@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.block{display:block}.contents{display:contents}.table{display:table}.rounded{border-radius:.25rem}}:root{--canvas:#f5f2ea;--surface:#fffdf8;--surface-soft:#ecefe7;--ink:#24302c;--ink-soft:#68716d;--olive:#52685b;--olive-deep:#31483d;--wheat:#b9823a;--apricot:#d46c48;--line:#24302c1c;--shadow:0 26px 70px #39362b1c}*{box-sizing:border-box}html{background:var(--canvas);scroll-behavior:smooth}body{background:radial-gradient(circle at 87% 7%, #b9823a21, transparent 25rem), linear-gradient(180deg, #f8f5ef 0%, var(--canvas) 48%, #efebe2 100%);min-height:100vh;color:var(--ink);text-rendering:optimizelegibility;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}::selection{background:#b9823a40}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.site-root{overflow:hidden}.page-shell{width:min(1240px,100% - 48px);margin:0 auto}.site-header{justify-content:space-between;align-items:center;min-height:90px;display:flex}.brand,.brand-logo{align-items:center;display:inline-flex}.brand-logo{gap:10px}.brand-symbol{width:52px;height:52px;overflow:visible}.brand-symbol__ink{color:var(--ink);stroke:currentColor;stroke-linecap:round;stroke-linejoin:round}.brand-symbol__wheat{color:var(--wheat);stroke:currentColor;stroke-linecap:round;stroke-linejoin:round}.brand-symbol__unit{fill:var(--wheat);text-anchor:middle;font-family:ui-sans-serif,system-ui,sans-serif;font-size:8.5px;font-weight:650}.brand-wordmark{letter-spacing:-.035em;font-size:1.08rem}.brand-wordmark strong{font-weight:680}.brand-logo--compact .brand-symbol{width:47px;height:47px}.site-nav{color:var(--ink-soft);align-items:center;gap:clamp(18px,3vw,38px);font-size:.78rem;font-weight:650;display:flex}.site-nav>a:not(.language-switch){padding:9px 0}.site-nav>a:not(.language-switch):hover,.site-nav>a:not(.language-switch):focus-visible{color:var(--olive-deep);outline:none}.language-switch{border:1px solid var(--line);min-width:45px;height:38px;color:var(--ink);background:#fffdf8b8;border-radius:11px;place-items:center;transition:all .16s;display:grid}.language-switch:hover,.language-switch:focus-visible{background:var(--surface);border-color:#52685b52;outline:none;box-shadow:0 8px 24px #39362b14}.hero{isolation:isolate;min-height:720px;padding:88px 0 126px;position:relative}.hero-copy{z-index:2;max-width:670px;position:relative}.eyebrow{color:#a94e30;letter-spacing:.07em;text-transform:uppercase;background:#d46c481a;border-radius:999px;margin:0 0 25px;padding:8px 12px;font-size:.7rem;font-weight:720;display:inline-flex}h1,h2,h3,p{text-wrap:pretty}h1,h2{letter-spacing:-.057em;margin:0;font-weight:650}h1{max-width:720px;font-size:clamp(3.5rem,5.4vw,5.85rem);line-height:.97}.hero-intro{max-width:580px;color:var(--ink-soft);margin:30px 0 0;font-size:clamp(1rem,1.35vw,1.16rem);line-height:1.7}.hero-actions{align-items:center;gap:23px;margin-top:35px;display:flex}.primary-button{background:var(--olive-deep);color:#fff;opacity:1;border:0;border-radius:13px;align-items:center;min-height:50px;padding:0 22px;font-size:.84rem;font-weight:680;display:inline-flex;box-shadow:0 12px 30px #31483d2e}.text-link{border-bottom:1px solid #24302c4d;padding:7px 0 5px;font-size:.84rem;font-weight:650}.text-link:hover,.text-link:focus-visible{border-color:var(--apricot);color:var(--apricot);outline:none}.build-status{color:var(--ink-soft);align-items:center;gap:9px;margin:34px 