/* ============================================================
   Day One — single-page site
   Tokens lifted from Day One Design System. Brief-led evolution:
   pill buttons, 16–20px radii, halftone card texture, 3D logo.
   ============================================================ */

/* ---- Sora (self-hosted) ---- */
@font-face { font-family:"Sora"; font-weight:300; font-style:normal; src:url("fonts/Sora-Light.ttf") format("truetype"); font-display:swap; }
@font-face { font-family:"Sora"; font-weight:400; font-style:normal; src:url("fonts/Sora-Regular.ttf") format("truetype"); font-display:swap; }
@font-face { font-family:"Sora"; font-weight:500; font-style:normal; src:url("fonts/Sora-Medium.ttf") format("truetype"); font-display:swap; }
@font-face { font-family:"Sora"; font-weight:600; font-style:normal; src:url("fonts/Sora-SemiBold.ttf") format("truetype"); font-display:swap; }
@font-face { font-family:"Sora"; font-weight:700; font-style:normal; src:url("fonts/Sora-Bold.ttf") format("truetype"); font-display:swap; }
@font-face { font-family:"Sora"; font-weight:800; font-style:normal; src:url("fonts/Sora-ExtraBold.ttf") format("truetype"); font-display:swap; }

:root{
  --do-black:#000; --do-pink:#E61B72; --do-yellow:#FFEC00; --do-blue:#2D64DA; --do-white:#FFF;
  --gray-light:#F5F5F5; --gray-mid:#E0E0E0; --gray-text:#6B6B6B; --gray-deep:#1A1A1A;
  --font:"Sora",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --r-btn:999px;       /* pill per brief */
  --r-card:20px;
  --r-sm:14px;

  --ease-out:cubic-bezier(.22,.61,.36,1);
  --maxw:1200px;
  --pad:clamp(20px,5vw,80px);
}

*{box-sizing:border-box;}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;}
body{
  margin:0; font-family:var(--font); color:var(--do-white);
  background:var(--do-black);
  font-size:16px; line-height:1.6;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,p{margin:0;}

/* ---- shared type ---- */
.eyebrow{
  font-size:12px; font-weight:600; letter-spacing:.16em; text-transform:uppercase;
  color:var(--gray-text); margin:0 0 20px;
}
.eyebrow.on-yellow{color:rgba(0,0,0,.55);}
.display{
  font-weight:800; line-height:.98; letter-spacing:-.025em;
  font-size:clamp(34px,5.4vw,68px);
}
.lead{
  font-weight:400; font-size:clamp(17px,1.5vw,21px); line-height:1.6;
  color:rgba(255,255,255,.72);
}
.lead.on-light{color:var(--gray-text);}

/* ---- layout ---- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}
section{position:relative;}
.sec-pad{padding-top:clamp(72px,11vw,128px);padding-bottom:clamp(72px,11vw,128px);}

/* ============================================================
   SVG LOGO PLACEMENTS
   ============================================================ */
.hero-logo-wrap{
  display:flex;align-items:center;justify-content:center;
}
.hero-logo-img{
  width:clamp(180px,36vw,420px);
  height:auto;
  display:block;
}
.panel-logo-img{
  width:clamp(160px,72%,300px);
  height:auto;
  display:block;
}

/* ============================================================
   3D EXTRUDED "DAY ONE" LOGO
   White face · black keyline · pink extruded depth
   ============================================================ */
.logo3d{
  font-family:var(--font); font-weight:800; text-transform:uppercase;
  letter-spacing:-.01em; line-height:.84; color:var(--do-white);
  -webkit-text-stroke:2.5px var(--do-black);
  text-shadow:
    2px 2px 0 var(--do-pink), 3px 3px 0 var(--do-pink), 4px 4px 0 var(--do-pink),
    5px 5px 0 var(--do-pink), 6px 6px 0 var(--do-pink), 7px 7px 0 var(--do-pink),
    8px 8px 0 var(--do-pink), 9px 9px 0 var(--do-pink), 10px 10px 0 var(--do-pink),
    11px 11px 0 var(--do-pink), 12px 12px 0 var(--do-pink),
    13px 13px 0 var(--do-black), 14px 14px 0 var(--do-black), 15px 15px 0 var(--do-black);
  user-select:none;
}
.hero .logo3d{ font-size:clamp(74px,17vw,210px); }
.hero .logo3d .l2{ display:block; }

