[hidden]{display:none !important}.bk-glass-panel{padding:32px 36px;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.08);border-radius:14px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}:root{--bk-orange-400:#FFA940;--bk-orange-500:#FF8000;--bk-orange-600:#CC6600;--bk-teal-400:#5EEAD4;--bk-teal-500:#4ECDC4;--bk-teal-600:#35B0A7;--bk-brand:var(--bk-orange-500);--bk-accent:var(--bk-teal-500);--user-primary:var(--bk-orange-500);--user-secondary:var(--bk-teal-500);--user-primary-glow:rgba(255,128,0,0.85);--user-primary-soft:rgba(255,128,0,0.35);--user-secondary-glow:rgba(78,205,196,0.55);--bk-glass-bg:rgba(0,0,0,0.55);--bk-glass-border:rgba(255,255,255,0.1);--bk-glass-blur:blur(10px);--bk-overlay-dark:rgba(0,0,0,0.4);--bk-text-primary:#fff;--bk-text-secondary:#ccc;--bk-text-tertiary:#aaa;--bk-text-muted:#888}.bk-stage{position:relative;background:#000;overflow:hidden;min-height:100vh}.bk-stage__starfield{position:absolute;inset:0;background-image:url('https://res.cloudinary.com/de9gkio1s/image/upload/f_auto,q_auto,w_1920/Website_Assets_Online/LinkedIn/about_background.jpg');background-size:cover;background-position:center;background-repeat:no-repeat;z-index:0;pointer-events:none}@media (hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){.bk-stage__starfield{background-attachment:fixed}}.bk-stage__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,5,15,0.58) 0%,rgba(15,8,2,0.6) 50%,rgba(8,4,0,0.62) 100%);z-index:1;pointer-events:none}.bk-stage__content{position:relative;z-index:2}.bk-shooting-star{position:absolute;width:70px;height:1px;transform:rotate(-18deg);z-index:1;pointer-events:none}.bk-shooting-star--orange{background:linear-gradient(90deg,transparent,rgba(255,160,50,0.85) 50%,rgba(255,128,0,0.3) 90%,transparent);box-shadow:0 0 6px rgba(255,128,0,0.5)}.bk-shooting-star--teal{background:linear-gradient(90deg,transparent,rgba(78,205,196,0.75) 50%,rgba(78,205,196,0.25) 90%,transparent);box-shadow:0 0 6px rgba(78,205,196,0.45);transform:rotate(22deg)}.bk-shooting-star--primary{background:linear-gradient(90deg,transparent,var(--user-primary) 50%,transparent);box-shadow:0 0 6px var(--user-primary)}.bk-shooting-star--secondary{background:linear-gradient(90deg,transparent,var(--user-secondary) 50%,transparent);box-shadow:0 0 6px var(--user-secondary);transform:rotate(22deg)}.bk-sparkle{position:absolute;font-size:14px;color:rgba(255,170,80,0.8);text-shadow:0 0 8px rgba(255,128,0,0.6);pointer-events:none;z-index:1}.bk-section{padding:72px 48px;position:relative}@media (max-width:700px){.bk-section{padding:48px 24px}}.bk-section__inner{position:relative;z-index:1;max-width:1320px;margin:0 auto}.bk-section__overline{font-family:system-ui,-apple-system,sans-serif;color:var(--bk-orange-400);font-size:13px;letter-spacing:0.32em;font-weight:700;margin-bottom:14px;text-shadow:0 0 10px rgba(255,128,0,0.4);text-align:center}.bk-section__overline--user-primary{color:var(--user-primary);text-shadow:0 0 10px var(--user-primary)}.bk-section__title{font-family:system-ui,-apple-system,sans-serif;font-weight:900;font-size:clamp(40px,5.2vw,68px);color:var(--bk-text-primary);letter-spacing:-0.028em;line-height:1.08;text-align:center;margin:0}.bk-section__sub{font-family:system-ui,-apple-system,sans-serif;color:var(--bk-text-muted);font-size:16px;margin-top:12px;text-align:center}.bk-orb{position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none;z-index:0}.bk-hero-v2{padding:140px 48px 56px;position:relative;text-align:center}@media (max-width:700px){.bk-hero-v2{padding:110px 24px 40px}}.bk-centered-shell{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:48px 