.landing-page{--background:#171717;--foreground:#f8fafc;--card:#363f45;--card-foreground:#f8fafc;--popover:#363f45;--popover-foreground:#f8fafc;--primary:#2093cd;--primary-foreground:#fff;--primary-dark:#0e517b;--secondary:#363f45;--secondary-foreground:#f8fafc;--muted:#000;--muted-foreground:#828b90;--accent:#1dacec;--accent-foreground:#fff;--destructive:#7c1d1d;--destructive-foreground:#f8fafc;--border:#828b90;--input:#363f45;--ring:#1dacec}.bg-landing-gradient{background:radial-gradient(circle at 50% 0,#363f45 0%,#171717 60%,#000 100%)}.text-metallic{background:linear-gradient(135deg,#e2e8f0 0%,#828b90 50%,#363f45 100%);color:#0000;text-shadow:0 2px 10px #0000004d;-webkit-background-clip:text;background-clip:text}.glow-text{text-shadow:0 0 20px #1dacec80}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:#000}::-webkit-scrollbar-thumb{background:#363f45;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#2093cd}.landing-page .calc-surface{background:var(--card);border:1px solid #828b9038;box-shadow:0 32px 84px -58px #0000008c,inset 0 1px #ffffff0a}.landing-page .calc-surface-inset{background:linear-gradient(#363f45f2,#171717bf);border:1px solid #828b902e}.landing-page .calc-entry-panel{background:radial-gradient(circle at 15% 5%,#2093cd2e,#0000 34%),linear-gradient(145deg,#363f45eb,#1717178c);border-right:1px solid #828b902e}.landing-page .calc-grade-btn{transition:color .2s cubic-bezier(.25,1,.5,1),background-color .2s cubic-bezier(.25,1,.5,1),border-color .2s cubic-bezier(.25,1,.5,1),box-shadow .2s cubic-bezier(.25,1,.5,1)}.landing-page .calc-grade-btn[data-active=true]{box-shadow:0 0 0 1px #2093cd59,0 10px 20px -12px #2093cd73}.landing-page .calc-sticky-bar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#363f45eb;border:1px solid #828b9038;box-shadow:0 -18px 44px -34px #0000008c,0 20px 54px -42px #00000059}.landing-page .calc-score-track{background:#00000073;border:1px solid #828b9033}.landing-page .calc-cutoff-marker{background:repeating-linear-gradient(#fbbf24d9 0 4px,#0000 4px 8px)}.landing-page .calc-result-hero{background:radial-gradient(circle at 86% 0,#2093cd2e,#0000 32%),linear-gradient(#363f458c,#17171740)}.landing-page .calc-result-cta{background:linear-gradient(135deg,#2093cd1f,#363f4559);border:1px solid #2093cd47;box-shadow:inset 0 1px #ffffff0a}