/* ============================================================================
   VOUCH — the trust layer for the AI-agent economy
   Design tokens + landing styles.  Source of truth: brand-guidelines.md
   Obsidian canvas · gold = authority · green = the verified signal ONLY
   ========================================================================== */

:root{
  /* palette ---------------------------------------------------------------*/
  --obsidian:#0A0A0D;
  --panel:#131319;
  --panel-2:#16161d;
  --cream:#ECE7D9;
  --cream-dim:rgba(236,231,217,.62);
  --cream-faint:rgba(236,231,217,.40);
  --gold:#E2B45F;
  --gold-deep:#B5863A;
  --gold-bright:#F6D89A;
  --green:#54E08C;            /* verified signal — tweakable */
  --line:rgba(236,231,217,.12);
  --line-strong:rgba(236,231,217,.20);

  /* type ------------------------------------------------------------------*/
  --display:"Fraunces",Georgia,serif;
  --mono:"Space Mono",ui-monospace,monospace;
  --body:"Hanken Grotesk",system-ui,sans-serif;

  /* tweakables ------------------------------------------------------------*/
  --glow-strength:1;
  --grain-opacity:.045;
  --emph-style:italic;        /* emphasis word */

  /* rhythm ----------------------------------------------------------------*/
  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);
  --section-pad:clamp(88px,13vw,180px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--obsidian);color:var(--cream);
  font-family:var(--body);font-size:clamp(16px,1.15vw,18px);line-height:1.6;
  font-weight:400;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:rgba(226,180,95,.26);color:#fff}

/* --- ambient grain + glow --------------------------------------------------*/
.grain{
  position:fixed;inset:-50%;width:200%;height:200%;z-index:9000;pointer-events:none;
  opacity:var(--grain-opacity);mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body.no-motion .grain{animation:none}

/* --- type scale ------------------------------------------------------------*/
.eyebrow{
  font-family:var(--mono);font-size:clamp(11px,.78vw,12.5px);font-weight:400;
  letter-spacing:.34em;text-transform:uppercase;color:var(--gold);
  display:inline-flex;align-items:center;gap:.7em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--gold-deep))}
.eyebrow.center::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--gold-deep),transparent)}

h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.04;letter-spacing:-.012em;margin:0}
.display-xl{font-size:clamp(40px,6vw,78px);font-weight:400;line-height:1.0;letter-spacing:-.02em}
.display-l {font-size:clamp(38px,6.4vw,82px);line-height:1.0;letter-spacing:-.018em}
.display-m {font-size:clamp(30px,4.4vw,56px);line-height:1.05}
em.emph{font-style:var(--emph-style);color:var(--gold);font-weight:500}
.lede{font-size:clamp(17px,1.5vw,21px);line-height:1.62;color:var(--cream-dim);font-weight:400;max-width:38ch}

/* --- buttons ---------------------------------------------------------------*/
.btn{
  display:inline-flex;align-items:center;gap:.6em;cursor:pointer;border:none;
  font-family:var(--body);font-size:15px;font-weight:600;letter-spacing:.01em;
  padding:15px 26px;border-radius:9px;text-decoration:none;
  transition:transform .25s cubic-bezier(.2,.8,.3,1),box-shadow .25s,background .25s,color .2s;
}
.btn-gold{
  color:#1A1206;background:linear-gradient(180deg,var(--gold-bright),var(--gold));
  box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 8px 26px rgba(226,180,95,.26),0 1px 2px rgba(0,0,0,.4);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 14px 38px rgba(226,180,95,.36),0 1px 2px rgba(0,0,0,.4)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{color:var(--cream);background:transparent;border:1px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-bright);transform:translateY(-2px)}
.btn .arrow{transition:transform .25s}
.btn:hover .arrow{transform:translatex(3px)}

/* --- layout ----------------------------------------------------------------*/
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
section{position:relative}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);max-width:var(--maxw);margin-inline:auto}

/* glow primitives */
.glow{position:absolute;border-radius:50%;pointer-events:none;filter:blur(60px);
  background:radial-gradient(circle,rgba(226,180,95,calc(.22*var(--glow-strength))),transparent 70%);}

/* ============================ NAV ========================================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:8000;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--gutter);
  transition:background .4s,backdrop-filter .4s,border-color .4s,padding .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(10,10,13,.72);backdrop-filter:blur(16px) saturate(140%);border-bottom-color:var(--line);padding-top:13px;padding-bottom:13px}
.lockup{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--cream)}
.lockup .seal{width:34px;height:34px;flex:none}
.lockup .word{font-family:var(--display);font-weight:600;font-size:23px;letter-spacing:-.01em;color:var(--cream)}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-link{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--cream-dim);text-decoration:none;transition:color .2s}
.nav-link:hover{color:var(--gold)}
.nav .btn{padding:10px 18px;font-size:13px}