32px}.bk-hero-v2__pill{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:rgba(78,205,196,0.12);border:1px solid rgba(78,205,196,0.45);border-radius:100px;margin-bottom:28px;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.bk-hero-v2__pill-dot{width:8px;height:8px;border-radius:50%;background:var(--bk-teal-500);box-shadow:0 0 12px var(--bk-teal-500)}.bk-hero-v2__pill-text{color:var(--bk-teal-500);font-family:system-ui,-apple-system,sans-serif;font-size:13px;font-weight:700;letter-spacing:0.18em}.bk-hero-v2__headline-a{font-family:system-ui,-apple-system,sans-serif;font-weight:900;font-size:clamp(48px,8vw,96px);line-height:1.08;color:var(--bk-text-primary);letter-spacing:-0.04em;text-shadow:0 2px 20px rgba(0,0,0,0.6);padding-bottom:4px;margin:0}.bk-hero-v2__headline-b{font-family:system-ui,-apple-system,sans-serif;font-weight:900;font-size:clamp(48px,8vw,96px);line-height:1.08;background:linear-gradient(90deg,#FFA940,#FF8000,#FFA940);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-0.04em;margin:0 0 28px;padding-bottom:16px;filter:drop-shadow(0 0 20px rgba(255,128,0,0.3))}.bk-hero-v2__subtitle{font-family:system-ui,-apple-system,sans-serif;color:var(--bk-text-secondary);font-size:clamp(17px,1.6vw,22px);max-width:760px;margin:0 auto 32px;line-height:1.55;text-shadow:0 1px 4px rgba(0,0,0,0.8)}.bk-hero-v2__subtitle strong{color:var(--bk-text-primary);font-weight:700}.bk-hero-v2__stats{display:flex;gap:14px;justify-content:center;margin:40px auto 0;flex-wrap:wrap;max-width:900px}.bk-stat-chip{padding:16px 24px;background:rgba(0,0,0,0.5);border:1px solid rgba(255,128,0,0.4);border-radius:12px;font-family:system-ui,-apple-system,sans-serif;font-size:17px;color:var(--bk-text-secondary);letter-spacing:0.01em;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 4px 18px rgba(0,0,0,0.3)}.bk-stat-chip b{color:var(--bk-orange-500);font-weight:900;font-size:22px;margin-right:4px}@media (max-width:640px){.bk-stat-chip{padding:12px 18px;font-size:15px}.bk-stat-chip b{font-size:19px}}.bk-pair-card__reveal-overlay{position:absolute;inset:0;z-index:4;clip-path:inset(0 0 100% 0);will-change:clip-path;background:var(--bk-glass-bg)}.bk-pair-card__reveal-line{position:absolute;left:-8%;right:-8%;top:-25%;height:28%;pointer-events:none;z-index:6;opacity:0;will-change:top,opacity;background:linear-gradient( 180deg,transparent 0%,rgba(255,250,240,0.08) 28%,rgba(255,255,255,0.45) 48%,rgba(255,255,255,0.65) 50%,rgba(255,255,255,0.45) 52%,rgba(255,250,240,0.08) 72%,transparent 100% )}@keyframes bk-card-reel{0%{transform:translateY(0);opacity:1}28%{transform:translateY(106%);opacity:0}32%{transform:translateY(-106%);opacity:0}64%{transform:translateY(6%);opacity:1}82%{transform:translateY(-2%)}100%{transform:translateY(0);opacity:1}}.bk-pair-card__inner--reeling{animation:bk-card-reel 720ms cubic-bezier(0.6,0.04,0.3,1) both}@media (prefers-reduced-motion:reduce){.bk-pair-card__inner--reeling{animation:none !important}}.bk-btn-rolling{position:relative;overflow:hidden;pointer-events:none}.bk-btn-rolling::after{content:'';position:absolute;inset:0;background:linear-gradient( 90deg,transparent,color-mix(in srgb,var(--user-primary,#FF8000) 28%,transparent),transparent );animation:bk-btn-rolling-sweep 1.1s linear infinite}@keyframes bk-btn-rolling-sweep{from{transform:translateX(-100%)}to{transform:translateX(100%)}}@media (prefers-reduced-motion:reduce){.bk-pair-card--rolling::after,.bk-btn-rolling::after{animation:none}}@keyframes bk-new-badge-pulse{0%{opacity:0;transform:translateY(-6px) scale(0.9)}20%{opacity:1;transform:translateY(0) scale(1.06)}40%{transform:translateY(0) scale(1)}100%{opacity:1;transform:translateY(0) scale(1)}}.bk-pair-card--new{box-shadow:0 