}.contact-line span:first-child{font-weight:800;color:#384b61}.cta{padding:72px 0;background:linear-gradient(135deg,#1a5cff,#0b1e33);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px}.footer{padding:48px 0;background:#07111f;color:#b6c7d9}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:24px}.footer h4{color:#fff;margin:0 0 12px}.footer a{display:block;margin:6px 0;color:#c9d8e7}.legal-content{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:36px}.legal-content h2{margin-top:1.6rem}.notice{border-left:4px solid var(--brand);background:#eef5ff;padding:16px 18px;border-radius:12px}.skip{position:absolute;left:-999px}.skip:focus{left:20px;top:20px;z-index:999;background:#fff;padding:12px;border-radius:8px}
@media (max-width: 940px){.navlinks{position:fixed;left:20px;right:20px;top:84px;display:none;flex-direction:column;align-items:flex-start;background:#fff;padding:20px;border-radius:20px;box-shadow:var(--shadow)}.navlinks.open{display:flex}.menu-toggle{display:block}.nav-actions .btn{display:none}.hero-inner,.split{grid-template-columns:1fr}.hero-inner{min-height:auto;padding:76px 0}.dashboard{transform:none}.float-ai,.float-xml{display:none}.grid.three,.grid.two,.workflow,.trust-grid,.downloads,.footer-grid{grid-template-columns:1fr}.cta-inner{flex-direction:column;align-items:flex-start}.kpis{grid-template-columns:1fr}.h1{letter-spacing:-.055em}}
@media (max-width:600px){.container{width:min(var(--max),calc(100% - 28px))}.section{padding:64px 0}.contact-line{display:block}.btn{width:100%}.hero-ctas{width:100%}}


.section-head{max-width:820px;margin-bottom:26px}.quick-section{background:linear-gradient(180deg,#fff,#f6f9fd)}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}.quick-card{display:flex;flex-direction:column;gap:8px;padding:22px;border-radius:24px;background:#fff;border:1px solid #dfe8f2;box-shadow:0 18px 52px rgba(13,27,42,.08);transition:.2s}.quick-card:hover{transform:translateY(-3px);box-shadow:0 24px 64px rgba(13,27,42,.13)}.quick-card strong{font-size:1.12rem}.quick-card span:last-child{color:var(--muted)}.quick-card.highlight{background:linear-gradient(135deg,#0b1e33,#1a5cff);color:#fff;border-color:transparent}.quick-card.highlight span:last-child{color:#dbe8f5}.quick-icon{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;background:#eef5ff;font-size:1.35rem}.quick-card.highlight .quick-icon{background:rgba(255,255,255,.14)}.page-hero{padding-top:124px;background:linear-gradient(180deg,#f6fbff,#fff)}.action-card{display:block}.linkline{display:inline-block;margin-top:10px;font-weight:900;color:#1147c7}.highlight-download{background:linear-gradient(135deg,#f8fbff,#eef5ff);border-color:#bcd4ff}.video-box{width:100%;border:0;border-radius:18px;background:#07111f;margin:18px 0;box-shadow:0 14px 34px rgba(13,27,42,.12)}.notice a{font-weight:800;color:#1147c7;text-decoration:underline;text-underline-offset:3px}
@media (max-width: 1100px){.navlinks{gap:.55rem}.navlinks a{font-size:.82rem}.nav-actions .btn{padding:.78rem .95rem;font-size:.86rem}.brand{font-size:1.18rem}}
@media (max-width: 940px){.quick-grid{grid-template-columns:1fr}.navlinks a{font-size:1rem}}

@media (max-width: 1100px){.brand-logo{height:46px}}
@media (max-width: 600px){.nav{height:78px}.brand-logo{height:40px}}