0 0;font-size:.72rem;display:flex}.build-status>span{background:var(--surface-soft);width:18px;height:18px;color:var(--olive-deep);border-radius:50%;place-items:center;font-size:.65rem;display:grid}.hero-visual{z-index:0;background:0 0;position:absolute;inset:0 calc(-1*max(24px,50vw - 620px));overflow:hidden}.hero-visual:after{content:"";pointer-events:none;background:linear-gradient(90deg,#f7f4edf5 0%,#f7f4ede0 22%,#f7f4ed9e 43%,#f7f4ed33 61%,#0000 73%),linear-gradient(#f8f5ef2e 0%,#0000 18% 76%,#f5f2eafa 100%);position:absolute;inset:0}.hero-image{object-fit:cover;object-position:center 57%}.calculator-stage{z-index:3;margin:0 auto;padding:34px 0 88px;position:relative}.calculator-stage:before{z-index:-1;content:"";background:linear-gradient(#f5f2ea00 0%,#f5f2ea 7rem,#f2eee5 100%);position:absolute;inset:-75px calc(-1*max(24px,50vw - 620px)) 0}.calculator-column{width:min(100%,1100px);margin:0 auto;position:relative}.calculator-workspace{scroll-margin-top:24px}.calculation-card{padding:clamp(24px,3vw,38px) clamp(0px,2vw,22px) 0;position:relative}.calculator-heading{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);align-items:end;gap:clamp(24px,6vw,74px);padding-bottom:28px;display:grid}.calculator-kicker{color:var(--apricot);letter-spacing:.07em;text-transform:uppercase;margin:0 0 9px;font-size:.64rem;font-weight:720}.calculator-heading h2{font-size:clamp(2rem,4vw,3.45rem);line-height:1}.calculator-heading>p{color:var(--ink-soft);margin:0;font-size:.86rem;line-height:1.65}.calculator-layout{grid-template-columns:minmax(310px,.88fr) minmax(360px,1.12fr);align-items:start;gap:clamp(26px,4vw,48px);padding-top:32px;display:grid}.calculator-controls{gap:25px;display:grid}.calculator-controls fieldset{border:0;border-top:1px solid var(--line);min-width:0;margin:0;padding:22px 0 0}.calculator-controls fieldset:first-child{border-top:0;padding-top:0}.calculator-controls legend{color:var(--ink-soft);letter-spacing:.07em;text-transform:uppercase;margin-bottom:12px;padding:0;font-size:.64rem;font-weight:720}.fieldset-intro,.fieldset-help{color:var(--ink-soft);margin:0;font-size:.68rem;line-height:1.55}.fieldset-intro{margin-bottom:11px}.fieldset-help{margin-top:10px}.preset-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.preset-grid button{min-height:70px;color:var(--ink);cursor:pointer;text-align:left;background:#fffdf87a;border:1px solid #24302c21;border-radius:13px;align-content:center;gap:4px;padding:10px 12px;transition:all .16s;display:grid}.preset-grid button:hover{background:var(--surface);border-color:#52685b5c}.preset-grid button[aria-pressed=true]{border-color:var(--olive-deep);background:var(--olive-deep);color:var(--surface);box-shadow:0 8px 22px #31483d26}.preset-grid strong{font-size:.78rem}.preset-grid small{color:var(--ink-soft);font-size:.6rem;line-height:1.35}.preset-grid button[aria-pressed=true] small{color:#fffdf8ad}.target-choice-grid{gap:4px;margin-bottom:11px;display:grid}.target-choice-grid button{min-height:56px;color:var(--ink);cursor:pointer;text-align:left;background:#fffdf857;border:0;border-left:3px solid #0000;border-radius:4px 11px 11px 4px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:15px;padding:9px 13px;transition:all .16s;display:grid}.target-choice-grid button:hover{background:#fffdf8b8}.target-choice-grid