/* Corvyn Reserve - Cold institutional design system.
   Smoke/silver neutrals, off-black ink, one cobalt accent. Grotesk display,
   sharp 4px radius, dividers over cards, left-aligned data layout. */
:root{
  --ink:#0b0b0c;          /* near-black headlines */
  --body:#30343b;         /* softened body ink */
  --muted:#5d6572;        /* secondary text */
  --ground:#eef0f2;       /* page ground (smoke) */
  --surface:#ffffff;      /* cards / panels */
  --panel:#f6f7f9;        /* subtle fill */
  --rule:#d8dce1;         /* hairlines */
  --rule-strong:#c3c9d1;
  --accent:#1f49ff;       /* cobalt */
  --accent-press:#173ad0;
  --accent-soft:#e8ecff;
  --dark:#0b0f17;         /* cool off-black surface */
  --dark-2:#121825;
  --on-dark:#e7eaf1;
  --on-dark-dim:#9aa3b4;
  --r:4px; --r-lg:6px;
  --display:'General Sans','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --maxw:1180px; --narrow:720px;
  --ease-out:cubic-bezier(0.23,1,0.32,1);
  --shadow:0 1px 2px rgba(11,15,23,.06),0 8px 24px -12px rgba(11,15,23,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--body);background:var(--ground);
  font-size:17px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.1;color:var(--ink);margin:0 0 .5em;letter-spacing:-.02em}
strong{font-weight:600;color:var(--ink)}
::selection{background:var(--accent);color:#fff}
::-moz-selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
html{caret-color:var(--accent);scrollbar-color:var(--rule-strong) var(--ground)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;width:100%}
.wrap-narrow{max-width:var(--narrow);margin:0 auto;padding:0 32px;width:100%}
.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.ast{color:var(--accent);font-weight:600}
.eyebrow{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--accent);margin:0 0 14px}
.section-h{font-size:clamp(1.5rem,2.6vw,2rem);text-align:left;margin-bottom:8px;letter-spacing:-.02em}
.lede{font-size:18px;color:var(--muted);text-align:left;max-width:60ch;margin:0 0 32px}
.tnum{font-variant-numeric:tabular-nums}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--sans);font-weight:600;font-size:15.5px;
  padding:13px 24px;border:1px solid transparent;border-radius:var(--r);cursor:pointer;text-align:center;line-height:1.2;
  transition:transform 160ms var(--ease-out),background-color 160ms var(--ease-out),border-color 160ms var(--ease-out),color 160ms var(--ease-out)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-press);border-color:var(--accent-press);text-decoration:none;color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--rule-strong)}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);text-decoration:none}
.btn-block{display:flex;width:100%}
.btn:disabled,.btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;transform:none}

/* Masthead */
.masthead{border-bottom:1px solid var(--rule);background:rgba(238,240,242,.85);backdrop-filter:saturate(1.2) blur(8px);position:sticky;top:0;z-index:20}
.mast-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.mark{display:flex;align-items:center;gap:11px;color:var(--ink)}
.mark:hover{text-decoration:none}
.mark-sq{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:var(--r);background:var(--ink);color:#fff;
  font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:.01em}
.mark-word{font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.02em}
.mast-nav{display:flex;align-items:center;gap:28px}
.mast-nav a{color:var(--body);font-size:15px;font-weight:500}
.mast-nav a:hover{color:var(--ink)}
.mast-cta{color:var(--accent)!important;font-weight:600}
.mast-cta:hover{text-decoration:underline}

/* Hero - split, left-aligned */
.hero{border-bottom:1px solid var(--rule);background:
  radial-gradient(120% 140% at 85% -10%,#ffffff 0%,var(--ground) 55%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  text-align:left;padding:84px 32px;max-width:var(--maxw)}
.hero-h1{font-size:clamp(2.5rem,4.6vw,3.9rem);letter-spacing:-.035em;margin-bottom:18px;line-height:1.02;max-width:14ch}
.hero-sub{font-size:19px;color:var(--muted);margin:0 0 26px;max-width:46ch}
.hero-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.hero-points li{position:relative;padding-left:26px;font-size:15.5px;color:var(--body)}
.hero-points li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:8px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.amount-note{font-size:12px;color:var(--muted);max-width:46ch;margin:18px 0 0;line-height:1.5}