/* ============================================================
   HERO SCROLL ARROW
   ============================================================ */
.hero-scroll{
  position:absolute;
  bottom:clamp(60px,8vw,90px);
  left:50%;transform:translateX(-50%);
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  color:var(--do-black);
  animation:arrowBounce 1.8s ease-in-out infinite;
  transition:opacity .2s;
}
.hero-scroll:hover{opacity:.6;}
.hero-scroll svg{width:28px;height:28px;}
@keyframes arrowBounce{
  0%,100%{transform:translateX(-50%) translateY(0);}
  50%{transform:translateX(-50%) translateY(10px);}
}
@media (prefers-reduced-motion:reduce){.hero-scroll{animation:none;}}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font);font-weight:600;font-size:15px;
  padding:14px 26px;border-radius:var(--r-btn);
  border:2px solid transparent;cursor:pointer;
  transition:background var(--ease-out) .2s,color .2s var(--ease-out),border-color .2s var(--ease-out),transform .2s var(--ease-out);
  white-space:nowrap;
}
.btn-primary{ background:var(--do-pink); color:var(--do-white); }
.btn-primary:hover{ background:var(--do-black); color:var(--do-white); }
.btn-ghost-light{ background:transparent;color:var(--do-white);border-color:rgba(255,255,255,.4); }
.btn-ghost-light:hover{ background:var(--do-white);color:var(--do-black);border-color:var(--do-white); }
.btn-ghost-dark{ background:transparent;color:var(--do-black);border-color:var(--do-black); }
.btn-ghost-dark:hover{ background:var(--do-black);color:var(--do-white); }
.btn-sm{ padding:11px 20px;font-size:14px; }
.btn .ico{width:18px;height:18px;display:block;}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  min-height:100vh; min-height:100svh; padding:16px; background:var(--do-black);
}
.hero-block{
  position:relative;height:calc(100vh - 32px);height:calc(100svh - 32px);
  background:var(--do-yellow);border-radius:var(--r-card);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.hero-topbar{
  position:absolute;top:0;left:0;right:0;
  display:flex;align-items:center;justify-content:flex-end;
  padding:clamp(18px,3vw,30px) clamp(20px,4vw,40px);
}
.hero-pill{
  display:inline-flex;align-items:center;gap:10px;
  border:2px solid var(--do-black);border-radius:var(--r-btn);
  padding:11px 20px;font-weight:600;font-size:15px;color:var(--do-black);
  background:transparent;transition:background .2s var(--ease-out),color .2s var(--ease-out);
}
.hero-pill:hover{background:var(--do-black);color:var(--do-yellow);}
.hero-pill .ico{width:18px;height:18px;}
.hero-tag{
  position:absolute;left:0;right:0;bottom:clamp(22px,4vw,40px);
  text-align:center;font-weight:600;font-size:clamp(12px,1.3vw,15px);
  letter-spacing:.16em;text-transform:uppercase;color:rgba(0,0,0,.62);
}

/* ============================================================
   STICKY NAV — floating pill
   ============================================================ */
.nav{
  position:fixed;top:20px;left:50%;transform:translateX(-50%) translateY(-160%);
  z-index:60;width:auto;
  background:var(--do-black);
  border-radius:999px;
  box-shadow:0 8px 32px rgba(0,0,0,.45),0 2px 8px rgba(0,0,0,.3);
  transition:transform .38s var(--ease-out),background .25s var(--ease-out),box-shadow .25s var(--ease-out);
  white-space:nowrap;
}
.nav.show{transform:translateX(-50%) translateY(0);}
.nav-inner{
  padding:8px 8px 8px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.nav-logo{font-weight:800;letter-spacing:-.01em;font-size:18px;color:#fff;transition:color .2s var(--ease-out);}
.nav-logo img{height:26px;width:auto;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{font-size:14px;font-weight:500;color:rgba(255,255,255,.78);transition:color .2s var(--ease-out);}
.nav-links a:hover{color:var(--do-pink);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-burger{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:4px;transition:color .2s var(--ease-out);}

