/* ============================================================
   BRAVE-AX Corp. — style.css
   Matte Black #15171A / Signal Red #ED1C24 / Pure White #FFFFFF
   Headings: Chakra Petch / Body: Noto Sans JP + Space Grotesk
   Labels & numerals: Space Mono
   ============================================================ */

:root{
  --black:#15171A;
  --black-2:#1A1D22;
  --black-3:#0F1113;
  --red:#ED1C24;
  --red-dark:#c4151c;
  --white:#FFFFFF;
  --gray:#F4F4F5;
  --map-bg:#e7e5df;
  --ff-head:'Chakra Petch','Noto Sans JP',sans-serif;
  --ff-body:'Noto Sans JP','Space Grotesk',sans-serif;
  --ff-mono:'Space Mono',monospace;
  --header-h:72px;
  --maxw:1280px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--white);
  color:var(--black);
  font-family:var(--ff-body);
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--red);color:var(--white)}
img{max-width:100%}
a{color:inherit}

@keyframes flowDown{
  0%{transform:translateY(-120%);opacity:0}
  25%{opacity:1}
  100%{transform:translateY(360%);opacity:0}
}

/* ---------- Layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:clamp(76px,10vw,140px) clamp(20px,5vw,56px);position:relative}
.wrap-narrow{max-width:920px;margin:0 auto;padding:clamp(60px,8vw,104px) clamp(20px,5vw,56px);position:relative}
.section{position:relative;overflow:hidden}
.sec-white{background:var(--white);color:var(--black);scroll-margin-top:var(--header-h)}
.sec-gray{background:var(--gray);color:var(--black);border-top:1px solid rgba(21,23,26,0.08)}
.sec-dark{background:var(--black);color:var(--white);scroll-margin-top:var(--header-h)}
.sec-darker{background:var(--black-3);color:var(--white)}

.grid-bg{
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.035) 1px,transparent 1px);
  background-size:58px 58px;
}
.grid-bg--faint{
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px);
  background-size:58px 58px;
}

/* Diagonal signal-red guide line */
.diag{position:absolute;top:-12%;width:1px;height:130%;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(237,28,36,0.7),transparent)}
.diag--right{right:9%;transform:rotate(17deg)}
.diag--left{left:9%;transform:rotate(-17deg)}

/* Faint monogram watermark */
.watermark{position:absolute;top:50%;width:auto;height:min(140%,860px);opacity:0.05;pointer-events:none;user-select:none;transform:translateY(-50%);object-fit:contain}
.watermark--hero{left:-80px;height:min(140%,860px)}
.watermark--services{right:-60px;height:min(120%,640px);opacity:0.06}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.eyebrow--center{justify-content:center}
.tick{width:30px;height:2px;background:var(--red);flex:none}
.eyebrow-label{font-family:var(--ff-mono);font-size:12px;letter-spacing:0.26em;text-transform:uppercase}

/* ---------- Type ---------- */
.h1{font-family:var(--ff-head);font-weight:700;font-size:clamp(36px,5.6vw,68px);line-height:1.16;letter-spacing:0.01em}
.h2{font-family:var(--ff-head);font-weight:700;font-size:clamp(28px,3.6vw,46px);line-height:1.25}
.h3{font-family:var(--ff-head);font-weight:600;font-size:21px;line-height:1.4}
.lead{font-family:var(--ff-body);line-height:2.05;text-wrap:pretty}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-body);font-weight:500;font-size:15px;text-decoration:none;padding:16px 28px;transition:background .15s,border-color .15s,color .15s;cursor:pointer;border:none}
.btn .arrow{font-family:var(--ff-mono)}
.btn-primary{background:var(--red);color:var(--white)}
.btn-primary:hover{background:var(--red-dark)}
.btn-ghost{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,0.28)}
.btn-ghost:hover{border-color:var(--white);background:rgba(255,255,255,0.05)}

/* ============================================================
   HEADER (fixed, flips dark -> white on scroll)
   ============================================================ */
.header-spacer{height:var(--header-h);flex:none}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:var(--black);
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  background:var(--white);
  border-bottom:1px solid rgba(21,23,26,0.10);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;
  padding:0 clamp(20px,5vw,56px);height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.header-logo{display:flex;align-items:center;text-decoration:none;flex:none}
.header-logo img{height:36px;width:auto;display:block}
.header-logo .logo-dark{display:none}
.site-header.scrolled .logo-light{display:none}
.site-header.scrolled .logo-dark{display:block}

.nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,38px)}
.nav-link{
  font-family:var(--ff-mono);font-size:12.5px;letter-spacing:0.13em;text-transform:uppercase;
  color:rgba(255,255,255,0.78);text-decoration:none;transition:color .25s;
}
.scrolled .nav-link{color:rgba(21,23,26,0.78)}
.nav-link:hover{color:var(--red)}
.nav-contact{
  font-family:var(--ff-mono);font-size:12.5px;letter-spacing:0.13em;text-transform:uppercase;
  color:var(--white);text-decoration:none;border:1px solid var(--red);padding:11px 20px;
  transition:background .25s,color .25s;
}
.scrolled .nav-contact{color:var(--black)}
.nav-contact:hover{background:var(--red);color:var(--white)}

.hamburger{
  display:none;flex:none;width:44px;height:44px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:transparent;border:1px solid rgba(255,255,255,0.18);cursor:pointer;padding:0;
}
.scrolled .hamburger{border-color:rgba(21,23,26,0.18)}
.hamburger span{display:block;width:18px;height:2px;background:var(--white);transition:background .25s}
.scrolled .hamburger span{background:var(--black)}
.hamburger span:last-child{background:var(--red)}

.mobile-menu{
  position:fixed;inset:var(--header-h) 0 0 0;z-index:99;background:var(--black);
  display:none;flex-direction:column;padding:clamp(24px,8vw,48px);gap:4px;
  border-top:1px solid rgba(255,255,255,0.08);
}
.mobile-menu.open{display:flex}
.mobile-link{
  font-family:var(--ff-head);font-weight:600;font-size:30px;letter-spacing:0.02em;
  color:var(--white);text-decoration:none;padding:18px 0;border-bottom:1px solid rgba(255,255,255,0.08);
}
.mobile-link--contact{font-weight:700;color:var(--red);border-bottom:none}

@media (max-width:900px){
  .nav{display:none}
  .hamburger{display:flex}
}

/* ============================================================
   HERO
   ============================================================ */
.hero-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(332px,1fr));gap:clamp(40px,5vw,76px);align-items:center}
.hero-eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:30px}
.hero-eyebrow .label{font-family:var(--ff-mono);font-size:12.5px;letter-spacing:0.3em;text-transform:uppercase;color:var(--red)}
.hero-title{font-family:var(--ff-head);font-weight:700;font-size:clamp(36px,5.6vw,68px);line-height:1.16;letter-spacing:0.01em;margin:0 0 28px}
.hero-sub{font-family:var(--ff-body);font-size:clamp(14.5px,1.4vw,16px);line-height:2.05;color:rgba(255,255,255,0.72);max-width:560px;margin:0 0 40px;text-wrap:pretty}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-padding{padding:clamp(60px,8vw,112px) clamp(20px,5vw,56px) clamp(72px,9vw,124px)}