8px 32px rgba(0,0,0,0.4),0 0 0 2px var(--user-primary),0 0 40px var(--user-primary-glow,rgba(255,128,0,0.85));animation:bk-new-card-flash 2.4s ease-out}@keyframes bk-new-card-flash{0%{box-shadow:0 8px 32px rgba(0,0,0,0.4),0 0 0 3px var(--user-primary),0 0 60px var(--user-primary-glow,rgba(255,128,0,1))}100%{box-shadow:0 8px 32px rgba(0,0,0,0.4),0 0 24px var(--user-primary-soft,rgba(255,128,0,0.35))}}@media (prefers-reduced-motion:reduce){.bk-pair-card--new{animation:none}.bk-pair-card__new-badge{animation:none !important}}.bk-upload-v2{padding:72px 32px;border:2px dashed rgba(255,128,0,0.5);border-radius:22px;background:rgba(0,0,0,0.4);text-align:center;position:relative;max-width:820px;margin:0 auto;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:inset 0 0 40px rgba(255,128,0,0.08);cursor:pointer;transition:all 0.2s ease}.bk-upload-v2:hover{border-color:var(--bk-orange-500);box-shadow:inset 0 0 40px rgba(255,128,0,0.16),0 0 32px rgba(255,128,0,0.2)}.bk-upload-v2__corner{position:absolute;width:14px;height:14px;opacity:0.9}.bk-upload-v2__corner--tl{top:10px;left:10px;border-top:2px solid var(--bk-orange-500);border-left:2px solid var(--bk-orange-500)}.bk-upload-v2__corner--tr{top:10px;right:10px;border-top:2px solid var(--bk-orange-500);border-right:2px solid var(--bk-orange-500)}.bk-upload-v2__corner--bl{bottom:10px;left:10px;border-bottom:2px solid var(--bk-orange-500);border-left:2px solid var(--bk-orange-500)}.bk-upload-v2__corner--br{bottom:10px;right:10px;border-bottom:2px solid var(--bk-orange-500);border-right:2px solid var(--bk-orange-500)}.bk-upload-v2__icon{font-size:48px;color:var(--bk-orange-500);margin-bottom:14px;filter:drop-shadow(0 0 12px rgba(255,128,0,0.6))}.bk-upload-v2__title{font-family:system-ui,-apple-system,sans-serif;font-weight:700;color:var(--bk-text-primary);margin-bottom:8px;font-size:22px;letter-spacing:-0.01em}.bk-upload-v2__hint{font-family:system-ui,-apple-system,sans-serif;font-size:14px;color:var(--bk-text-muted)}.bk-steps-v2{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:1280px;margin:0 auto}@media (max-width:900px){.bk-steps-v2{grid-template-columns:1fr;gap:20px}}.bk-step-card{padding:48px 28px;background:var(--bk-glass-bg);border:1px solid var(--bk-glass-border);border-radius:18px;text-align:center;backdrop-filter:var(--bk-glass-blur);-webkit-backdrop-filter:var(--bk-glass-blur);box-shadow:0 8px 32px rgba(0,0,0,0.4)}.bk-step-card--ai{border-color:rgba(78,205,196,0.25)}.bk-step-badge{width:112px;height:112px;margin:0 auto 22px;border-radius:50%;background:radial-gradient(circle,rgba(255,128,0,0.3),rgba(255,128,0,0));border:2px solid rgba(255,128,0,0.75);display:flex;align-items:center;justify-content:center;font-family:system-ui,-apple-system,sans-serif;font-weight:900;font-size:36px;color:var(--bk-orange-400);box-shadow:0 0 32px rgba(255,128,0,0.3),inset 0 0 16px rgba(255,128,0,0.15)}.bk-step-badge--ai{background:radial-gradient(circle,rgba(78,205,196,0.3),rgba(78,205,196,0));border-color:rgba(78,205,196,0.8);color:var(--bk-teal-500);box-shadow:0 0 32px rgba(78,205,196,0.3),inset 0 0 16px rgba(78,205,196,0.15)}.bk-step-card__title{font-family:system-ui,-apple-system,sans-serif;color:var(--bk-text-primary);font-weight:800;font-size:22px;margin-bottom:12px;letter-spacing:-0.01em}.bk-step-card__desc{font-family:system-ui,-apple-system,sans-serif;color:var(--bk-text-tertiary);font-size:15px;line-height:1.55;margin:0}.bk-cta-v2{padding:48px 32px 100px;text-align:center;position:relative}.bk-cta-v2__buttons{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.bk-btn-primary{padding:18px 