@layer reset,tokens,base,components,layout,responsive; @layer reset{*,::after,::before{box-sizing:border-box;margin:0;padding:0}}@layer tokens{:root{--color-bg:#08090a;--color-surface-1:#0f1012;--color-surface-2:#161719;--color-surface-3:#1e1f22;--color-border:rgba(255, 255, 255, 0.06);--color-border-hover:rgba(96, 165, 250, 0.35);--color-text:#f5f5f5;--color-text-secondary:#d4d4d4;--color-text-muted:#a1a1aa;--color-accent-blue:#60a5fa;--color-accent-purple:#a78bfa;--color-accent-green:#34d399;--color-success:#34d399;--color-error:#f87171;--color-warning:#fbbf24;--color-primary:#60a5fa;--color-primary-hover:#93c5fd;--color-surface:var(--color-surface-1);--font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--radius:12px;--radius-sm:8px;--radius-lg:16px;--shadow:0 1px 3px rgba(0, 0, 0, 0.3);--shadow-lg:0 8px 40px rgba(0, 0, 0, 0.4);--ease-out:cubic-bezier(0.16, 1, 0.3, 1)}}@layer base{@font-face{font-family:Inter;font-style:normal;font-weight:400 700;font-display:swap;src:url('/fonts/inter-latin.woff2') format('woff2');unicode-range:U+0000-00FF}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:var(--color-accent-blue);text-decoration:none}a:hover{color:var(--color-accent-purple)}}@layer components{.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}.container--narrow{max-width:720px}.glass-card{background:var(--color-surface-1);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem 1.5rem;transition:border-color .3s ease,box-shadow .3s ease}.glass-card:hover{border-color:var(--color-border-hover);box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 1px rgba(96,165,250,.2)}.card{background:var(--color-surface-1);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:2rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 2rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all .25s ease;text-decoration:none;line-height:1}.btn:active{transform:scale(.98)}.btn--primary{color:var(--color-bg);background:linear-gradient(135deg,var(--color-accent-blue),var(--color-accent-purple));background-size:200% 200%;box-shadow:0 0 24px rgba(96,165,250,.25),0 4px 16px rgba(0,0,0,.3);animation:gradientShift 4s ease infinite}.btn--primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 40px rgba(96,165,250,.4),0 12px 32px rgba(0,0,0,.4)}.btn--outline{background:0 0;color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius)}.btn--outline:hover{border-color:var(--color-accent-blue);color:var(--color-accent-blue)}.btn--success{background:var(--color-success);color:var(--color-bg)}.btn--success:hover{background:#6ee7b7}.btn:disabled{opacity:.5;cursor:not-allowed}.section-eyebrow{font-size:.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-accent-blue);margin-bottom:.75rem}.section-title{font-size:clamp(1.75rem, 4.5vw, 2.5rem);font-weight:700;letter-spacing:-.03em;line-height:1.15;background:linear-gradient(135deg,var(--color-text) 0,var(--color-text-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-subtitle{font-size:clamp(.9375rem, 1.5vw, 1.0625rem);color:var(--color-text-muted);line-height:1.75;max-width:560px}.step-number{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;color:var(--color-bg);background:linear-gradient(135deg,var(--color-accent-blue),var(--color-accent-purple));border-radius:50%;box-shadow:0 0 20px rgba(96,165,250,.2);flex-shrink:0}.trust-badge{display:inline-flex;align-items:center;gap:.5rem;font-size:.8125rem;font-weight:600;padding:.375rem .875rem;border-radius:20px;white-space:nowrap;background:rgba(96,165,250,.1);color:var(--color-accent-blue);border:1px solid rgba(96,165,250,.15)}.trust-badge--green{background:rgba(52,211,153,.1);color:var(--color-accent-green);border-color:rgba(52,211,153,.15)}.badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge--sent{background:rgba(96,165,250,.15);color:var(--color-accent-blue)}.badge--viewed{background:rgba(251,191,36,.15);color:var(--color-warning)}.badge--signed{background:rgba(52,211,153,.15);color:var(--color-success)}.badge--completed{background:rgba(52,211,153,.15);color:var(--color-success)}.badge--voided{background:rgba(248,113,113,.15);color:var(--color-error)}.badge--expired{background:rgba(161,161,170,.15);color:var(--color-text-muted)}.alert{padding:1rem 