/* ============================================================
   TRADEWINDS — style.css  (unified paper/ink system)
   Applies to all inner pages. Homepage carries its own styles
   using the same tokens (see css/tokens.css + DESIGN.md).
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Inter:wght@300;400;500&family=Noto+Serif+JP:wght@300;400&display=swap');

:root{
  --paper:#f3efe7; --paper-2:#ebe6db; --paper-3:#e2dccf;
  --ink:#1f1d1a; --ink-2:#4a463f; --mist:#8b867c; --clay:#a89477; --seal:#962430;
  --line:rgba(31,29,26,.14); --line-2:rgba(31,29,26,.28);
  /* legacy token aliases used by inner pages */
  --bg:var(--paper); --bg-2:var(--paper-2); --bg-3:var(--paper-3); --surface:var(--paper-2);
  --text:var(--ink); --text-2:var(--ink-2); --text-3:var(--mist);
  --accent:var(--clay); --accent-2:#8f7d5f; --accent-dim:rgba(168,148,119,.14);
  --border:var(--line); --border-2:var(--line-2);
  --light-bg:var(--paper-2); --light-bg-2:var(--paper-3); --light-text:var(--ink); --light-text-2:var(--ink-2); --light-border:var(--line);
  --warm-white:var(--paper-2); --stone:var(--mist); --ink-mid:var(--ink-2); --cream:var(--paper); --border-dark:var(--line-2); --accent-dark:var(--accent-2);
  --font-display:'Cormorant Garamond',Georgia,serif; --font-body:'Inter',system-ui,sans-serif; --jp:'Noto Serif JP',serif;
  --serif:var(--font-display); --sans:var(--font-body);
  --header-h:64px; --ease:cubic-bezier(.16,1,.3,1); --r:0; --r-lg:0;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:15px;line-height:1.75;color:var(--ink-2);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{border:none;background:none;cursor:pointer;font-family:inherit}
.container{max-width:1140px;margin:0 auto;padding:0 40px}
.section-padded{padding:100px 0}
@media(max-width:768px){.container{padding:0 22px}.section-padded{padding:64px 0}}

/* Section backgrounds — all paper now */
.bg-light,.bg-surface,.bg-warm{background:var(--paper-2);color:var(--ink-2)}
.bg-light-2{background:var(--paper-3)}
.bg-dark{background:var(--paper);color:var(--ink-2)}
.bg-cta{background:var(--ink);color:var(--paper);border-top:1px solid var(--line)}
.bg-cta .cta-title,.bg-cta .section-title{color:var(--paper)}
.bg-cta .cta-body,.bg-cta .body-text{color:rgba(243,239,231,.7)}
.bg-cta .eyebrow,.bg-cta .section-label{color:var(--clay)}
.bg-accent{background:var(--ink);color:var(--paper)}

/* Type */
.eyebrow,.section-label{display:flex;align-items:center;gap:12px;font-size:10px;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--mist);margin-bottom:16px}
.eyebrow::before,.section-label::before{content:'';width:26px;height:1px;background:var(--mist);flex-shrink:0}
.display-title,.section-title,.cta-title{font-family:var(--font-display);font-weight:400;line-height:1.2;color:var(--ink);letter-spacing:0}
.display-title{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1.1}
.section-title{font-size:clamp(1.9rem,3.4vw,2.8rem)}
.cta-title{font-size:clamp(1.9rem,3.4vw,2.6rem);margin-bottom:14px}
.section-title em,.display-title em,.cta-title em{font-style:italic;color:var(--clay)}
.body-text,.section-subtitle{font-size:15px;color:var(--ink-2);line-height:1.8}
.section-subtitle{margin-top:14px;max-width:560px}
.section-header{margin-bottom:52px}
.lead{font-family:var(--font-display);font-size:19px;font-style:italic;color:var(--ink-2)}

/* Buttons — quiet, sharp */
.btn-primary,.btn-accent,.btn-dark,.btn-submit{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;background:var(--ink);color:var(--paper);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;border:1px solid var(--ink);transition:background .3s,color .3s}
.btn-primary:hover,.btn-accent:hover,.btn-dark:hover,.btn-submit:hover{background:transparent;color:var(--ink)}
.bg-cta .btn-dark,.bg-cta .btn-accent{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.bg-cta .btn-dark:hover,.bg-cta .btn-accent:hover{background:transparent;color:var(--paper)}
.btn-outline,.btn-outline-light,.btn-quiet{display:inline-flex;align-items:center;gap:10px;padding:13px 30px;background:transparent;color:var(--ink);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;border:1px solid var(--ink);transition:background .3s,color .3s}
.btn-outline:hover,.btn-quiet:hover{background:var(--ink);color:var(--paper)}
.btn-ghost,.btn-link{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:3px;transition:opacity .2s}
.btn-ghost:hover,.btn-link:hover{opacity:.55}
.btn-sm{padding:10px 20px;font-size:10px}
.btn-primary svg,.btn-ghost svg{width:12px;height:12px}

