/* ================================================================
   aamp Design System v1 — marketing site
   Monochrome / hairline / mono-labelled. Achromatic accent.
   ================================================================ */

:root{
  --ink:#0A0A0A; --ink-2:#1F1F1F; --muted:#6B6B6B; --muted-2:#9A9A9A;
  --line:#E6E6E6; --line-2:#F1F1F1; --paper:#FFFFFF; --paper-2:#FAFAF7; --paper-3:#F5F5F2;
  --accent:#0A0A0A;                 /* achromatic: accent resolves to ink */
  --font-sans:'Geist',-apple-system,system-ui,"Helvetica Neue",Arial,sans-serif;
  --font-mono:'Geist Mono',ui-monospace,"SF Mono",Menlo,monospace;
  --container:1280px; --gutter:24px; --radius:4px; --nav-h:64px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px)}
body{background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-feature-settings:"ss01" on,"cv11" on;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.5}
a{color:inherit;text-decoration:none}
a:hover{color:var(--ink)}
button{font:inherit;cursor:pointer}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}

/* ---------- type ---------- */
.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:var(--muted);font-weight:500;display:inline-flex;align-items:center;gap:10px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 4px rgba(10,10,10,0.08)}
h1,h2,h3,h4{font-family:var(--font-sans);font-weight:500;letter-spacing:-0.025em;line-height:1.05;margin:0;color:var(--ink);text-wrap:balance}
p{margin:0;text-wrap:pretty}

/* ---------- nav ---------- */
.nav-wrap{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.78);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between}
.wordmark{display:inline-flex;align-items:baseline;font-family:var(--font-sans);letter-spacing:-0.05em;color:var(--ink);line-height:1}
.wordmark span{display:inline-block}
.wm-a1{font-weight:100;font-size:22px}
.wm-a2{font-weight:300;font-size:24px}
.wm-m{font-weight:600;font-size:27px}
.wm-p{font-weight:900;font-size:30px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;color:var(--ink-2);font-weight:500;letter-spacing:-0.005em}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a.active{text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;letter-spacing:-0.005em;border:1px solid transparent;transition:120ms ease;white-space:nowrap}
.btn-ghost{color:var(--ink)}
.btn-ghost:hover{color:var(--muted)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--ink-2)}
.btn-lg{padding:13px 22px;font-size:15px}
.btn .arrow{transition:transform 200ms}
.btn:hover .arrow{transform:translateX(2px)}
@media (max-width:820px){.nav-links{display:none}}

/* ---------- echo signature ---------- */
.echo-sig{position:absolute;display:flex;align-items:baseline;pointer-events:none;user-select:none;z-index:1}
.echo-sig span{font-family:var(--font-sans);font-size:360px;line-height:1;letter-spacing:-0.05em;color:var(--ink);display:inline-block}
.echo-sig .e1{font-weight:200;opacity:0.04;transform:translateX(80px)}
.echo-sig .e2{font-weight:400;opacity:0.05;transform:translateX(60px)}
.echo-sig .e3{font-weight:700;opacity:0.06;transform:translateX(30px)}
.echo-sig .e4{font-weight:900;opacity:0.07}
.echo-corner{position:absolute;right:-10px;bottom:-40px;pointer-events:none;user-select:none;z-index:1;display:flex;align-items:baseline}
.echo-corner span{font-size:200px;line-height:1;letter-spacing:-0.05em;color:var(--ink);display:inline-block}
.echo-corner .e1{font-weight:200;opacity:0.04;transform:translateX(40px)}
.echo-corner .e2{font-weight:400;opacity:0.05;transform:translateX(28px)}
.echo-corner .e3{font-weight:700;opacity:0.06;transform:translateX(14px)}
.echo-corner .e4{font-weight:900;opacity:0.07}
.echo-corner.on-dark span{color:var(--paper)}