/* Hero form panel (right) */
.hero-form{background:var(--surface);border:1px solid var(--rule);border-radius:var(--r-lg);
  padding:30px 28px;box-shadow:var(--shadow)}
.hero-form .lead-form{margin:0}
.hero-panel-range{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:16px;margin-bottom:20px;border-bottom:1px solid var(--rule)}
.hero-panel-range .big{font-family:var(--display);font-weight:600;font-size:26px;color:var(--ink);letter-spacing:-.02em}
.hero-panel-range small{font-size:12px;color:var(--muted);text-align:right;max-width:16ch;line-height:1.35}

/* Lead form */
.lead-form{max-width:none;text-align:left}
.form-title{font-size:17px;text-align:left;margin-bottom:12px;color:var(--ink);font-weight:600}
.field-row{display:flex;flex-direction:column;gap:10px}
.field-row input[type=email]{flex:1;min-width:0;font-family:var(--sans);font-size:16px;
  padding:14px 15px;border:1px solid var(--rule-strong);background:var(--surface);border-radius:var(--r);color:var(--ink);
  transition:border-color 160ms var(--ease-out),box-shadow 160ms var(--ease-out)}
.field-row input[type=email]::placeholder{color:#9aa3b1}
.field-row input[type=email]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field-row .btn{white-space:nowrap}
.consent{font-size:12px;color:var(--muted);margin:14px 0 0;line-height:1.5;text-align:left}

/* Stat strip - dark data bar */
.stat-strip{background:var(--dark);color:var(--on-dark)}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:0;text-align:left;padding:0}
.strip-item{padding:30px 28px;border-left:1px solid rgba(255,255,255,.08)}
.strip-item:first-child{border-left:0;padding-left:32px}
.strip-item span{display:block;font-family:var(--display);font-size:21px;color:#fff;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.strip-item small{display:block;color:var(--on-dark-dim);font-size:12.5px;margin-top:7px;line-height:1.45}

/* Uses - split list + aside */
.uses{padding:88px 0;border-bottom:1px solid var(--rule)}
.uses-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:56px;align-items:start}
.uses-list{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--rule)}
.use{padding:20px 20px 20px 0;border-bottom:1px solid var(--rule)}
.use:nth-child(odd){padding-right:28px}
.use:nth-child(even){padding-left:28px;border-left:1px solid var(--rule)}
.use h3{font-size:16.5px;margin-bottom:4px}
.use p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.5}
.uses-aside{position:sticky;top:92px}
.uses-aside img{border:1px solid var(--rule);border-radius:var(--r-lg)}
.uses-aside .btn{margin-top:20px;width:100%}

/* Steps - divided process row, no numbers */
.steps{padding:88px 0;border-bottom:1px solid var(--rule);background:var(--panel)}
.steps-row{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.step{padding:4px 28px;border-left:2px solid var(--accent)}
.step:not(:first-child){margin-left:0}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15px;margin:0;line-height:1.55}
.step-n{display:none}

/* Tips - bordered link list, no 01/02 */
.tips{padding:88px 0;border-bottom:1px solid var(--rule)}
.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:28px;border-top:1px solid var(--rule)}
.tip{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px 20px 2px;color:var(--ink);
  border-bottom:1px solid var(--rule);transition:padding-left 160ms var(--ease-out),color 160ms var(--ease-out)}
.tip:nth-child(even){padding-left:28px;border-left:1px solid var(--rule)}
.tip:hover{text-decoration:none;color:var(--accent);padding-left:10px}
.tip:nth-child(even):hover{padding-left:36px}
.tip-n{display:none}
.tip-t{font-weight:500;font-size:16px}
.tip::after{content:"";width:18px;height:18px;flex:none;
  background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M7 17L17 7M9 7h8v8'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M7 17L17 7M9 7h8v8'/%3E%3C/svg%3E") center/contain no-repeat;
  color:var(--muted);opacity:.6;transition:opacity 160ms var(--ease-out)}
.tip:hover::after{opacity:1;color:var(--accent)}

/* Guides */
.guides-home{padding:88px 0;border-bottom:1px solid var(--rule);background:var(--panel)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.guide-card{display:block;background:var(--surface);border:1px solid var(--rule);border-radius:var(--r-lg);color:var(--ink);overflow:hidden;
  transition:transform 160ms var(--ease-out),box-shadow 160ms var(--ease-out),border-color 160ms var(--ease-out)}
.guide-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--rule-strong)}
.guide-card img{border-bottom:1px solid var(--rule)}
.guide-card-body{padding:18px 20px 22px}
.guide-card-body h2,.guide-card-body h3{font-size:17.5px;margin:10px 0 0;line-height:1.25}
.guide-card-body p{color:var(--muted);font-size:14.5px;margin:8px 0 0}
.read-time{font-family:var(--sans);text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:600;color:var(--accent)}