34px;background:var(--bk-orange-500);color:#000;border-radius:10px;font-family:system-ui,-apple-system,sans-serif;font-weight:800;font-size:16px;text-decoration:none;display:inline-block;box-shadow:0 0 22px rgba(255,128,0,0.4),inset 0 1px 0 rgba(255,255,255,0.25);border:none;cursor:pointer;transition:all 0.2s ease;letter-spacing:0.01em}.bk-btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 32px rgba(255,128,0,0.55),inset 0 1px 0 rgba(255,255,255,0.3)}.bk-btn-primary--user{background:var(--user-primary);color:var(--user-primary-fg,#fff);box-shadow:0 0 20px var(--user-primary-soft),inset 0 1px 0 rgba(255,255,255,0.22)}.bk-btn-primary--user:hover{box-shadow:0 0 28px var(--user-primary-glow),inset 0 1px 0 rgba(255,255,255,0.28)}.bk-btn-primary:focus-visible,.bk-btn-secondary:focus-visible,.bk-upload-v2:focus-visible,.bk-pair-card__download:focus-visible{outline:2px solid #fff;outline-offset:3px}.bk-btn-secondary{padding:18px 34px;background:rgba(0,0,0,0.4);color:var(--bk-teal-500);border:1px solid rgba(78,205,196,0.55);border-radius:10px;font-family:system-ui,-apple-system,sans-serif;font-weight:600;font-size:16px;text-decoration:none;display:inline-block;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 0 24px rgba(78,205,196,0.15);cursor:pointer;transition:all 0.2s ease;letter-spacing:0.01em}.bk-btn-secondary:hover{background:rgba(78,205,196,0.1)}.bk-btn-secondary--user{color:var(--user-secondary);border-color:var(--user-secondary)}.bk-progress-card{max-width:540px;margin:0 auto;padding:40px 32px;border:2px solid rgba(255,128,0,0.35);border-radius:18px;background:rgba(0,0,0,0.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 0 48px rgba(255,128,0,0.15),inset 0 0 40px rgba(255,128,0,0.05);position:relative}.bk-progress-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}.bk-progress-stage-label{font-family:system-ui,-apple-system,sans-serif;font-size:9px;color:var(--bk-teal-500);letter-spacing:0.2em;font-weight:700;margin-bottom:3px;text-align:left;display:block}.bk-progress-stage-title{font-family:system-ui,-apple-system,sans-serif;font-weight:700;color:var(--bk-text-primary);font-size:16px;text-align:left}.bk-progress-pct{font-family:monospace;font-weight:900;font-size:22px;color:var(--bk-orange-400);letter-spacing:-0.02em;text-shadow:0 0 12px rgba(255,128,0,0.5)}.bk-progress-track{width:100%;height:10px;background:rgba(0,0,0,0.6);border:1px solid rgba(255,255,255,0.08);border-radius:100px;overflow:hidden;position:relative;box-shadow:inset 0 2px 6px rgba(0,0,0,0.5)}.bk-progress-fill{height:100%;background:linear-gradient(90deg,#FF8000 0%,#F59E0B 40%,#4ECDC4 100%);border-radius:100px;position:relative;box-shadow:0 0 24px rgba(255,128,0,0.6);transition:width 0.5s ease-out;width:0%}.bk-progress-shimmer{position:absolute;right:4px;top:50%;width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 12px #fff,0 0 24px rgba(78,205,196,0.8);transform:translateY(-50%);animation:bk-shimmer-pulse 1.2s ease-in-out infinite}@keyframes bk-shimmer-pulse{0%,100%{box-shadow:0 0 12px #fff,0 0 24px rgba(78,205,196,0.8)}50%{box-shadow:0 0 18px #fff,0 0 36px rgba(255,128,0,0.9)}}.bk-progress-meta{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-family:system-ui,-apple-system,sans-serif;font-size:11px;color:var(--bk-text-muted)}.bk-progress-meta__file{display:flex;align-items:center;gap:8px}.bk-progress-meta__thumb{width:18px;height:18px;border-radius:4px;background:linear-gradient(135deg,#FF8000,#C2410C);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:9px;color:#fff}.bk-progress-meta__eta{display:flex;align-items:center;gap:4px}.bk-progress-meta__eta::before{content:"●";color:var(--bk-teal-500)}.bk-progress-stages{display:flex;gap:8px;justify-content:center;margin-top:16px;flex-wrap:wrap}.bk-progress-stages__pill{padding:5px 