:root{--font-display:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;--font-body:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;--font-mono:Consolas,Monaco,"Courier New",monospace;--brand:#00796b;--brand-hover:#00695c;--brand-soft:rgba(13,148,136,0.14);--brand-glow:rgba(13,148,136,0.28);--success:#10b981;--success-soft:rgba(16,185,129,0.14);--warning:#f59e0b;--warning-soft:rgba(245,158,11,0.14);--danger:#f43f5e;--danger-soft:rgba(244,63,94,0.14);--info:#64748b;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:24px;--shadow-sm:0 1px 2px rgba(0,0,0,0.06);--shadow-md:0 8px 24px rgba(0,0,0,0.12);--shadow-lg:0 20px 50px rgba(0,0,0,0.18);--header-h:72px;--max-w:1160px;--transition:180ms ease;--focus-ring:0 0 0 3px var(--brand-glow);color-scheme:dark;--bg:#070b12;--bg-elevated:#0d1320;--surface:#121a2a;--surface-2:#182235;--border:rgba(148,163,184,0.14);--border-strong:rgba(148,163,184,0.28);--text:#f1f5f9;--text-muted:#94a3b8;--text-subtle:#64748b;--overlay:rgba(2,6,23,0.72);--hero-wash:radial-gradient(ellipse 80% 55% at 50% -10%,rgba(13,148,136,0.22),transparent 60%);--header-bg:rgba(7,11,18,0.82);}[data-theme="light"]{color-scheme:light;--bg:#f4f7fb;--bg-elevated:#ffffff;--surface:#ffffff;--surface-2:#eef2f7;--border:rgba(15,23,42,0.1);--border-strong:rgba(15,23,42,0.18);--text:#0f172a;--text-muted:#475569;--text-subtle:#64748b;--overlay:rgba(15,23,42,0.45);--hero-wash:radial-gradient(ellipse 80% 55% at 50% -10%,rgba(13,148,136,0.14),transparent 60%);--header-bg:rgba(244,247,251,0.86);--shadow-sm:0 1px 2px rgba(15,23,42,0.05);--shadow-md:0 8px 24px rgba(15,23,42,0.08);--shadow-lg:0 20px 50px rgba(15,23,42,0.1);}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}html{scroll-behavior:smooth;}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;}}body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;transition:background-color var(--transition),color var(--transition);}body.nav-open{overflow:hidden;}main#main{flex:1;}img{max-width:100%;display:block;}a{color:var(--brand);text-decoration:none;transition:color var(--transition);}a:hover{color:var(--brand-hover);}ul,ol{list-style:none;}button,input,select,textarea{font:inherit;color:inherit;}button{cursor:pointer;border:none;background:none;}:focus-visible{outline:none;box-shadow:var(--focus-ring);}.skip-link{position:absolute;left:1rem;top:-100px;z-index:1000;background:var(--brand);color:#fff;padding:0.75rem 1rem;border-radius:var(--radius-sm);}.skip-link:focus{top:1rem;}.container{width:min(100% - 2rem,var(--max-w));margin-inline:auto;}@media (min-width:768px){.container{width:min(100% - 2.5rem,var(--max-w));}}.site-header{position:sticky;top:0;z-index:100;height:var(--header-h);backdrop-filter:blur(16px) saturate(1.2);background:var(--header-bg);border-bottom:1px solid transparent;transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);}.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:0 10px 30px rgba(0,0,0,0.12);}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:0.75rem;}.logo{display:inline-flex;align-items:center;gap:0.7rem;color:var(--text);font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:-0.02em;min-width:0;flex-shrink:1;}.logo:hover{color:var(--text);}.nav{display:flex;align-items:center;gap:0.2rem;}.nav a{color:var(--text-muted);padding:0.55rem 0.9rem;border-radius:999px;font-weight:600;font-size:0.92rem;transition:background var(--transition),color var(--transition);}.nav a:hover,.nav a[aria-current="page"]{color:var(--text);background:var(--surface-2);}.header-actions{display:flex;align-items:center;gap:0.45rem;flex-shrink:0;}.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:var(--surface);display:grid;place-items:center;color:var(--text-muted);transition:background var(--transition),color var(--transition),border-color var(--transition),transform var(--transition);}.icon-btn:hover{color:var(--text);border-color:var(--border-strong);}.icon-btn:active{transform:scale(0.96);}.icon-btn svg{width:20px;height:20px;}.theme-toggle .icon-sun{display:none;}[data-theme="light"] .theme-toggle .icon-moon{display:none;}[data-theme="light"] .theme-toggle .icon-sun{display:block;}.nav-toggle{display:none;}.