/* ---------- Connection structure diagram ---------- */
.diagram{border:1px solid rgba(255,255,255,0.2);background:rgba(255,255,255,0.02);padding:clamp(22px,2.6vw,32px)}
.diagram-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.diagram-head .t{font-family:var(--ff-mono);font-size:16px;letter-spacing:0.18em;text-transform:uppercase;color:rgba(255,255,255,0.6)}
.diagram-head .n{font-family:var(--ff-mono);font-size:14px;letter-spacing:0.1em;color:rgba(255,255,255,0.4)}
.node{border:1px solid rgba(255,255,255,0.24);background:var(--black-2);padding:17px 20px}
.node-label{font-family:var(--ff-mono);font-size:14px;letter-spacing:0.14em;text-transform:uppercase;color:rgba(255,255,255,0.68)}
.node-text{font-family:var(--ff-body);font-size:16px;color:var(--white);margin-top:7px}
.node-scope{border:1px solid rgba(237,28,36,0.7);border-left:4px solid var(--red);background:var(--black-2);padding:17px 20px}
.node-scope-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.node-scope-head .t{font-family:var(--ff-mono);font-size:14px;letter-spacing:0.14em;text-transform:uppercase;color:var(--red);font-weight:700}
.node-scope-head .n{font-family:var(--ff-mono);font-size:14px;letter-spacing:0.08em;color:rgba(255,255,255,0.5)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
.chip{font-family:var(--ff-mono);font-size:16px;color:var(--white);border:1px solid rgba(255,255,255,0.28);padding:6px 12px}
.scope-note{display:flex;align-items:center;gap:10px;margin:16px 0 0}
.scope-note .bar{width:14px;height:2px;background:var(--red);flex:none}
.scope-note .txt{font-family:var(--ff-body);font-size:12.5px;color:rgba(255,255,255,0.62)}
.node-nested{border:1px solid rgba(255,255,255,0.18);background:var(--black);padding:15px 16px;margin-top:12px}
.connector{display:flex;justify-content:center;height:28px;position:relative;overflow:hidden}
.connector .rail{width:2px;height:100%;background:rgba(255,255,255,0.28)}
.connector .pulse{position:absolute;top:0;width:2px;height:12px;background:var(--red);animation:flowDown 2.4s linear infinite}
.connector .pulse.delay{animation-delay:.6s}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(36px,5vw,72px)}
.about-grid .eyebrow{margin-bottom:0}
.about-title{font-family:var(--ff-head);font-weight:700;font-size:clamp(30px,4vw,52px);line-height:1.22;letter-spacing:0.01em;margin:0}
.about-kicker{font-family:var(--ff-mono);font-size:12px;letter-spacing:0.14em;color:rgba(21,23,26,0.45);margin-top:24px}
.about-body{font-family:var(--ff-body);font-size:clamp(15px,1.4vw,17px);line-height:2.2;color:rgba(21,23,26,0.82);margin:0;max-width:620px;text-wrap:pretty}
.about-eyebrow{margin-bottom:46px}

/* ============================================================
   ROLE (4 cards)
   ============================================================ */
.role-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:1px;background:rgba(21,23,26,0.1);border:1px solid rgba(21,23,26,0.1)}
.role-card{background:var(--white);padding:clamp(28px,3vw,40px);transition:background .15s}
.role-num{font-family:var(--ff-mono);font-size:16px;letter-spacing:0.1em;color:var(--red);margin-bottom:24px}
.role-card .h3{margin:0 0 16px}
.role-text{font-family:var(--ff-body);font-size:13.5px;line-height:1.95;color:rgba(21,23,26,0.66);margin:0}

/* ============================================================
   ARCHITECTURE
   ============================================================ */
.arch-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(32px,4vw,64px);align-items:start;margin-bottom:clamp(48px,6vw,72px)}
.arch-title{font-family:var(--ff-head);font-weight:700;font-size:clamp(28px,3.8vw,48px);line-height:1.25;margin:0}
.arch-body{font-family:var(--ff-body);font-size:clamp(14px,1.3vw,15.5px);line-height:2.1;color:rgba(255,255,255,0.7);margin:0;max-width:560px;text-wrap:pretty}
.arch-diagram{max-width:760px;margin:0 auto}
.arch-frame{border:2px solid rgba(255,255,255,0.14);background:rgba(255,255,255,0.02);padding:clamp(22px,3vw,38px)}
.arch-node{border:2px solid rgba(255,255,255,0.14);background:var(--black-2);padding:clamp(18px,2vw,26px)}
.arch-node .label{font-family:var(--ff-mono);font-size:16px;letter-spacing:0.18em;text-transform:uppercase;color:rgba(255,255,255,0.55)}
.arch-node .text{font-family:var(--ff-body);font-size:16px;color:rgba(255,255,255,0.85);margin-top:8px}
.arch-scope{border:2px solid rgba(237,28,36,0.6);border-left:4px solid var(--red);background:var(--black-2);padding:clamp(18px,2vw,26px)}
.arch-scope-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.arch-scope-head .t{font-family:var(--ff-mono);font-size:16px;letter-spacing:0.18em;text-transform:uppercase;color:var(--red)}
.arch-scope-head .n{font-family:var(--ff-mono);font-size:14px;letter-spacing:0.08em;color:rgba(255,255,255,0.5)}
.arch-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.arch-chip{font-family:var(--ff-mono);font-size:16px;color:rgba(255,255,255,0.85);border:1px solid rgba(255,255,255,0.2);padding:6px 12px}
.arch-scope-note{display:flex;align-items:center;gap:10px;margin:20px 0 0}
.arch-scope-note .bar{width:18px;height:2px;background:var(--red);flex:none}
.arch-scope-note .txt{font-family:var(--ff-body);font-size:13.5px;color:rgba(255,255,255,0.64)}
.arch-nested{border:1px solid rgba(255,255,255,0.18);background:var(--black);padding:clamp(16px,1.8vw,22px);margin-top:14px}
.arch-connector{display:flex;justify-content:center;align-items:center;height:42px;position:relative;overflow:hidden;color:rgba(255,255,255,0.3)}
.arch-connector .rail{width:1px;height:100%;background:rgba(255,255,255,0.16)}
.arch-connector .pulse{position:absolute;top:0;width:1px;height:14px;background:var(--red);animation:flowDown 2.6s linear infinite}

