:root{
  --bg:#f6f8fb;--card:#fff;--text:#0f1728;--muted:#5b6474;--line:#dde4ed;
  --accent:#0868c7;--accent-dark:#064f99;--accent-soft:#eaf4ff;--good:#137a47;
  --good-soft:#edf8f2;--warn:#8a5b00;--warn-soft:#fff7e6;--bad:#a33232;--bad-soft:#fff0f0;
  --shadow:0 14px 42px rgba(15,23,40,.06);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--text);background:var(--bg)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#f8fbff 0,#f6f8fb 48%,#fff 100%);min-height:100vh}a{text-decoration:none;color:inherit}.shell{max-width:1160px;margin:auto;padding:0 24px}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid rgba(221,228,237,.95)}.brand{font-weight:900;font-size:1.28rem;letter-spacing:-.025em;white-space:nowrap}.brand span{color:var(--accent)}.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}.nav-link{font-size:.92rem;font-weight:700;color:#394458}.nav-link:hover{color:var(--accent)}.nav-right{display:flex;gap:10px;align-items:center}.pill{border:1px solid var(--line);background:#fff;padding:9px 13px;border-radius:999px;font-weight:750;font-size:.91rem;white-space:nowrap}.pill:hover{border-color:#b7c7da}.hero{padding:78px 0 46px}.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;font-weight:850;color:var(--accent);margin-bottom:14px}.hero h1{font-size:clamp(2.55rem,6vw,5.05rem);line-height:1;letter-spacing:-.058em;max-width:940px;margin:0 0 22px}.hero p{font-size:1.15rem;line-height:1.73;color:var(--muted);max-width:790px;margin:0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:13px 18px;font-weight:800;cursor:pointer;background:var(--accent);color:#fff;font-size:1rem;transition:.15s ease}.btn:hover{background:var(--accent-dark);transform:translateY(-1px)}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}.btn.secondary:hover{background:#f8fafc;border-color:#bdc9d7}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:24px 0 72px}.card{background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow);transition:.16s ease}.card:hover{transform:translateY(-2px);border-color:#c8d5e4}.card h2{font-size:1.27rem;margin:9px 0 10px}.card p{color:var(--muted);line-height:1.62;margin:0}.icon{font-size:1.42rem}.section{padding:28px 0 72px}.section h2{font-size:clamp(1.75rem,3vw,2.45rem);letter-spacing:-.035em;margin:0 0 14px}.section>p{color:var(--muted);line-height:1.7;max-width:800px}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.mini{border:1px solid var(--line);background:#fff;border-radius:16px;padding:19px}.mini strong{display:block;margin-bottom:7px}.mini p{margin:0;color:var(--muted);line-height:1.55;font-size:.94rem}
.tool-wrap{padding:44px 0 82px}.tool-head{max-width:870px}.tool-head h1{font-size:clamp(2.05rem,4.7vw,3.85rem);letter-spacing:-.047em;margin:8px 0 15px}.tool-head p{color:var(--muted);line-height:1.72;font-size:1.08rem}.tool{margin-top:28px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;max-width:870px;box-shadow:var(--shadow)}.field{margin:0 0 18px}.field label{display:block;font-weight:780;margin-bottom:7px}.field small{display:block;color:var(--muted);margin-top:6px;line-height:1.45}.field input,.field select{width:100%;border:1px solid #cbd5e1;border-radius:11px;padding:12px 13px;font:inherit;background:#fff;color:var(--text);outline:none}.field input:focus,.field select:focus{border-color:#6da7df;box-shadow:0 0 0 3px rgba(8,104,199,.09)}.field-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field-row.three{grid-template-columns:repeat(3,1fr)}.result{display:none;margin-top:23px;border-radius:17px;padding:21px;background:var(--accent-soft);border:1px solid #cfe5ff}.result.show{display:block}.result h3{margin:5px 0 11px;font-size:1.23rem}.result h4{margin:20px 0 8px;font-size:1rem}.result p,.result li{line-height:1.62}.result ul,.result ol{padding-inline-start:22px}.result li+li{margin-top:7px}.