button[aria-pressed=true]{border-left-color:var(--apricot);background:var(--surface);box-shadow:0 7px 20px #39362b12}.target-choice-grid strong{font-size:.73rem;line-height:1.35}.target-choice-grid small{color:var(--ink-soft);font-size:.61rem;line-height:1.4}.segmented-control{background:#eeece6;border-radius:13px;grid-template-columns:repeat(2,1fr);gap:4px;margin-bottom:10px;padding:4px;display:grid}.segmented-control--target{grid-template-columns:repeat(3,minmax(0,1fr))}.segmented-control--target button{padding-inline:8px;font-size:.7rem}.segmented-control button{min-height:38px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:9px;font-size:.75rem;font-weight:680}.segmented-control button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 4px 14px #39362b14}.segmented-control button:focus-visible,.preset-grid button:focus-visible,.target-choice-grid button:focus-visible,.hydration-choices button:focus-visible,.optional-fields summary:focus-visible,.result-actions button:focus-visible,.number-control input:focus-visible{outline-offset:2px;outline:2px solid #d46c4894}.target-mode-help{color:var(--ink-soft);margin:9px 2px 0;font-size:.64rem;line-height:1.55}.choice-label{color:var(--ink-soft);margin:0 0 8px;font-size:.62rem;font-weight:680}.hydration-choices{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:11px;display:grid}.hydration-choices button{min-height:54px;color:var(--ink);cursor:pointer;text-align:left;background:0 0;border:1px solid #24302c1f;border-radius:10px;align-content:center;gap:3px;padding:8px;display:grid}.hydration-choices button[aria-pressed=true]{border-color:var(--olive-deep);background:#31483d14}.hydration-choices strong{font-size:.66rem}.hydration-choices small{color:var(--ink-soft);font-size:.56rem;line-height:1.35}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.number-field{border-bottom:1px solid #24302c2b;gap:8px;min-width:0;padding:12px 4px 10px;transition:border-color .16s,background .16s;display:grid}.number-field:focus-within{border-color:var(--apricot);background:#fffdf85c}.number-field>span:first-child{color:var(--ink-soft);font-size:.62rem;line-height:1.25}.number-control{align-items:baseline;display:flex}.number-control input{width:100%;min-width:0;color:var(--ink);font-variant-numeric:tabular-nums;background:0 0;border:0;padding:0;font-size:1.08rem;font-weight:700}.number-control input:focus-visible{border-radius:4px}.number-control small{color:var(--ink-soft);font-size:.65rem;font-weight:650}.field-hint{color:var(--ink-soft);margin:9px 1px 0;font-size:.62rem}.optional-fields{border-top:1px solid var(--line);padding-top:19px}.optional-fields summary{cursor:pointer;background:#fffdf875;border-radius:11px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:11px 13px;list-style:none;display:grid}.optional-fields summary::-webkit-details-marker{display:none}.optional-fields summary:after{color:var(--olive-deep);content:"+";grid-area:1/2/span 2;font-size:1.15rem;font-weight:500}.optional-fields[open] summary:after{content:"−"}.optional-fields summary>span{font-size:.76rem;font-weight:700}.optional-fields summary>small{color:var(--ink-soft);font-size:.6rem;line-height:1.35}.optional-fields fieldset{border-top:0;padding:12px 2px 0}.calculator-result{min-width:0;position:sticky;top:24px}.result-summary{border-left:3px solid var(--wheat);color:var(--ink);margin:0 0 20px;padding:2px 0 2px 