:root{--ink:#0a0e1a;--ink-2:#111726;--ink-3:#1a2138;--surface:#ffffff;--surface-2:#f8f9fb;--surface-3:#eef1f6;--border:#e2e6ee;--text:#1a1f2e;--text-2:#5a6478;--text-3:#8892a6;--accent:#e85d2f;--accent-hover:#d44d20;--accent-light:#fef0eb;--success:#1a8870;--error:#c93a3a;--shadow-sm:0 1px 2px rgba(10,14,26,0.04);--shadow-md:0 4px 12px rgba(10,14,26,0.06);--shadow-lg:0 12px 32px rgba(10,14,26,0.08);--radius:10px;--radius-lg:16px;--maxw:1120px;--font-head:'Sora',system-ui,-apple-system,sans-serif;--font-body:'Inter',system-ui,-apple-system,sans-serif}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{font-family:var(--font-body);color:var(--text);background:var(--surface);line-height:1.6;font-size:16px}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color 0.3s,box-shadow 0.3s}.nav.scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-sm)}.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:8px;text-decoration:none;font-family:var(--font-head);font-weight:700;font-size:18px;color:var(--ink)}.nav-logo-mark{width:32px;height:32px;background:var(--ink);color:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}.nav-links{display:flex;gap:32px}.nav-links a{text-decoration:none;color:var(--text-2);font-size:15px;font-weight:500;transition:color 0.2s}.nav-links a:hover{color:var(--ink)}.nav-cta{text-decoration:none;background:var(--ink);color:white;padding:8px 18px;border-radius:8px;font-size:14px;font-weight:600;transition:background 0.2s}.nav-cta:hover{background:var(--ink-3)}.skip-link{position:absolute;top:-60px;left:16px;z-index:200;background:var(--ink);color:white;padding:12px 20px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;transition:top 0.2s}.skip-link:focus{top:12px}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:none;cursor:pointer;padding:0}.nav-toggle-bar{display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;transition:transform 0.25s,opacity 0.25s}.nav.nav-open .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav.nav-open .nav-toggle-bar:nth-child(2){opacity:0}.nav.nav-open .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.form-optional{font-weight:400;color:var(--text-3);font-size:13px}.hero{position:relative;padding:140px 0 100px;overflow:hidden;background:var(--surface)}.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse 800px 400px at 80% 20%,rgba(232,93,47,0.04),transparent),radial-gradient(ellipse 600px 300px at 20% 80%,rgba(10,14,26,0.02),transparent);pointer-events:none}.hero-content{position:relative;display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:start}.hero-left{max-width:640px}.hero-eyebrow{font-size:14px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:16px}.hero-title{font-family:var(--font-head);font-size:clamp(36px,5vw,56px);font-weight:700;line-height:1.1;letter-spacing:-0.02em;color:var(--ink);margin-bottom:24px}.hero-sub{font-size:19px;color:var(--text-2);max-width:560px;margin-bottom:32px;line-height:1.6}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}.hero-blog-link{display:inline-block;margin-left:8px;color:var(--text-3);font-size:14px;text-decoration:none;transition:color 0.2s}.hero-blog-link:hover{color:var(--accent)}.hero-trust{display:flex;flex-direction:column;gap:0;padding-top:12px}.hero-trust-item{padding:24px 0;border-bottom:1px solid var(--border);display:flex;align-items:baseline;gap:16px}.hero-trust-item:first-child{border-top:1px solid var(--border)}.hero-trust-number{font-family:var(--font-head);font-size:42px;font-weight:700;color:var(--ink);line-height:1;flex-shrink:0;min-width:140px}.hero-trust-label{font-size:15px;color:var(--text-2);line-height:1.4}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:8px;font-family:var(--font-body);font-size:15px;font-weight:600;text-decoration:none;border:none;cursor:pointer;transition:all 0.2s}.btn-primary{background:var(--accent);color:white}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(232,93,47,0.3)}.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--border)}.btn-ghost:hover{background:var(--surface-2);border-color:var(--text-3)}.btn-full{width:100%}.section-head{max-width:680px;margin-bottom:56px}.section-head--center{text-align:center;margin-left:auto;margin-right:auto}.eyebrow{font-size:13px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:12px}.section-title{font-family:var(--font-head);font-size:clamp(28px,3.5vw,40px);font-weight:700;line-height:1.15;letter-spacing:-0.01em;color:var(--ink);margin-bottom:16px}.section-lede{font-size:18px;color:var(--text-2);line-height:1.6}.testimonials{padding:80px 0;background:var(--surface-2)}.testimonials .section-head{text-align:center;margin-left:auto;margin-right:auto;margin-bottom:48px}.stars-row{font-size:28px;letter-spacing:4px;margin-top:12px;color:#fbbf24}.testimonial-stack{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:40px}.testimonial-item{border-left:3px solid var(--accent);padding-left:32px}.testimonial-quote{font-size:20px;line-height:1.6;color:var(--text);font-style:normal}.testimonial-item .testimonial-meta{margin-top:16px;color:var(--text-2);font-size:14px}.testimonial-item .testimonial-meta .stars-inline{color:#fbbf24;letter-spacing:2px}.testimonial-endorse{font-size:15px;color:var(--text-2);line-height:1.8;padding-left:32px;border-left:3px solid var(--border)}.testimonial-endorse-label{margin-top:12px;font-size:14px;color:var(--text-3)}.services{padding:80px 0}.services-grid{display:flex;flex-direction:column;gap:0}.service-featured{padding:48px 0;border-bottom:1px solid var(--border);display:flex;align-items:baseline;gap:24px}.service-featured .service-num{font-family:var(--font-head);font-size:14px;font-weight:600;color:var(--accent);flex-shrink:0;width:32px}.service-featured .service-body{flex:1}.service-featured .service-body h3{font-family:var(--font-head);font-size:28px;font-weight:600;color:var(--ink);margin-bottom:12px;line-height:1.2}.service-featured .service-body p{color:var(--text-2);font-size:17px;line-height:1.7;max-width:700px}.services-rest{display:grid;grid-template-columns:1fr 1fr;gap:0}.service-item{padding:40px 0;border-bottom:1px solid var(--border)}.service-item:nth-child(odd){padding-right:32px}.service-item:nth-child(even){padding-left:32px;border-left:1px solid var(--border)}.service-item .service-num{font-family:var(--font-head);font-size:14px;font-weight:600;color:var(--accent);margin-bottom:12px}.service-item h3{font-family:var(--font-head);font-size:20px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.3}.service-item p{color:var(--text-2);font-size:15px;line-height:1.7}.scenarios{padding:64px 0;background:var(--surface-2)}.ledger{max-width:860px}.ledger-row{display:flex;gap:32px;padding:28px 0;border-bottom:1px solid var(--border);align-items:flex-start}.ledger-row:first-child{border-top:1px solid var(--border)}.ledger-num{font-family:var(--font-head);font-size:32px;font-weight:700;color:var(--ink);line-height:1;flex-shrink:0;width:52px;opacity:0.15}.ledger-body{flex:1}.ledger-body h3{font-family:var(--font-head);font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.3}.ledger-body p{color:var(--text-2);font-size:15px;line-height:1.7}.work{padding:120px 0;background:var(--ink);color:white}.work .eyebrow{color:var(--accent)}.work .section-title{color:white}.work .section-lede{color:rgba(255,255,255,0.6)}.work-list{display:flex;flex-direction:column;gap:0}.work-item{display:flex;gap:32px;padding:36px 0;border-bottom:1px solid rgba(255,255,255,0.08)}.work-item:last-child{border-bottom:none}.work-num{font-family:var(--font-head);font-size:15px;font-weight:600;color:var(--accent);flex-shrink:0;width:40px}.work-body{flex:1}.work-body h3{font-family:var(--font-head);font-size:22px;font-weight:600;margin-bottom:8px}.work-tag{font-size:13px;color:rgba(255,255,255,0.4);margin-bottom:12px}.work-body p{color:rgba(255,255,255,0.7);font-size:16px;line-height:1.7}.why{padding:80px 0}.why-prose{max-width:680px}.why-point{margin-bottom:36px}.why-point:last-child{margin-bottom:0}.why-point .why-num{font-family:var(--font-head);font-size:13px;font-weight:600;color:var(--accent);margin-bottom:8px;letter-spacing:0.04em}.why-point h3{font-family:var(--font-head);font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.3}.why-point p{color:var(--text-2);font-size:16px;line-height:1.7}.technologies{padding:48px 0;background:var(--surface-2)}.technologies .section-head{margin-bottom:32px}.tech-band{display:flex;flex-wrap:wrap;gap:0}.tech-column{flex:1 1 calc(16.66% - 1px);min-width:160px;padding:0 24px;border-right:1px solid var(--border)}.tech-column:first-child{padding-left:0}.tech-column:last-child{border-right:none;padding-right:0}.tech-column h3{font-family:var(--font-head);font-size:13px;font-weight:600;color:var(--ink);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:12px}.tech-column ul{list-style:none;padding:0}.tech-column li{font-size:14px;color:var(--text-2);padding:4px 0;line-height:1.5}.certifications{padding:32px 0;border-bottom:1px solid var(--border)}.cert-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.cert-badge{font-size:14px;color:var(--text-2);padding:6px 16px;border:1px solid var(--border);border-radius:100px;white-space:nowrap}.cert-badge strong{color:var(--ink);font-weight:600}.cert-divider{width:1px;height:24px;background:var(--border)}.cert-publication{font-size:14px;color:var(--text-2);margin-left:auto}.cert-publication em{font-style:italic}.faq{padding:80px 0;background:var(--surface-2)}.faq-list{max-width:760px;margin:0 auto}.faq-item{border-bottom:1px solid var(--border);padding:0}.faq-item summary{font-family:var(--font-head);font-size:17px;font-weight:500;color:var(--ink);padding:20px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}.faq-item summary::after{content:'+';font-size:24px;color:var(--accent);font-weight:300;transition:transform 0.2s}.faq-item[open] summary::after{transform:rotate(45deg)}.faq-item summary::-webkit-details-marker{display:none}.faq-item p{padding:0 0 20px;color:var(--text-2);font-size:15px;line-height:1.7}.about{padding:80px 0}.