1.25rem;border-radius:var(--radius-sm);font-size:.875rem;margin-bottom:1.25rem}.alert--error{background:rgba(248,113,113,.1);color:var(--color-error);border:1px solid rgba(248,113,113,.2)}.alert--success{background:rgba(52,211,153,.1);color:var(--color-success);border:1px solid rgba(52,211,153,.2)}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-weight:600;margin-bottom:.375rem;font-size:.875rem;color:var(--color-text)}.form-group input[type=email],.form-group input[type=text],.form-group textarea{width:100%;padding:.625rem .875rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:1rem;font-family:var(--font-sans);background:var(--color-surface-2);color:var(--color-text);transition:border-color .15s}.form-group input:focus,.form-group textarea:focus{outline:0;border-color:var(--color-accent-blue);box-shadow:0 0 0 3px rgba(96,165,250,.15)}.checkbox-group{display:flex;align-items:flex-start;gap:.625rem;margin:1.25rem 0}.checkbox-group input[type=checkbox]{width:20px;height:20px;margin-top:2px;flex-shrink:0;accent-color:var(--color-accent-blue)}.signature-pad{border:2px dashed var(--color-border);border-radius:var(--radius);background:var(--color-surface-2);cursor:crosshair;touch-action:none}.signature-pad--active{border-color:var(--color-accent-blue)}.tabs{display:flex;gap:0;border-bottom:2px solid var(--color-border);margin-bottom:1.5rem}.tab{padding:.625rem 1.25rem;font-size:.875rem;font-weight:600;cursor:pointer;border:none;background:0 0;color:var(--color-text-muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s}.tab--active{color:var(--color-accent-blue);border-bottom-color:var(--color-accent-blue)}.code-block{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius);overflow-x:auto;padding:1.5rem}.code-block pre{margin:0;font-size:.875rem;line-height:1.7;color:var(--color-text-secondary);font-family:'SF Mono','Fira Code','Cascadia Code',Consolas,monospace}.code-block .code-keyword{color:var(--color-accent-purple)}.code-block .code-string{color:var(--color-accent-green)}.code-block .code-key{color:var(--color-accent-blue)}}@layer layout{body.has-page-bg::before{content:'';position:fixed;inset:0;z-index:-2;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(96,165,250,.1),transparent 70%),radial-gradient(ellipse 60% 40% at 80% 60%,rgba(167,139,250,.06),transparent 60%),radial-gradient(ellipse 50% 30% at 20% 80%,rgba(96,165,250,.04),transparent 50%);animation:ambientShift 20s ease-in-out infinite;pointer-events:none}.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:.875rem 1.5rem;border-bottom:1px solid transparent;transition:all .3s ease}.nav.scrolled{background:rgba(8,9,10,.85);backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);border-bottom-color:var(--color-border)}.nav__inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.nav__logo{color:var(--color-text);font-size:1.25rem;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:.375rem}.nav__logo-icon{flex-shrink:0}.nav__logo span{color:var(--color-accent-blue)}.nav__links{display:flex;align-items:center;gap:1.5rem;list-style:none}.nav__link{color:var(--color-text-muted);font-size:.875rem;font-weight:500;text-decoration:none;transition:color .2s}.nav__link:hover{color:var(--color-text)}.header{background:var(--color-surface-1);padding:1rem 0;border-bottom:1px solid var(--color-border)}.header__inner{display:flex;align-items:center;justify-content:space-between}.header__logo{color:var(--color-text);font-size:1.25rem;font-weight:700;text-decoration:none}.header__logo span{color:var(--color-accent-blue)}.section{padding:clamp(4rem,8vw,7.5rem) 1.5rem}.section--hero{min-height:min(100vh,800px);min-height:min(100dvh,800px);display:flex;align-items:center;justify-content:center;text-align:center;padding-top:6rem;padding-bottom:4rem}.hero__content{max-width:700px;margin:0 auto}.hero__title{font-size:clamp(2.5rem, 