/* =========================================================
   THE BUYERS HAUS — Base layer (tokens · nav · hero · footer)
   Shared across all homepage directions.
   ========================================================= */

@font-face{font-family:'Safira March';src:url('fonts/Safira_March.ttf') format('truetype');font-weight:normal;font-style:normal;font-display:swap;}

:root{
  --espresso:#3B2A24;
  --espresso-deep:#332420;
  --espresso-light:#4d3830;
  --ivory:#F6F1EC;
  --ivory-warm:#E8E2DB;
  --olive:#6B7357;
  --mauve:#8B6E6B;
  --mauve-light:#A8908D;
  --ivory-dim:rgba(246,241,236,0.78);
  --ivory-faint:rgba(246,241,236,0.55);
  --rule:rgba(246,241,236,0.08);
  --rule-strong:rgba(246,241,236,0.16);
  --rule-dark:rgba(59,42,36,0.14);
  --fd:'Safira March',Georgia,serif;
  --fb:'Red Hat Display',sans-serif;
  --ease:cubic-bezier(0.25,0.46,0.45,0.94);
  --ease-out:cubic-bezier(0,0,0.2,1);
  --t:0.42s;
  --ts:0.72s;
  --gut:clamp(1.5rem,5vw,4.5rem);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;}
body{background:var(--espresso);color:var(--ivory);font-family:var(--fb);font-weight:400;line-height:1.7;overflow-x:hidden;cursor:default;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--fd);font-weight:normal;line-height:1.12;}
::selection{background:var(--mauve);color:var(--ivory);}

/* ---- shared type helpers ---- */
.eyebrow{font-family:var(--fb);font-size:.66rem;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--mauve);}
.eyebrow-l{color:var(--mauve);}
.body-lg{font-size:clamp(.95rem,1.2vw,1.06rem);font-weight:300;line-height:1.85;}
.rule{width:36px;height:1px;background:var(--mauve);margin:1.8rem 0;}
.rule-c{margin:1.8rem auto;}
.wrap{max-width:1280px;margin:0 auto;padding:0 var(--gut);}
.wrap-n{max-width:820px;margin:0 auto;padding:0 var(--gut);}
.sec{padding:clamp(6.5rem,12vw,10.5rem) 0;}
em{font-style:italic;}
h1 em,h2 em,h3 em,.serif-em em{color:var(--mauve-light);}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.75rem;font-family:var(--fb);font-size:.72rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;padding:1.05rem 2.6rem;border:1px solid var(--ivory);color:var(--ivory);background:transparent;cursor:pointer;position:relative;overflow:hidden;transition:color var(--t) var(--ease);border-radius:999px;}
.btn::before{content:'';position:absolute;inset:0;background:var(--ivory);transform:translateX(-101%);transition:transform var(--t) var(--ease);z-index:0;}
.btn:hover::before{transform:translateX(0);}
.btn:hover{color:var(--espresso);}
.btn span{position:relative;z-index:1;}
.btn-solid{background:var(--ivory);color:var(--espresso);border-color:var(--ivory);}
.btn-solid::before{background:var(--espresso);}
.btn-solid:hover{color:var(--ivory);}
.btn-ghost{border-color:rgba(246,241,236,.26);color:var(--ivory-dim);}
.btn-ghost::before{background:rgba(246,241,236,.07);}
.btn-ghost:hover{color:var(--ivory);border-color:var(--ivory);}
.btn-warm{border-color:var(--espresso);color:var(--espresso);}
.btn-warm::before{background:var(--espresso);}
.btn-warm:hover{color:var(--ivory);}

.alink{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--fb);font-size:.72rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--ivory-dim);border-bottom:1px solid transparent;padding-bottom:3px;transition:color var(--t) var(--ease),gap var(--t) var(--ease),border-color var(--t);}
.alink:hover{color:var(--ivory);border-bottom-color:var(--mauve);gap:1rem;}
.alink-dark{color:rgba(59,42,36,.72);}
.alink-dark:hover{color:var(--espresso);border-bottom-color:var(--mauve);}