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:start}.about-text p{color:var(--text-2);font-size:16px;margin-bottom:16px;line-height:1.8}.about-links{display:flex;gap:24px;margin-top:24px}.about-links a{color:var(--accent);text-decoration:none;font-weight:600;font-size:15px}.about-links a:hover{text-decoration:underline}.about-aside{display:flex;flex-direction:column;gap:0}.credential-box{padding:20px 0;border-bottom:1px solid var(--border)}.credential-box:first-child{border-top:1px solid var(--border)}.credential-label{font-size:12px;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-3);margin-bottom:4px}.credential-value{font-family:var(--font-head);font-size:20px;font-weight:600;color:var(--ink)}.credential-note{font-size:13px;color:var(--text-2);margin-top:4px}.contact{padding:100px 0;background:var(--ink);color:white}.contact .eyebrow{color:var(--accent)}.contact .section-title{color:white}.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:start}.contact-lede{color:rgba(255,255,255,0.7);font-size:17px;margin-bottom:32px}.contact-meta a{color:var(--accent);text-decoration:none;font-weight:600;font-size:18px}.contact-note{color:rgba(255,255,255,0.4);font-size:14px;margin-top:8px}.contact-form{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-lg);padding:32px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.form-field{margin-bottom:16px}.form-field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,0.7);margin-bottom:6px}.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 14px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:8px;color:white;font-family:var(--font-body);font-size:15px;transition:border-color 0.2s}.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(255,255,255,0.3)}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--accent)}.form-field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238892a6' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.form-field select option{background:var(--ink);color:white}.form-error{display:block;font-size:13px;color:var(--error);margin-top:4px}.hp{position:absolute;left:-9999px;opacity:0;pointer-events:none}.g-recaptcha{margin-bottom:1rem;margin-top:0.5rem}.btn-primary{background:var(--accent);color:white;border:none;cursor:pointer}.form-success{color:#4ade80;font-size:15px;margin-top:16px;text-align:center}.form-error-msg{color:var(--error);font-size:15px;margin-top:16px;text-align:center}.footer{background:var(--ink);border-top:1px solid rgba(255,255,255,0.06);padding:48px 0 32px}.footer-inner{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.footer-logo{font-family:var(--font-head);font-weight:700;font-size:18px;color:white}.footer-tag{font-size:14px;color:rgba(255,255,255,0.4);margin-top:4px}.footer-right{display:flex;gap:24px}.footer-right a{color:rgba(255,255,255,0.6);text-decoration:none;font-size:14px;font-weight:500}.footer-right a:hover{color:white}.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding-top:24px}.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.3)}@media (max-width:900px){.nav-toggle{display:flex}.nav-links{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--surface);flex-direction:column;gap:0;padding:8px 24px 40px;box-shadow:var(--shadow-lg);overflow-y:auto}.nav.nav-open .nav-links{display:flex}.nav-links a{padding:16px 0;font-size:18px;border-bottom:1px solid var(--border)}.nav-cta{padding:6px 14px;font-size:13px}.hero-content{grid-template-columns:1fr;gap:48px}.hero{padding:120px 0 60px}.hero-trust{display:grid;grid-template-columns:1fr 1fr;gap:0}.hero-trust-item{padding:16px 0;border-bottom:1px solid var(--border)}.hero-trust-item:nth-child(2n+1){padding-right:24px;border-right:1px solid var(--border)}.hero-trust-item:nth-child(2n){padding-left:24px}.hero-trust-number{font-size:32px;min-width:auto}.services-rest{grid-template-columns:1fr}.service-item:nth-child(odd){padding-right:0}.service-item:nth-child(even){padding-left:0;border-left:none}.service-featured{flex-direction:column;gap:8px}.ledger-num{width:40px;font-size:24px}.tech-column{flex:1 1 calc(33.33% - 1px);min-width:140px}.about-grid{grid-template-columns:1fr;gap:40px}.contact-grid{grid-template-columns:1fr;gap:40px}.form-row{grid-template-columns:1fr}.work-item{gap:16px}.services,.scenarios,.work,.why,.technologies,.faq,.about,.contact{padding:64px 0}.testimonials{padding:64px 0}.certifications{padding:24px 0}}@media (max-width:600px){.hero-title{font-size:32px}.hero-trust{grid-template-columns:1fr 1fr}.hero-trust-number{font-size:28px}.tech-column{flex:1 1 calc(50% - 1px)}.tech-column:nth-child(3){border-top:1px solid var(--border);padding-top:16px;margin-top:16px}.contact-form{padding:20px}.cert-row{flex-direction:column;gap:8px}.cert-divider{display:none}.cert-publication{margin-left:0}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms !important;transition-duration:0.01ms !important}html{scroll-behavior:auto}}