.auth-menu{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.auth-menu form{margin:0}.auth-nav-link{color:#bce0e9;font-size:13px;white-space:nowrap}.auth-nav-cta,.auth-nav-logout{display:inline-flex;align-items:center;justify-content:center;border:1px solid #36566a;border-radius:9px;padding:10px 12px;font-size:13px;background:#132838;color:#d6f4ec;cursor:pointer;white-space:nowrap}.auth-nav-cta{color:#06231e;background:#65e4c8;border-color:#65e4c8;font-weight:700}.auth-nav-cta:hover,.auth-nav-link:hover,.auth-nav-logout:hover{filter:brightness(1.15)}.auth-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:28px;margin:40px auto 48px;max-width:980px;align-items:start}.auth-panel{padding:34px;background:linear-gradient(135deg,#142b3e,#0b1725);border:1px solid #355169;border-radius:20px}.auth-panel h1{font-size:clamp(28px,3.1vw,42px);line-height:1.13;margin:14px 0;letter-spacing:-.025em}.auth-panel p,.auth-aside p{color:#acc5d5;font-size:14px}.auth-aside{padding:28px 20px}.auth-aside h2{margin-top:12px;font-size:24px}.auth-form{display:grid;gap:18px;margin-top:28px}.auth-field{display:grid;gap:8px;color:#c7d9e7;font-size:13px;font-weight:600}.auth-field input{width:100%;border:1px solid #4a6577;background:#091b2b;color:#f0f8ff;padding:14px;border-radius:10px;font:inherit}.auth-field input:focus{outline:2px solid #65e4c8;outline-offset:2px}.auth-form button{margin-top:4px}.auth-alert{background:#4a242a;color:#fff0f0;border:1px solid #a4515a;border-radius:10px;padding:12px 14px;font-size:13px}.auth-success{background:#153a31;color:#d1ffed;border:1px solid #3c8b75;border-radius:10px;padding:12px 14px;font-size:13px}.auth-switch{margin-top:20px;color:#acc5d5;font-size:13px}.auth-switch a,.auth-aside a{color:#70edd2;text-decoration:underline;text-underline-offset:3px}.auth-muted{color:#9ab4c8;font-size:12px;line-height:1.6}.auth-account{padding:34px;max-width:900px;margin:42px auto;border-radius:20px;border:1px solid #36546d;background:linear-gradient(135deg,#13293b,#0b1929)}.auth-account .email{overflow-wrap:anywhere;font-size:20px;font-weight:700;color:#dff9f5}.auth-account .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:950px){.auth-menu{order:3;width:100%;justify-content:flex-start}.auth-wrap{grid-template-columns:1fr}.auth-aside{padding:8px 10px}.auth-account .feature-grid{grid-template-columns:1fr}}@media(max-width:550px){.auth-panel,.auth-account{padding:22px}.auth-menu{gap:9px}.auth-nav-cta,.auth-nav-logout{padding:8px 10px}}:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#e8f0fa;background:#08111e;font-synthesis:none;font-smooth:always}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}p{line-height:1.65}.site-shell{min-height:100vh;background:radial-gradient(ellipse at 65% 0%,#123b4a 0,transparent 36%),#08111e}.container{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}.site-header{border-bottom:1px solid #243547;background:#0a1725e8;position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.head-row{min-height:76px;display:flex;align-items:center;gap:36px}.brand{font-size:19px;font-weight:650;display:flex;align-items:center;gap:10px;white-space:nowrap}.brand strong{color:#67e4c8}.brand-mark{width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:#61e7c8;color:#06231e;font-size:15px;font-weight:900;letter-spacing:-1px}.nav{display:flex;gap:22px;flex:1;justify-content:center}.nav a{font-size:14px;color:#b1c4d5}.nav a:hover,.footer-links a:hover{color:#7ff0d1}.lang-switch{font-size:12px;border:1px solid #385166;padding:10px 14px;border-radius:9px;white-space:nowrap}.main-content{padding-top:45px;padding-bottom:90px;min-height:65vh}.hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:50px;padding:54px 0 66px}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:#68e4c8;font-weight:700}.hero h1{font-size:clamp(42px,5vw,68px);line-height:1.1;letter-spacing:-.04em;margin:20px 0 