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--good-soft);color:var(--good);font-size:.79rem;font-weight:850}.score-list{display:grid;gap:10px;margin:14px 0}.score-item{background:#fff;border:1px solid rgba(8,104,199,.14);border-radius:12px;padding:12px 14px}.score-top{display:flex;gap:12px;justify-content:space-between;align-items:flex-start}.score-name{font-weight:820}.likelihood{font-size:.76rem;font-weight:850;border-radius:999px;padding:4px 8px;white-space:nowrap}.likelihood.high{background:var(--bad-soft);color:var(--bad)}.likelihood.medium{background:var(--warn-soft);color:var(--warn)}.likelihood.possible{background:#f1f4f8;color:#566174}.score-reason{color:var(--muted);font-size:.9rem;line-height:1.5;margin-top:5px}.notice{margin-top:20px;color:var(--muted);font-size:.9rem;line-height:1.58}.safety{margin-top:18px;border-inline-start:4px solid var(--warn);background:var(--warn-soft);border-radius:10px;padding:13px 14px;color:#604400;font-size:.91rem;line-height:1.55}.info{margin-top:18px;border-inline-start:4px solid var(--accent);background:#f2f8ff;border-radius:10px;padding:13px 14px;color:#23476e;font-size:.91rem;line-height:1.55}.back{display:inline-block;margin-top:22px;color:var(--accent);font-weight:780}.sep{height:1px;background:var(--line);margin:18px 0}.content{max-width:870px;padding:48px 0 84px}.content h1{font-size:clamp(2.2rem,5vw,4rem);letter-spacing:-.05em;line-height:1.03;margin:8px 0 18px}.content h2{margin:34px 0 10px;font-size:1.45rem}.content p,.content li{line-height:1.75;color:#3f4a5d}.content li+li{margin-top:7px}.content .lead{font-size:1.12rem;color:var(--muted)}.footer{border-top:1px solid var(--line);padding:30px 0 42px;color:var(--muted);font-size:.9rem}.footer-inner{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.footer-links{display:flex;gap:16px;flex-wrap:wrap}.footer-links a:hover{color:var(--accent)}.metric{font-variant-numeric:tabular-nums}.hidden{display:none!important}
[dir="rtl"]{font-family:Tahoma,"Noto Sans Arabic",Arial,sans-serif}.rtl .hero h1,.rtl .tool-head h1,.rtl .content h1{letter-spacing:0}.rtl .eyebrow{letter-spacing:0}.rtl .brand{letter-spacing:0}.rtl .nav-links{margin-left:0;margin-right:auto}
@media(max-width:840px){.nav-links{display:none}.grid,.mini-grid{grid-template-columns:1fr}.hero{padding-top:54px}.field-row,.field-row.three{grid-template-columns:1fr}.nav{min-height:68px}.shell{padding:0 18px}.tool{padding:21px}.footer-inner{flex-direction:column}.hero h1{font-size:clamp(2.4rem,12vw,4rem)}}


/* V1.2 visual / mobile polish */
.hero-split{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(300px,.82fr);gap:48px;align-items:center;padding:72px 0 48px}
.hero-split .hero{padding:0}.hero-visual{position:relative;min-height:360px;display:flex;align-items:center;justify-content:center}
.tech-panel{width:100%;background:linear-gradient(145deg,#fff,#f2f8ff);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow);overflow:hidden;position:relative}
.tech-panel:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(8,104,199,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(8,104,199,.035) 1px,transparent 1px);background-size:22px 22px;pointer-events:none}
.tech-kicker{position:relative;font-size:.73rem;font-weight:850;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:8px}.tech-caption{position:relative;color:var(--muted);font-size:.86rem;line-height:1.5;margin-top:10px}
.cylinder-svg{position:relative;width:100%;height:auto;display:block}.diagram-line{stroke:#0f1728;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}.diagram-soft{stroke:#7aa7cf;stroke-width:2;fill:#eaf4ff}.diagram-accent{stroke:var(--accent);stroke-width:3;fill:#eaf4ff}.diagram-dash{stroke:#7a8798;stroke-width:2;stroke-dasharray:6 6;fill:none}.diagram-label{font:700 12px Inter,system-ui,sans-serif;fill:#445166}.diagram-value{font:800 12px Inter,system-ui,sans-serif;fill:#0868c7}
.tool{max-width:980px}.tool-head{max-width:940px}.result{padding:24px}.result-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0 4px}.result-summary .summary-card{background:#fff;border:1px solid rgba(8,104,199,.14);border-radius:13px;padding:13px}.summary-label{font-size:.75rem;font-weight:850;text-transform:uppercase;letter-spacing:.07em;color:#66758a}.summary-value{display:block;margin-top:5px;font-size:1.03rem;font-weight:850;color:var(--text)}