15px;font-size:.9rem;font-weight:680;line-height:1.55}.result-metrics{border-bottom:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:0;margin-bottom:20px;padding-bottom:18px;display:grid}.result-metrics>div{border-left:1px solid var(--line);gap:5px;padding:2px 18px;display:grid}.result-metrics>div:first-child{border-left:0;padding-left:0}.result-metrics span{color:var(--ink-soft);font-size:.62rem}.result-metrics strong{font-variant-numeric:tabular-nums;font-size:clamp(1rem,2vw,1.3rem)}.formula-block{background:var(--olive-deep);color:var(--surface);border-radius:20px;padding:23px}.formula-heading{color:#fffdf88f;letter-spacing:.06em;text-transform:uppercase;justify-content:space-between;gap:20px;margin-bottom:12px;font-size:.62rem;font-weight:700;display:flex}.formula-heading p,.formula-block dl{margin:0}.formula-block dl>div{border-bottom:1px solid #fffdf81c;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;min-height:53px;display:grid}.formula-block dl>div:last-child{border-bottom:0}.formula-block dt{color:#fffdf8d1;align-items:center;font-size:.76rem;display:flex}.formula-block dd{text-align:right;font-variant-numeric:tabular-nums;grid-template-columns:54px minmax(74px,auto);align-items:baseline;gap:12px;margin:0;display:grid}.formula-block dd small{color:#fffdf87a;font-size:.62rem}.formula-block dd strong{font-size:1rem}.formula-note{min-height:36px;color:var(--ink-soft);margin:12px 4px 0;font-size:.65rem;line-height:1.5}.result-actions{gap:8px;margin-top:14px;display:flex}.result-actions button{border:1px solid var(--line);min-height:40px;color:var(--ink);cursor:pointer;background:0 0;border-radius:11px;padding:0 14px;font-size:.7rem;font-weight:680}.result-actions button:first-child{border-color:var(--olive-deep);background:var(--olive-deep);color:#fff}.result-next-steps{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.result-next-steps>strong{font-size:.72rem}.result-next-steps ol{color:var(--ink-soft);gap:8px;margin:12px 0 0;padding-left:18px;font-size:.66rem;line-height:1.55;display:grid}.formula-error{color:#8c3f29;background:#f3e8e1;border-radius:20px;align-items:flex-start;gap:13px;min-height:180px;padding:25px;display:flex}.formula-error span{background:#d46c4826;border-radius:50%;flex:none;place-items:center;width:25px;height:25px;font-weight:750;display:grid}.formula-error p{margin:3px 0 0;line-height:1.55}.ratio-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);margin-top:48px;padding:25px 0;display:grid}.ratio-strip>div{border-left:1px solid var(--line);min-width:0;padding:3px 25px 2px}.ratio-strip>div:first-child{border-left:0;padding-left:0}.ratio-strip span{font-variant-numeric:tabular-nums;letter-spacing:-.05em;font-size:clamp(1.55rem,2.8vw,2.55rem);font-weight:630}.ratio-strip p{color:var(--ink-soft);letter-spacing:.06em;text-transform:uppercase;margin:6px 0 0;font-size:.66rem;font-weight:680}.beginner-help{border-top:1px solid var(--line);grid-template-columns:minmax(260px,.78fr) minmax(0,1.22fr);gap:clamp(46px,8vw,105px);padding:clamp(76px,9vw,116px) 0;display:grid}.beginner-help header h2{max-width:590px;font-size:clamp(2.25rem,4vw,4.1rem);line-height:1}.beginner-help header>p:last-child{max-width:560px;color:var(--ink-soft);margin:25px 0 0;font-size:.84rem;line-height:1.7}.beginner-help dl{margin:0}.beginner-help dl>div{border-top:1px solid var(--line);grid-template-columns:minmax(115px,.42fr) minmax(0,1fr);gap:24px;padding:22px 