/* FAQ */
.faq{padding:88px 0;border-bottom:1px solid var(--rule)}
.faq-list{border-top:1px solid var(--rule);margin-top:28px}
.faq-item{border-bottom:1px solid var(--rule)}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 2px;font-family:var(--display);font-size:18px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-size:22px;font-family:var(--sans);font-weight:400;transition:transform 160ms var(--ease-out)}
.faq-item[open] summary::after{content:"\2212"}
.faq-a{padding:0 2px 24px;color:var(--body);max-width:68ch}
.faq-a a{color:var(--accent)}

/* Bottom CTA */
.bottom-cta{padding:88px 0;background:var(--dark);color:var(--on-dark)}
.bottom-cta .wrap-narrow{display:grid;grid-template-columns:1fr;gap:0}
.bottom-cta h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem)}
.bottom-cta p{color:var(--on-dark-dim);font-size:18px;margin:0 0 28px}
.bottom-cta .hero-form,.bottom-cta .lead-form{max-width:520px}
.bottom-cta .form-title{color:var(--ink)}

/* Footer */
.site-foot{padding:56px 0 64px;background:var(--ground)}
.foot-rule{height:1px;background:var(--rule);margin-bottom:28px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:22px}
.foot-links a{color:var(--muted);font-size:13.5px}
.foot-links a:hover{color:var(--ink)}
.foot-disc{color:var(--muted);font-size:13px;max-width:78ch;line-height:1.6}
.foot-meta{color:var(--body);font-size:13px;margin-top:16px;font-weight:500}
.foot-credit{color:var(--muted);font-size:11.5px;margin-top:10px;line-height:1.5;max-width:90ch}

/* Legal + guide prose */
.legal,.guide{padding:56px 0 72px}
.legal h1,.guide h1{font-size:clamp(1.9rem,3.4vw,2.5rem);margin-bottom:14px}
.legal h2{font-size:21px;margin-top:34px}
.legal .eff{color:var(--muted);font-size:14px}
.legal p,.legal li{color:var(--body)}
.legal-foot{margin-top:36px;padding-top:18px;border-top:1px solid var(--rule);color:var(--muted);font-size:13px}
.back-link{display:inline-block;margin-bottom:18px;font-size:14px;color:var(--muted)}
.back-link:hover{color:var(--accent)}
.contact-list{line-height:2}
.stack-form{display:flex;flex-direction:column;gap:8px;max-width:460px;margin:20px 0}
.stack-form label{font-weight:600;font-size:14px;margin-top:8px;color:var(--ink)}
.stack-form input,.stack-form select,.stack-form textarea{font-family:var(--sans);font-size:16px;
  padding:12px 14px;border:1px solid var(--rule-strong);background:var(--surface);border-radius:var(--r)}
.stack-form input:focus,.stack-form select:focus,.stack-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.stack-form .check{display:flex;flex-direction:row;align-items:center;gap:8px;font-weight:400}
.stack-form .btn{margin-top:14px;align-self:flex-start}
.note{padding:12px 16px;border:1px solid var(--rule);background:var(--surface);font-size:14.5px;margin:16px 0;border-radius:var(--r)}
.note.ok{border-color:var(--accent);color:var(--accent-press);background:var(--accent-soft)}
.fine{font-size:13px;color:var(--muted)}

/* Guide article */
.guide .dek{font-size:19px;color:var(--muted);margin-bottom:10px;max-width:65ch}
.guide .read-time{display:block;margin-bottom:22px}
.guide-hero{margin:0 0 32px}
.guide-hero img,.guide-fig img{border:1px solid var(--rule);border-radius:var(--r-lg)}
.guide-hero figcaption,.guide-fig figcaption{font-size:12px;color:var(--muted);margin-top:8px}
.guide-fig{margin:34px 0}
.prose{max-width:68ch}
.prose p{margin:0 0 20px;font-size:17.5px;color:var(--body);line-height:1.7}
.prose h2{font-size:23px;margin:38px 0 14px}
.guide-cta{margin-top:44px;padding:34px;border:1px solid var(--rule);background:var(--panel);text-align:left;border-radius:var(--r-lg)}
.guide-cta p{color:var(--muted);margin:0 0 18px}

/* Guides index */
.guides-index{padding:56px 0 72px;text-align:left}
.guides-index h1{font-size:clamp(2rem,3.6vw,2.6rem)}
.guides-index .guide-grid{text-align:left;margin-top:36px}