22px}.lead{font-size:17px;color:#afc1d2;max-width:600px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}.btn{display:inline-flex;justify-content:center;align-items:center;padding:14px 20px;border-radius:11px;cursor:pointer;border:1px solid transparent;font-weight:650;font-size:14px;transition:transform .16s,filter .16s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:#65e4c8;color:#092321}.btn-primary:hover{filter:brightness(1.07)}.btn-outline{border:1px solid #466074;color:#e2edf6;background:#172537}.btn:disabled{opacity:.45;cursor:not-allowed}.block{width:100%}.pills{display:flex;gap:12px 20px;flex-wrap:wrap;color:#9ab1c4;font-size:12px}.hero-preview,.card{border:1px solid #30465c;background:linear-gradient(145deg,#142536,#101d2e);border-radius:19px;box-shadow:0 15px 65px #030c183d}.hero-preview{padding:18px}.panel-top{display:flex;gap:6px;align-items:center;color:#d5e4ec}.panel-top strong{margin-left:10px;flex:1;font-size:14px}.panel-top small{color:#84a3b6}.mini-dot{height:9px;width:9px;background:#496273;border-radius:100%}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:23px 0 8px}.metric-grid div{background:#0d1928;border:1px solid #304050;border-radius:12px;padding:13px}.metric-grid span,.metric-card span,.answer span{color:#a9c0d1;display:block;font-size:12px}.metric-grid strong{display:block;font-size:24px;margin-top:10px}.line-art{display:block;width:100%;height:auto}.figure-foot{font-size:11px;color:#8099ae;text-align:right;margin:5px 0}.section{margin-top:65px}.section-heading h2{font-size:32px;letter-spacing:-.02em;margin:13px 0}.section-heading p{color:#a9c0d1}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:24px}.feature{padding:26px;min-height:245px;transition:border-color .2s}.feature:hover{border-color:#63cfb9}.feature h3{font-size:20px}.feature p{color:#a9bbcd;font-size:14px}.feature-icon{width:46px;height:46px;border-radius:12px;background:#174c49;color:#6ce5cd;display:grid;place-items:center;font-size:28px}.feature-link{display:block;color:#79dfc8;font-size:13px;font-weight:700;margin-top:16px}.feature.muted{opacity:.74}.footer{border-top:1px solid #2a4053;padding:31px 0;color:#9bb0c4;background:#08111e}.footer-row{display:flex;justify-content:space-between;gap:20px}.footer p{max-width:650px;font-size:12px}.footer-links{display:flex;gap:18px;align-items:start;font-size:13px;flex-wrap:wrap}.page-heading{max-width:780px;padding:26px 0 38px}.page-heading h1{font-size:clamp(33px,4vw,50px);letter-spacing:-.035em;margin:14px 0}.page-heading p{color:#abc0d2}.two-col{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}.upload-card,.info-card,.calculator-form,.calculator-result{padding:26px}.upload-box{min-height:210px;border:2px dashed #416278;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;background:#091b2b;cursor:pointer;padding:15px;overflow-wrap:anywhere}.upload-symbol{font-size:38px;color:#73ebcb}.upload-box small,.help{color:#94aabd;font-size:12px}.upload-card .btn{margin-top:22px}.info-card h3{margin-top:0}.info-card p{font-size:14px;color:#b8d1dc}.alert{padding:13px 15px;background:#233447;border:1px solid #3f566d;border-radius:9px;color:#bed2df;font-size:13px;line-height:1.55;margin:15px 0}.alert-danger{background:#4f232a;border-color:#a05056;color:#fff}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.metric-card{padding:20px}.metric-card strong{display:block;font-size:29px;margin:12px 0}.metric-card .missing{color:#8197aa}.metric-card small{color:#7d9eb4;font-size:11px}.warnings{padding:22px;margin-top:25px}.warnings li{color:#abc0d2;line-height:1.7;padding-bottom:7px}.