/* ---------- hero ---------- */
.hero{position:relative;padding:66px 0 64px;border-bottom:1px solid var(--line);overflow:hidden}
.hero .echo-sig{right:-40px;top:40px}
.hero-grid{position:relative;z-index:2}
.hero-main{display:flex;flex-direction:column;align-items:flex-start}
.hero-lede{margin-top:30px;padding-top:26px;border-top:1px solid var(--line);font-size:19px;line-height:1.5;color:var(--ink-2);max-width:68ch;align-self:stretch}
.hero-lede strong{font-weight:600;color:var(--ink)}
.hero-tagline{margin-top:26px;font-family:var(--font-mono);font-size:12px;letter-spacing:0.06em;color:var(--muted)}
.brief-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:40px}
.brief-card{background:var(--paper-2);padding:26px 28px 28px;display:flex;flex-direction:column;gap:10px}
.brief-card .k{font-family:var(--font-mono);font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted)}
.brief-card p{font-size:16px;line-height:1.45;color:var(--ink-2);letter-spacing:-0.005em}
@media (max-width:820px){.brief-grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(46px,6.6vw,92px);line-height:0.97;letter-spacing:-0.044em;font-weight:400;margin-top:26px;max-width:16ch}
.hero h1 .line{display:block}
.hero h1 .l1{font-weight:200}
.hero h1 .l2{font-weight:800}
.hero-sub-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:52px;padding-top:32px;border-top:1px solid var(--line)}
.hero-sub-grid .col{display:flex;flex-direction:column;gap:12px;max-width:40ch}
.hero-sub-grid .k{font-family:var(--font-mono);font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted)}
.hero-sub-grid .v{font-size:19px;font-weight:400;letter-spacing:-0.01em;line-height:1.35;color:var(--ink-2)}
.hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
@media (max-width:820px){.hero-sub-grid{grid-template-columns:1fr;gap:24px} .hero .echo-sig{display:none}}

/* ---------- page header (interior pages) ---------- */
.page-head{position:relative;padding:80px 0 64px;border-bottom:1px solid var(--line);overflow:hidden}
.page-head .echo-sig{font-size:0}
.page-head-grid{position:relative;z-index:2}
.page-head h1{font-size:clamp(40px,5.6vw,76px);letter-spacing:-0.04em;font-weight:400;margin-top:28px;max-width:18ch}
.page-head h1 strong{font-weight:800}
.page-head .lede{margin-top:32px;font-size:20px;line-height:1.45;color:var(--muted);max-width:56ch}
.page-head .lede + .lede{margin-top:18px}
.page-head .head-cta{display:flex;gap:12px;margin-top:40px;flex-wrap:wrap}

/* ---------- intro statement ---------- */
.intro{padding:72px 0 84px;border-bottom:1px solid var(--line);background:var(--paper-2)}
.intro-grid{display:grid;grid-template-columns:160px 1fr;gap:48px;align-items:start}
.intro-tag{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:0.16em;text-transform:uppercase;padding-top:8px;border-top:1px solid var(--ink);width:100px}
.intro-body{font-size:clamp(21px,2.3vw,29px);line-height:1.32;letter-spacing:-0.02em;color:var(--ink);font-weight:400;max-width:40ch;text-wrap:balance}
.intro-body strong{font-weight:600}
.intro-tagline{grid-column:2;margin-top:24px;font-family:var(--font-mono);font-size:13px;color:var(--muted);letter-spacing:0.02em;max-width:60ch;padding-top:20px;border-top:1px solid var(--line)}
@media (max-width:820px){.intro-grid{grid-template-columns:1fr;gap:16px} .intro-tagline{grid-column:1}}

/* ---------- section primitive ---------- */
.section{padding:76px 0;border-bottom:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:200px 1fr;column-gap:44px;row-gap:0;margin-bottom:40px;align-items:start}
.section-head.stacked{grid-template-columns:1fr;gap:20px}
.section-num{font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:0.12em;text-transform:uppercase;padding-top:8px;border-top:1px solid var(--ink);display:block;width:max-content;min-width:120px}
.section-head h2{font-size:clamp(30px,3.6vw,44px);letter-spacing:-0.033em;font-weight:400;max-width:24ch}
.section-head .sub{grid-column:2;margin-top:14px;font-size:16px;line-height:1.55;color:var(--ink-2);max-width:64ch}
.section-head h2 strong{font-weight:700}
.section-head .sub{margin-top:20px;font-size:17px;color:var(--muted);line-height:1.5;max-width:52ch}
@media (max-width:820px){.section{padding:60px 0} .section-head{grid-template-columns:1fr;column-gap:0;row-gap:16px;margin-bottom:32px} .section-head .sub{grid-column:1;margin-top:0}}