/* ---- navigation ---- */
nav.tbh-nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:1.7rem var(--gut);display:flex;align-items:center;justify-content:space-between;gap:clamp(1rem,2vw,2.5rem);flex-wrap:nowrap;border-bottom:1px solid transparent;transition:background var(--ts) var(--ease),padding var(--ts),border-color var(--ts),transform .6s var(--ease);}
nav.tbh-nav.tucked{transform:translateY(-100%);}
nav.tbh-nav.scrolled{background:rgba(59,42,36,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding-top:1.05rem;padding-bottom:1.05rem;border-bottom-color:var(--rule);}
.logo{font-family:var(--fd);font-size:1.3rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ivory);transition:opacity var(--t);display:inline-flex;align-items:center;gap:.35rem;flex:0 0 auto;}
.logo:hover{opacity:.65;}
.logo .the{font-style:italic;font-size:.9rem;letter-spacing:.04em;text-transform:none;}
.logo-svg{height:clamp(1.7rem,2.3vw,2.2rem);width:auto;display:block;color:var(--ivory);}
.nav-links{display:flex;align-items:center;gap:clamp(1.15rem,2.3vw,2.6rem);list-style:none;}
.nav-links a{font-family:var(--fb);font-size:.7rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;white-space:nowrap;color:rgba(246,241,236,.55);transition:color var(--t);position:relative;}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--mauve);transition:width var(--t) var(--ease);}
.nav-links a:hover,.nav-links a.active{color:var(--ivory);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-cta{font-family:var(--fb);font-size:.68rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;white-space:nowrap;color:var(--espresso);background:var(--ivory);padding:.7rem clamp(1.2rem,1.6vw,1.7rem);border-radius:999px;transition:background var(--t),color var(--t);}
.nav-cta:hover{background:var(--mauve);color:var(--ivory);}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px;}
.burger span{display:block;width:24px;height:1px;background:var(--ivory);transition:transform var(--t) var(--ease),opacity var(--t);}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mob-menu{position:fixed;inset:0;background:var(--espresso);z-index:99;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2.4rem;opacity:0;pointer-events:none;transition:opacity var(--ts);}
.mob-menu.open{opacity:1;pointer-events:all;}
.mob-menu a{font-family:var(--fd);font-size:clamp(2rem,6vw,3.2rem);color:var(--ivory);transition:color var(--t);}
.mob-menu a:hover{color:var(--mauve);}
.mob-close{position:absolute;top:1.8rem;right:var(--gut);font-size:1.5rem;cursor:pointer;color:var(--ivory-dim);background:none;border:none;transition:color var(--t);}
.mob-close:hover{color:var(--ivory);}

/* ---- hero (the loved one — video, blend-mode logo) ---- */
.hero{position:relative;height:100vh;min-height:720px;display:flex;align-items:flex-end;overflow:hidden;}
.hero-video{position:absolute;inset:0;z-index:0;display:none;}
.hero-video video{width:100%;height:100%;object-fit:cover;object-position:center;filter:grayscale(1) brightness(.72);}
.hero-video.active{display:block;}
.hero-video.active + .hero-img{display:none;}
.hero-img{position:absolute;inset:0;z-index:0;}
.hero-img img{width:100%;height:100%;object-fit:cover;object-position:center 35%;}
.hero-img::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(59,42,36,.88) 0%,rgba(59,42,36,.42) 55%,rgba(75,67,55,.18) 100%);z-index:1;}
.hero-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:55%;background:linear-gradient(to top,var(--espresso),transparent);z-index:2;}
.hero-video::before{content:'';position:absolute;inset:0;background:rgba(59,42,36,.42);z-index:1;}
.hero-video::after{content:'';position:absolute;bottom:0;left:0;right:0;height:65%;background:linear-gradient(to top,rgba(59,42,36,1) 0%,rgba(59,42,36,.6) 40%,transparent 100%);z-index:2;}
.hero-logo-overlay{position:absolute;top:42%;left:50%;transform:translate(-50%,-50%);width:clamp(640px,92vw,1700px);opacity:0;pointer-events:none;transition:opacity 1.4s ease .8s;}
.hero-logo-overlay img{width:100%;display:block;}
.hero-logo-overlay .logo-svg{width:100%;height:auto;}
/* base negative layer: inverts the moving video — the signature effect */
.hero-logo-neg{z-index:4;mix-blend-mode:difference;}
.hero-logo-neg .logo-svg{color:#fff;}
/* ivory tint layer over the top: `color` blend strips the cold blue and
   imposes the warm ivory hue while keeping the video's moving luminance,
   so the negative effect plays through the letters — just warm, not blue */
.hero-logo-tint{z-index:5;mix-blend-mode:color;}
.hero-logo-tint .logo-svg{color:var(--ivory);}
.hero.logo-ready .hero-logo-neg{opacity:1;}
.hero.logo-ready .hero-logo-tint{opacity:1;}
.hero.logo-ready .hero-h1{font-size:clamp(1.8rem,3.4vw,3.1rem);}
.hero.logo-ready .hero-sub{display:none;}
.hero.logo-ready .hero-body{padding-bottom:clamp(2.5rem,4vw,4rem);}
.hero-body{position:relative;z-index:3;padding:0 var(--gut) clamp(4rem,8vw,7rem);max-width:1280px;margin:0 auto;width:100%;}
.hero-eye{font-family:var(--fb);font-size:.66rem;font-weight:500;letter-spacing:.32em;text-transform:uppercase;color:var(--mauve-light);margin-bottom:1.5rem;opacity:0;transform:translateY(20px);animation:fadeUp .9s var(--ease) .3s forwards;}
.hero-h1{font-family:var(--fd);font-size:clamp(2.8rem,6.5vw,5.8rem);line-height:1.05;letter-spacing:-.01em;color:var(--ivory);max-width:860px;opacity:0;transform:translateY(30px);animation:fadeUp 1s var(--ease) .5s forwards;}
.hero-h1 em{color:var(--mauve-light);}
.hero-sub{font-size:clamp(.92rem,1.3vw,1.05rem);font-weight:300;line-height:1.8;color:var(--ivory-dim);max-width:520px;margin-top:1.8rem;opacity:0;transform:translateY(20px);animation:fadeUp .9s var(--ease) .8s forwards;}
.hero-acts{display:flex;gap:1.2rem;margin-top:2.8rem;flex-wrap:wrap;opacity:0;transform:translateY(20px);animation:fadeUp .9s var(--ease) 1s forwards;}
.hero-scroll{position:absolute;bottom:2.5rem;right:var(--gut);z-index:3;display:flex;flex-direction:column;align-items:center;gap:.6rem;opacity:0;animation:fadeIn 1s ease 1.8s forwards;border:1px solid rgba(246,241,236,.16);border-radius:999px;padding:1.3rem .8rem 1.1rem;}
.hero-scroll span{font-family:var(--fb);font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(246,241,236,.32);writing-mode:vertical-rl;}
.scroll-line{width:1px;height:50px;background:linear-gradient(to bottom,rgba(246,241,236,.36),transparent);animation:scrollLine 2.2s ease-in-out infinite;}