/* ============================================================
   SERVICES (numbered rows)
   ============================================================ */
.services-list{border-top:1px solid rgba(21,23,26,0.12)}
.services-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.service-row{display:grid;grid-template-columns:auto minmax(220px,1fr) minmax(280px,1.5fr);gap:clamp(16px,3vw,48px);align-items:start;padding:clamp(28px,3.5vw,42px) 0;border-bottom:1px solid rgba(21,23,26,0.12);min-width:580px}
.service-num{font-family:var(--ff-mono);font-size:clamp(20px,2.4vw,30px);color:var(--red);line-height:1}
.service-title{font-family:var(--ff-head);font-weight:600;font-size:clamp(18px,1.8vw,23px);line-height:1.4;margin:0}
.service-text{font-family:var(--ff-body);font-size:14.5px;line-height:2;color:rgba(21,23,26,0.68);margin:0}

/* ============================================================
   AI WORKFLOW
   ============================================================ */
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(32px,4vw,64px);align-items:start}
.split-title{font-family:var(--ff-head);font-weight:700;font-size:clamp(26px,3.4vw,44px);line-height:1.3;margin:0}
.split-body{font-family:var(--ff-body);font-size:clamp(14.5px,1.4vw,16.5px);line-height:2.15;color:rgba(21,23,26,0.78);margin:0;max-width:600px;text-wrap:pretty}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:clamp(40px,5vw,60px)}
.flow-step{font-family:var(--ff-mono);font-size:12.5px;color:var(--black);background:var(--white);border:1px solid rgba(21,23,26,0.15);padding:10px 16px}
.flow-step--end{color:var(--white);background:var(--black);border-color:var(--black)}
.flow-arrow{font-family:var(--ff-mono);color:var(--red)}

/* ============================================================
   DEVELOPMENT STYLE
   ============================================================ */
.dev-title{font-family:var(--ff-head);font-weight:700;font-size:clamp(26px,3.4vw,44px);line-height:1.32;margin:0 0 28px;max-width:900px}
.dev-body{font-family:var(--ff-body);font-size:clamp(14.5px,1.4vw,16.5px);line-height:2.15;color:rgba(255,255,255,0.72);margin:0 0 clamp(44px,5vw,64px);max-width:780px;text-wrap:pretty}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.1)}
.step{background:var(--black);padding:28px 24px}
.step-num{font-family:var(--ff-mono);font-size:16px;color:var(--red);margin-bottom:14px}
.step-text{font-family:var(--ff-body);font-size:21px;font-weight:500;color:var(--white)}

/* ============================================================
   MESSAGE
   ============================================================ */
.message{max-width:1000px;margin:0 auto;padding:clamp(84px,11vw,160px) clamp(20px,5vw,56px);position:relative;text-align:center}
.message .eyebrow-label{color:var(--white)}
.message-title{font-family:var(--ff-head);font-weight:700;font-size:clamp(28px,4.4vw,56px);line-height:1.28;margin:0 0 36px}
.message-body{font-family:var(--ff-body);font-size:clamp(14.5px,1.4vw,16.5px);line-height:2.2;color:rgba(255,255,255,0.74);margin:0 auto 48px;max-width:720px;text-wrap:pretty}
.diag--message{top:-20%;left:-5%;height:140%;transform:rotate(-15deg);background:linear-gradient(180deg,transparent,rgba(237,28,36,0.6),transparent)}