/* Gate screens */
body.bare{background:var(--ground)}
.gate-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}
.gate-card{max-width:440px;text-align:center;background:var(--surface);border:1px solid var(--rule);padding:48px 36px;border-radius:var(--r-lg);box-shadow:var(--shadow)}
.gate-card h1{font-size:24px;margin-bottom:10px}
.gate-card p{color:var(--muted);margin:0}
.spinner{width:38px;height:38px;margin:0 auto 24px;border:3px solid var(--rule);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Chat */
.chat-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--dark)}
.chat-card{width:100%;max-width:460px;background:var(--surface);border:1px solid var(--rule);display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-lg);box-shadow:var(--shadow)}
.chat-head{display:flex;align-items:center;gap:14px;padding:18px 22px;border-bottom:1px solid var(--rule);background:var(--panel)}
.chat-avatar{width:52px;height:52px;border-radius:50%;object-fit:cover;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--rule-strong)}
.chat-id{display:flex;flex-direction:column}
.chat-name{font-family:var(--display);font-weight:600;font-size:17px}
.chat-status{display:flex;align-items:center;gap:7px;font-size:13px;color:#1f8a4c}
.chat-status .dot{width:8px;height:8px;border-radius:50%;background:#1f8a4c;display:inline-block}
.chat-log{padding:24px 22px;display:flex;flex-direction:column;gap:12px;min-height:220px}
.bubble{max-width:85%;padding:12px 16px;font-size:15.5px;line-height:1.45;border-radius:var(--r-lg)}
.bubble.in{align-self:flex-start;background:var(--panel);border:1px solid var(--rule);color:var(--ink)}
.bubble.typing{color:var(--muted);font-style:italic}
.chat-form{display:flex;gap:8px;padding:16px 18px;border-top:1px solid var(--rule)}
.chat-form input{flex:1;min-width:0;font-family:var(--sans);font-size:16px;padding:12px 14px;border:1px solid var(--rule-strong);background:var(--surface);border-radius:var(--r)}
.chat-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}

/* Matches / residency / confirm */
.matches,.residency,.confirm,.notfound{padding:56px 0 72px}
.confirm-banner{background:var(--accent-soft);color:var(--accent-press);padding:14px 18px;text-align:center;font-weight:500;margin-bottom:30px;border-radius:var(--r);border:1px solid #c9d3ff}
.match-list{display:flex;flex-direction:column;gap:0;border:1px solid var(--rule);border-radius:var(--r-lg);overflow:hidden}
.match-row{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--surface);padding:22px 24px;border-bottom:1px solid var(--rule)}
.match-row:last-child{border-bottom:0}
.match-text h2{font-size:18px;margin:0 0 4px}
.match-text p{margin:0;color:var(--muted);font-size:15px}
.choice-row{display:flex;flex-direction:column;gap:14px;max-width:460px;margin:0}
.choice-row form{margin:0}

@media (hover:hover) and (pointer:fine){
  .guide-card:hover{transform:translateY(-3px)}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto}
  .guide-card:hover{transform:none}
}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 32px}
  .hero-h1{max-width:18ch}
  .uses-grid{grid-template-columns:1fr;gap:36px}
  .uses-aside{position:static}
  .guide-grid{grid-template-columns:1fr 1fr}
  .steps-row{grid-template-columns:1fr;gap:0}
  .step{border-left:2px solid var(--accent);padding:16px 22px}
  .strip-inner{grid-template-columns:1fr 1fr}
  .strip-item:nth-child(2){border-left:0}
  .strip-item{border-top:1px solid rgba(255,255,255,.08)}
  .strip-item:nth-child(-n+2){border-top:0}
}
@media (max-width:560px){
  body{font-size:16px}
  .wrap,.wrap-narrow{padding:0 20px}
  .hero-inner{padding:44px 20px}
  .section-h{font-size:1.4rem}
  .uses-list{grid-template-columns:1fr}
  .use:nth-child(even){padding-left:0;border-left:0}
  .use:nth-child(odd){padding-right:0}
  .guide-grid,.tips-grid,.strip-inner{grid-template-columns:1fr}
  .tip:nth-child(even){padding-left:2px;border-left:0}
  .tip:nth-child(even):hover{padding-left:10px}
  .strip-item{border-left:0;border-top:1px solid rgba(255,255,255,.08);padding-left:28px!important}
  .strip-item:first-child{border-top:0}
  .mast-nav{gap:16px}
  .mast-nav a:not(.mast-cta){display:none}
  .match-row{flex-direction:column;align-items:flex-start;gap:14px}
  .match-row .btn{width:100%}
}