11px;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.15);border-radius:100px;font-family:system-ui,-apple-system,sans-serif;font-size:10px;color:#9a9a9a;font-weight:700;letter-spacing:0.08em;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.bk-progress-stages__pill--done{border-color:rgba(255,128,0,0.4);color:var(--bk-orange-400);text-decoration:line-through;opacity:0.65}.bk-progress-stages__pill--active{background:rgba(255,128,0,0.2);border-color:rgba(255,128,0,0.7);color:#fff;box-shadow:0 0 20px rgba(255,128,0,0.4)}.bk-palette-v2{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}@media (max-width:980px){.bk-palette-v2{grid-template-columns:repeat(3,1fr)}}@media (max-width:520px){.bk-palette-v2{grid-template-columns:repeat(2,1fr)}}.bk-auth-card{max-width:520px;margin:0 auto;padding:40px 44px 44px;background:var(--bk-glass-bg);border:1px solid var(--bk-glass-border);border-radius:22px;backdrop-filter:var(--bk-glass-blur);-webkit-backdrop-filter:var(--bk-glass-blur);box-shadow:0 20px 60px rgba(0,0,0,0.55)}.bk-auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:5px;margin-bottom:32px;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.08);border-radius:100px}.bk-auth-tab{padding:11px 18px;background:transparent;border:none;border-radius:100px;color:var(--bk-text-muted,#aaa);font-family:system-ui,-apple-system,sans-serif;font-size:14px;font-weight:700;letter-spacing:0.08em;cursor:pointer;transition:background 0.15s ease,color 0.15s ease}.bk-auth-tab[aria-selected="true"]{background:var(--bk-orange-500);color:#1a1a1a;box-shadow:0 4px 14px color-mix(in srgb,var(--bk-orange-500) 45%,transparent)}.bk-auth-tab:focus-visible{outline:2px solid var(--bk-orange-500);outline-offset:3px}.bk-auth-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.bk-auth-field > label{font-family:system-ui,-apple-system,sans-serif;font-size:11px;font-weight:700;letter-spacing:0.24em;color:var(--bk-text-secondary,#ccc);text-transform:uppercase}.bk-auth-input{width:100%;padding:14px 16px;background:rgba(0,0,0,0.55);border:1px solid rgba(255,255,255,0.14);border-radius:10px;color:#fff;font-family:system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.4;transition:border-color 0.15s ease,box-shadow 0.15s ease}.bk-auth-input:focus{outline:none;border-color:var(--bk-orange-500);box-shadow:0 0 0 3px color-mix(in srgb,var(--bk-orange-500) 25%,transparent)}.bk-auth-input::placeholder{color:#777}.bk-auth-submit{width:100%;padding:16px 24px;margin-top:10px;background:var(--bk-orange-500);color:#1a1a1a;border:none;border-radius:12px;font-family:system-ui,-apple-system,sans-serif;font-size:16px;font-weight:800;letter-spacing:0.02em;cursor:pointer;transition:transform 0.12s ease,box-shadow 0.15s ease,background 0.15s ease;box-shadow:0 10px 32px color-mix(in srgb,var(--bk-orange-500) 40%,transparent)}.bk-auth-submit:hover:not(:disabled){transform:translateY(-1px);background:color-mix(in srgb,var(--bk-orange-500),white 8%)}.bk-auth-submit:disabled{opacity:0.6;cursor:not-allowed}.bk-auth-submit:focus-visible{outline:3px solid #fff;outline-offset:3px}.bk-auth-error{margin-top:14px;padding:12px 14px;background:rgba(239,68,68,0.12);border:1px solid rgba(239,68,68,0.45);border-radius:10px;color:#fca5a5;font-family:system-ui,-apple-system,sans-serif;font-size:13px;line-height:1.5}.bk-auth-success{margin-top:18px;padding:14px 16px;background:color-mix(in srgb,var(--bk-teal-500) 