/* ============================================================
   COMPANY
   ============================================================ */
.company-list{margin:0;border-top:1px solid rgba(21,23,26,0.12)}
.company-row{display:grid;grid-template-columns:minmax(100px,0.28fr) minmax(0,1.8fr);gap:clamp(12px,2vw,28px);padding:20px 0;border-bottom:1px solid rgba(21,23,26,0.1)}
.company-row dt{font-family:var(--ff-mono);font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:rgba(21,23,26,0.5)}
.company-row dd{margin:0;font-family:var(--ff-body);font-size:15.5px;color:var(--black)}
.company-row dd.en{font-family:'Space Grotesk',sans-serif}
.company-row dd.multi{line-height:1.9}
.company-links{display:flex;flex-direction:column;gap:8px;line-height:1.95}
.company-link{color:var(--black);text-decoration:none;border-bottom:1px solid rgba(21,23,26,0.25);align-self:flex-start;transition:color .15s,border-color .15s}
.company-link:hover{color:var(--red);border-color:var(--red)}

/* ============================================================
   ACCESS
   ============================================================ */
.access-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(28px,4vw,48px);align-items:stretch}
.access-info{display:flex;flex-direction:column;justify-content:center;gap:32px}
.access-block{border-left:2px solid var(--red);padding-left:20px}
.access-block .k{font-family:var(--ff-mono);font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:rgba(21,23,26,0.45);margin-bottom:12px}
.access-zip{font-family:var(--ff-mono);font-size:13.5px;color:var(--black);margin-bottom:8px}
.access-addr{font-family:var(--ff-body);font-size:16.5px;font-weight:500;line-height:1.8;color:var(--black)}
.access-route{font-family:var(--ff-body);font-size:15px;font-weight:500;line-height:1.75;color:var(--black)}
.access-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.access-tag{font-family:var(--ff-body);font-size:13px;color:var(--black);background:var(--white);border:1px solid rgba(21,23,26,0.18);padding:8px 13px}
.access-map{border:1px solid rgba(21,23,26,0.14);min-height:340px;background:var(--map-bg)}
.access-map iframe{width:100%;height:100%;min-height:340px;border:0;display:block;filter:grayscale(0.2)}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--black);color:var(--white);border-top:1px solid rgba(255,255,255,0.08)}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:clamp(56px,7vw,88px) clamp(20px,5vw,56px) 40px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:48px 32px;align-items:start}
.footer-brand{max-width:360px}
.footer-logo{display:flex;align-items:center;margin-bottom:22px}
.footer-logo img{height:48px;width:auto;display:block}
.footer-tag{font-family:var(--ff-body);font-size:13.5px;line-height:1.9;color:rgba(255,255,255,0.6);margin:0}
.footer-forge{font-family:var(--ff-mono);font-size:16px;letter-spacing:0.18em;text-transform:uppercase;color:var(--red);margin-top:24px}
.footer-h{font-family:var(--ff-mono);font-size:13px;letter-spacing:0.2em;text-transform:uppercase;color:rgba(255,255,255,0.4);margin-bottom:20px}
.footer-nav{display:flex;flex-direction:column;gap:13px}
.footer-nav a{font-family:'Space Grotesk',sans-serif;font-size:14px;color:rgba(255,255,255,0.78);text-decoration:none;transition:color .15s}
.footer-nav a:hover{color:var(--red)}
.footer-addr{font-family:var(--ff-body);font-size:13.5px;line-height:1.95;color:rgba(255,255,255,0.7);margin:0}
.footer-domain{font-family:var(--ff-mono);font-size:12.5px;letter-spacing:0.06em;color:rgba(255,255,255,0.7);margin:18px 0 0}
.footer-bottom{margin-top:clamp(48px,6vw,72px);padding-top:28px;border-top:1px solid rgba(255,255,255,0.08);display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between}
.footer-copy{font-family:var(--ff-mono);font-size:14px;letter-spacing:0.08em;color:rgba(255,255,255,0.45)}
.footer-group{font-family:var(--ff-mono);font-size:14px;letter-spacing:0.14em;text-transform:uppercase;color:rgba(255,255,255,0.35)}

/* ============================================================
   PAGE TOP
   ============================================================ */
/* footer内インラインボタン */
.pagetop{display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-mono);font-size:11px;letter-spacing:0.22em;text-transform:uppercase;color:rgba(255,255,255,0.45);text-decoration:none;transition:color .2s;margin-left:auto}
.pagetop:hover{color:var(--red)}
.pagetop-arrow{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid currentColor;transition:border-color .2s,background .2s}
.pagetop:hover .pagetop-arrow{background:var(--red);border-color:var(--red);color:var(--white)}