/* ============================ HERO ========================================= */
.hero{min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:130px var(--gutter) 80px;position:relative;overflow:hidden}
.hero-glow{position:absolute;top:34%;left:50%;transform:translate(-50%,-50%);width:min(900px,120vw);height:min(900px,120vw);
  background:radial-gradient(circle,rgba(226,180,95,calc(.18*var(--glow-strength))) 0%,rgba(226,180,95,calc(.06*var(--glow-strength))) 32%,transparent 64%);
  pointer-events:none;z-index:0}
.hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:26px}
.hero .seal{width:clamp(190px,25vw,278px);height:clamp(190px,25vw,278px);flex:none;filter:drop-shadow(0 22px 60px rgba(0,0,0,.6))}
.hero h1{max-width:20ch;margin-top:4px}
.hero .lede{max-width:46ch;text-align:center}
.hero-cta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;justify-content:center;margin-top:6px}
.scrollcue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--cream-faint);z-index:1;display:flex;flex-direction:column;align-items:center;gap:9px}
.scrollcue i{display:block;width:1px;height:34px;background:linear-gradient(var(--gold-deep),transparent);animation:cue 2.4s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleY(.4);opacity:.4;transform-origin:top}50%{transform:scaleY(1);opacity:1;transform-origin:top}}

/* ============================ PROBLEM ====================================== */
.problem{padding:var(--section-pad) 0;text-align:center;position:relative;overflow:hidden}
#agentfield{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.9;
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 42%,#000 18%,transparent 72%);
          mask-image:radial-gradient(ellipse 70% 80% at 50% 42%,#000 18%,transparent 72%)}
.problem .wrap{position:relative;z-index:1}
.problem h2{margin:22px auto 0;max-width:18ch}
.problem .void{color:var(--cream)}
.problem .num{color:var(--gold)}
.problem .sub{color:var(--cream-dim);max-width:40ch;margin:30px auto 0;font-size:clamp(16px,1.4vw,19px)}
.primitive{padding:var(--section-pad) 0;text-align:center;position:relative}
.primitive h2{max-width:20ch;margin:22px auto 0}
.primitive .sub{color:var(--cream-dim);max-width:50ch;margin:30px auto 0;font-size:clamp(16px,1.4vw,19px);line-height:1.6}
.primitive em:not(.emph){font-style:italic;color:var(--cream)}

/* ============================ TWO DOORS ==================================== */
.doors{padding:var(--section-pad) 0}
.doors-head{text-align:center;max-width:42ch;margin:0 auto 64px;display:flex;flex-direction:column;align-items:center;gap:18px}
.doors-grid{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;max-width:var(--maxw);margin-inline:auto;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:linear-gradient(180deg,rgba(19,19,25,.5),rgba(19,19,25,.16))}
.door{padding:clamp(34px,4.4vw,60px);display:flex;flex-direction:column;gap:20px;position:relative;transition:background .4s;isolation:isolate}
.door::before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .45s;background:radial-gradient(120% 90% at 50% 0%,rgba(226,180,95,.12),transparent 70%)}
.door:hover::before{opacity:1}
.door-rule{background:var(--line)}
.door .knock{display:flex;align-items:center;gap:13px}
.door .knock .ic{width:42px;height:42px;border-radius:11px;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--gold);background:rgba(226,180,95,.05);flex:none}
.door .knock .ic svg{width:21px;height:21px}
.door h3{font-size:clamp(26px,3vw,38px);line-height:1.02}
.door p{color:var(--cream-dim);margin:0;max-width:34ch}
.door ul{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:13px}
.door li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--cream-dim)}
.door li .tick{color:var(--gold);flex:none;margin-top:.18em;font-family:var(--mono);font-size:12px}
.door .door-cta{margin-top:auto;padding-top:14px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--cream);text-decoration:none;display:inline-flex;align-items:center;gap:8px;width:fit-content;transition:color .2s,gap .2s}
.door .door-cta:hover{color:var(--gold);gap:13px}

/* ============================ PROOF CARD =================================== */
.proof{padding:var(--section-pad) 0;text-align:center;position:relative;overflow:hidden}
.proof-glow{position:absolute;top:50%;left:50%;width:680px;height:680px;transform:translate(-50%,-50%)}
.proof .wrap{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:14px}
.proof h2{max-width:20ch;margin:14px auto 0}
.proof .sub{color:var(--cream-dim);max-width:42ch;margin:0 auto}