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);margin:3px 0;border-radius:2px;transition:transform var(--transition),opacity var(--transition);transform-origin:center;}.nav-toggle.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg);}.nav-toggle.is-open span:nth-child(2){opacity:0;}.nav-toggle.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}.nav-backdrop{position:fixed;inset:var(--header-h) 0 0;background:var(--overlay);opacity:0;pointer-events:none;transition:opacity 200ms ease;z-index:90;}.nav-backdrop.show{opacity:1;pointer-events:auto;}.hero{position:relative;padding:2.75rem 0 1.25rem;background-image:var(--hero-wash);min-height:320px;overflow:hidden;}.hero-badge{display:inline-flex;align-items:center;gap:0.45rem;padding:0.35rem 0.8rem;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);font-size:0.8rem;font-weight:600;margin-bottom:1rem;}.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);}.hero-brand{font-family:var(--font-display);font-size:clamp(2rem,8vw,3.35rem);font-weight:700;letter-spacing:-0.04em;line-height:1.15;margin-bottom:0.75rem;min-height:76px;}.hero-brand span{color:var(--brand);}.hero-lead{max-width:38rem;color:var(--text-muted);font-size:1.05rem;margin-bottom:1.35rem;min-height:64px;}.hero-actions{display:flex;flex-wrap:wrap;gap:0.75rem;}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;min-height:46px;padding:0.7rem 1.2rem;border-radius:12px;font-weight:700;font-size:0.95rem;transition:background var(--transition),color var(--transition),border-color var(--transition),transform var(--transition);}.btn:active{transform:translateY(1px);}.btn-primary{background:var(--brand);color:#fff;}.btn-primary:hover{background:var(--brand-hover);color:#fff;}.btn-primary:disabled{opacity:0.45;cursor:not-allowed;transform:none;pointer-events:none;}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border-strong);}.btn-secondary:hover{border-color:var(--brand);color:var(--brand);}.btn-ghost{color:var(--text-muted);border:1px solid var(--border);background:var(--surface);}.btn-ghost:hover{color:var(--text);border-color:var(--border-strong);background:var(--surface-2);}.btn-block{width:100%;}.calculator-section{padding:0.5rem 0 3rem;}.calculator-shell{display:grid;grid-template-columns:1.05fr 0.95fr;gap:1.25rem;align-items:start;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:1.25rem;box-shadow:var(--shadow-md);position:relative;overflow:hidden;min-height:760px;}.calculator-shell::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,transparent,var(--brand),transparent);opacity:0.7;}.calc-panel,.results-panel{position:relative;z-index:1;}.panel-title{font-family:var(--font-display);font-size:1.15rem;font-weight:700;letter-spacing:-0.02em;margin-bottom:0.25rem;}.calculator-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:0.25rem;}.calculator-language{display:flex;align-items:center;gap:0.5rem;color:var(--text-subtle);font-size:0.72rem;font-weight:700;white-space:nowrap;}.calculator-language select{width:auto;min-width:7.5rem;padding:0.45rem 2rem 0.45rem 0.7rem;border-radius:var(--radius-sm);font-size:0.78rem;background:var(--surface);color:var(--text);border:1px solid var(--border-strong);}.panel-sub{color:var(--text-muted);font-size:0.9rem;margin-bottom:1.15rem;}@media (max-width:560px){.calculator-toolbar{align-items:flex-start;flex-direction:column;gap:0.65rem;}.calculator-language{width:100%;justify-content:space-between;}.calculator-language select{min-width:8.5rem;}}.field-grid{display:grid;gap:0.9rem;}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0.9rem;}.field{display:grid;gap:0.4rem;}.field label{font-size:0.78rem;font-weight:700;letter-spacing:0.04em;text-transform:uppercase;color:var(--text-subtle);}.field-hint{font-size:0.8rem;color:var(--text-subtle);}.combobox{position:relative;}.chip-row{display:flex;flex-wrap:wrap;gap:0.4rem;margin:0 0 0.55rem;}.chip{border:1px solid var(--border-strong);background:var(--bg-elevated);color:var(--text);border-radius:999px;padding:0.28rem 0.7rem;font-size:0.78rem;font-weight:700;cursor:pointer;transition:background 0.15s ease,color 0.15s ease,border-color 0.15s ease;}.chip:hover,.chip.active{border-color:var(--brand);color:#ffffff;background:var(--brand);}.combobox input,.field select,.field textarea,.contact-form input,.contact-form textarea,.contact-form select{width:100%;min-height:46px;padding:0.7rem 0.9rem;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-elevated);transition:border-color var(--transition),background var(--transition);}.combobox input:focus,.field select:focus,.field textarea:focus,.