/* ---------- WHY / WHEN cards ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.why-card{padding:24px 26px 26px 0;border-top:1px solid var(--ink);display:flex;flex-direction:column;gap:12px;min-height:auto}
.why-card .when{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:0.14em;text-transform:uppercase}
.why-card .text{font-size:19px;line-height:1.3;font-weight:400;letter-spacing:-0.015em;color:var(--ink);text-wrap:balance}
.why-card .text strong{font-weight:600}
.why-card.feature{background:var(--ink);color:var(--paper);border-top-color:var(--ink);padding:32px 28px 36px 28px;margin-left:-1px}
.why-card.feature .when{color:var(--muted-2)}
.why-card.feature .text{color:var(--paper)}
@media (max-width:820px){.why-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.why-grid{grid-template-columns:1fr} .why-card.feature{margin-left:0}}

/* ---------- pillar / security card grids ---------- */
.sec-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.sec-grid-3{grid-template-columns:repeat(3,1fr)}
.sec-grid-2{grid-template-columns:1fr 1fr;margin-top:16px}
.sec-card{background:var(--paper);padding:28px 28px 30px;display:flex;flex-direction:column;gap:12px;min-height:auto}
.sec-card .k{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:0.16em;text-transform:uppercase}
.sec-card h3{font-size:24px;font-weight:500;letter-spacing:-0.02em;line-height:1.12}
.sec-card p{font-size:14.5px;color:var(--muted);line-height:1.55}
.sec-card p strong{color:var(--ink);font-weight:500}
.sec-list{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:10px}
.sec-list li{font-size:13.5px;line-height:1.5;color:var(--muted);padding-left:16px;position:relative}
.sec-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:1px;background:var(--ink)}
.sec-list code{font-family:var(--font-mono);font-size:12px;background:var(--paper-3);padding:1px 5px;border-radius:3px;color:var(--ink)}
.sec-list-tight li{font-size:13px}
.sec-planes{list-style:none;padding:0;margin:8px 0 0;display:flex;flex-direction:column;gap:8px}
.sec-planes li{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:baseline;padding:11px 14px;border:1px solid var(--line);border-radius:3px;background:var(--paper-2)}
.sec-planes li .pl{font-family:var(--font-mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink)}
.sec-planes li .pd{font-size:13px;color:var(--muted);line-height:1.4}
.sec-summary{margin-top:32px;padding:30px 34px;background:var(--ink);color:var(--paper);border-radius:var(--radius);font-size:19px;font-weight:400;letter-spacing:-0.015em;line-height:1.4;display:flex;align-items:center;gap:28px}
.sec-summary .label{font-family:var(--font-mono);font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted-2);white-space:nowrap}
@media (max-width:820px){.sec-grid-3,.sec-grid-2{grid-template-columns:1fr} .sec-summary{flex-direction:column;align-items:flex-start;gap:14px}}

/* pillar variant: bigger headline cards */
.pillar-card h3{font-size:26px;line-height:1.15}
.pillar-card .lead{font-size:16px;color:var(--ink);font-weight:400;letter-spacing:-0.01em;line-height:1.3}

/* ---------- feature / building blocks grid ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.feat-card{background:var(--paper);padding:28px 26px 32px;display:flex;flex-direction:column;gap:12px;min-height:190px}
.feat-card .n{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:0.14em}
.feat-card h4{font-size:19px;font-weight:500;letter-spacing:-0.015em;line-height:1.15}
.feat-card p{font-size:14px;color:var(--muted);line-height:1.55}
@media (max-width:820px){.feat-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.feat-grid{grid-template-columns:1fr}}

/* ---------- cost cards (labelled) ---------- */
.cost-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cost-card{background:var(--paper);padding:32px 30px;display:flex;flex-direction:column;gap:12px;min-height:180px}
.cost-card .k{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:0.14em;text-transform:uppercase}
.cost-card h4{font-size:22px;font-weight:500;letter-spacing:-0.02em}
.cost-card p{font-size:14.5px;color:var(--muted);line-height:1.55}
@media (max-width:640px){.cost-grid{grid-template-columns:1fr}}