/* nav on dark background → flip to yellow */
.nav--on-dark{background:var(--do-yellow);box-shadow:0 8px 32px rgba(0,0,0,.2);}
.nav--on-dark .nav-logo{color:var(--do-black);}
.nav--on-dark .nav-links a{color:rgba(0,0,0,.72);}
.nav--on-dark .nav-links a:hover{color:var(--do-pink);}
.nav--on-dark .nav-burger{color:var(--do-black);}
.nav--on-dark .btn-primary{background:var(--do-black);color:#fff;}
.nav--on-dark .btn-primary:hover{background:var(--do-pink);}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu{
  position:fixed;inset:0;z-index:70;
  background:var(--do-black);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease-out);
}
.mobile-menu.open{opacity:1;pointer-events:all;}
.mobile-close{
  position:absolute;top:24px;right:24px;
  background:none;border:0;color:#fff;cursor:pointer;
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  transition:color .2s var(--ease-out);
}
.mobile-close:hover{color:var(--do-yellow);}
.mobile-links{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:20px;}
.mobile-links a{
  font-size:clamp(32px,9vw,52px);font-weight:800;color:#fff;
  letter-spacing:-.02em;line-height:1.1;
  transition:color .15s var(--ease-out);
}
.mobile-links a:hover{color:var(--do-yellow);}

/* ============================================================
   INTRO / POSITIONING
   ============================================================ */
.intro .display{max-width:14ch;}
.intro-sub{font-weight:600;font-size:clamp(18px,2vw,26px);margin-top:24px;color:var(--do-yellow);letter-spacing:-.01em;}
.intro p.body{max-width:60ch;margin-top:24px;color:rgba(255,255,255,.66);font-size:17px;}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust{border-top:1px solid rgba(255,255,255,.08);padding:48px 0;}
.trust-label{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--gray-text);text-align:center;margin-bottom:28px;}
.logo-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:clamp(28px,5vw,64px);
}
.client{
  font-weight:700;font-size:clamp(16px,2vw,22px);letter-spacing:.01em;
  color:rgba(255,255,255,.5);transition:color .25s var(--ease-out);white-space:nowrap;
}
.client:hover{color:#fff;}
.client .sub{font-weight:400;font-size:.62em;letter-spacing:.04em;display:block;color:rgba(255,255,255,.32);}

/* ============================================================
   PROBLEM (light)
   ============================================================ */
.problem{background:var(--gray-light);color:var(--do-black);}
.problem h2{
  font-weight:800;letter-spacing:-.02em;line-height:1.04;color:var(--do-black);
  font-size:clamp(28px,4.2vw,52px);max-width:18ch;
}
.problem .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px);margin-top:44px;}
.problem .grid p{color:var(--gray-text);font-size:17px;max-width:52ch;}
.problem .emph{color:var(--do-pink);}

/* ============================================================
   PILLARS — 2x2, coloured outlines, halftone corner
   ============================================================ */
.pillars{background:var(--do-black);}
.pillar-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,2.5vw,28px);margin-top:48px;}
.pcard{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:#0a0a0a;border:2px solid var(--cardc,rgba(255,255,255,.16));
  padding:clamp(28px,3.5vw,44px);min-height:240px;
  display:flex;flex-direction:column;
  transition:transform .25s var(--ease-out),box-shadow .25s var(--ease-out);
}
.pcard:hover{transform:translateY(-4px);}
.pcard .pnum{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--cardc,#fff);opacity:.85;}
.pcard h3{font-weight:700;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.01em;margin-top:14px;color:#fff;}
.pcard p{margin-top:14px;color:rgba(255,255,255,.6);font-size:16px;max-width:38ch;}
.pcard .tag{margin-top:auto;padding-top:24px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--cardc,#fff);}
/* halftone dot texture, bottom-right */
.halftone{
  position:absolute;right:-30px;bottom:-30px;width:200px;height:200px;pointer-events:none;
  background-image:radial-gradient(var(--cardc,#fff) 1.6px,transparent 1.7px);
  background-size:13px 13px;
  -webkit-mask-image:radial-gradient(120px 120px at 100% 100%,#000 0%,transparent 72%);
          mask-image:radial-gradient(120px 120px at 100% 100%,#000 0%,transparent 72%);
  opacity:.26;animation:halftonePulse 5.5s ease-in-out infinite;
}
@keyframes halftonePulse{0%,100%{opacity:.18;}50%{opacity:.34;}}