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{border-color:var(--brand);}.combobox-list{position:absolute;z-index:20;top:calc(100% + 6px);left:0;right:0;max-height:280px;overflow:auto;background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:none;}.combobox-list.open{display:block;}.combobox-option{width:100%;display:flex;align-items:center;justify-content:space-between;gap:0.75rem;text-align:left;padding:0.7rem 0.9rem;color:var(--text);border:0;border-bottom:1px solid var(--border);background:transparent;cursor:pointer;}.option-name{font-weight:600;font-size:0.9rem;}.option-brand{flex-shrink:0;font-size:0.72rem;font-weight:700;letter-spacing:0.02em;color:var(--text-muted);text-transform:uppercase;}.combobox-option:last-child{border-bottom:none;}.combobox-option:hover,.combobox-option[aria-selected="true"]{background:var(--brand-soft);color:var(--brand);}.combobox-empty{padding:0.9rem;color:var(--text-muted);font-size:0.9rem;}.segmented{display:grid;grid-template-columns:repeat(4,1fr);gap:0.4rem;padding:0.3rem;border-radius:var(--radius-md);background:var(--bg-elevated);border:1px solid var(--border);}.segmented-wrap{grid-template-columns:repeat(4,minmax(0,1fr));}.segmented button{min-height:40px;border-radius:8px;font-weight:700;font-size:0.85rem;background:var(--surface);color:var(--text);border:1px solid var(--border-strong);transition:all .2s ease;}.segmented button:hover{background:var(--surface-2);}.segmented button[aria-pressed="true"]{background:#095952;color:#ffffff;border-color:#095952;}.advanced-toggle{width:100%;margin-top:1rem;min-height:44px;border-radius:var(--radius-md);border:1px dashed var(--border-strong);color:var(--text-muted);font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:0.45rem;}.advanced-toggle:hover{color:var(--text);border-color:var(--brand);}.advanced-panel{display:none;margin-top:0.9rem;padding-top:0.9rem;border-top:1px solid var(--border);}.advanced-panel.open{display:block;animation:rise 220ms ease;}.calc-actions{margin-top:1.1rem;display:grid;gap:0.65rem;}.calc-note{text-align:center;font-size:0.82rem;color:var(--text-subtle);}.results-panel{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.15rem;min-height:540px;display:flex;flex-direction:column;}.results-empty{margin:auto;text-align:center;max-width:18rem;color:var(--text-muted);}.results-empty-icon{width:56px;height:56px;margin:0 auto 1rem;border-radius:16px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;}.results-empty h3{font-family:var(--font-display);color:var(--text);margin-bottom:0.4rem;}.results-content{display:none;flex-direction:column;gap:1rem;animation:rise 280ms ease;}.results-content.active{display:flex;}.metric-row{display:grid;grid-template-columns:1.1fr 0.9fr;gap:0.85rem;}.metric-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:1rem;}.metric-label{font-size:0.75rem;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;color:var(--text-subtle);margin-bottom:0.35rem;}.metric-value{font-family:var(--font-mono);font-size:2rem;font-weight:600;letter-spacing:-0.03em;line-height:1;}.severity-chip{display:inline-flex;align-items:center;margin-top:0.55rem;padding:0.25rem 0.6rem;border-radius:999px;font-size:0.75rem;font-weight:700;}.severity-balanced{background:var(--success-soft);color:var(--success);}.severity-mild{background:var(--warning-soft);color:var(--warning);}.severity-moderate{background:rgba(249,115,22,0.16);color:#fb923c;}.severity-severe{background:var(--danger-soft);color:var(--danger);}.limit-card p{color:var(--text-muted);font-size:0.92rem;margin-top:0.35rem;}.limit-card strong{color:var(--text);}.result-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:0.35rem;background:var(--surface);padding:0.3rem;border-radius:var(--radius-md);border:1px solid