/* ---------- use cases ---------- */
.uc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.uc-card{border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 28px;display:flex;flex-direction:column;gap:14px;background:var(--paper);transition:160ms ease;min-height:auto}
.uc-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.uc-card .quote{font-size:22px;font-weight:400;letter-spacing:-0.02em;line-height:1.2;color:var(--ink)}
.uc-card .quote::before{content:"\201C";color:var(--ink);margin-right:2px}
.uc-card .answer{margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);font-size:14px;color:var(--muted);line-height:1.5}
.uc-card .answer strong{color:var(--ink);font-weight:500}
.uc-foot{margin-top:24px;padding:22px 24px;background:var(--paper-2);border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-family:var(--font-mono);font-size:12px;letter-spacing:0.06em;color:var(--ink)}
.uc-foot .right{color:var(--muted)}
@media (max-width:820px){.uc-grid{grid-template-columns:1fr}}

/* ---------- start / doors ---------- */
.start-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.start-step{padding:36px 28px 36px 0;border-top:1px solid var(--ink);display:flex;flex-direction:column;gap:12px}
.start-step + .start-step{padding-left:28px}
.start-step .num{font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:0.16em;text-transform:uppercase}
.start-step h3{font-size:28px;font-weight:500;letter-spacing:-0.025em}
.start-step p{font-size:15px;color:var(--muted);line-height:1.5;max-width:34ch}
.start-step .req{margin-top:4px;font-size:13px;color:var(--muted);line-height:1.6}
.start-step .req .rk{font-family:var(--font-mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink);display:block;margin-bottom:6px}
.start-step .req .rl{padding-left:14px;position:relative}
.start-step .req .rl::before{content:"";position:absolute;left:0;top:9px;width:6px;height:1px;background:var(--ink)}
.start-step .cta{margin-top:auto;padding-top:20px;align-self:flex-start}
@media (max-width:820px){.start-grid{grid-template-columns:1fr} .start-step + .start-step{padding-left:0}}

/* ---------- router table (get started) ---------- */
.router{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:8px}
.router .rr{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.router .rr:first-child{border-top:none}
.router .rc{padding:18px 24px}
.router .rc.if{color:var(--muted);font-size:15px;background:var(--paper-2);display:flex;align-items:center}
.router .rc.go{font-size:15px;color:var(--ink);display:flex;align-items:center;gap:10px}
.router .rc.go .badge{font-family:var(--font-mono);font-size:11px;letter-spacing:0.1em;background:var(--ink);color:var(--paper);padding:3px 8px;border-radius:3px}
@media (max-width:640px){.router .rr{grid-template-columns:1fr} .router .rc.if{border-bottom:1px solid var(--line)}}

/* ---------- contact form ---------- */
.contact{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start}
.contact .aside .k{font-family:var(--font-mono);font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted);padding-top:8px;border-top:1px solid var(--ink);display:block;width:120px;margin-bottom:20px}
.contact .aside p{font-size:15px;color:var(--muted);line-height:1.55;max-width:32ch}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-family:var(--font-mono);font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{font-family:var(--font-sans);font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;transition:border-color 120ms ease}
.field textarea{resize:vertical;min-height:104px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;margin-top:4px}
.form-note{font-size:13px;color:var(--muted)}
@media (max-width:820px){.contact{grid-template-columns:1fr;gap:32px} .form-grid{grid-template-columns:1fr}}

/* ---------- sub-nav (product) ---------- */
.subnav-wrap{position:sticky;top:var(--nav-h);z-index:40;background:rgba(255,255,255,0.86);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.subnav{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none}
.subnav::-webkit-scrollbar{display:none}
.subnav a{font-family:var(--font-mono);font-size:11px;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted);padding:6px 12px;border-radius:3px;white-space:nowrap}
.subnav a:hover{color:var(--ink);background:var(--paper-3)}