.result-section{margin-top:18px}.result-section-title{font-size:.79rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:#66758a;margin-bottom:9px}.action-card{background:#fff;border:1px solid rgba(8,104,199,.14);border-radius:13px;padding:14px 15px;margin-top:10px}.action-card strong{display:block;margin-bottom:5px}.action-card p{margin:0;color:#455166}
.score-item details{margin-top:7px}.score-item summary{cursor:pointer;color:var(--accent);font-size:.88rem;font-weight:800;list-style:none}.score-item summary::-webkit-details-marker{display:none}.score-item summary:after{content:' +';font-weight:900}.score-item details[open] summary:after{content:' –'}.score-item details .score-reason{margin-top:7px}
.measure-guide{margin:22px 0 20px;background:#fbfdff;border:1px solid var(--line);border-radius:18px;padding:18px}.measure-guide-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;margin-bottom:14px}.measure-guide h3{margin:0;font-size:1.03rem}.measure-guide p{margin:5px 0 0;color:var(--muted);font-size:.89rem;line-height:1.5}.measure-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}.measure-diagram{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;min-height:190px;display:flex;align-items:center;justify-content:center}.measure-notes{display:grid;gap:8px}.measure-note{background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 12px;font-size:.88rem;line-height:1.45;color:#445166}.measure-note strong{color:var(--text)}
.dimension-chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.dimension-chip{background:#fff;border:1px solid rgba(8,104,199,.18);border-radius:999px;padding:7px 10px;font-weight:800;font-size:.9rem;direction:ltr;unicode-bidi:isolate}.dimension-chip b{color:var(--accent)}
.next-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}.next-action{background:#fff;border:1px solid rgba(8,104,199,.14);border-radius:13px;padding:14px}.next-action strong{display:block;margin-bottom:5px}.next-action p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.5}
.footer{font-size:.94rem;padding-bottom:calc(42px + env(safe-area-inset-bottom))}.footer-links a{display:inline-flex;align-items:center;min-height:38px;padding:5px 1px;font-weight:720}.footer-inner>div:first-child{max-width:670px;line-height:1.55}
.mobile-tools{display:none}.mobile-tools summary{list-style:none}.mobile-tools summary::-webkit-details-marker{display:none}
[dir="rtl"] .dimension-chip{direction:ltr;unicode-bidi:isolate}.rtl .summary-label,.rtl .result-section-title{letter-spacing:0}.rtl .tech-kicker{letter-spacing:0}
@media(max-width:900px){.hero-split{grid-template-columns:1fr;gap:26px;padding:52px 0 36px}.hero-visual{min-height:0}.tech-panel{max-width:620px}.result-summary{grid-template-columns:1fr}.measure-grid{grid-template-columns:1fr}.next-actions{grid-template-columns:1fr}}
@media(max-width:840px){body{padding-bottom:env(safe-area-inset-bottom)}.nav-right{gap:7px}.mobile-tools{display:block;position:relative}.mobile-tools>summary{border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:999px;font-weight:800;font-size:.9rem;cursor:pointer}.mobile-tools[open] .mobile-menu-pop{display:grid}.mobile-menu-pop{display:none;position:absolute;top:46px;inset-inline-end:0;min-width:185px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:7px;z-index:20}.mobile-menu-pop a{padding:10px 11px;border-radius:9px;font-weight:750;font-size:.9rem}.mobile-menu-pop a:hover{background:#f1f6fb}.hero-split .hero h1{font-size:clamp(2.35rem,12vw,4rem)}.tech-panel{padding:17px;border-radius:21px}.tool{padding:20px 17px}.result{padding:18px 15px}.score-top{gap:8px}.score-name{font-size:.95rem}.likelihood{font-size:.7rem}.measure-guide{padding:14px}.measure-diagram{min-height:165px}.dimension-chip{font-size:.85rem;padding:6px 9px}.footer-links{gap:10px 15px}.footer-links a{min-height:42px}.shell{padding-left:18px;padding-right:18px}}
@media(max-width:440px){.brand{font-size:1.15rem}.pill,.mobile-tools>summary{padding:8px 10px;font-size:.84rem}.nav-right{gap:5px}.hero-split{padding-top:38px}.actions .btn{width:100%}.field input,.field select{min-height:46px}.btn{min-height:46px}.tool-head p{font-size:1rem}.tech-caption{font-size:.82rem}}