12%,transparent);border:1px solid color-mix(in srgb,var(--bk-teal-500) 45%,transparent);border-radius:10px;color:#d7fbf6;font-family:system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5}.bk-auth-hint{font-family:system-ui,-apple-system,sans-serif;font-size:12px;color:var(--bk-text-muted,#888);line-height:1.5;margin-top:-10px;margin-bottom:18px}.bk-auth-magic{max-width:520px;margin:32px auto 0;padding:28px 32px;background:rgba(0,0,0,0.4);border:1px dashed rgba(255,255,255,0.18);border-radius:18px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.bk-auth-magic__label{font-family:system-ui,-apple-system,sans-serif;font-size:11px;font-weight:700;letter-spacing:0.28em;color:var(--bk-teal-500);text-transform:uppercase;margin-bottom:10px}.bk-auth-magic__title{font-family:system-ui,-apple-system,sans-serif;font-weight:800;font-size:18px;color:#fff;margin-bottom:4px}.bk-auth-magic__desc{font-family:system-ui,-apple-system,sans-serif;font-size:13px;color:var(--bk-text-muted,#aaa);line-height:1.55;margin-bottom:18px}.bk-auth-magic__row{display:flex;gap:10px;flex-wrap:wrap}.bk-auth-magic__row .bk-auth-input{flex:1;min-width:220px}.bk-auth-magic__row .bk-auth-submit{width:auto;margin-top:0;padding:14px 20px;font-size:14px;background:transparent;color:var(--bk-teal-500);border:1px solid var(--bk-teal-500);box-shadow:none}.bk-auth-magic__row .bk-auth-submit:hover:not(:disabled){background:color-mix(in srgb,var(--bk-teal-500) 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var(--ease-base),border-color var(--ease-base),box-shadow var(--ease-base);background:transparent;position:relative;user-select:none}.bk-upload-zone::before,.bk-upload-zone::after{content:'';position:absolute;width:22px;height:22px;border:2px solid var(--orange);opacity:0.45;transition:opacity var(--ease-base),transform var(--ease-base);pointer-events:none}.bk-upload-zone::before{top:-6px;left:-6px;border-right:none;border-bottom:none;border-top-left-radius:var(--radius-xl)}.bk-upload-zone::after{bottom:-6px;right:-6px;border-left:none;border-top:none;border-bottom-right-radius:var(--radius-xl)}.bk-upload-zone:hover::before{opacity:1;transform:translate(-2px,-2px)}.bk-upload-zone:hover::after{opacity:1;transform:translate(2px,2px)}.bk-upload-zone:hover{background:var(--orange-dim);box-shadow:var(--shadow-glow);border-color:var(--orange)}.bk-upload-zone.drag-over{background:var(--orange-dim);box-shadow:0 0 0 4px var(--orange-glow),var(--shadow-glow);border-color:var(--orange);transform:scale(1.01)}.bk-upload-icon{display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:var(--orange-dim);margin:0 auto var(--space-lg);color:var(--orange)}.bk-upload-zone h2{font-family:var(--font-serif);font-size:clamp(1.4rem,2.5vw,2rem);font-weight:400;color:var(--cream);margin-bottom:var(--space-sm)}.bk-upload-zone p{font-family:var(--font-mono);font-size:0.9rem;color:var(--text-muted);margin-bottom:0}.bk-upload-zone .bk-upload-hint{font-size:0.8rem;margin-top:var(--space-sm);color:var(--text-muted);opacity:0.7}.bk-progress{text-align:center;padding:var(--space-4xl) var(--space-xl)}.spinner{display:inline-block;width:52px;height:52px;margin-bottom:var(--space-lg)}.spinner svg{animation:spin 1s linear infinite}.spinner circle{stroke:var(--orange);stroke-linecap:round;animation:dash 1.5s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes dash{0%{stroke-dasharray:1,150;stroke-dashoffset:0}50%{stroke-dasharray:90,150;stroke-dashoffset:-35}100%{stroke-dasharray:90,150;stroke-dashoffset:-124}}#progress-text{font-family:var(--font-mono);font-size:1rem;color:var(--text-muted);min-height:1.5em}.bk-error{text-align:center;padding:var(--space-3xl) var(--space-xl)}.bk-error-icon{font-size:2.5rem;margin-bottom:var(--space-md);color:#FF4444}#error-text{font-family:var(--font-mono);font-size:1rem;color:#FF6666;margin-bottom:var(--space-xl)}.bk-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);font-family:var(--font-mono);font-size:0.9rem;font-weight:400;letter-spacing:0.06em;text-transform:uppercase;padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);text-decoration:none;cursor:pointer;border:2px solid transparent;transition:background var(--ease-base),color var(--ease-base),border-color var(--ease-base),box-shadow var(--ease-base),transform var(--ease-fast)}.bk-btn:active{transform:scale(0.97)}.bk-btn--primary{background:var(--orange);color:var(--navy-deep);border-color:var(--orange)}.bk-btn--primary:hover{background:#FF9A2E;border-color:#FF9A2E;box-shadow:var(--shadow-glow)}.bk-btn--secondary{background:transparent;color:var(--cream);border-color:rgba(245,245,232,0.3)}.bk-btn--secondary:hover{border-color:var(--cream);background:rgba(245,245,232,0.06)}.bk-palette{display:flex;flex-wrap:wrap;gap:var(--space-sm);align-items:center}.bk-swatch{width:48px;height:48px;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-shrink:0;position:relative;transition:transform var(--ease-fast)}.bk-swatch:hover{transform:scale(1.1);z-index:1}.bk-swatch--locked{filter:blur(4px);pointer-events:none;opacity:0.6}.bk-font-pair{background:var(--navy-light);border:1px solid rgba(245,245,232,0.08);border-radius:var(--radius-lg);padding:var(--space-xl);transition:box-shadow var(--ease-base)}.bk-font-pair:hover{box-shadow:var(--shadow-md)}.bk-font-pair__heading{font-family:var(--font-serif);font-size:2rem;font-weight:700;color:var(--cream);margin-bottom:var(--space-xs)}.bk-font-pair__body{font-family:var(--font-mono);font-size:0.9rem;color:var(--text-muted);line-height:1.6}.bk-font-pair__label{font-family:var(--font-mono);font-size:0.75rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--orange);margin-top:var(--space-md)}.bk-cta{background:linear-gradient(135deg,var(--navy-deep) 0%,var(--navy-light) 60%,rgba(255,128,0,0.15) 100%);border-radius:var(--radius-xl);padding:var(--space-4xl) var(--space-2xl);text-align:center;position:relative;overflow:hidden}.bk-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 50%,var(--orange-glow) 0%,transparent 65%);pointer-events:none}.bk-cta h2{font-family:var(--font-serif);font-size:clamp(1.8rem,3.5vw,3rem);color:var(--cream);margin-bottom:var(--space-md);position:relative}.bk-cta p{font-family:var(--font-mono);color:var(--text-muted);max-width:480px;margin:0 auto var(--space-xl);position:relative}.bk-cta .bk-actions{display:flex;gap:var(--space-md);justify-content:center;flex-wrap:wrap;position:relative}.bk-kit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-xl)}.bk-template-card{background:var(--navy-light);border:1px solid rgba(245,245,232,0.08);border-radius:var(--radius-lg);overflow:hidden;transition:transform var(--ease-base),box-shadow var(--ease-base);cursor:pointer}.bk-template-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.bk-template-card__preview{aspect-ratio:16 / 10;background:var(--navy-deep);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:0.85rem;font-family:var(--font-mono)}.bk-template-card__body{padding:var(--space-lg)}.bk-template-card__title{font-family:var(--font-serif);font-size:1.1rem;color:var(--cream);margin-bottom:var(--space-xs)}.bk-template-card__meta{font-family:var(--font-mono);font-size:0.8rem;color:var(--text-muted)}.bk-download-bar{position:fixed;bottom:24px;right:24px;left:auto;z-index:100;display:flex;flex-direction:column;align-items:flex-end;gap:10px;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;border:0;padding:0;box-shadow:none;pointer-events:none}.bk-download-bar__label{font-family:system-ui,-apple-system,sans-serif;font-size:14px;color:#fff;font-weight:600;opacity:0.5;text-shadow:0 