/* ---------- comparison table (signature component) ---------- */
.cmp-note{font-family:var(--font-mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted-2);margin-bottom:12px;display:none}
.cmp-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto;overflow-y:visible;-webkit-overflow-scrolling:touch}
.cmp{border-collapse:separate;border-spacing:0;width:100%;min-width:860px;font-family:var(--font-sans)}
.cmp col.c-param{width:230px}
.cmp col.c-aamp{width:210px}
.cmp col.c-other{width:190px}
.cmp th,.cmp td{text-align:left;padding:14px 18px;font-size:13.5px;line-height:1.4;vertical-align:top;border-bottom:1px solid var(--line)}
.cmp thead th{position:static;z-index:5;background:var(--paper-2);font-family:var(--font-mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink);font-weight:500;border-bottom:1px solid var(--ink);padding-top:16px;padding-bottom:16px}
.cmp thead th .co{font-family:var(--font-sans);font-size:10px;letter-spacing:0.04em;text-transform:none;color:var(--muted);display:block;font-weight:400;margin-top:2px}
.cmp .param{background:var(--paper);color:var(--ink-2);font-weight:500}
.cmp thead th.param{z-index:6;background:var(--paper-2)}
.cmp .col-aamp{background:var(--paper-2);box-shadow:inset 1px 0 0 var(--ink),inset -1px 0 0 var(--ink);color:var(--ink);font-weight:500}
.cmp thead th.col-aamp{z-index:6;background:#F0EFEA;box-shadow:inset 1px 0 0 var(--ink),inset -1px 0 0 var(--ink),inset 0 -1px 0 var(--ink)}
.cmp td.other{color:var(--muted)}
.cmp tbody tr:hover td{background:var(--paper-3)}
.cmp tbody tr:hover td.param{background:var(--paper-3)}
.cmp tbody tr:hover td.col-aamp{background:#EFEEE9}
.cmp tr.grp th{background:var(--ink);color:var(--paper);font-family:var(--font-mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;font-weight:500;padding:12px 18px;border-bottom:1px solid var(--ink)}
.cmp tbody tr:last-child td{border-bottom:none}
/* teaser (compact, no sticky) */
.cmp.teaser{min-width:0}
.cmp.teaser{min-width:640px}
.cmp-legend{margin-top:14px;font-size:13px;color:var(--muted)}
.cmp-legend a{color:var(--ink);border-bottom:1px solid var(--line)}
.cmp-legend a:hover{border-bottom-color:var(--ink)}


/* ---------- get-started hero form (form-first) ---------- */
.gs-hero{position:relative;padding:64px 0 72px;border-bottom:1px solid var(--line);overflow:hidden}
.gs-hero .echo-sig{right:-60px;top:-40px}
.gs-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:start}
.gs-copy h1{font-size:clamp(38px,4.6vw,60px);letter-spacing:-0.04em;font-weight:400;margin-top:26px;max-width:14ch}
.gs-copy h1 strong{font-weight:800}
.gs-copy .lede{margin-top:24px;font-size:18px;line-height:1.5;color:var(--muted);max-width:40ch}
.gs-assure{list-style:none;padding:0;margin:32px 0 0;display:flex;flex-direction:column;gap:14px}
.gs-assure li{display:grid;grid-template-columns:20px 1fr;gap:12px;align-items:baseline;font-size:15px;color:var(--ink-2);line-height:1.4}
.gs-assure li .tick{font-family:var(--font-mono);color:var(--ink);font-size:13px}
.gs-assure li strong{font-weight:600;color:var(--ink)}
.gs-form-card{background:var(--paper);border:1px solid var(--ink);border-radius:var(--radius);padding:32px 32px 34px;box-shadow:0 28px 60px -40px rgba(10,10,10,0.4)}
.gs-form-card .fc-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.gs-form-card .fc-head .k{font-family:var(--font-mono);font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--ink)}
.gs-form-card .fc-head .reply{font-family:var(--font-mono);font-size:11px;letter-spacing:0.04em;color:var(--muted)}
@media (max-width:900px){.gs-hero-grid{grid-template-columns:1fr;gap:36px} .gs-hero .echo-sig{display:none}}

/* ---------- product showcase (marketing screenshots) ---------- */
.showcase{padding:0 0 8px}
.showcase .frame{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#0e0e0e;box-shadow:0 1px 0 var(--line),0 40px 80px -48px rgba(10,10,10,0.5)}
.showcase .frame .bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#161616;border-bottom:1px solid rgba(255,255,255,0.06)}
.showcase .frame .bar i{width:10px;height:10px;border-radius:50%;background:#3a3a3a;display:block}
.showcase .frame .bar .u{margin-left:12px;font-family:var(--font-mono);font-size:11px;color:#6f6f6f;letter-spacing:0.04em}
.showcase .frame img{display:block;width:100%;height:auto}
.showcase figcaption{margin-top:14px;font-size:13px;line-height:1.5;color:var(--muted);display:flex;gap:10px;align-items:baseline}
.showcase figcaption .fc-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--ink);border:1px solid var(--line);border-radius:3px;padding:1px 6px;white-space:nowrap}
.shot-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.shot-grid figure{margin:0}
.shot-grid .frame{box-shadow:0 24px 48px -40px rgba(10,10,10,0.45)}
@media (max-width:820px){.shot-grid{grid-template-columns:1fr}}