/* Header */
.wordmark{display:flex;flex-direction:column;margin-left:12px;font-family:var(--font-display);font-size:19px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);line-height:1}
.wordmark small{font-family:var(--font-body);font-size:9px;letter-spacing:.24em;color:var(--mist);margin-top:4px;text-transform:uppercase}

#site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);background:rgba(243,239,231,.85);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .4s,background .4s}
#site-header.scrolled{background:rgba(243,239,231,.94);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 40px;gap:20px}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo-img{height:34px;width:auto;filter:none!important;transition:opacity .2s}
.logo:hover .logo-img{opacity:.6}
.nav-desktop ul{display:flex;align-items:center}
.nav-desktop .nav-link{font-size:12px;font-weight:400;letter-spacing:.08em;padding:8px 16px;color:var(--ink);position:relative;transition:opacity .25s}
.nav-desktop .nav-link::after{content:'';position:absolute;left:16px;right:16px;bottom:2px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav-desktop .nav-link:hover::after,.nav-desktop .nav-link.active::after{transform:scaleX(1)}
.nav-desktop .nav-cta{margin-left:10px;border:1px solid var(--ink);padding:8px 18px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;transition:background .3s,color .3s}
.nav-desktop .nav-cta::after{display:none}
.nav-desktop .nav-cta:hover{background:var(--ink);color:var(--paper)}
.lang-toggle{display:none!important}
.hamburger{display:none;flex-direction:column;gap:5px;padding:6px}
.hamburger span{display:block;width:22px;height:1px;background:var(--ink);transition:transform .3s var(--ease),opacity .2s}
.hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-mobile{display:none;background:var(--paper);border-top:1px solid var(--line);padding:20px 40px 28px;position:absolute;top:var(--header-h);left:0;right:0;box-shadow:0 20px 48px rgba(31,29,26,.1);pointer-events:none;opacity:0;transform:translateY(-6px);transition:opacity .28s,transform .28s var(--ease)}
.nav-mobile.open{pointer-events:auto;opacity:1;transform:translateY(0)}
.nav-mobile .nav-link{display:block;padding:14px 0;font-size:14px;color:var(--ink);border-bottom:1px solid var(--line)}
@media(max-width:900px){.nav-desktop{display:none}.hamburger{display:flex}.nav-mobile{display:block}.header-inner{padding:0 22px}}

/* Page hero (inner pages) */
.page-hero,.cat-page-hero{padding:calc(var(--header-h) + 80px) 0 64px;background:var(--paper);border-bottom:1px solid var(--line)}
.page-hero h1,.cat-page-title{font-family:var(--font-display);font-size:clamp(2.6rem,5vw,4.2rem);font-weight:300;line-height:1.08;color:var(--ink)}
.page-hero h1 em,.cat-page-title em{font-style:italic;color:var(--clay)}
.page-hero p,.cat-page-desc{color:var(--ink-2)!important;max-width:560px;margin-top:18px;font-size:16px}
.page-hero .section-label,.cat-page-label{color:var(--mist)}

/* Category / project tiles */
.categories-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px}
.category-card{display:block;background:transparent}
.card-img-wrap{position:relative;padding-bottom:70%;overflow:hidden;background:var(--paper-2)}
.card-img-wrap img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8) contrast(.96);transition:transform 1.1s var(--ease),filter .5s}
.category-card:hover .card-img-wrap img{transform:scale(1.04);filter:saturate(1) contrast(1)}
.card-overlay{display:none}
.card-body{padding:18px 0 0}
.card-title{font-family:var(--font-display);font-size:1.35rem;font-weight:500;color:var(--ink);margin-bottom:4px}
.card-desc{font-size:13px;color:var(--mist);line-height:1.6;margin-bottom:10px}
.card-arrow{font-size:10px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px}
@media(max-width:900px){.categories-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}}
@media(max-width:540px){.categories-grid{grid-template-columns:1fr}}

.cat-section{padding:80px 0}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px}
.cat-tile{display:flex;flex-direction:column}
.cat-tile-img-wrap{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.cat-tile-img-wrap img{width:100%;height:100%;object-fit:cover;filter:saturate(.8);transition:transform 1s var(--ease),filter .5s}
.cat-tile:hover .cat-tile-img-wrap img{transform:scale(1.04);filter:saturate(1)}
.cat-tile-label{padding:14px 0 0;font-family:var(--font-display);font-size:1.2rem;font-weight:500;color:var(--ink);border:0;text-align:left;letter-spacing:0;text-transform:none}
@media(max-width:700px){.cat-grid{grid-template-columns:repeat(2,1fr);gap:24px 16px}}

/* Partners — no filters, multiply knocks out white boxes */
.partners-wrap,.partners-track-wrap{overflow:hidden;mask-image:linear-gradient(to right,transparent,black 12%,black 88%,transparent);-webkit-mask-image:linear-gradient(to right,transparent,black 12%,black 88%,transparent)}
.partners-track{display:flex;align-items:center;gap:72px;animation:scroll-logos 34s linear infinite;width:max-content;padding:8px 0}
.partners-track img{height:44px;width:auto;object-fit:contain;mix-blend-mode:multiply;flex-shrink:0}