0;display:grid}.beginner-help dl>div:last-child{border-bottom:1px solid var(--line)}.beginner-help dt{font-size:.82rem;font-weight:730}.beginner-help dd{color:var(--ink-soft);gap:7px;margin:0;font-size:.75rem;line-height:1.6;display:grid}.beginner-help dd small{color:var(--olive);font-size:.64rem;font-weight:680}.beginner-help__link{grid-column:2;justify-self:start;margin-top:-58px}.principles{isolation:isolate;min-height:720px;margin-inline:calc(-1*max(24px,50vw - 620px));scroll-margin-top:24px;position:relative;overflow:hidden}.principles:after{z-index:1;content:"";pointer-events:none;background:linear-gradient(90deg,#f4efe5fc 0%,#f4efe5f2 30%,#f4efe5b8 49%,#f4efe52e 72%,#0000 100%),linear-gradient(#f2eee5 0%,#0000 15% 84%,#eee8dc 100%);position:absolute;inset:0}.principles-image{z-index:0;object-fit:cover;object-position:center center}.principles-copy{z-index:2;width:min(650px,54vw);margin-left:max(24px,50vw - 620px);padding:clamp(76px,8vw,110px) 0 76px;position:relative}.principles-eyebrow{border-left:2px solid var(--apricot);color:#a94e30;letter-spacing:.07em;text-transform:uppercase;margin:0 0 22px;padding-left:12px;font-size:.68rem;font-weight:700}.principles-copy>h2{max-width:620px;font-size:clamp(2.65rem,4.3vw,4.65rem);line-height:1}.principle-flow{border-top:1px solid #24302c2e;max-width:590px;margin-top:52px}.principle-flow article{border-bottom:1px solid #24302c24;grid-template-columns:minmax(145px,.72fr) minmax(0,1.28fr);align-items:baseline;gap:24px;padding:19px 0 21px;display:grid}.principle-flow h3{letter-spacing:-.025em;margin:0;font-size:1rem;font-weight:690}.principle-flow p{color:var(--ink-soft);margin:0;font-size:.84rem;line-height:1.62}footer{color:var(--ink-soft);padding:28px 4px 32px;font-size:.69rem}.guide-page{padding-bottom:70px}.guide-hero{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1.12fr) minmax(340px,.88fr);align-items:center;gap:clamp(48px,8vw,110px);min-height:610px;padding:82px 0 76px;display:grid;position:relative}.guide-hero:before{z-index:-1;content:"";background:radial-gradient(circle,#b9823a1f,#0000 69%);border-radius:50%;width:540px;height:540px;position:absolute;inset:-110px -170px auto auto}.guide-hero__copy h1{max-width:760px;font-size:clamp(3.35rem,5.7vw,6.1rem)}.guide-hero__copy>p:not(.eyebrow){max-width:650px;color:var(--ink-soft);margin:28px 0 33px;font-size:clamp(1rem,1.35vw,1.16rem);line-height:1.75}.guide-formula{background:var(--olive-deep);color:var(--surface);border-radius:24px;padding:clamp(25px,3vw,34px);box-shadow:0 30px 70px #31483d2e}.guide-formula>p{color:#fffdf894;letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px;font-size:.64rem;font-weight:720}.guide-formula h2{max-width:330px;font-size:clamp(1.8rem,3vw,2.55rem);line-height:1.02}.guide-formula dl{margin:27px 0 0}.guide-formula dl>div{border-bottom:1px solid #fffdf81c;grid-template-columns:minmax(0,1fr) auto;align-items:center;min-height:49px;display:grid}.guide-formula dt{color:#fffdf8c7;font-size:.76rem}.guide-formula dd{text-align:right;font-variant-numeric:tabular-nums;grid-template-columns:46px 66px;align-items:baseline;gap:14px;margin:0;display:grid}.guide-formula dd span{color:#fffdf880;font-size:.64rem}.guide-formula dd strong{font-size:.86rem}.guide-formula__total{color:#e4bd83;margin-top:22px;font-size:.78rem;display:block}.guide-contents{border-bottom:1px