/* the agent card */
.agentcard{
  position:relative;width:min(440px,100%);margin:50px auto 0;text-align:left;
  background:linear-gradient(168deg,#17171f,#101015 78%);
  border:1px solid var(--line-strong);border-radius:20px;padding:30px;
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 40px 90px -30px rgba(0,0,0,.85),0 0 0 1px rgba(226,180,95,.06);
  overflow:hidden;
}
.agentcard::after{content:"";position:absolute;inset:0;border-radius:20px;pointer-events:none;
  background:radial-gradient(140% 60% at 100% -10%,rgba(226,180,95,.10),transparent 55%)}
.agentcard .corner-seal{position:absolute;top:-18px;right:-18px;width:104px;height:104px;opacity:.9;z-index:2}
.ac-head{display:flex;align-items:center;gap:15px;position:relative;z-index:1}
.ac-avatar{width:56px;height:56px;border-radius:14px;flex:none;display:grid;place-items:center;
  background:linear-gradient(150deg,#23232c,#15151b);border:1px solid var(--line-strong);position:relative}
.ac-avatar svg{width:30px;height:30px}
.ac-id{display:flex;flex-direction:column;gap:5px;min-width:0}
.ac-name{font-family:var(--display);font-size:25px;font-weight:600;line-height:1;letter-spacing:-.01em}
.ac-role{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--cream-faint)}
.vouched{
  display:inline-flex;align-items:center;gap:7px;align-self:flex-start;margin-top:2px;
  padding:5px 11px 5px 9px;border-radius:999px;border:1px solid rgba(84,224,140,.42);
  background:rgba(84,224,140,.08);
  font-family:var(--mono);font-size:10.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--green);
}
.vouched .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 9px 1px rgba(84,224,140,.8);animation:pulse 2.6s ease-in-out infinite}
.vouched .vk{width:12px;height:12px}
body.no-motion .vouched .dot{animation:none}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

.ac-divider{height:1px;background:var(--line);margin:24px 0;position:relative;z-index:1}
.ac-stats{display:grid;grid-template-columns:repeat(3,1fr);position:relative;z-index:1}
.ac-stat{display:flex;flex-direction:column;gap:5px;padding-right:14px}
.ac-stat+.ac-stat{border-left:1px solid var(--line);padding-left:18px}
.ac-stat .v{font-family:var(--display);font-size:23px;font-weight:600;letter-spacing:-.01em;line-height:1;display:flex;align-items:center;gap:4px}
.ac-stat .v .star{color:var(--gold);font-size:16px}
.ac-stat .k{font-family:var(--mono);font-size:9px;letter-spacing:.13em;text-transform:uppercase;color:var(--cream-faint)}
.ac-foot{display:flex;align-items:center;gap:9px;margin-top:24px;position:relative;z-index:1;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--cream-faint)}
.ac-foot .vk{width:13px;height:13px;color:var(--green);flex:none}

/* ============================ VISION ======================================= */
.vision{padding:var(--section-pad) 0;text-align:center;position:relative;overflow:hidden}
.vision-glow{position:absolute;bottom:-30%;left:50%;transform:translateX(-50%);width:min(780px,110vw);height:min(620px,90vw)}
.vision .wrap{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:26px}
.vision h2{max-width:18ch}
.vision .padlock-row{display:flex;align-items:center;gap:18px;color:var(--cream-faint);font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase}
.vision .padlock-row .seal{width:30px;height:30px}
.vision .padlock-row span{width:60px;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}