/* ============================================================
   SENIOR LEADER (yellow)
   ============================================================ */
.leader{background:var(--do-yellow);color:var(--do-black);}
.leader h2{font-weight:800;letter-spacing:-.02em;line-height:1.02;font-size:clamp(30px,4.6vw,60px);max-width:16ch;color:var(--do-black);}
.leader p{margin-top:32px;max-width:62ch;font-size:clamp(17px,1.6vw,20px);color:rgba(0,0,0,.78);line-height:1.6;}
.leader .kicker{font-weight:700;color:var(--do-pink);}

/* ============================================================
   AI SECTION (black)
   ============================================================ */
.ai h2{font-weight:800;letter-spacing:-.02em;line-height:1.04;font-size:clamp(28px,4.2vw,54px);max-width:18ch;}
.ai .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px);margin-top:40px;}
.ai .grid p{color:rgba(255,255,255,.66);font-size:17px;max-width:52ch;}
.ai .pink{color:var(--do-pink);}

/* ============================================================
   CONTACT (yellow, two-column)
   ============================================================ */
.contact{background:var(--do-yellow);color:var(--do-black);}
.contact-grid{display:grid;grid-template-columns:1fr;gap:0;max-width:560px;}
.contact h2{font-weight:800;letter-spacing:-.02em;font-size:clamp(34px,5vw,64px);color:var(--do-pink);line-height:.98;}
.contact .sub{margin-top:18px;font-size:18px;color:rgba(0,0,0,.72);max-width:38ch;}
.form{margin-top:34px;display:flex;flex-direction:column;gap:14px;max-width:480px;}
.field label{display:block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(0,0,0,.6);margin-bottom:7px;}
.field input,.field textarea{
  width:100%;font-family:var(--font);font-size:16px;color:var(--do-black);
  background:var(--do-white);border:2px solid var(--do-black);border-radius:var(--r-sm);
  padding:14px 16px;outline:none;transition:border-color .2s var(--ease-out),box-shadow .2s var(--ease-out);
}
.field input:focus,.field textarea:focus{border-color:var(--do-pink);box-shadow:0 0 0 3px rgba(230,27,114,.18);}
.field textarea{resize:vertical;min-height:120px;}
.form .btn-primary{justify-content:center;margin-top:6px;}
.form .btn-primary:hover{background:var(--do-black);}
.form-note{font-size:14px;color:rgba(0,0,0,.6);}
.form-success{display:none;background:var(--do-black);color:#fff;border-radius:var(--r-sm);padding:18px 20px;font-weight:500;}
.form-success.show{display:block;}

/* (panel removed) */

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--do-black);border-top:1px solid rgba(255,255,255,.08);padding:40px 0;}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.footer-logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;}
.footer-logo img{height:24px;}
.footer-links{display:flex;gap:26px;flex-wrap:wrap;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s var(--ease-out);}
.footer-links a:hover{color:var(--do-pink);}
.footer-copy{font-size:13px;color:rgba(255,255,255,.45);}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .55s var(--ease-out),transform .55s var(--ease-out);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .halftone{animation:none;}
  html{scroll-behavior:auto;}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:860px){
  .nav-links{display:none;}
  .nav-cta-btn{display:none;}
  .nav-burger{display:flex;}
  .pillar-grid{grid-template-columns:1fr;}
  .problem .grid,.ai .grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .hero{padding:10px;}
  .hero-block{height:calc(100svh - 20px);}
  .footer-inner{flex-direction:column;align-items:flex-start;}
}