.machine-verify{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 11px;color:#445166;font-size:.84rem;line-height:1.45}.machine-verify strong{display:block;color:var(--text);margin-bottom:5px}.machine-verify svg{display:block;margin:2px auto 5px;max-height:118px}.machine-verify span{display:block}

/* V1.3 guides, analytics consent, article polish */
.guides-index{padding-block:64px 84px}.guides-index>h1,.article>h1{font-size:clamp(2.35rem,5vw,4.5rem);letter-spacing:-.052em;line-height:1.02;margin:8px 0 18px}.rtl .guides-index>h1,.rtl .article>h1{letter-spacing:0}.article{max-width:920px;padding:48px 24px 90px}.article-meta{font-size:.85rem;color:#778397;margin-bottom:18px}.article-lead{font-size:1.17rem;line-height:1.75;color:var(--muted);max-width:820px}.article h2{font-size:1.55rem;letter-spacing:-.02em;margin:38px 0 12px}.rtl .article h2{letter-spacing:0}.article p,.article li{font-size:1.02rem;line-height:1.82;color:#384559}.article li+li{margin-top:8px}.article ul,.article ol{padding-inline-start:23px}.keybox,.callout{margin:25px 0;border-radius:16px;padding:18px 20px}.keybox{background:#edf8f2;border:1px solid #cfe9dc}.keybox>strong{display:block;color:#125d3b;margin-bottom:8px}.keybox ul{margin:0}.callout{background:#f2f8ff;border:1px solid #cfe5ff;border-inline-start:4px solid var(--accent);color:#2f4e6c}.sources{margin-top:48px;border-top:1px solid var(--line);padding-top:26px}.sources h2{margin-top:0}.sources p{font-size:.91rem;color:var(--muted)}.sources a{color:var(--accent);font-weight:700}.sources a:hover{text-decoration:underline}.article-cta{margin-top:44px;background:linear-gradient(145deg,#fff,#eef7ff);border:1px solid var(--line);border-radius:20px;padding:24px}.article-cta h2{margin:0 0 8px}.article-cta p{margin:0;color:var(--muted)}.compare{width:100%;border-collapse:collapse;margin:20px 0 26px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.compare th,.compare td{padding:12px 13px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top}.compare th{background:#f1f6fb;font-size:.9rem}.compare tr:last-child td{border-bottom:0}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin-top:34px}.guide-card{display:block;background:#fff;border:1px solid var(--line);border-radius:19px;padding:23px;box-shadow:var(--shadow);transition:.15s ease}.guide-card:hover{transform:translateY(-2px);border-color:#bed0e4}.guide-card h2{font-size:1.27rem;margin:9px 0 10px;line-height:1.25}.guide-card p{color:var(--muted);line-height:1.62;margin:0 0 16px}.guide-tag{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:850}.rtl .guide-tag{letter-spacing:0}.guide-read{font-size:.9rem;font-weight:800;color:var(--accent)}.section-head-row{display:flex;justify-content:space-between;align-items:end;gap:20px}.section-head-row p{color:var(--muted);max-width:690px;line-height:1.65;margin-bottom:0}.text-link{color:var(--accent);font-weight:800;white-space:nowrap}.guide-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.guide-mini-grid a{background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px}.guide-mini-grid strong{display:block;margin-bottom:6px}.guide-mini-grid span{display:block;color:var(--muted);font-size:.91rem;line-height:1.5}.consent{position:fixed;inset:auto 16px 16px 16px;max-width:720px;margin:auto;background:#111827;color:#fff;border-radius:16px;padding:16px 17px;box-shadow:0 18px 50px rgba(0,0,0,.25);z-index:9999}.consent.show{display:flex!important;gap:16px;align-items:center;justify-content:space-between}.consent-copy{font-size:.87rem;line-height:1.48;color:#e5e7eb}.consent-copy a{color:#93c5fd;text-decoration:underline}.consent-actions{display:flex;gap:8px;flex-wrap:wrap;flex-shrink:0}.consent button{border:0;border-radius:10px;padding:9px 12px;font-weight:800;cursor:pointer}.consent .allow{background:#3b82f6;color:#fff}.consent .reject{background:#fff;color:#111827}