/* フローティングボタン */
.pagetop-float{
  position:fixed;right:clamp(16px,3vw,40px);bottom:clamp(16px,3vw,40px);z-index:200;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  text-decoration:none;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease;
}
.pagetop-float.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.pagetop-float-box{
  width:52px;height:52px;
  background:var(--black);border:1px solid rgba(255,255,255,0.18);
  display:flex;align-items:center;justify-content:center;
  color:var(--white);
  transition:background .2s,border-color .2s;
  position:relative;overflow:hidden;
}
.pagetop-float-box::before{
  content:'';position:absolute;inset:0;
  background:var(--red);
  transform:scaleY(0);transform-origin:bottom;
  transition:transform .25s ease;
}
.pagetop-float:hover .pagetop-float-box{border-color:var(--red)}
.pagetop-float:hover .pagetop-float-box::before{transform:scaleY(1)}
.pagetop-float-box svg{position:relative;z-index:1}
.pagetop-float-text{font-family:var(--ff-mono);font-size:9px;letter-spacing:0.22em;text-transform:uppercase;color:rgba(255,255,255,0.5);transition:color .2s}
.pagetop-float:hover .pagetop-float-text{color:var(--red)}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form{display:flex;flex-direction:column;gap:30px}
.field{display:flex;flex-direction:column;gap:10px}
.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:30px}
.field-label{display:flex;align-items:center;gap:10px;font-family:var(--ff-mono);font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--black)}
.field-label--optional{color:rgba(21,23,26,0.55)}
.req{color:var(--red);font-size:10px}
.opt{font-size:10px}
.input,.textarea,.select{
  font-family:var(--ff-body);font-size:15px;color:var(--black);background:var(--white);
  border:1px solid rgba(21,23,26,0.22);padding:15px 16px;transition:border-color .15s;width:100%;
}
.input--mono{font-family:var(--ff-mono);font-size:14px}
.textarea{line-height:1.8;resize:vertical}
.select{appearance:none;border-radius:0}
.input::placeholder,.textarea::placeholder{color:rgba(21,23,26,0.32)}
.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--red)}
.error{font-family:var(--ff-body);font-size:12.5px;color:var(--red);display:none}
.error.show{display:block}
.input.invalid,.textarea.invalid,.select.invalid{border-color:var(--red)}
.consent{display:flex;align-items:flex-start;gap:12px;cursor:pointer}
.consent input{width:18px;height:18px;margin-top:2px;accent-color:var(--red);flex:none}
.consent span{font-family:var(--ff-body);font-size:14px;line-height:1.75;color:rgba(21,23,26,0.82)}
.form-submit{margin-top:8px}
.btn-submit{display:inline-flex;align-items:center;gap:12px;font-family:var(--ff-body);font-weight:500;font-size:16px;color:var(--white);background:var(--red);border:none;padding:18px 42px;cursor:pointer;transition:background .15s}
.btn-submit:hover{background:var(--red-dark)}

/* Page title band (contact) */
.title-band{position:relative;overflow:hidden}
.title-band .eyebrow-label{color:var(--red)}
.page-title{font-family:var(--ff-head);font-weight:700;font-size:clamp(34px,5vw,60px);line-height:1.2;margin:0 0 24px}
.page-lead{font-family:var(--ff-body);font-size:clamp(14.5px,1.4vw,16px);line-height:2.05;color:rgba(255,255,255,0.72);margin:0;max-width:640px;text-wrap:pretty}

/* Thanks page */
.thanks-wrap{flex:1;display:flex;align-items:center}
.thanks{max-width:760px;margin:0 auto;padding:clamp(72px,12vw,140px) clamp(20px,5vw,56px);position:relative;text-align:center}
.thanks-check{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border:1px solid rgba(237,28,36,0.5);margin-bottom:36px}
.thanks-eyebrow{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:28px}
.thanks-eyebrow .tick{width:24px}
.thanks-eyebrow .label{font-family:var(--ff-mono);font-size:11.5px;letter-spacing:0.28em;text-transform:uppercase;color:var(--red)}
.thanks-title{font-family:var(--ff-head);font-weight:700;font-size:clamp(28px,4.4vw,52px);line-height:1.3;margin:0 0 28px}
.thanks-body{font-family:var(--ff-body);font-size:clamp(14.5px,1.4vw,16.5px);line-height:2.15;color:rgba(255,255,255,0.74);margin:0 auto 48px;max-width:540px;text-wrap:pretty}
.page-min{min-height:100vh;display:flex;flex-direction:column}