solid var(--line);grid-template-columns:190px minmax(0,1fr);align-items:baseline;gap:30px;padding:23px 0;display:grid}.guide-contents>strong{color:var(--ink-soft);letter-spacing:.06em;text-transform:uppercase;font-size:.68rem}.guide-contents>div{flex-wrap:wrap;gap:12px 24px;display:flex}.guide-contents a{color:var(--ink-soft);border-bottom:1px solid #0000;font-size:.72rem}.guide-contents a:hover,.guide-contents a:focus-visible{border-color:var(--apricot);color:var(--ink);outline:none}.guide-section{border-bottom:1px solid var(--line);grid-template-columns:minmax(230px,.72fr) minmax(0,1.28fr);gap:clamp(42px,8vw,110px);padding:clamp(76px,9vw,118px) 0;scroll-margin-top:24px;display:grid}.guide-section h2,.guide-benefits>h2,.guide-faq>h2{font-size:clamp(2.35rem,4vw,4.25rem);line-height:1}.guide-prose{max-width:700px}.guide-prose>p{color:var(--ink-soft);margin:0 0 22px;font-size:1rem;line-height:1.8}.guide-prose>aside{border-left:3px solid var(--wheat);color:var(--ink);margin-top:35px;padding:5px 0 5px 22px;font-size:.88rem;font-weight:650;line-height:1.65}.guide-example{background:#eee9df;grid-template-columns:minmax(280px,.85fr) minmax(360px,1.15fr);gap:clamp(40px,8vw,105px);margin-inline:calc(-1*max(24px,50vw - 620px));padding:clamp(80px,9vw,120px) max(24px,50vw - 620px);scroll-margin-top:24px;display:grid}.guide-example header h2{font-size:clamp(2.45rem,4.3vw,4.5rem);line-height:1}.guide-example header>p:last-child{color:var(--ink-soft);margin:28px 0 0;font-size:.9rem;line-height:1.75}.guide-example ol{align-self:start;margin:0;padding:0;list-style:none}.guide-example li{font-variant-numeric:tabular-nums;border-bottom:1px solid #24302c21;grid-template-columns:minmax(80px,.7fr) minmax(100px,1fr) auto;align-items:center;gap:18px;min-height:64px;display:grid}.guide-example li:first-child{border-top:1px solid #24302c21}.guide-example li span{font-weight:700}.guide-example code{color:var(--ink-soft);font-family:inherit;font-size:.76rem}.guide-example li strong{font-size:1rem}.guide-example__conclusion{color:var(--ink-soft);grid-column:2;margin:-30px 0 0;font-size:.83rem;line-height:1.7}.guide-benefits{padding:clamp(80px,9vw,118px) 0;scroll-margin-top:24px}.guide-benefits>h2{max-width:650px}.guide-benefits>div{border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);margin-top:55px;display:grid}.guide-benefits article{border-left:1px solid var(--line);min-height:180px;padding:27px clamp(20px,3vw,38px) 10px}.guide-benefits article:first-child{border-left:0;padding-left:0}.guide-benefits h3,.guide-mistakes h3{letter-spacing:-.025em;margin:0;font-size:1rem}.guide-benefits p,.guide-mistakes p,.guide-starter p{color:var(--ink-soft);margin:13px 0 0;font-size:.82rem;line-height:1.7}.guide-mistakes header>p:last-child{color:var(--ink-soft);margin:26px 0 0;font-size:.88rem;line-height:1.7}.guide-mistakes__list article{border-top:1px solid var(--line);grid-template-columns:42px minmax(0,1fr);gap:18px;padding:22px 0;display:grid}.guide-mistakes__list article:last-child{border-bottom:1px solid var(--line)}.guide-mistakes__list article>span{color:var(--wheat);letter-spacing:.06em;font-size:.65rem;font-weight:750}.guide-mistakes__list p{margin-top:8px}.guide-starter{background:var(--olive-deep);color:var(--surface);border-radius:30px;grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);align-items:center;gap:clamp(45px,8vw,100px);padding:clamp(34px,6vw,74px);scroll-margin-top:24px;display:grid}.guide-starter>div:first-child{aspect-ratio:1;background:radial-gradient(circle,#b9823a36,#0000 