@media(max-width:840px){.shell.guides-index{padding-inline:18px}.guide-grid{grid-template-columns:1fr}.guide-mini-grid{grid-template-columns:1fr}.section-head-row{align-items:flex-start;flex-direction:column}.article{padding-left:18px;padding-right:18px}.article>h1{font-size:clamp(2.25rem,11vw,3.5rem)}.article p,.article li{font-size:1rem}.compare{font-size:.86rem}.compare th,.compare td{padding:10px}.consent.show{align-items:flex-start;flex-direction:column}.consent-actions{width:100%}.consent button{flex:1}.guides-index{padding-top:45px}}


/* V1.6 conversion foundation */
@media(min-width:841px){.nav-links{gap:17px}.nav-link{font-size:.89rem}}
.custom-home{display:flex;align-items:center;justify-content:space-between;gap:26px;margin:0 0 34px;padding:24px 26px;background:linear-gradient(135deg,#0c3157,#0868c7);border-radius:20px;color:#fff;box-shadow:var(--shadow)}.custom-home .eyebrow{color:#a9d2ff;margin-bottom:7px}.custom-home h2{margin:0 0 8px;font-size:1.5rem}.custom-home p{margin:0;color:#e1efff;line-height:1.58;max-width:760px}.custom-home .btn.secondary{flex-shrink:0;background:#fff}
.custom-page{max-width:1020px;padding:48px 24px 92px}.custom-page>h1{font-size:clamp(2.45rem,5.2vw,4.7rem);line-height:1.02;letter-spacing:-.052em;margin:8px 0 18px}.rtl.custom-page>h1,.rtl .custom-page>h1{letter-spacing:0}.custom-lead{font-size:1.16rem;line-height:1.75;color:var(--muted);max-width:850px}.status-banner{display:grid;gap:5px;margin:28px 0;background:#fff7e6;border:1px solid #f0d695;border-inline-start:5px solid #b37a00;border-radius:15px;padding:16px 18px}.status-banner strong{color:#6c4800}.status-banner span{color:#66583f;line-height:1.55;font-size:.94rem}.custom-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:30px 0 44px}.custom-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.custom-card h2{font-size:1.16rem;margin:5px 0 8px}.custom-card p{margin:0;color:var(--muted);line-height:1.65}.step-num{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:9px;background:var(--accent-soft);color:var(--accent);font-weight:900}.quote-check{margin:38px 0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px}.quote-check h2{font-size:1.75rem;margin:0}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}.check-grid>div{border:1px solid var(--line);background:#fafdff;border-radius:13px;padding:14px}.check-grid strong{display:block;margin-bottom:5px}.check-grid span{display:block;color:var(--muted);font-size:.91rem;line-height:1.52}.custom-cta{margin-top:34px}.transparency-note{margin-top:20px;border-top:1px solid var(--line);padding-top:20px;color:var(--muted)}.transparency-note strong{color:var(--text)}.transparency-note p{line-height:1.65}.quote-cta{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:18px;background:#fff;border:1px solid rgba(8,104,199,.17);border-radius:14px;padding:15px}.quote-cta strong{display:block;margin-bottom:4px}.quote-cta p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.5}.quote-cta .btn{flex-shrink:0;font-size:.9rem;padding:10px 13px}.content a:not(.btn):not(.back),.article a:not(.btn):not(.back),.mini a{color:var(--accent);font-weight:700}.content a:not(.btn):hover,.article a:not(.btn):hover{text-decoration:underline}
@media(max-width:840px){.custom-home{align-items:flex-start;flex-direction:column;padding:20px}.custom-home .btn{width:100%}.custom-page{padding-left:18px;padding-right:18px;padding-top:42px}.custom-grid,.check-grid{grid-template-columns:1fr}.quote-check{padding:19px}.quote-cta{align-items:flex-start;flex-direction:column}.quote-cta .btn{width:100%}}


/* V1.7 contact + email conversion foundation */
.contact-page{max-width:1020px;padding:48px 24px 92px}.contact-page>h1{font-size:clamp(2.45rem,5.2vw,4.7rem);line-height:1.02;letter-spacing:-.052em;margin:8px 0 18px}.rtl.contact-page>h1,.rtl .contact-page>h1{letter-spacing:0}.contact-lead{font-size:1.16rem;line-height:1.75;color:var(--muted);max-width:850px}.contact-primary{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:18px;margin:30px 0}.contact-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.contact-card h2{margin:0 0 9px;font-size:1.35rem}.contact-card p{color:var(--muted);line-height:1.65}.email-address{display:inline-flex;align-items:center;gap:9px;color:var(--accent);font-weight:900;font-size:clamp(1.05rem,2vw,1.3rem);word-break:break-all;margin:7px 0 