:root{--bg:#f8f7ff;--surface:#ffffff;--ink:#3a3a3a;--muted:#727272;--line:#e4e1ff;--accent:#5f39ff;--accent-strong:#4171a8;--accent-soft:#eeecff;--warm:#ab3896;--fresh:#20d9a1;--danger:#b42318;--danger-soft:#fff1f0;--success:#067647;--success-soft:#ecfdf3;--shadow:0 18px 60px rgba(63,63,63,0.12)}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:radial-gradient(circle at top left,rgba(95,57,255,0.2),transparent max(30rem,25vw)),radial-gradient(circle at 92% 18%,rgba(32,217,161,0.2),transparent max(26rem,21vw)),linear-gradient(135deg,#f8f7ff 0%,#fafffd 100%);font-family:"Nunito Sans",ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}button,input,select,textarea{font:inherit}.briefing-header{display:grid;grid-template-columns:auto 1fr auto;gap:18px 0;width:min(1160px,calc(100% - 28px));min-height:76px;align-items:center;margin:18px auto 0;padding:10px 12px 10px 18px;border:1px solid rgba(255,255,255,0.8);border-radius:8px;background:rgba(255,255,255,0.78);box-shadow:0 18px 55px rgba(7,3,55,0.1);backdrop-filter:blur(22px)}.briefing-brand img{display:block;width:138px;height:auto}.header-actions{display:flex;align-items:center;gap:10px;justify-self:end}.theme-toggle{position:relative;display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid rgba(95,57,255,0.22);border-radius:999px;background:rgba(255,255,255,0.86);box-shadow:0 8px 22px rgba(7,3,55,0.1);backdrop-filter:blur(16px);cursor:pointer;outline:none;overflow:hidden;flex-shrink:0;transition:background 350ms ease,border-color 350ms ease,box-shadow 350ms ease,transform 200ms ease}.theme-toggle:hover,.theme-toggle:focus-visible{transform:translateY(-1px) scale(1.06);box-shadow:0 12px 28px rgba(95,57,255,0.2)}.theme-toggle .icon-sun,.theme-toggle .icon-moon{position:absolute;width:20px;height:20px;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:opacity 280ms ease,transform 380ms cubic-bezier(0.34,1.56,0.64,1)}.theme-toggle .icon-sun{stroke:#f59e0b;opacity:1;transform:rotate(0deg) scale(1)}.theme-toggle .icon-moon{stroke:var(--ink);opacity:0;transform:rotate(-90deg) scale(0.6)}.theme-toggle .theme-ripple{position:absolute;inset:0;border-radius:inherit;background:rgba(123,95,255,0.18);transform:scale(0)}.theme-toggle .theme-ripple.is-animating{animation:theme-ripple 450ms ease-out forwards}@keyframes theme-ripple{to{transform:scale(2.4);opacity:0}}html[data-theme="dark"] .theme-toggle{background:rgba(13,12,26,0.88);border-color:rgba(123,95,255,0.28)}html[data-theme="dark"] .theme-toggle:hover,html[data-theme="dark"] .theme-toggle:focus-visible{box-shadow:0 12px 28px rgba(123,95,255,0.25)}html[data-theme="dark"] .theme-toggle .icon-sun{opacity:0;transform:rotate(90deg) scale(0.6)}html[data-theme="dark"] .theme-toggle .icon-moon{opacity:1;transform:rotate(0deg) scale(1)}.nav-back-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:8px;background:rgba(95,57,255,0.07);border:1.5px solid rgba(95,57,255,0.18);color:var(--accent);text-decoration:none;flex-shrink:0;transition:background 150ms,border-color 150ms}.nav-back-btn:hover{background:rgba(95,57,255,0.12);border-color:rgba(95,57,255,0.32)}.nav-back-btn svg{width:18px;height:18px}html[data-theme="dark"] .nav-back-btn{background:rgba(123,95,255,0.1);border-color:rgba(123,95,255,0.22);color:var(--accent)}.site-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:8px;padding:10px 16px;color:var(--accent);background:rgba(95,57,255,0.07);border:1.5px solid rgba(95,57,255,0.18);font-weight:800;font-size:.88rem;text-decoration:none;white-space:nowrap;transition:background 150ms,border-color 150ms}.site-link:hover{background:rgba(95,57,255,0.12);border-color:rgba(95,57,255,0.32)}html[data-theme="dark"] .site-link{background:rgba(123,95,255,0.1);border-color:rgba(123,95,255,0.22);color:var(--accent)}.back-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:8px;padding:10px 18px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--warm));font-weight:900;font-size:.9rem;text-decoration:none;white-space:nowrap;box-shadow:0 14px 34px rgba(95,57,255,0.22)}.briefing-shell{width:min(1160px,calc(100% - 32px));margin:0 auto;padding:56px 0}.intro-panel{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start;margin-bottom:24px}.intro-copy h1{max-width:760px;margin:0;font-size:clamp(2.2rem,5vw,4.6rem);line-height:0.98;letter-spacing:0}.intro-copy p:last-child{max-width:680px;margin:18px 0 0;color:var(--muted);font-size:1.1rem}.eyebrow{margin:0 0 12px;color:var(--warm);font-weight:800;letter-spacing:0;text-transform:uppercase}.progress-card,.briefing-form,.notice{border:1px