.partners-wrap:hover .partners-track,.partners-track-wrap:hover .partners-track{animation-play-state:paused}
@keyframes scroll-logos{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* Video */
.video-wrap{overflow:hidden;border:1px solid var(--line)}
.feature-video{width:100%;display:block;max-height:560px;object-fit:cover}
.video-caption{margin-top:12px;font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--mist)}

/* CTA */
.cta-inner{text-align:center;max-width:560px;margin:0 auto}
.cta-body{font-size:15px;line-height:1.75;margin-bottom:32px}

/* Forms (contact) */
input,select,textarea{font-family:var(--font-body);font-size:14px;color:var(--ink);background:var(--paper);border:1px solid var(--line-2);padding:12px 14px;width:100%;outline:none;transition:border-color .2s}
input:focus,select:focus,textarea:focus{border-color:var(--ink)}
::placeholder{color:var(--mist)}

/* Footer — paper, with seal-red hairline */
#site-footer{background:var(--paper-2);border-top:1px solid var(--line);padding:64px 0 0;color:var(--ink-2)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.footer-brand .logo-img{height:28px;filter:none!important;opacity:.9}
.footer-tagline{margin-top:14px;font-size:13px;color:var(--mist);line-height:1.7;max-width:280px}
.footer-nav h4,.footer-contact h4{font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--mist);margin-bottom:16px}
.footer-nav li{margin-bottom:9px}
.footer-nav a{font-size:13px;color:var(--ink-2);transition:opacity .2s}
.footer-nav a:hover{opacity:.55}
.footer-contact p{font-size:13px;color:var(--ink-2);margin-bottom:16px;line-height:1.7}
.footer-contact a{color:var(--clay)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:22px 0;font-size:11px;letter-spacing:.06em;color:var(--mist)}
.footer-lang{display:none!important}
@media(max-width:880px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px;text-align:center}}

/* Reveal */
.reveal,.animate-on-scroll{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in-view,.animate-on-scroll.in-view{opacity:1;transform:none}
.reveal.d1,.reveal.delay-1{transition-delay:.1s}.reveal.d2,.reveal.delay-2{transition-delay:.2s}.reveal.d3,.reveal.delay-3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}.reveal.d5{transition-delay:.5s}
.reveal-clip{opacity:0;transition:opacity .8s var(--ease)}.reveal-clip.in-view{opacity:1}
@keyframes fade-up{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes fade-in{from{opacity:0}to{opacity:1}}

/* ── v2: scroll-progress hairline (under fixed header) ── */
#scroll-progress{position:fixed;top:var(--header-h);left:0;height:2px;width:0%;background:var(--clay);z-index:101;transition:width .1s linear}

/* ── v2: clip-path image reveal (hero-weight images only — page heroes, category tiles) ──
   Clip-path lives on the CHILD img/picture, never the observed wrapper: Chrome's
   IntersectionObserver measures post-clip geometry, so a wrapper clipped to zero height
   never reports isIntersecting and can never reveal itself. Wrapper just needs overflow:hidden
   (already true of .about-img, .coll-item-img, .cat-tile-img-wrap, etc). */
.reveal-mask img,.reveal-mask picture{clip-path:inset(0 0 100% 0);transition:clip-path 1.1s var(--ease)}
.reveal-mask.in-view img,.reveal-mask.in-view picture{clip-path:inset(0 0 0% 0)}

/* ── v2: magnetic buttons (JS adds --mx/--my via pointer tracking; no-op until it does) ── */
.btn-primary,.btn-accent,.btn-dark,.btn-submit,.btn-outline,.btn-outline-light,.btn-quiet{transform:translate(var(--mx,0),var(--my,0));transition:background .3s,color .3s,transform .35s var(--ease)}

/* ── v2: filter tabs (SKU catalog) ── */
.filter-tabs{display:flex;flex-wrap:wrap;gap:8px 4px;margin-bottom:48px;border-bottom:1px solid var(--line)}
.filter-tab{position:relative;padding:12px 18px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist);transition:color .25s}
.filter-tab::after{content:'';position:absolute;left:18px;right:18px;bottom:-1px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.filter-tab:hover{color:var(--ink)}
.filter-tab.active{color:var(--ink)}
.filter-tab.active::after{transform:scaleX(1)}
.filter-count{font-size:9px;color:var(--mist);margin-left:5px}

@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal,.animate-on-scroll{opacity:1;transform:none}.partners-track{animation:none}.reveal-mask img,.reveal-mask picture{clip-path:none!important}#scroll-progress{display:none}.btn-primary,.btn-accent,.btn-dark,.btn-submit,.btn-outline,.btn-outline-light,.btn-quiet{transform:none!important}}