*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:#15181c;font-family:'IBM Plex Sans',sans-serif;-webkit-font-smoothing:antialiased}
::selection{background:#2ba1db;color:#fff}
a{color:inherit;text-decoration:none}
input,select,textarea{font-family:'IBM Plex Sans',sans-serif}
input::placeholder,textarea::placeholder{color:#a8b0b8}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid #e2e6ea}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 40px;height:72px;display:flex;align-items:center;justify-content:space-between}
.nav-links{display:flex;align-items:center;gap:30px;font-size:15px;font-weight:500}
.nav-links a{color:#2c333b}
.nav-links a:hover{color:#1a7fb0}
.nav-links a.active{color:#1a7fb0;font-weight:600}
.btn-reg{background:#2ba1db;color:#fff!important;padding:9px 18px;border-radius:5px;font-weight:600}
.btn-reg:hover{background:#1a7fb0!important}
.nav-mobile{display:none;padding:14px 20px;align-items:center;justify-content:space-between;border-bottom:1px solid #e2e6ea;background:rgba(255,255,255,.95);backdrop-filter:blur(8px)}

/* Hero */
.hero-wrap{max-width:1180px;margin:0 auto;padding:64px 40px 56px}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#1a7fb0;margin-bottom:18px}
.hero-title{font-size:clamp(36px,5vw,58px);line-height:1.02;letter-spacing:-.025em;font-weight:700;margin:0 0 20px;max-width:18ch}
.hero-desc{font-size:19px;line-height:1.6;color:#2c333b;max-width:62ch;margin:0}

/* Rule + Timeline */
.rule-section{background:#f5f6f8;border-bottom:1px solid #e2e6ea}
.rule-grid{max-width:1180px;margin:0 auto;padding:56px 40px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.rule-box{border:1px solid #2ba1db;background:#e8f4fb;border-radius:8px;padding:30px}
.rule-box-title{font-size:19px;font-weight:700;margin-bottom:10px}
.rule-box-text{font-size:15.5px;line-height:1.6;color:#2c333b;margin:0}
.timeline-box{background:#fff;border:1px solid #e2e6ea;border-radius:8px;padding:30px}
.timeline-label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#5c656f;margin-bottom:18px}
.tl-row{display:flex;gap:14px}
.tl-row:not(:last-child){padding-bottom:13px;border-bottom:1px solid #e2e6ea;margin-bottom:13px}
.tl-num{font-family:'IBM Plex Mono',monospace;color:#1a7fb0;font-weight:600;flex:none;width:18px}
.tl-title{font-weight:600;font-size:15px}
.tl-date{font-size:13px;color:#8a929b}

/* Topics + Formats */
.content-section{border-bottom:1px solid #e2e6ea}
.content-wrap{max-width:1180px;margin:0 auto;padding:56px 40px}
.sec-label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#5c656f;margin-bottom:16px}
.topic-chips{display:flex;flex-wrap:wrap;gap:9px;font-size:14px;font-weight:500;margin-bottom:40px}
.topic-chip{background:#e8f4fb;color:#1a7fb0;border-radius:6px;padding:8px 14px}
.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.format-card{border:1px solid #e2e6ea;border-radius:8px;padding:26px}
.format-name{font-size:18px;font-weight:600;margin-bottom:6px}
.format-time{font-family:'IBM Plex Mono',monospace;font-size:13px;color:#1a7fb0;margin-bottom:12px}
.format-desc{font-size:14.5px;line-height:1.6;color:#5c656f;margin:0}
.content-note{font-size:15px;line-height:1.6;color:#5c656f;margin:26px 0 0;max-width:70ch}

/* Form section */
.form-section{background:#f5f6f8;border-bottom:1px solid #e2e6ea}
.form-outer{max-width:820px;margin:0 auto;padding:64px 40px}
.form-header h2{font-size:clamp(26px,3vw,36px);line-height:1.1;letter-spacing:-.02em;font-weight:700;margin:0 0 8px}
.form-header p{font-size:16px;line-height:1.6;color:#5c656f;margin:0 0 36px}
.form-card{background:#fff;border:1px solid #e2e6ea;border-radius:8px;padding:36px;display:flex;flex-direction:column;gap:34px}
.form-group-label{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#1a7fb0;margin-bottom:20px}
.field{display:block;margin-bottom:22px}
.field:last-child{margin-bottom:0}
.field-label{font-size:13px;font-weight:600;color:#2c333b;display:block;margin-bottom:8px}
.field-req{color:#2ba1db}
.field input,.field select,.field textarea{width:100%;border:1px solid #d4d9de;border-radius:6px;font-size:16px;padding:12px 14px;background:#fff;color:#15181c;cursor:pointer;transition:border-color .15s,box-shadow .15s}
.field input,.field textarea{cursor:text}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#2ba1db;box-shadow:0 0 0 3px #e8f4fb}
.field textarea{resize:vertical;line-height:1.55}
.field-2col{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:22px}
.toggle-row{display:flex;gap:14px;align-items:flex-start;cursor:pointer}
.toggle-box{flex:none;width:22px;height:22px;border-radius:5px;border:2px solid #c2c9d0;background:#fff;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;margin-top:1px;transition:border-color .15s,background .15s}
.toggle-text{font-size:15px;line-height:1.55;color:#2c333b}
.form-error{background:#fdecec;border:1px solid #f3c0c0;color:#b3261e;border-radius:6px;padding:12px 16px;font-size:14px;margin-bottom:18px;display:none}
.field-error{background:#fdecec;border:1px solid #f3c0c0;color:#b3261e;border-radius:6px;padding:10px 14px;font-size:13px;margin-top:10px;display:none}
.submit-btn{background:#2ba1db;color:#fff;border:none;font-weight:600;font-size:16px;padding:15px 30px;border-radius:5px;cursor:pointer;font-family:'IBM Plex Sans',sans-serif;transition:background .15s}
.submit-btn:hover{background:#1a7fb0}
.submit-note{font-size:13px;color:#8a929b;margin:16px 0 0;max-width:60ch;line-height:1.6}