var(--border);}.result-tabs button{min-height:38px;border-radius:8px;font-weight:700;font-size:0.82rem;color:var(--text-muted);}.result-tabs button[aria-selected="true"]{background:var(--brand);color:#fff;}.tab-panel{display:none;}.tab-panel.active{display:block;}.bar-group{display:grid;gap:0.85rem;}.bar-item label{display:flex;justify-content:space-between;font-size:0.85rem;font-weight:700;margin-bottom:0.35rem;}.bar-track{height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden;}.bar-fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,#14b8a6,#0d9488);transition:width 500ms ease;}.bar-fill.gpu{background:linear-gradient(90deg,#38bdf8,#0284c7);}.fps-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.7rem;margin-top:0.9rem;}.fps-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:0.85rem;}.fps-box span{display:block;font-size:0.75rem;color:var(--text-subtle);font-weight:700;text-transform:uppercase;letter-spacing:0.04em;}.fps-box strong{font-family:var(--font-mono);font-size:1.35rem;}.rec-list{display:grid;gap:0.7rem;}.rec-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:0.85rem 0.95rem;}.rec-item h4{font-size:0.92rem;margin-bottom:0.25rem;}.rec-item p{color:var(--text-muted);font-size:0.88rem;}.results-disclaimer{margin-top:auto;padding-top:0.85rem;font-size:0.78rem;color:var(--text-subtle);}.section{padding:3.5rem 0;}.section-alt{background:var(--bg-elevated);border-block:1px solid var(--border);}.section-head{max-width:100%;margin-bottom:2rem;}.section-kicker{color:var(--brand);font-weight:700;font-size:0.82rem;letter-spacing:0.06em;text-transform:uppercase;margin-bottom:0.5rem;}.section-head h2,.page-hero h1,.content-block h2{font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-0.03em;line-height:1.2;margin-bottom:0.65rem;}.panel-title span,.section-head h2 span,.cta-strip h2 span{color:var(--brand);}.section-head p,.page-hero p{color:var(--text-muted);}.severity-grid,.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;}.steps-grid{grid-template-columns:repeat(3,1fr);}.info-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.15rem;}.info-card h3{font-family:var(--font-display);font-size:1.05rem;margin-bottom:0.4rem;}.info-card p{color:var(--text-muted);font-size:0.92rem;}.step-num{width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800;margin-bottom:0.75rem;}table{width:100%;border-collapse:collapse;min-width:640px;}th,td{text-align:left;padding:0.9rem 1rem;border-bottom:1px solid var(--border);font-size:0.92rem;}th{font-size:0.78rem;text-transform:uppercase;letter-spacing:0.04em;color:var(--text-subtle);background:var(--surface-2);}tr:last-child td{border-bottom:none;}.field-label-text{font-size:0.78rem;font-weight:700;letter-spacing:0.04em;text-transform:uppercase;color:var(--text-subtle);}.content-prose{display:grid;gap:1.5rem;max-width:100%;}.content-prose h2{font-family:var(--font-display);font-size:1.45rem;letter-spacing:-0.02em;}.content-prose h3{font-family:var(--font-display);font-size:1.15rem;letter-spacing:-0.02em;margin:0.15rem 0 0;color:var(--text);}.content-prose p,.content-prose li{color:var(--text-muted);}.content-prose ul{display:grid;gap:0.45rem;padding-left:1.1rem;}.content-prose li{list-style:disc;}.faq-list{display:grid;gap:0.7rem;max-width:100%;}.faq-item{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);overflow:hidden;}.faq-item button{width:100%;text-align:left;padding:1rem 1.1rem;font-weight:700;display:flex;justify-content:space-between;gap:1rem;color:var(--text);}.faq-item button span{color:var(--text-subtle);font-size:1.2rem;line-height:1;}.faq-item .faq-body{display:none;padding:0 1.1rem 1.05rem;color:var(--text-muted);}.faq-item.open .faq-body{display:block;}.cta-strip{margin:1rem 0 3rem;padding:2rem;border-radius:var(--radius-xl);border:1px solid var(--border);background:linear-gradient(135deg,rgba(13,148,136,0.16),transparent 55%),var(--surface);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;}.cta-strip h2{font-family:var(--font-display);font-size:1.5rem;letter-spacing:-0.02em;margin-bottom:0.3rem;}.cta-strip p{color:var(--text-muted);}.page-hero{padding:3rem 0 1.5rem;background-image:var(--hero-wash);}.page-content{padding:1rem 