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.field-grid label{display:flex;flex-direction:column;gap:9px;color:#b9ccd9;font-size:13px}.field-grid input{color:#f1fafc;background:#0d1a29;border:1px solid #476078;padding:13px;border-radius:9px;max-width:100%}.full-field{grid-column:1/-1}.answer{padding:16px 0;border-bottom:1px solid #355066}.answer strong{font-size:30px;display:block;margin-top:8px;color:#76eccd}.calculator-result .alert{margin-top:24px}@media(max-width:900px){.head-row{gap:18px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.nav{order:3;width:100%;overflow:auto;justify-content:flex-start;gap:20px}.brand{flex:1}.hero,.two-col{grid-template-columns:1fr}.hero{padding-top:24px;gap:25px}.feature-grid{grid-template-columns:1fr 1fr}}@media(max-width:590px){.container{padding-left:16px;padding-right:16px}.hero h1{font-size:41px}.feature-grid,.results-grid,.field-grid{grid-template-columns:1fr}.metric-grid strong{font-size:19px}.metric-grid div{padding:9px}.footer-row{flex-direction:column}.full-field{grid-column:auto}.main-content{padding-top:18px}.feature{min-height:auto}.nav a{white-space:nowrap}}:root{color-scheme:dark;--fx-bg: #07111f;--fx-surface-1: #101f31;--fx-surface-2: #14273b;--fx-surface-3: #1d3448;--fx-border: #30485e;--fx-text: #eef5fb;--fx-text-muted: #afc5d7;--fx-primary: #58dec3;--fx-primary-hover: #76f0d7;--fx-primary-ink: #062b26;--fx-champagne: #d8bd81;--fx-danger: #e58a91;--fx-focus: #8ef4df;--fx-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--fx-radius-sm: 8px;--fx-radius-md: 12px;--fx-radius-lg: 16px;--fx-radius-xl: 20px;--fx-space-1: 4px;--fx-space-2: 8px;--fx-space-3: 12px;--fx-space-4: 16px;--fx-space-6: 24px;--fx-space-8: 32px;--fx-shadow-card: 0 16px 45px rgb(0 6 16 / 25%);--fx-ease: cubic-bezier(.2, .8, .2, 1);--fx-duration: .18s}body{font-family:var(--fx-font-sans)}.site-shell{color:var(--fx-text);background:radial-gradient(ellipse at 64% -10%,rgb(40 111 121 / 21%),transparent 44%),var(--fx-bg)}.site-shell .site-header{background:#07111feb;border-bottom:1px solid var(--fx-border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.site-shell .brand{font-weight:750;letter-spacing:-.025em}.site-shell .brand-mark{background:linear-gradient(145deg,var(--fx-primary-hover),var(--fx-primary));color:var(--fx-primary-ink);box-shadow:0 6px 20px #58dec321}.site-shell .brand strong{color:var(--fx-primary)}.site-shell .nav a{border-radius:var(--fx-radius-sm);padding:8px 2px;transition:color var(--fx-duration) var(--fx-ease)}.site-shell .nav a:hover,.site-shell .footer-links a:hover{color:var(--fx-primary-hover)}.site-shell :is(a,button,input,select,textarea):focus-visible{outline:2px solid var(--fx-focus);outline-offset:3px}.site-shell .lang-switch{border-color:var(--fx-border);border-radius:var(--fx-radius-md)}.site-shell .hero h1{text-wrap:balance}.site-shell .eyebrow,.site-shell .feature-link{color:var(--fx-primary)}.site-shell .btn-primary{background:var(--fx-primary);color:var(--fx-primary-ink)}.site-shell .btn-outline{border-color:var(--fx-border);color:var(--fx-text);background:var(--fx-surface-2)}.site-shell :is(.hero-preview,.card){border-color:var(--fx-border);background:linear-gradient(145deg,var(--fx-surface-2),var(--fx-surface-1));box-shadow:var(--fx-shadow-card)}.site-shell .feature:hover{border-color:var(--fx-primary)}.site-shell .feature-icon{border-radius:var(--fx-radius-md)}.site-shell .footer{border-color:var(--fx-border);background:var(--fx-bg)}@media(prefers-reduced-motion:reduce){.site-shell .btn,.site-shell .nav a{transition-duration:.01ms}}.site-header.fxth-premium-header{background:color-mix(in srgb,var(--fx-bg, #07111f) 91%,transparent);border-bottom:1px solid var(--fx-border, #284157);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);position:sticky;top:0;z-index:100}.fxth-nav-container{max-width:1440px;width:100%;padding-inline:clamp(16px,3vw,40px);margin-inline:auto}.fxth-header-main{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:clamp(12px,2vw,28px)}.fxth-brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;flex:0 0 auto;color:var(--fx-text, #eef5fb);font-weight:760;font-size:19px;letter-spacing:-.035em}.fxth-brand:hover{color:var(--fx-text, #eef5fb)}.fxth-brand-mark{width:43px;height:43px;display:grid;place-items:center;color:var(--fx-primary-ink, #062b2b);background:var(--fx-primary, #58dec3);border-radius:12px;font-size:15px;font-weight:900;letter-spacing:-.07em;box-shadow:0 