11px}.contact-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:17px}.contact-actions .btn{font-size:.92rem}.contact-topics{display:grid;gap:11px;margin-top:17px}.contact-topic{border:1px solid var(--line);border-radius:14px;padding:15px;background:#fbfdff}.contact-topic strong{display:block;margin-bottom:5px}.contact-topic span{display:block;color:var(--muted);line-height:1.52;font-size:.91rem}.contact-topic a{display:inline-block;color:var(--accent);font-weight:800;margin-top:9px}.contact-note{border-inline-start:4px solid var(--accent);background:#f2f8ff;border-radius:13px;padding:15px 17px;color:#315170;line-height:1.6}.contact-note.warning{border-inline-start-color:var(--warn);background:var(--warn-soft);color:#654b18}.contact-list{padding-inline-start:20px;color:#3f4a5d;line-height:1.75}.contact-list li+li{margin-top:7px}.contact-strip{max-width:980px;margin:24px 0 0;background:linear-gradient(145deg,#fff,#eef7ff);border:1px solid var(--line);border-radius:18px;padding:19px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.contact-strip h2{font-size:1.13rem;margin:0 0 5px}.contact-strip p{margin:0;color:var(--muted);line-height:1.55;font-size:.92rem}.contact-strip .btn{flex-shrink:0;font-size:.9rem;padding:10px 13px}.copy-status{min-height:1.3em;color:var(--good);font-weight:750;font-size:.86rem;margin-top:7px}.email-inline{direction:ltr;unicode-bidi:isolate;white-space:nowrap}
@media(max-width:840px){.contact-page{padding-left:18px;padding-right:18px;padding-top:42px}.contact-primary{grid-template-columns:1fr}.contact-strip{align-items:flex-start;flex-direction:column}.contact-strip .btn{width:100%}.contact-actions .btn{width:100%}.email-address{font-size:1rem}}


/* V1.8 growth + share layer */
.growth-feature{margin:30px 0 8px;padding:24px;border-radius:22px;background:linear-gradient(145deg,#0c3157,#0868c7);color:#fff;box-shadow:var(--shadow)}
.growth-feature .eyebrow{color:#b9dbff}.growth-feature h2{font-size:1.65rem;margin:5px 0 8px}.growth-feature>p{color:#e5f1ff;line-height:1.65;max-width:820px}
.growth-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}.growth-feature-grid a{display:block;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:15px;padding:16px;color:#fff}.growth-feature-grid a:hover{background:rgba(255,255,255,.15)}.growth-feature-grid strong{display:block;margin-bottom:5px}.growth-feature-grid span{display:block;color:#dcecff;font-size:.9rem;line-height:1.5}.hot-tag{display:inline-flex;align-items:center;border-radius:999px;background:#eaf4ff;color:#0868c7;font-size:.73rem;font-weight:900;padding:5px 9px;text-transform:uppercase;letter-spacing:.05em}.rtl .hot-tag{letter-spacing:0}
.failure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:20px 0 28px}.failure-card{border:1px solid var(--line);border-radius:16px;padding:17px;background:#fff}.failure-card h3{margin:0 0 8px;font-size:1.08rem}.failure-card p{margin:0 0 9px!important;font-size:.95rem!important;line-height:1.58!important}.failure-card ul{margin:0;padding-inline-start:19px}.failure-card li{font-size:.91rem!important;line-height:1.55!important}.quick-answer{margin:22px 0;padding:19px 21px;border-radius:16px;background:#edf8f2;border:1px solid #cfe9dc;border-inline-start:5px solid var(--good)}.quick-answer strong{display:block;color:#125d3b;margin-bottom:7px}.quick-answer p{margin:0!important;color:#315145!important}.share-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:22px 0}.share-bar .btn{font-size:.9rem;padding:10px 13px}.copy-status-inline{color:var(--good);font-size:.86rem;font-weight:800;min-height:1.2em}.result-growth{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.related-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:11px}.related-guide-grid a{display:block;border:1px solid var(--line);border-radius:13px;padding:13px;background:#fff}.related-guide-grid strong{display:block;color:var(--text);font-size:.92rem;margin-bottom:4px}.related-guide-grid span{display:block;color:var(--muted);font-size:.82rem;line-height:1.45}.share-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:14px}.share-actions .btn{font-size:.86rem;padding:9px 12px}.trend-note{font-size:.87rem;color:var(--muted);line-height:1.55}