/* section split: text + screenshot side by side */
.split{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.split.rev{grid-template-columns:1.15fr 1fr}
.split.rev .split-copy{order:2}
.split-copy .k{font-family:var(--font-mono);font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--muted);padding-top:8px;border-top:1px solid var(--ink);display:block;width:max-content;margin-bottom:18px}
.split-copy h3{font-size:clamp(24px,2.6vw,32px);letter-spacing:-0.025em;font-weight:500;line-height:1.1}
.split-copy p{margin-top:16px;font-size:16px;line-height:1.55;color:var(--muted);max-width:44ch}
.split-copy p strong{color:var(--ink);font-weight:500}
@media (max-width:820px){.split,.split.rev{grid-template-columns:1fr;gap:28px} .split.rev .split-copy{order:0}}

/* ---------- head to head ---------- */
.h2h{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--ink)}
.h2h .row{display:grid;grid-template-columns:220px 1fr;gap:48px;padding:34px 0;border-bottom:1px solid var(--line)}
.h2h .row .vs{font-family:var(--font-mono);font-size:13px;letter-spacing:0.08em;text-transform:uppercase;color:var(--ink);padding-top:4px}
.h2h .row p{font-size:17px;line-height:1.5;color:var(--ink-2);max-width:62ch}
.h2h .row p strong{color:var(--ink);font-weight:600}
@media (max-width:820px){.h2h .row{grid-template-columns:1fr;gap:14px}}

/* ---------- limits (where we're not the answer) ---------- */
.limits{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.limit-card{background:var(--paper);padding:30px 28px;display:flex;flex-direction:column;gap:12px;min-height:200px}
.limit-card .k{font-family:var(--font-mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted)}
.limit-card h4{font-size:19px;font-weight:500;letter-spacing:-0.015em}
.limit-card p{font-size:14px;color:var(--muted);line-height:1.55}
.limits-close{margin-top:28px;font-size:20px;line-height:1.4;letter-spacing:-0.015em;color:var(--ink);max-width:64ch;text-wrap:balance}
@media (max-width:820px){.limits{grid-template-columns:1fr}}

/* ---------- partners ---------- */
.partners{background:var(--ink);color:var(--paper);border-bottom:none;position:relative;overflow:hidden}
.partners .section-num{color:var(--muted-2);border-top-color:var(--paper)}
.partners h2{color:var(--paper)}
.partners-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end;position:relative;z-index:2}
.partners p.lede{font-size:19px;color:var(--muted-2);line-height:1.5;max-width:44ch}
.partners .ph{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.partners .ph .slot{aspect-ratio:2/1;border:1px dashed rgba(255,255,255,0.2);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:10px;color:var(--muted-2);letter-spacing:0.16em;text-transform:uppercase}
@media (max-width:820px){.partners-grid{grid-template-columns:1fr;gap:40px}}

/* ---------- closing CTA ---------- */
.cta-strip{position:relative;overflow:hidden;padding:96px 0;border-bottom:1px solid var(--line)}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:48px;align-items:end}
.cta-grid h2{font-size:clamp(36px,5vw,64px);letter-spacing:-0.04em;font-weight:400;max-width:16ch}
.cta-grid h2 strong{font-weight:800}
.cta-grid .sub{margin-top:16px;font-size:16px;color:var(--muted);font-family:var(--font-mono);letter-spacing:0.04em}
.cta-grid .cta-bts{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:820px){.cta-grid{grid-template-columns:1fr;gap:28px}}

/* ---------- footer ---------- */
footer{padding:64px 0 32px;background:var(--paper-2)}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.foot-brand .wordmark{margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--muted);max-width:34ch;line-height:1.55}
.foot-col h6{font-family:var(--font-mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted);font-weight:500;margin:0 0 16px}
.foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:13px;color:var(--ink-2)}
.foot-col a:hover{color:var(--ink)}
.foot-bottom{padding-top:28px;display:flex;align-items:center;justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:0.08em;flex-wrap:wrap;gap:12px}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--ink)}
@media (max-width:820px){.foot-top{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-top{grid-template-columns:1fr}}