0 26px #58dec324}.fxth-brand strong{color:var(--fx-primary, #58dec3);font-weight:750}.fxth-primary-nav{display:flex;align-items:center;gap:4px;min-width:0}.fxth-nav-link,.fxth-nav-dropdown>summary{display:inline-flex;align-items:center;gap:6px;padding:11px 12px;border:1px solid transparent;border-radius:11px;font-size:13px;font-weight:560;line-height:1.2;color:var(--fx-text-muted, #9cb1c2);cursor:pointer;white-space:nowrap;background:transparent}.fxth-nav-link:hover,.fxth-nav-dropdown>summary:hover,.fxth-nav-link[aria-current=page],.fxth-nav-dropdown[open]>summary{color:var(--fx-text, #eef5fb);background:var(--fx-surface-2, #14273b);border-color:var(--fx-border, #284157)}.fxth-nav-link[aria-current=page]{color:var(--fx-primary, #58dec3)}.fxth-nav-dropdown{position:relative}.fxth-nav-dropdown>summary{list-style:none}.fxth-nav-dropdown>summary::-webkit-details-marker{display:none}.fxth-dropdown-panel{position:absolute;top:calc(100% + 10px);left:0;width:230px;background:var(--fx-surface-1, #101f31);border:1px solid var(--fx-border, #284157);border-radius:14px;padding:8px;box-shadow:0 18px 55px #010712a6;display:grid;gap:3px}.fxth-dropdown-panel a{padding:11px 12px;border-radius:9px;font-size:13px;color:var(--fx-text, #eef5fb)}.fxth-dropdown-panel a:hover,.fxth-dropdown-panel a:focus-visible{background:var(--fx-surface-2, #14273b)}.fxth-header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.fxth-account-link,.fxth-lang-link,.fxth-register-link,.fxth-logout-button{display:inline-flex;justify-content:center;align-items:center;min-height:41px;padding:10px 13px;border:1px solid var(--fx-border, #284157);border-radius:11px;font-size:12px;font-weight:650;cursor:pointer;white-space:nowrap;background:var(--fx-surface-1, #101f31);color:var(--fx-text, #eef5fb)}.fxth-register-link{background:var(--fx-primary, #58dec3);color:var(--fx-primary-ink, #062b2b);border-color:transparent}.fxth-register-link:hover{filter:brightness(1.06)}.fxth-account-link:hover,.fxth-lang-link:hover,.fxth-logout-button:hover{border-color:var(--fx-primary, #58dec3)}.fxth-header-actions form,.fxth-mobile-account form{margin:0}.fxth-menu-toggle{display:none;width:43px;height:43px;align-items:center;justify-content:center;background:var(--fx-surface-1, #101f31);border:1px solid var(--fx-border, #284157);border-radius:11px;color:var(--fx-text, #eef5fb);font-size:20px;cursor:pointer}.fxth-mobile-panel{display:none}.fxth-mobile-panel[hidden]{display:none!important}.fxth-premium-header :is(a,button,summary):focus-visible{outline:2px solid var(--fx-primary, #58dec3);outline-offset:3px}@media(max-width:1170px){.fxth-primary-nav,.fxth-desktop-account{display:none}.fxth-header-main{min-height:69px}.fxth-menu-toggle{display:inline-flex}.fxth-mobile-panel{display:block;border-top:1px solid var(--fx-border, #284157);padding:14px 0 20px;max-height:calc(100dvh - 70px);overflow-y:auto}.fxth-mobile-links{display:grid;gap:4px}.fxth-mobile-links a,.fxth-mobile-links .fxth-mobile-caption{display:block;padding:12px 14px;border-radius:10px;font-size:14px;color:var(--fx-text, #eef5fb)}.fxth-mobile-links a:hover,.fxth-mobile-links a[aria-current=page]{background:var(--fx-surface-2, #14273b)}.fxth-mobile-links .fxth-mobile-caption{color:var(--fx-text-muted, #9cb1c2);font-weight:750;padding-bottom:4px}.fxth-mobile-links .fxth-mobile-sub{padding-left:30px;color:var(--fx-text-muted, #9cb1c2)}.fxth-mobile-account{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:12px;padding-top:16px;border-top:1px solid var(--fx-border, #284157)}}@media(max-width:600px){.fxth-brand{font-size:17px}.fxth-brand-mark{width:39px;height:39px}.fxth-header-actions{gap:8px}.fxth-lang-link{min-height:39px;padding-inline:10px}.fxth-menu-toggle{width:39px;height:39px}}@media(prefers-reduced-motion:reduce){.fxth-premium-header *{scroll-behavior:auto;transition:none!important}}