@media(max-width:840px){.growth-feature{padding:20px}.growth-feature-grid,.failure-grid,.related-guide-grid{grid-template-columns:1fr}.share-actions .btn,.share-bar .btn{width:100%}}

.community-nav{font-weight:700}
.community-cta{margin:2rem 0;padding:1.25rem;border:1px solid #bdd6ee;border-radius:16px;background:linear-gradient(180deg,#f8fbff,#eef7ff);display:flex;gap:1rem;align-items:center;justify-content:space-between;flex-wrap:wrap}
.community-cta h2,.community-cta h3{margin:.1rem 0 .35rem}.community-cta p{margin:0;max-width:760px;color:#38556f}.community-cta .btn{white-space:nowrap}.community-note{font-size:.88rem;color:#567086;margin-top:.4rem}.community-home{margin-top:1.5rem}
@media(max-width:720px){.community-cta{align-items:flex-start}.community-cta .btn{width:100%;text-align:center}}

/* v1.14 contextual related guides */
.related-guides{margin:2.25rem 0;padding:1.25rem 1.25rem 1.3rem;border:1px solid var(--line,#d9e4ee);border-radius:18px;background:#f8fbfe}.related-guides h2{margin:0 0 1rem;font-size:1.35rem}.related-guides-grid{display:grid;grid-template-columns:1fr;gap:.75rem}.related-guides-grid a{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:58px;padding:.9rem 1rem;border:1px solid #d9e4ee;border-radius:12px;background:#fff;color:var(--accent,#0868c7);text-decoration:none;font-weight:750;line-height:1.4;transition:border-color .15s ease,background .15s ease,transform .15s ease}.related-guides-grid a::after{content:"→";flex:0 0 auto;font-size:1.1rem;font-weight:900;color:var(--accent,#0868c7)}[dir="rtl"] .related-guides-grid a::after{content:"←"}.related-guides-grid a:hover{background:#f3f8fd;border-color:#b9d1e7;transform:translateY(-1px)}.related-guides-grid a:focus-visible{outline:3px solid rgba(8,104,199,.2);outline-offset:2px}.v114-extra{margin:1.7rem 0}@media(max-width:760px){.related-guides{padding:1rem}.related-guides-grid a{align-items:flex-start;min-height:0;padding:.85rem .9rem;font-size:.96rem}}

/* Additive layer. Related Guides v1.14.1 and all original visuals remain intact. */
:root{scroll-padding-top:1.25rem}
.v115-searchbar{display:flex;align-items:center;gap:.6rem;padding:.8rem 0;max-width:760px;margin-inline:auto}
.v115-searchbar label{font-weight:700;white-space:nowrap;font-size:.85rem}
.v115-searchbar input{flex:1;min-width:0;width:auto;border:1px solid #a9bed2;border-radius:9px;background:#fff;padding:.7rem;color:#15324b;font:inherit}
.v115-searchbar button,.v115-checker button,.v115-copy-case,.v115-feedback button{border:1px solid #0868c7;border-radius:8px;padding:.65rem .9rem;background:#0868c7;color:white;font:inherit;cursor:pointer;min-height:44px}
.v115-toc{border:1px solid #c6d8e7;border-radius:12px;background:#f5f9fd;margin:1rem 0 1.7rem;padding:.8rem 1rem}
.v115-toc summary{font-weight:700;cursor:pointer;min-height:28px}
.v115-toc ol{columns:2;column-gap:2rem;margin-block:.8rem .25rem;padding-inline-start:1.3rem}
.v115-toc li{break-inside:avoid;margin-block:.45rem;line-height:1.5}
.v115-library,.v115-detail,.v115-feedback{margin-block:1.7rem;padding:1.3rem;border:1px solid #d4e1ed;border-radius:16px;background:#fff}
.v115-library .related-guides-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}
.v115-library .related-guides-grid a{display:block;padding:1rem;border:1px solid #d4e1ed;border-radius:10px;text-decoration:none;font-weight:650;line-height:1.5;background:#f8fbfe}
.v115-case-prep{flex-basis:100%;min-width:0}
.community-cta{flex-wrap:wrap}
.v115-case-prep p{max-width:76ch}
.v115-copy-status{display:block;margin-block:.5rem;font-size:.9rem}
.v115-case-prep textarea{width:100%;min-height:180px}
.v115-feedback h2{font-size:1.15rem;margin-block:0 .5rem}
.v115-feedback p{font-size:.9rem}
.v115-feedback button{background:white;color:#07559f}
.v115-feedback button[aria-pressed=true]{background:#0868c7;color:white}
.v115-privacy{border:0;background:transparent;color:inherit;text-decoration:underline;cursor:pointer;font:inherit;min-height:44px}
.v115-checker{display:grid;gap:.65rem;max-width:620px;padding:1.2rem;background:#edf6fd;border-radius:12px}