/* Confirmation */
.confirm-card{background:#fff;border:1px solid #e2e6ea;border-radius:8px;padding:44px;text-align:center;display:none}
.confirm-badge{display:inline-flex;align-items:center;gap:9px;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#1a7fb0;margin-bottom:20px}
.confirm-title{font-size:34px;line-height:1.08;letter-spacing:-.02em;font-weight:700;margin:0 0 14px}
.confirm-text{font-size:16px;line-height:1.6;color:#5c656f;max-width:52ch;margin:0 auto 28px}
.confirm-ref{display:inline-block;border:1px solid #e2e6ea;border-radius:8px;padding:20px 28px;background:#f5f6f8;margin-bottom:28px}
.confirm-ref-label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#8a929b;margin-bottom:8px}
.confirm-ref-code{font-family:'IBM Plex Mono',monospace;font-size:22px;font-weight:600;color:#1a7fb0}
.confirm-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:#2ba1db;color:#fff;font-weight:600;padding:13px 24px;border-radius:5px;font-size:16px;display:inline-block}
.btn-primary:hover{background:#1a7fb0}
.btn-outline{border:1px solid #d4d9de;color:#1a7fb0;font-weight:600;padding:13px 24px;border-radius:5px;font-size:16px;display:inline-block}
.btn-outline:hover{background:#e8f4fb;border-color:#2ba1db}

/* Footer */
.footer-full{display:flex;gap:56px;flex-wrap:wrap}
.footer-short{display:none}

/* Mobile */
@media(max-width:768px){
  .nav-inner{display:none}
  .nav{border-bottom:none;background:rgba(255,255,255,.95)}
  .nav-mobile{display:flex}
  .hero-wrap{padding:30px 20px}
  .hero-desc{font-size:16px}
  .rule-grid{grid-template-columns:1fr;padding:28px 20px;gap:16px}
  .rule-box{padding:22px}
  .rule-box-title{font-size:17px}
  .rule-box-text{font-size:14.5px}
  .timeline-box{padding:22px}
  .content-wrap{padding:32px 20px}
  .format-grid{grid-template-columns:1fr;gap:12px}
  .format-card{padding:18px}
  .format-name{font-size:17px}
  .topic-chip{padding:6px 11px;font-size:13px}
  .form-outer{padding:32px 20px}
  .form-card{padding:24px;gap:28px}
  .field-2col{grid-template-columns:1fr;gap:16px;margin-bottom:16px}
  .toggle-text{font-size:14px}
  .submit-btn{width:100%;padding:15px}
  .confirm-card{padding:28px}
  .confirm-title{font-size:27px}
  .confirm-text{font-size:15px}
  .confirm-btns{flex-direction:column}
  .btn-primary,.btn-outline{text-align:center;padding:13px}
  .footer-full{display:none}
  .footer-short{display:flex;flex-direction:column;gap:12px;font-size:15px;padding-top:22px;border-top:1px solid #2c333b}
  .footer-top{flex-direction:column!important;gap:0!important;padding-bottom:0!important;border-bottom:none!important}
  .footer-bottom{display:none!important}
}
/* Upload widget */
.upload-section{margin-top:22px}
.upload-lbl{font-size:13px;font-weight:600;color:#2c333b;display:block;margin-bottom:4px}
.upload-hint{font-size:13px;line-height:1.55;color:#8a929b;margin:0 0 10px}
.dropzone{border:2px dashed #c2c9d0;border-radius:8px;padding:30px 24px;text-align:center;cursor:pointer;background:#fafbfc;transition:border-color .15s,background .15s}
.dropzone:hover{border-color:#2ba1db;background:#f3f9fd}
.dropzone-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:9px;background:#e8f4fb;color:#1a7fb0;font-size:22px;margin-bottom:12px}
.dropzone-title{font-size:15px;font-weight:600;color:#2c333b}
.dropzone-sub{font-family:'IBM Plex Mono',monospace;font-size:12px;color:#8a929b;margin-top:7px}
.file-attached{display:none;align-items:center;gap:14px;border:1px solid #2ba1db;background:#e8f4fb;border-radius:8px;padding:16px 18px}
.file-ext{flex:none;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;background:#2ba1db;color:#fff;font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:600}
.file-info{flex:1;min-width:0}
.file-info-lbl{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#1a7fb0;margin-bottom:3px}
.file-info-name{font-size:15px;font-weight:600;color:#15181c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-info-size{font-family:'IBM Plex Mono',monospace;font-size:12px;color:#5c656f}
.remove-btn{flex:none;border:1px solid #d4d9de;background:#fff;color:#5c656f;font-size:13px;font-weight:600;padding:8px 14px;border-radius:5px;cursor:pointer;font-family:'IBM Plex Sans',sans-serif}
.remove-btn:hover{border-color:#b3261e;color:#b3261e}