68%);border:1px solid #fffdf826;border-radius:50%;place-items:center;max-width:230px;display:grid}.guide-starter>div:first-child span{color:#e4bd83;font-variant-numeric:tabular-nums;letter-spacing:-.05em;font-size:clamp(1.8rem,3vw,2.7rem);font-weight:650}.guide-starter h2{font-size:clamp(2.15rem,4vw,4rem);line-height:1}.guide-starter p{color:#fffdf8ad;max-width:650px;font-size:.9rem}.guide-starter>div:last-child>strong{color:#e4bd83;max-width:650px;margin-top:25px;font-size:.78rem;line-height:1.65;display:block}.guide-faq{grid-template-columns:minmax(250px,.72fr) minmax(0,1.28fr);gap:clamp(45px,8vw,100px);padding:clamp(80px,9vw,118px) 0;display:grid}.guide-faq details{border-top:1px solid var(--line);padding:21px 0}.guide-faq details:last-child{border-bottom:1px solid var(--line)}.guide-faq summary{cursor:pointer;grid-template-columns:minmax(0,1fr) auto;gap:20px;font-size:.93rem;font-weight:700;list-style:none;display:grid}.guide-faq summary::-webkit-details-marker{display:none}.guide-faq summary:after{color:var(--wheat);content:"+";font-size:1.15rem;font-weight:500}.guide-faq details[open] summary:after{content:"−"}.guide-faq details p{max-width:650px;color:var(--ink-soft);margin:14px 34px 0 0;font-size:.83rem;line-height:1.7}.guide-closing{background:#e8e4d9;border-radius:30px;padding:clamp(42px,7vw,80px);position:relative;overflow:hidden}.guide-closing:after{content:"";border:1px solid #b9823a40;border-radius:50%;width:420px;height:420px;position:absolute;inset:-190px -100px auto auto}.guide-closing>p{color:var(--apricot);letter-spacing:.08em;text-transform:uppercase;margin:0 0 15px;font-size:.66rem;font-weight:720}.guide-closing h2{z-index:1;max-width:820px;font-size:clamp(2.5rem,5vw,5rem);line-height:.98;position:relative}.guide-closing>span{max-width:650px;color:var(--ink-soft);margin:25px 0 30px;font-size:.88rem;line-height:1.7;display:block}@media (max-width:960px){.hero{min-height:700px;padding:72px 0 116px}.hero-copy{max-width:640px}.hero-visual{inset:0 -24px}.hero-visual:after{background:linear-gradient(90deg,#f7f4edf5 0%,#f7f4eddb 32%,#f7f4ed85 57%,#0000 82%),linear-gradient(#f8f5ef3d 0%,#0000 16% 72%,#f5f2ea 100%)}.calculator-stage{margin-top:16px}.calculator-layout{grid-template-columns:1fr}.calculator-result{position:static}.principles-copy{width:min(680px,68vw)}.guide-hero{grid-template-columns:minmax(0,1fr) minmax(300px,.78fr);gap:38px}.guide-example,.guide-section,.guide-faq{gap:42px}.principles:after{background:linear-gradient(90deg,#f4efe5fc 0%,#f4efe5f0 42%,#f4efe59e 67%,#f4efe52e 100%),linear-gradient(#f2eee5 0%,#0000 15% 84%,#eee8dc 100%)}}@media (max-width:680px){.page-shell{width:min(100% - 24px,1240px)}.site-header{min-height:76px}.brand-logo--compact .brand-symbol{width:41px;height:41px}.brand-wordmark{font-size:.98rem}.site-nav{gap:8px}.site-nav>a:not(.language-switch){display:none}.hero{min-height:690px;padding:48px 0 112px}.segmented-control--target button{padding-inline:5px;font-size:.64rem}h1{font-size:clamp(3.25rem,16vw,5rem)}.hero-actions{flex-direction:column;align-items:flex-start}.hero-visual{inset:0 -12px}.hero-image{object-position:66% 56%}.hero-visual:after{background:linear-gradient(90deg,#f7f4edf7 0%,#f7f4ede6 