/* ================================================================
   MOBILE NAV + responsive refinements
   ================================================================ */
.nav-toggle{display:none;position:relative;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform 200ms ease,opacity 150ms ease}
body.mm-open .nav-toggle span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.mm-open .nav-toggle span:nth-child(2){opacity:0}
body.mm-open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:var(--nav-h) 0 0 0;z-index:49;background:rgba(255,255,255,0.98);backdrop-filter:saturate(180%) blur(8px);-webkit-backdrop-filter:saturate(180%) blur(8px);opacity:0;pointer-events:none;transition:opacity 180ms ease;overflow-y:auto}
body.mm-open{overflow:hidden}
body.mm-open .mobile-menu{opacity:1;pointer-events:auto}
.mm-inner{max-width:var(--container);margin:0 auto;padding:20px var(--gutter) 40px;display:flex;flex-direction:column;min-height:100%}
.mm-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.mm-links a{font-size:26px;font-weight:400;letter-spacing:-0.025em;color:var(--ink);padding:22px 4px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.mm-links a.active{font-weight:600}
.mm-links a::after{content:"→";color:var(--muted-2);font-size:20px}
.mm-cta{display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-top:32px}
.mm-cta .btn{justify-content:center;padding:16px;font-size:16px}

@media (max-width:820px){
  .nav-toggle{display:flex}
  .nav-cta .btn-ghost{display:none}
  .nav-cta{gap:8px}
}

/* touch targets + form usability on phones */
@media (max-width:640px){
  .field input,.field select,.field textarea{font-size:16px;padding:13px 14px}
  .gs-form-card{padding:24px 20px 26px}
  .hero-cta .btn,.head-cta .btn,.cta-grid .btn,.cta-bts .btn{flex:1 1 auto;justify-content:center}
  .form-actions{flex-direction:column;align-items:stretch;gap:12px}
  .form-actions .btn{justify-content:center}
  .form-note{text-align:center}
}
@media (max-width:560px){
  .section{padding:56px 0}
  .hero{padding:64px 0 56px}
  .page-head,.gs-hero{padding:56px 0 48px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* ---------- why split sections ---------- */
.why-split .section-head{margin-bottom:36px}
.ws-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.why-split.flip .ws-grid{direction:rtl}
.why-split.flip .ws-grid>*{direction:ltr}
.ws-copy{display:flex;flex-direction:column;gap:20px;padding-top:4px}
.ws-copy .lede{font-size:21px;line-height:1.42;letter-spacing:-0.018em;color:var(--ink)}
.ws-copy .body{font-size:16px;line-height:1.6;color:var(--ink-2);max-width:56ch}
.ws-media{margin:0}
.ph{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper-2)}
.ph .bar{display:flex;align-items:center;gap:7px;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--paper)}
.ph .bar i{width:9px;height:9px;border-radius:50%;background:var(--line-2, #ddd)}
.ph .bar .u{margin-left:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:0.04em;color:var(--muted)}
.ph-body{aspect-ratio:16/10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background-image:repeating-linear-gradient(135deg,transparent 0 12px,rgba(0,0,0,0.022) 12px 24px)}
.ph-mark{font-size:30px;color:var(--muted);opacity:0.5;line-height:1}
.ph-label{font-family:var(--font-mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted)}
@media (max-width:900px){.ws-grid{grid-template-columns:1fr;gap:28px}.why-split.flip .ws-grid{direction:ltr}}

/* ---------- teaser: aamp column in green ---------- */
.cmp.teaser{--pos:#0E6B45;--pos-tint:#F0F7F3;--pos-line:#CBE3D8}
.cmp.teaser th.col-aamp{background:var(--pos);color:#fff;border-color:var(--pos);font-size:15px;letter-spacing:0.02em;text-transform:none;font-weight:600}
.cmp.teaser td.col-aamp{background:var(--pos-tint);color:var(--pos);font-weight:600;box-shadow:inset 1px 0 0 var(--pos-line),inset -1px 0 0 var(--pos-line)}
.cmp.teaser tbody tr:last-child td.col-aamp{box-shadow:inset 1px 0 0 var(--pos-line),inset -1px 0 0 var(--pos-line),inset 0 -1px 0 var(--pos-line)}
.cmp.teaser td.other{color:var(--muted)}
.cmp.teaser thead th.other{font-size:15px;letter-spacing:0.02em;text-transform:none;color:var(--ink);font-weight:600;padding-top:18px;padding-bottom:18px}
.cmp.teaser thead th.param{font-size:11px;color:var(--muted)}