/* ---- the arch — TBH signature soft edge ---- */
.arch{border-radius:999px 999px 0 0;overflow:hidden;}
.arch::after{border-radius:999px 999px 0 0;}
.chip{display:inline-flex;align-items:center;border:1px solid rgba(246,241,236,.24);border-radius:999px;padding:.6em 1.4em;}

/* ---- footer + cta band ---- */
.ftr-cta{background:var(--ivory-warm);color:var(--espresso);text-align:center;padding:clamp(5.5rem,11vw,9rem) 0;position:relative;overflow:hidden;}
.ftr-cta .eyebrow{color:var(--mauve);}
.ftr-cta h2{font-size:clamp(2.2rem,4.4vw,3.8rem);color:var(--espresso);margin-bottom:1.2rem;}
.ftr-cta p{font-size:clamp(.95rem,1.1vw,1.02rem);font-weight:300;color:rgba(59,42,36,.62);margin-bottom:2.8rem;max-width:520px;margin-left:auto;margin-right:auto;}
footer{background:var(--espresso-deep);padding:4.5rem 0 2rem;border-top:1px solid var(--rule);}
.ftr-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:4rem;margin-bottom:4.5rem;}
.ftr-brand .tagline{font-family:var(--fb);font-size:.66rem;font-weight:500;letter-spacing:.18em;color:var(--mauve);text-transform:uppercase;margin-top:.9rem;}
.ftr-brand p{font-size:.88rem;font-weight:300;line-height:1.8;color:rgba(246,241,236,.55);margin-top:1.2rem;max-width:280px;}
.ftr-nav h4,.ftr-contact h4{font-family:var(--fb);font-size:.62rem;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--mauve);margin-bottom:1.5rem;}
.ftr-nav ul{list-style:none;display:flex;flex-direction:column;gap:.8rem;}
.ftr-nav a,.ftr-contact a{font-size:.88rem;font-weight:300;color:rgba(246,241,236,.68);transition:color var(--t);}
.ftr-nav a:hover,.ftr-contact a:hover{color:var(--ivory);}
.ftr-contact p{font-size:.86rem;font-weight:300;color:rgba(246,241,236,.68);line-height:2.1;}
.ftr-btm{border-top:1px solid var(--rule);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;}
.ftr-btm p,.ftr-btm a{font-size:.68rem;font-weight:300;color:rgba(246,241,236,.22);}
.ftr-btm a:hover{color:rgba(246,241,236,.5);}
.ftr-legal{display:flex;gap:1.5rem;}

/* ---- reading progress hairline ---- */
.page-prog{position:fixed;top:0;left:0;right:0;height:2px;background:var(--mauve);transform-origin:0 50%;transform:scaleX(0);z-index:300;pointer-events:none;}

/* ---- motion system ---- */
.reveal{opacity:0;transform:translateY(26px);filter:blur(7px);transition:opacity 1.05s var(--ease-out),transform 1.05s var(--ease-out),filter 1.05s var(--ease-out);}
.reveal.in{opacity:1;transform:translateY(0);filter:blur(0);}
.d1{transition-delay:.08s;}.d2{transition-delay:.18s;}.d3{transition-delay:.28s;}.d4{transition-delay:.38s;}