/* ============================ ACCESS ======================================= */
.access{padding:var(--section-pad) 0 calc(var(--section-pad) - 40px);position:relative;overflow:hidden}
.access-card{max-width:560px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}
.access h2{max-width:16ch}
.access .sub{color:var(--cream-dim);max-width:40ch;margin:0 auto}
.form{width:100%;margin-top:26px;display:flex;flex-direction:column;gap:14px;text-align:left}
.seg{display:flex;padding:4px;background:var(--panel);border:1px solid var(--line);border-radius:12px;position:relative}
.seg-thumb{position:absolute;top:4px;bottom:4px;left:4px;width:calc(50% - 4px);border-radius:9px;
  background:linear-gradient(180deg,rgba(226,180,95,.16),rgba(226,180,95,.07));border:1px solid rgba(226,180,95,.34);
  transition:left .28s cubic-bezier(.3,.8,.3,1)}
.seg.buyer .seg-thumb{left:calc(50%)}
.seg button{flex:1;z-index:1;background:transparent;border:none;cursor:pointer;color:var(--cream-dim);
  font-family:var(--body);font-weight:600;font-size:14.5px;padding:13px 10px;transition:color .25s;display:flex;align-items:center;justify-content:center;gap:8px}
.seg button.on{color:var(--gold-bright)}
.seg button .si{width:16px;height:16px}
.field{position:relative}
.field input{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;color:var(--cream);font-family:var(--body);font-size:16px;outline:none;transition:border-color .25s,box-shadow .25s}
.field input::placeholder{color:var(--cream-faint)}
.field input:focus{border-color:rgba(226,180,95,.55);box-shadow:0 0 0 3px rgba(226,180,95,.12)}
.field input.invalid{border-color:rgba(224,90,90,.6)}
.form .btn-gold{width:100%;justify-content:center;padding:17px;font-size:15.5px}
.form .micro{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--cream-faint);text-align:center;margin-top:2px}
/* confirmed state */
.confirmed{display:none;flex-direction:column;align-items:center;gap:18px;text-align:center;margin-top:30px}
.access.done .form{display:none}
.access.done .confirmed{display:flex}
.confirmed .seal{width:128px;height:128px}
.confirmed h3{font-family:var(--display);font-size:30px;font-weight:600}
.confirmed p{color:var(--cream-dim);max-width:34ch;margin:0}

/* ============================ FOOTER ======================================= */
.foot{border-top:1px solid var(--line);padding:40px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot .lockup .seal{width:28px;height:28px}
.foot .lockup .word{font-size:20px}
.foot .fmeta{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--cream-faint);display:flex;gap:22px;flex-wrap:wrap}
.foot .fmeta a{color:var(--cream-faint);text-decoration:none;transition:color .2s}
.foot .fmeta a:hover{color:var(--gold)}

/* ============================ REVEALS ====================================== */
/* Final (visible) state is the BASE. The hidden pre-state is applied only when
   the page can actually animate; a hidden/throttled tab (where rAF never fires)
   keeps content visible via html.reveal-show, set synchronously in <head>. */
.reveal{opacity:0;transform:translateY(26px);
  transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
html.reveal-show .reveal{opacity:1!important;transform:none!important;transition:none!important}
body.no-motion .reveal{opacity:1!important;transform:none!important;transition:none}

/* seal idle spin (tweakable) */
body.seal-spin .seal--full .seal-ticks{transform-box:fill-box;transform-origin:center;animation:spin 90s linear infinite}
body.seal-spin .seal--full .seal-text,body.seal-spin .seal--full .seal-orn{transform-box:fill-box;transform-origin:center;animation:spin 220s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
body.no-motion.seal-spin .seal-ticks,body.no-motion.seal-spin .seal-text,body.no-motion.seal-spin .seal-orn{animation:none}

/* ============================ SEAL TYPE + STAMP ============================ */
.seal{display:block;overflow:visible}
.seal-words{font-family:var(--mono);font-size:11px;letter-spacing:3px;font-weight:700;text-transform:uppercase}
.seal-sub{font-family:var(--mono);font-size:8.5px;letter-spacing:3.6px;font-weight:400;text-transform:uppercase}

/* stamp choreography — base = stamped/visible; the keyframe only plays when
   .is-stamping is added (which JS does inside rAF, never while hidden) */
.seal--full.is-stamping{animation:stamp .5s cubic-bezier(.34,1.4,.5,1) both}
@keyframes stamp{
  0%{transform:scale(1.34) rotate(-7deg);opacity:0;filter:blur(3px)}
  55%{opacity:1;filter:blur(0)}
  70%{transform:scale(.965) rotate(.6deg)}
  100%{transform:scale(1) rotate(0)}
}
body.no-motion .seal--full{animation:none!important}

/* ============================ RESPONSIVE =================================== */
@media (max-width:880px){
  .doors-grid{grid-template-columns:1fr}
  .door-rule{height:1px;width:100%}
  .nav .nav-link.hide-sm{display:none}
}
@media (max-width:560px){
  :root{--section-pad:84px}
  .hero{padding-top:120px}
  .nav .word{font-size:20px}
  .ac-stats{grid-template-columns:1fr 1fr}
  .ac-stat:nth-child(3){grid-column:1/-1;border-left:none;padding-left:0;margin-top:16px;border-top:1px solid var(--line);padding-top:16px}
  .foot{flex-direction:column;align-items:flex-start;gap:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto}
  .reveal{opacity:1!important;transform:none!important}
}