1px 4px rgba(0,0,0,0.75);display:inline-flex;align-items:center;gap:8px;pointer-events:auto}.bk-download-bar__arrow{display:inline-block;color:var(--user-primary,#FF8000);animation:bk-download-arrow-bounce 1.2s ease-in-out infinite}.bk-download-bar__arrow:last-child{animation-delay:0.18s}@keyframes bk-download-arrow-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}@media (prefers-reduced-motion:reduce){.bk-download-bar__arrow{animation:none}}.bk-download-bar__actions{display:flex;gap:10px;flex-wrap:wrap;pointer-events:auto}.bk-login{max-width:400px;margin:0 auto;padding:var(--space-3xl) var(--space-xl);text-align:center}.bk-login h2{font-family:var(--font-serif);font-size:2rem;color:var(--cream);margin-bottom:var(--space-sm)}.bk-login p{font-family:var(--font-mono);color:var(--text-muted);margin-bottom:var(--space-xl)}.bk-input{display:block;width:100%;font-family:var(--font-mono);font-size:1rem;color:var(--cream);background:var(--navy-light);border:1px solid rgba(245,245,232,0.15);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);outline:none;transition:border-color var(--ease-base),box-shadow var(--ease-base);margin-bottom:var(--space-md)}.bk-input::placeholder{color:var(--text-muted);opacity:0.7}.bk-input:focus{border-color:var(--orange);box-shadow:0 0 0 3px var(--orange-glow)}.bk-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-2xl);margin-top:var(--space-2xl);position:relative}.bk-step{text-align:center;position:relative;z-index:1}.bk-step__num{font-family:var(--font-serif);font-size:2rem;color:var(--orange);margin:0 auto var(--space-md);width:76px;height:76px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--orange-dim);border:2px solid rgba(255,128,0,0.35);transition:transform var(--ease-base),box-shadow var(--ease-base),background var(--ease-base)}.bk-step:hover .bk-step__num{transform:translateY(-4px);background:rgba(255,128,0,0.18);box-shadow:0 8px 28px rgba(255,128,0,0.28)}.bk-step h3{font-size:1.2rem;margin-bottom:var(--space-sm);color:var(--cream)}.bk-step p{color:var(--text-muted);font-size:0.9rem;line-height:1.6}@media (min-width:800px){.bk-steps::before{content:'';position:absolute;top:38px;left:18%;right:18%;border-top:1px dashed rgba(255,128,0,0.3);z-index:0}}.bk-section{padding:var(--space-4xl) 0}.bk-section--sm{padding:var(--space-2xl) 0}.bk-divider{border:none;border-top:1px solid rgba(245,245,232,0.08);margin:var(--space-3xl) 0}.bk-overline{font-family:var(--font-mono);font-size:0.85rem;text-transform:uppercase;letter-spacing:0.18em;color:var(--orange);margin-bottom:var(--space-sm)}@media (max-width:768px){.bk-container,.bk-container--wide{padding:0 var(--space-lg)}.bk-hero{padding:var(--space-4xl) 0 var(--space-3xl)}.bk-hero h1{font-size:clamp(2.2rem,8vw,3.5rem)}.bk-upload-zone{padding:var(--space-3xl) var(--space-lg)}.bk-kit-grid{grid-template-columns:1fr}.bk-download-bar{bottom:16px;right:16px;align-items:flex-end;text-align:right}.bk-download-bar__actions{justify-content:flex-end}.bk-cta{padding:var(--space-3xl) var(--space-lg)}.bk-cta .bk-actions{flex-direction:column;align-items:center}.bk-btn{width:100%;max-width:320px}}@media (prefers-reduced-motion:reduce){.bk-hero__orb{animation:none}.bk-hero-badge__dot{animation:none}.spinner svg,.spinner circle{animation-duration:0.01ms !important;animation-iteration-count:1 !important}}