/* quiet image reveal — wrap img in .ir: fade + slow settle */
.ir{position:relative;overflow:hidden;}
.ir img{opacity:0;transform:scale(1.04);transition:opacity 1.2s var(--ease-out),transform 2s var(--ease);}
.ir.in img{opacity:1;transform:scale(1);}
/* fx-engine images opt out of CSS transforms (JS owns them) */
.ir img[data-px],.ir img[data-zoom]{transform:none;transition:opacity 1.2s var(--ease-out);}
.px-wrap img[data-px]{height:114%;margin-top:-7%;}

/* parallax: [data-px] inner element shifted on scroll */
[data-px]{will-change:transform;}
.px-wrap{overflow:hidden;position:relative;}
.px-wrap img{width:100%;height:112%;object-fit:cover;}

/* ---- direction switcher (design review chrome) ---- */
.dir-switch{position:fixed;bottom:1.4rem;left:1.4rem;z-index:200;display:flex;align-items:center;gap:.15rem;background:rgba(35,24,20,.92);backdrop-filter:blur(12px);border:1px solid rgba(246,241,236,.14);padding:.3rem;border-radius:0;}
.dir-switch .ds-lbl{font-family:var(--fb);font-size:.58rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:rgba(246,241,236,.4);padding:0 .7rem;}
.dir-switch a{font-family:var(--fd);font-size:.85rem;color:rgba(246,241,236,.5);padding:.42rem .85rem;transition:color var(--t),background var(--t);}
.dir-switch a:hover{color:var(--ivory);background:rgba(246,241,236,.06);}
.dir-switch a.on{color:var(--espresso);background:var(--ivory);}

/* ---- film grain — subtle, per brand guide ---- */
.grain{position:fixed;inset:0;z-index:998;pointer-events:none;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:240px 240px;}

/* ---- subpage header — image, scrim, title ---- */
.page-hdr{position:relative;padding:clamp(11rem,19vw,17rem) 0 clamp(5.5rem,9vw,8rem);overflow:hidden;}
.page-hdr-img{position:absolute;inset:0;z-index:0;}
.page-hdr-img img{width:100%;height:114%;margin-top:-7%;object-fit:cover;object-position:center 40%;}
.page-hdr-img::before{content:'';position:absolute;inset:0;background:rgba(59,42,36,.72);z-index:1;}
.page-hdr-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60%;background:linear-gradient(to top,var(--espresso),transparent);z-index:2;}
.page-hdr .wrap{position:relative;z-index:3;}
.page-hdr .eyebrow{margin-bottom:1.6rem;display:block;color:var(--mauve-light);letter-spacing:.3em;}
.page-hdr h1{font-size:clamp(2.6rem,5.4vw,4.8rem);max-width:880px;line-height:1.08;}
.page-hdr h1 em{color:var(--mauve-light);}
.page-hdr p.hdr-sub{font-size:clamp(.95rem,1.2vw,1.08rem);font-weight:300;line-height:1.8;color:var(--ivory-dim);max-width:560px;margin-top:1.6rem;}

/* ---- footer wordmark close ---- */
.ftr-mark{display:flex;justify-content:center;padding:1.5rem 0 5rem;}
.ftr-mark img{width:min(480px,68%);opacity:.92;}
.ftr-mark .logo-svg{width:min(620px,86%);height:auto;color:var(--ivory);opacity:.92;}

/* ---- a11y ---- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--mauve);outline-offset:3px;}

@keyframes fadeUp{to{opacity:1;transform:translateY(0);}}
@keyframes fadeIn{to{opacity:1;}}
@keyframes scrollLine{0%,100%{opacity:.36;transform:scaleY(1);}50%{opacity:.9;transform:scaleY(1.15);}}

@media (prefers-reduced-motion: reduce){
  .reveal,.ir img,[data-px],[data-zoom],[data-clip]{transition:none !important;animation:none !important;transform:none !important;opacity:1 !important;filter:none !important;clip-path:none !important;}
  .hero-eye,.hero-h1,.hero-sub,.hero-acts{animation:none !important;opacity:1 !important;transform:none !important;}
}

@media(max-width:1000px){
  .nav-links,.nav-cta{display:none;}
  .burger{display:flex;}
}
@media(max-width:900px){
  .ftr-grid{grid-template-columns:1fr 1fr;gap:2.5rem;}
  .ftr-brand{grid-column:1/-1;}
}
@media(max-width:580px){
  .hero-acts{flex-direction:column;}
  .hero-acts .btn{width:100%;justify-content:center;}
  .ftr-grid{grid-template-columns:1fr;gap:2rem;}
  .ftr-btm{flex-direction:column;align-items:flex-start;gap:.5rem;}
  .dir-switch{bottom:1rem;left:1rem;}
}