solid rgba(255,255,255,0.68);background:rgba(255,255,255,0.82);box-shadow:var(--shadow);backdrop-filter:blur(18px)}.progress-card{position:fixed;top:176px;right:max(16px,calc((100vw - 1160px) / 2));z-index:10;width:280px;padding:14px 16px;border-radius:8px;transition:top 260ms ease}body.is-scrolled .progress-card{top:20px}.progress-label{display:block;color:var(--muted);font-size:0.78rem;font-weight:800;text-transform:uppercase}.progress-card strong{display:block;margin:0 0 8px;font-size:1.35rem;line-height:1.1}.progress-track{height:7px;overflow:hidden;border-radius:999px;background:#e8e2d7}.progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--warm),var(--fresh));transition:width 700ms cubic-bezier(0.22,1,0.36,1)}.notice{margin-bottom:18px;padding:16px 18px;border-radius:8px}.notice ul{margin:8px 0 0;padding-left:20px}.notice.success{color:var(--success);background:var(--success-soft)}.notice.error{color:var(--danger);background:var(--danger-soft)}.briefing-form{overflow:hidden;border-radius:8px}.form-section{padding:34px;border-top:1px solid var(--line)}.form-section:first-of-type{border-top:0}.section-head{display:flex;gap:14px;align-items:center;margin-bottom:18px}.section-head span{display:inline-grid;width:38px;height:38px;place-items:center;border-radius:999px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--warm));font-weight:800}.section-head h2{margin:0;font-size:1.35rem}.section-head.compact{margin-bottom:14px}.choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.choice-card{position:relative;min-height:74px;cursor:pointer}.choice-card input{position:absolute;opacity:0;pointer-events:none}.choice-card span{display:grid;min-height:74px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,0.75);color:var(--ink);font-weight:750;transition:border 160ms ease,background 160ms ease,color 160ms ease,transform 160ms ease}.choice-card input:focus-visible + span{outline:3px solid rgba(15,118,110,0.3);outline-offset:2px}.choice-card input:checked + span{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong);transform:translateY(-2px)}.two-column{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.content-section,.frame-section{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.content-section .section-head,.content-options{grid-column:1 / -1}.content-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.frame-block{grid-column:1 / 2}.stacked-options{display:grid;gap:10px}.stacked-options label{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,0.68)}.field-label{display:block;margin:0 0 7px;color:var(--muted);font-size:0.92rem;font-weight:750}input[type="text"],input[type="email"],input[type="tel"],select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:13px 14px;outline:none;transition:border 160ms ease,box-shadow 160ms ease}select{min-height:54px;padding-right:48px;appearance:none;background:linear-gradient(45deg,transparent 50%,var(--accent-strong) 50%) calc(100% - 24px) 50% / 7px 7px no-repeat,linear-gradient(135deg,var(--accent-strong) 50%,transparent 50%) calc(100% - 18px) 50% / 7px 7px no-repeat,linear-gradient(135deg,rgba(255,255,255,0.96),rgba(248,247,255,0.88));box-shadow:0 10px 24px rgba(22,25,31,0.045);cursor:pointer;margin-bottom:12px}select:hover{border-color:rgba(65,113,168,0.32);box-shadow:0 14px 30px rgba(22,25,31,0.07)}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(15,118,110,0.13)}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 22px;align-items:start}.form-field{display:grid;gap:7px}.form-field .field-label{margin:0}.message-field{margin-top:20px}.form-actions{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:24px 34px;border-top:1px solid var(--line);background:rgba(22,25,31,0.035)}.form-actions p{margin:0;color:var(--muted)}.form-actions button,.button.primary{min-width:180px;border:0;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--warm));color:#fff;padding:14px 18px;cursor:pointer;font-weight:850;transition:background 160ms ease,transform 160ms ease}.form-actions button:hover,.form-actions button:focus-visible,.button.primary:hover,.button.primary:focus-visible{background:var(--accent-strong);transform:translateY(-1px)}.trap{position:absolute;left:-9999px}@media (max-width:900px){.briefing-header{grid-template-columns:minmax(0,1fr) auto;width:min(1160px,calc(100% - 28px));min-height:64px;margin:10px auto 0;padding:10px 12px 10px 18px}.back-link,.site-link{min-height:40px;padding:9px 