/* v4 logo, hero and video refinements */
.brand-logo{height:52px;width:auto;max-width:235px;object-fit:contain;background:#fff;border-radius:10px;padding:2px 4px}
.footer .brand-logo{height:58px;padding:6px 8px;border-radius:12px}
.hero .h1{font-size:clamp(2.05rem,4.25vw,4.25rem);line-height:1.04;letter-spacing:-.055em;max-width:920px}
.hero-ctas{display:flex;flex-wrap:wrap;align-items:center;gap:.9rem}
.panel-badges{display:flex;gap:.65rem;flex-wrap:wrap;justify-content:flex-end;margin:0 0 18px auto;position:relative;z-index:3}
.panel-badges .badge{background:rgba(255,255,255,.22);backdrop-filter:blur(14px);box-shadow:0 14px 40px rgba(0,0,0,.12)}
.hero-panel .dashboard{margin-top:0}
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.video-card{background:#fff;border:1px solid #e3ebf3;border-radius:24px;box-shadow:var(--shadow);overflow:hidden}
.video-card .pad{padding:24px}
.video-preview{width:100%;aspect-ratio:16/9;background:#07111f;border-radius:18px;overflow:hidden;margin:18px 0;box-shadow:0 14px 34px rgba(13,27,42,.12)}
.video-preview iframe,.video-preview video{width:100%;height:100%;border:0;display:block;background:#07111f}
.video-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.video-topic{background:#fff;border:1px solid #dfe8f2;border-radius:18px;padding:16px;font-weight:800;color:#31445a}.language-switch{display:flex;gap:.4rem;align-items:center}.language-switch a{font-size:.78rem;font-weight:900;padding:.26rem .42rem;border-radius:999px;background:#eef4fb;color:#0b1e33}.language-switch a:hover{background:#dfeaff;color:#1147c7}
@media (max-width: 1100px){.brand-logo{height:46px;max-width:200px}.panel-badges{justify-content:flex-start}.video-grid{grid-template-columns:1fr}.video-list{grid-template-columns:1fr 1fr}}
@media (max-width: 940px){.hero .h1{font-size:clamp(2rem,8vw,3.2rem)}.panel-badges{margin-top:10px}.brand-logo{max-width:185px}.nav{height:82px}}
@media (max-width: 600px){.brand-logo{height:40px;max-width:165px}.footer .brand-logo{height:46px}.video-list{grid-template-columns:1fr}}


/* v5 updates: language selector, panel badge layout, support download */
.language-select{appearance:none;-webkit-appearance:none;border:1px solid #d7e3f0;background:#fff;color:#0b1e33;border-radius:999px;padding:.45rem 2rem .45rem .8rem;font-weight:900;font-size:.82rem;line-height:1;box-shadow:0 8px 22px rgba(13,27,42,.06);cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,#1147c7 50%),linear-gradient(135deg,#1147c7 50%,transparent 50%);background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.language-select:focus{outline:3px solid rgba(26,92,255,.18);border-color:#1a5cff}.panel-badges{display:grid;grid-template-columns:max-content max-content;grid-auto-rows:auto;gap:.65rem;justify-content:end;align-items:center;margin:0 0 18px auto;position:relative;z-index:3}.panel-badges .badge{white-space:nowrap}.hero .h1{font-size:clamp(1.9rem,3.7vw,3.8rem);line-height:1.08;max-width:870px}.hero-ctas .btn{white-space:nowrap}.brand-logo{height:56px;max-width:250px}.footer .brand-logo{height:60px}@media (max-width:1100px){.panel-badges{justify-content:start}.brand-logo{height:48px;max-width:220px}}@media (max-width:600px){.panel-badges{grid-template-columns:1fr}.brand-logo{height:42px;max-width:170px}.language-select{width:100%;max-width:240px}.hero-ctas .btn{white-space:normal}}

.original-page-preview{aspect-ratio:16/10;background:#fff}.original-page-preview iframe{background:#fff}


/* v6 refinements */
.panel-badges{grid-template-columns:repeat(3,max-content);grid-template-rows:repeat(2,auto);justify-content:end;align-items:center;gap:.65rem;max-width:100%;}
.panel-badges .badge{white-space:nowrap;font-size:.86rem;padding:.55rem .72rem;}
.hero-panel{overflow:visible;}
.youtube-lite{position:relative;display:grid;place-items:center;width:100%;aspect-ratio:16/9;border:0;border-radius:18px;overflow:hidden;margin:18px 0;box-shadow:0 14px 34px rgba(13,27,42,.12);background:#07111f center/cover no-repeat;background-image:var(--thumb);cursor:pointer;}
.youtube-lite:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(7,17,31,.42),rgba(26,92,255,.12));}
.youtube-lite button{position:absolute;inset:0;border:0;background:transparent;cursor:pointer;display:grid;place-items:center;}
.youtube-lite iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#07111f;}
.play-circle{position:relative;z-index:1;display:grid;place-items:center;width:72px;height:72px;border-radius:999px;background:rgba(255,255,255,.92);color:#1147c7;font-weight:900;font-size:1.5rem;box-shadow:0 18px 45px rgba(0,0,0,.28);}
.youtube-search-card{background-image:linear-gradient(135deg,rgba(7,17,31,.94),rgba(11,30,51,.72)),url('../images/hero-plane.jpg');color:#fff;text-align:center;gap:12px;}
.youtube-search-card .search-label{position:relative;z-index:1;font-weight:900;font-size:1.05rem;}
@media (max-width:1100px){.panel-badges{grid-template-columns:repeat(3,max-content);justify-content:start}.panel-badges .badge{font-size:.82rem;padding:.5rem .62rem}}
@media (max-width:700px){.panel-badges{grid-template-columns:repeat(2,max-content)}}
@media (max-width:430px){.panel-badges{grid-template-columns:1fr}.panel-badges .badge{justify-content:center}}