56%,#f7f4ed94 82%,#f7f4ed52 100%),linear-gradient(#f8f5ef57 0%,#0000 16% 70%,#f5f2ea 100%)}.calculator-stage{margin-top:12px;padding-bottom:62px}.calculation-card{padding:20px 2px 0}.calculator-heading{grid-template-columns:1fr;gap:15px;padding-bottom:22px}.calculator-layout{gap:30px;padding-top:25px}.preset-grid{grid-template-columns:1fr}.preset-grid button{grid-template-columns:minmax(90px,.42fr) 1fr;align-items:center;min-height:56px}.target-choice-grid button{grid-template-columns:1fr;gap:3px;padding-block:11px}.optional-fields summary{grid-template-columns:1fr auto}.formula-block{padding:21px 17px}.formula-block dl>div{gap:9px}.formula-block dd{grid-template-columns:47px minmax(67px,auto);gap:7px}.ratio-strip{margin-top:28px;padding-top:22px}.ratio-strip>div{padding:2px 12px}.beginner-help{grid-template-columns:1fr;gap:38px}.beginner-help__link{grid-column:1;margin-top:-18px}.principles{min-height:0;margin-inline:-12px;padding:350px 24px 54px}.principles:after{background:linear-gradient(#f2eee505 0%,#f2eee52e 27%,#f2eee5f0 48%,#f2eee5 66%,#eee8dc 100%)}.principles-image{object-position:67% top}.principles-copy{width:100%;margin:0;padding:0}.principles-copy>h2{font-size:clamp(2.4rem,12vw,4rem)}.principle-flow{margin-top:38px}.principle-flow article{grid-template-columns:1fr;gap:8px;padding:18px 0 20px}.guide-page{padding-bottom:44px}.guide-hero{grid-template-columns:1fr;gap:45px;padding:54px 0 62px}.guide-hero__copy h1{font-size:clamp(3.1rem,14vw,5.3rem)}.guide-formula{width:min(100%,520px)}.guide-contents{grid-template-columns:1fr;gap:13px}.guide-contents>div{grid-template-columns:1fr 1fr;display:grid}.guide-section,.guide-faq{grid-template-columns:1fr;gap:30px}.guide-example{grid-template-columns:1fr;gap:38px;margin-inline:-12px;padding-inline:24px}.guide-example__conclusion{grid-column:1;margin:0}.guide-benefits>div{grid-template-columns:1fr}.guide-benefits article,.guide-benefits article:first-child{border-bottom:1px solid var(--line);border-left:0;min-height:0;padding:24px 0}.guide-starter{border-radius:23px;grid-template-columns:1fr;gap:35px}.guide-starter>div:first-child{width:150px}}@media (max-width:430px){.field-grid{grid-template-columns:1fr}.formula-block dd{grid-template-columns:1fr;gap:2px}.result-actions{flex-direction:column;align-items:stretch}.segmented-control--target{grid-template-columns:1fr}.segmented-control--target button{min-height:35px}.hydration-choices{grid-template-columns:1fr}.hydration-choices button{grid-template-columns:minmax(105px,.45fr) minmax(0,1fr);align-items:center;min-height:46px}.beginner-help dl>div{grid-template-columns:1fr;gap:9px}.guide-contents>div{grid-template-columns:1fr;gap:10px}.guide-example li{grid-template-columns:1fr auto;gap:5px 18px;padding:13px 0}.guide-example code{grid-area:2/1}.guide-example li strong{grid-area:1/2/span 2}.guide-starter{padding:30px 23px}}@media print{body{background:#fff}.site-header,.hero,.calculator-controls,.ratio-strip,.beginner-help,.principles,footer,.result-actions{display:none!important}.page-shell,.calculator-column{width:100%}.calculator-stage{margin:0}.calculation-card{box-shadow:none;border:0;padding:0}.calculator-heading,.calculator-layout{display:block}.calculator-heading>p{margin:12px 0 24px}.formula-block{-webkit-print-color-adjust:exact;print-color-adjust:exact}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}