13px;font-size:.85rem}.nav-back-btn{width:40px;height:40px}.briefing-shell{width:min(100% - 20px,640px);padding:28px 0 118px}.intro-panel,.two-column,.content-section,.frame-section,.contact-grid{grid-template-columns:1fr;gap:14px}.content-section .section-head,.content-options,.frame-block{grid-column:auto}.content-options{grid-template-columns:1fr}.intro-panel{overflow:visible}.progress-card{top:auto;right:10px;bottom:10px;width:min(420px,calc(100% - 20px));display:grid;grid-template-columns:auto minmax(52px,auto);gap:8px 14px;align-items:center;order:-1;padding:10px 12px}body.is-scrolled .progress-card{top:auto}.progress-label{font-size:0.72rem}.progress-card strong{margin:0;font-size:1.05rem;text-align:right}.progress-track{grid-column:1 / -1;height:7px}.form-section,.form-actions{padding:22px}.form-actions{align-items:stretch;flex-direction:column}.form-actions button{width:100%}}@media (max-width:560px){.briefing-header{width:calc(100% - 20px);grid-template-columns:minmax(72px,1fr) auto;gap:7px 0;min-height:58px;padding:7px}.header-actions{gap:6px}.theme-toggle,.nav-back-btn{width:38px;height:38px}.briefing-brand{min-width:0;overflow:hidden}.briefing-brand img{width:104px}.back-link,.site-link{min-height:36px;padding:7px 10px;font-size:clamp(0.78rem,3.2vw,0.88rem)}}@media (min-width:1440px){.briefing-header,.briefing-shell,.briefing-footer-inner{width:min(1300px,calc(100% - 60px))}.progress-card{right:max(16px,calc((100vw - 1300px) / 2))}}.briefing-footer{border-top:1px solid var(--line);padding:22px 0 28px}.briefing-footer-inner{width:min(1160px,calc(100% - 28px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:var(--muted)}.briefing-footer-inner p{margin:0}.briefing-footer-inner nav{display:flex;gap:18px}.briefing-footer-inner a{color:var(--muted);text-decoration:none;transition:color 150ms}.briefing-footer-inner a:hover{color:var(--ink)}html[data-theme="dark"]{--bg:#0d0c1a;--surface:#161428;--ink:#e8e6ff;--muted:#9490b8;--line:rgba(255,255,255,0.08);--accent:#7b5fff;--accent-strong:#6ea3d4;--accent-soft:rgba(123,95,255,0.12);--warm:#cf5ab8;--shadow:0 18px 60px rgba(0,0,0,0.4);--success:#34d399;--success-soft:rgba(52,211,153,0.08);--danger:#f87171;--danger-soft:rgba(248,113,113,0.08)}html[data-theme="dark"] body{background:radial-gradient(circle at top left,rgba(123,95,255,0.18),transparent max(30rem,25vw)),radial-gradient(circle at 92% 18%,rgba(32,217,161,0.08),transparent max(26rem,21vw)),linear-gradient(135deg,#0d0c1a 0%,#0c1018 100%)}html[data-theme="dark"] .briefing-header{background:rgba(13,12,26,0.88);border-color:rgba(255,255,255,0.07);box-shadow:0 18px 55px rgba(0,0,0,0.4)}html[data-theme="dark"] .progress-card,html[data-theme="dark"] .briefing-form,html[data-theme="dark"] .notice{background:rgba(22,20,40,0.9);border-color:rgba(255,255,255,0.07)}html[data-theme="dark"] .progress-track{background:rgba(255,255,255,0.08)}html[data-theme="dark"] .form-section{border-top-color:rgba(255,255,255,0.06)}html[data-theme="dark"] .choice-card span{background:rgba(22,20,40,0.8);border-color:rgba(255,255,255,0.08);color:var(--ink)}html[data-theme="dark"] .choice-card input:checked + span{background:rgba(123,95,255,0.15);border-color:var(--accent);color:var(--accent-strong)}html[data-theme="dark"] .stacked-options label{background:rgba(22,20,40,0.7);border-color:rgba(255,255,255,0.07)}html[data-theme="dark"] input[type="text"],html[data-theme="dark"] input[type="email"],html[data-theme="dark"] input[type="tel"],html[data-theme="dark"] select,html[data-theme="dark"] textarea{background:#0d0c1a;border-color:rgba(255,255,255,0.1);color:var(--ink)}html[data-theme="dark"] select{background:linear-gradient(45deg,transparent 50%,var(--accent-strong) 50%) calc(100% - 24px) 50% / 7px 7px no-repeat,linear-gradient(135deg,var(--accent-strong) 50%,transparent 50%) calc(100% - 18px) 50% / 7px 7px no-repeat,linear-gradient(135deg,rgba(13,12,26,0.98),rgba(22,20,40,0.95))}html[data-theme="dark"] select:hover{border-color:rgba(110,163,212,0.3)}html[data-theme="dark"] select option{background-color:#161428;color:#e8e6ff}html[data-theme="dark"] input:focus,html[data-theme="dark"] select:focus,html[data-theme="dark"] textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(123,95,255,0.15)}html[data-theme="dark"] .form-actions{background:rgba(0,0,0,0.2);border-top-color:rgba(255,255,255,0.06)}html[data-theme="dark"] .notice.success{background:var(--success-soft);color:var(--success)}html[data-theme="dark"] .notice.error{background:var(--danger-soft);color:var(--danger)}