7vw, 4rem);font-weight:700;line-height:1.1;letter-spacing:-.04em;margin-bottom:1.25rem;background:linear-gradient(135deg,#fff 0,var(--color-text-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero__subtitle{font-size:clamp(1rem, 2vw, 1.1875rem);color:var(--color-text-muted);line-height:1.7;margin-bottom:2.5rem;max-width:540px;margin-left:auto;margin-right:auto}.hero__cta{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap;margin-bottom:3rem}.hero__trust{display:flex;align-items:center;justify-content:center;gap:.75rem;flex-wrap:wrap}.trust-bar{display:flex;align-items:center;justify-content:center;gap:2rem;flex-wrap:wrap;padding:1.5rem 0;border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.trust-bar__item{font-size:.8125rem;color:var(--color-text-muted);font-weight:500;display:flex;align-items:center;gap:.5rem}.trust-bar__icon{font-size:1rem;color:var(--color-accent-blue)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.feature-card{padding:2rem 1.5rem;text-align:left}.feature-card__icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;background:rgba(96,165,250,.1);border-radius:var(--radius);margin-bottom:1.25rem}.feature-card__title{font-size:1.125rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.5rem;color:var(--color-text)}.feature-card__desc{font-size:.9375rem;color:var(--color-text-muted);line-height:1.65}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.step-card{padding:2rem 1.5rem;text-align:center;display:flex;flex-direction:column;align-items:center}.step-card .step-number{margin-bottom:1.25rem}.step-card__title{font-size:1.125rem;font-weight:700;margin-bottom:.5rem;color:var(--color-text)}.step-card__desc{font-size:.9375rem;color:var(--color-text-muted);line-height:1.65}.api-section{text-align:center}.api-section .code-block{text-align:left;max-width:620px;margin:0 auto}.security-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;max-width:720px;margin:0 auto}.security-item{display:flex;align-items:flex-start;gap:.75rem;padding:1.25rem}.security-item__icon{color:var(--color-accent-green);font-size:1.125rem;flex-shrink:0;margin-top:.125rem}.security-item__text{font-size:.9375rem;color:var(--color-text-secondary);line-height:1.5}.security-item__text strong{color:var(--color-text);display:block;margin-bottom:.25rem}.cta-banner{text-align:center;max-width:600px;margin:0 auto;padding:3rem 2rem;background:var(--color-surface-1);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.cta-banner__title{font-size:clamp(1.5rem, 3.5vw, 2rem);font-weight:700;letter-spacing:-.02em;margin-bottom:.75rem;color:var(--color-text)}.cta-banner__desc{font-size:1rem;color:var(--color-text-muted);margin-bottom:2rem;line-height:1.7}.footer{padding:1.5rem;text-align:center;font-size:.8125rem;color:var(--color-text-muted);border-top:1px solid var(--color-border)}.footer a{color:var(--color-text-muted);text-decoration:none}.footer a:hover{color:var(--color-text)}.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out);transition-delay:calc(var(--i, 0) * 80ms)}.reveal.revealed{opacity:1;transform:translateY(0)}}@layer responsive{@media (max-width:900px){.feature-grid{grid-template-columns:repeat(2,1fr)}.steps-grid{grid-template-columns:repeat(2,1fr)}.security-grid{grid-template-columns:1fr}}@media (max-width:640px){.feature-grid{grid-template-columns:1fr}.steps-grid{grid-template-columns:1fr}.nav__links{gap:1rem}.hero__cta{flex-direction:column}.hero__trust{flex-direction:column}.trust-bar{flex-direction:column;gap:1rem}.card,.glass-card{padding:1.25rem}.container{padding:0 1rem}}}@keyframes gradientShift{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}@keyframes ambientShift{0%,100%{opacity:1}50%{opacity:.6}}@keyframes fadeInUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.hero__content>*{animation:fadeInUp .8s var(--ease-out) both}.hero__content>:first-child{animation-delay:0s}.hero__content>:nth-child(2){animation-delay:.1s}.hero__content>:nth-child(3){animation-delay:.2s}.hero__content>:nth-child(4){animation-delay:.3s}