.v115-checker label{font-weight:650}
.v115-checker select{min-width:0;width:100%;padding:.75rem;border:1px solid #a9bed2;border-radius:8px;background:#fff;color:#15324b;font:inherit}
.v115-check-result:not(:empty){padding:1rem;border-inline-start:4px solid #0868c7;background:#edf6fd}
.v115-search-result{padding:1rem 0;border-bottom:1px solid #d4e1ed}
.v115-search-result h2{font-size:1.2rem;margin:0 0 .5rem}
:where(a,button,input,select,summary):focus-visible{outline:3px solid #d17400;outline-offset:3px}
.article h1{overflow-wrap:anywhere}
.article .sources a{overflow-wrap:anywhere}
@media(max-width:680px){.v115-searchbar{flex-wrap:wrap;gap:.5rem}.v115-searchbar label{flex-basis:100%}.v115-library .related-guides-grid{grid-template-columns:1fr}.v115-toc ol{columns:1}.v115-library,.v115-detail,.v115-feedback{padding:1rem}.community-cta{display:flex;flex-direction:column;align-items:stretch}.community-cta .btn{text-align:center}.v115-checker{padding:.8rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{transition:none!important;animation:none!important}}
@media(max-width:420px){.nav{gap:8px}.nav .brand{font-size:1rem}.nav-right{gap:4px}.nav .pill,.mobile-tools>summary{padding-inline:8px;min-height:44px;display:flex;align-items:center}.nav-right{min-width:0}}

.article-review{margin:-8px 0 20px;font-size:.88rem;line-height:1.55;color:#64748b}.article-review strong{color:#334155}.article-review a{font-weight:700}

.skip-link{position:absolute;inset-inline-start:1rem;top:-6rem;z-index:9999;background:#fff;color:#064f9d;padding:.8rem 1rem;border:2px solid #0868c7;border-radius:.5rem}.skip-link:focus{top:.5rem}
:focus-visible{outline:3px solid #0868c7;outline-offset:4px}
.worksheet-intro{padding:1.4rem;background:#eaf4ff;border:1px solid #c9dff3;border-radius:1rem;margin:1.5rem 0}
.worksheet-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.worksheet-grid label{display:block;font-weight:650}.worksheet-grid input,.worksheet-notes textarea{display:block;box-sizing:border-box;width:100%;padding:.8rem;border:1px solid #9db2c7;border-radius:.5rem;font:inherit;background:white;color:#132b42}.worksheet-grid small{display:block;font-weight:400;margin-top:.3rem}.worksheet-notes textarea{min-height:9rem;resize:vertical}.worksheet-actions{display:flex;flex-wrap:wrap;gap:.65rem;margin:1rem 0}.worksheet-result:not(:empty){margin:1.5rem 0;padding:1rem;border:1px solid #b4cbdc;border-radius:.8rem;background:#f5faff}.worksheet-result table{width:100%;border-collapse:collapse;font-size:.95rem}.worksheet-result th,.worksheet-result td{padding:.7rem .4rem;border-bottom:1px solid #c9d8e5;text-align:start}.worksheet-result caption{text-align:start;margin-bottom:.8rem}.worksheet-warning{border-inline-start:4px solid #9a5400;padding-inline-start:.8rem}.worksheet-notes{margin:1.6rem 0}.formula{direction:ltr;text-align:start;overflow-wrap:anywhere}.quality-section{margin:1.8rem 0}.quality-section h2{margin-top:0}
@media(max-width:600px){.worksheet-grid{grid-template-columns:1fr}.worksheet-result{padding:.6rem}.worksheet-result table{font-size:.82rem}.worksheet-result th,.worksheet-result td{padding:.6rem .25rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media print{nav,.v115-searchbar,.footer,.consent,.worksheet-actions,.skip-link,.back,.worksheet-reading{display:none!important}.shell{max-width:none!important;padding:0!important}.worksheet-grid{grid-template-columns:repeat(3,1fr)}.worksheet-result{break-inside:avoid;background:#fff!important}.worksheet-notes textarea{border:1px solid #777;min-height:6rem}body{background:white!important;color:black!important;font-size:11pt}main{margin:0!important}h1{font-size:22pt!important}h2{font-size:15pt!important}a{color:black!important}}

.worksheet-print-notes{display:none;white-space:pre-wrap;overflow-wrap:anywhere}
@media print{.worksheet-notes textarea{display:none}.worksheet-print-notes{display:block}}

/* Measured Lighthouse contrast failure on the consent action. */
.consent .allow{background:#1d4ed8;color:#fff}.consent>button{min-height:44px}.article-meta{color:#566174}