0 4rem;}.content-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-sm);}.content-block{display:grid;gap:1rem;color:var(--text-muted);}.content-block h2{color:var(--text);margin-top:0.75rem;}.content-block h2:first-child{margin-top:0;}.content-block ul{display:grid;gap:0.55rem;padding-left:1.25rem;margin:0;}.content-block li{list-style:disc;color:var(--text-muted);}.contact-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:1.25rem;}.contact-form{display:grid;gap:0.9rem;}.form-status{display:none;padding:0.8rem 1rem;border-radius:var(--radius-md);background:var(--success-soft);color:var(--success);font-weight:600;}.form-status.show{display:block;}.contact-aside{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.2rem;}.contact-aside h3{font-family:var(--font-display);margin-bottom:0.5rem;color:var(--text);}.contact-aside p{color:var(--text-muted);margin-bottom:0.85rem;}.site-footer{border-top:1px solid var(--border);background:var(--bg-elevated);padding:3rem 0 1.5rem;margin-top:2rem;}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:1.5rem;margin-bottom:2rem;}.footer-grid >div >.logo{display:inline-flex;align-items:center;gap:0.7rem;margin-bottom:0.75rem;color:var(--text);font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:-0.02em;}.footer-grid >div >.logo:hover{color:var(--text);}.footer-grid p{color:var(--text-muted);font-size:0.92rem;max-width:20rem;}.footer-grid h3{font-size:0.8rem;text-transform:uppercase;letter-spacing:0.05em;color:var(--text-subtle);margin-bottom:0.75rem;}.footer-grid a:not(.logo){display:block;color:var(--text-muted);margin-bottom:0.45rem;font-weight:600;}.footer-grid a:not(.logo):hover{color:var(--brand);}.footer-bottom{border-top:1px solid var(--border);padding-top:1.15rem;display:flex;flex-wrap:wrap;gap:0.75rem;justify-content:space-between;color:var(--text-subtle);font-size:0.85rem;}@keyframes rise{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}@media (max-width:1024px){.calculator-shell,.contact-grid{grid-template-columns:1fr;}.results-panel{min-height:auto;}.severity-grid{grid-template-columns:1fr 1fr;}.footer-grid{grid-template-columns:1.3fr 1fr 1fr;}.footer-grid >:first-child{grid-column:1 / -1;}}@media (max-width:900px){.nav-toggle{display:grid;}.nav{position:fixed;top:var(--header-h);left:0;right:0;z-index:95;display:flex;flex-direction:column;align-items:stretch;gap:0.35rem;padding:1rem 1rem 1.25rem;background:var(--bg-elevated);border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);transform:translateY(-110%);opacity:0;pointer-events:none;transition:transform 220ms ease,opacity 220ms ease;}.nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}.nav a{padding:0.95rem 1rem;border-radius:var(--radius-md);font-size:1rem;}}@media (max-width:768px){:root{--header-h:64px;}.logo{font-size:0.95rem;}.footer-grid{grid-template-columns:1fr 1fr;}.footer-grid >:first-child{grid-column:1 / -1;}.field-row,.metric-row,.steps-grid,.severity-grid,.fps-grid,.result-tabs,.segmented{grid-template-columns:1fr 1fr;}.segmented-wrap{grid-template-columns:repeat(3,minmax(0,1fr));}.chip-row{gap:0.35rem;}.chip{min-height:36px;}.hero{padding:2rem 0 1rem;}.section{padding:2.25rem 0;}img{height:auto;max-width:100%;}button,.btn,select{min-height:48px;}.btn{display:inline-flex;align-items:center;justify-content:center;}.hero,.calculator-section{overflow-anchor:none;}}@media (max-width:520px){.hero{min-height:270px;}.container{width:min(100% - 1.25rem,var(--max-w));}.field-row,.metric-row,.severity-grid,.steps-grid,.fps-grid,.result-tabs,.footer-grid{grid-template-columns:1fr;}.segmented-wrap{grid-template-columns:repeat(2,minmax(0,1fr));}.segmented button{min-height:42px;font-size:0.8rem;}.hero-actions{flex-direction:column;align-items:stretch;}.hero-actions .btn,.calc-actions .btn{width:100%;justify-content:center;}.cta-strip{flex-direction:column;align-items:stretch;padding:1.35rem;gap:1rem;}.cta-strip .btn{width:100%;justify-content:center;}.footer-bottom{flex-direction:column;gap:0.45rem;}.combobox-list{max-height:50vh;}}@media (min-width:769px) and (max-width:1024px){.calculator-shell{gap:1rem;}.segmented-wrap{grid-template-columns:repeat(4,minmax(0,1fr));}}