/* ==========================================================================
   MATIN HOUSE — Curatorial Art Advisory
   Design system: discreet luxury, elegant, contemplative, timeless.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root{
  --c-teal-900:#004253;      /* primary brand */
  --c-teal-700:#005F6A;      /* secondary brand */
  --c-teal-600:#0d7788;
  --c-teal-100:#e4edef;
  --c-teal-050:#f3f7f7;
  --c-cream:#FBF8F2;
  --c-white:#FFFFFF;
  --c-ink:#15191a;
  --c-ink-70:rgba(21,25,26,.72);
  --c-ink-50:rgba(21,25,26,.5);
  --c-ink-30:rgba(21,25,26,.3);
  --c-line:rgba(0,66,83,.14);
  --c-line-soft:rgba(0,66,83,.08);

  --f-display:'Cormorant Garamond', 'Times New Roman', serif;
  --f-body:'Jost', 'Helvetica Neue', Arial, sans-serif;

  --container:1280px;
  --container-narrow:840px;
  --gutter:clamp(1.5rem, 5vw, 4.5rem);
  --section-y:clamp(4.5rem, 9vw, 9rem);

  --ease:cubic-bezier(.22,1,.36,1);
  --dur:.7s;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body,h1,h2,h3,h4,p,figure,blockquote,dl,dd,ul,ol{margin:0;}
ul[class],ol[class]{list-style:none;padding:0;}
img,picture,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- Base ---------- */
html{font-size:16px;}
body{
  font-family:var(--f-body);
  font-weight:300;
  color:var(--c-ink);
  background:var(--c-white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}

h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:500;
  line-height:1.12;
  color:var(--c-teal-900);
  letter-spacing:.01em;
}
h1{font-size:clamp(2.6rem, 5.6vw, 5rem);}
h2{font-size:clamp(2rem, 3.6vw, 3.1rem);}
h3{font-size:clamp(1.5rem, 2.4vw, 2rem);}
h4{font-size:clamp(1.15rem, 1.6vw, 1.4rem);}

p{color:var(--c-ink-70);font-weight:300;}
p + p{margin-top:1.2em;}

::selection{background:var(--c-teal-900);color:var(--c-white);}

::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:var(--c-cream);}
::-webkit-scrollbar-thumb{background:var(--c-teal-700);border-radius:10px;border:2px solid var(--c-cream);}

:focus-visible{outline:1.5px solid var(--c-teal-700);outline-offset:3px;}

/* ---------- Layout ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.container--narrow{max-width:var(--container-narrow);}

.section{padding-block:var(--section-y);}
.section--cream{background:var(--c-cream);}
.section--teal{background:var(--c-teal-900);color:var(--c-white);}
.section--teal h1,.section--teal h2,.section--teal h3{color:var(--c-white);}
.section--teal p{color:rgba(255,255,255,.78);}
.section--teal .lede{color:rgba(255,255,255,.88);}
.section--tight{padding-block:clamp(2.5rem,5vw,4rem);}
.section--border-top{border-top:1px solid var(--c-line);}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);align-items:center;}
.grid-2--rev .grid-2__media{order:2;}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--f-body);
  font-size:.72rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--c-teal-700);
  font-weight:500;
}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--c-teal-700);display:inline-block;}
.eyebrow--center{justify-content:center;}
.section--teal .eyebrow{color:#bcd8db;}
.section--teal .eyebrow::before{background:#bcd8db;}

.lede{
  font-family:var(--f-display);
  font-size:clamp(1.2rem,1.8vw,1.6rem);
  color:var(--c-ink);
  font-style:italic;
  font-weight:400;
  line-height:1.55;
}

.divider{width:56px;height:1px;background:var(--c-teal-700);margin-block:1.75rem;border:none;}
.divider--center{margin-inline:auto;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.75em;
  padding:.95em 2.1em;
  font-size:.74rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  border:1px solid var(--c-teal-900);
  color:var(--c-teal-900);
  position:relative;
  overflow:hidden;
  transition:color var(--dur) var(--ease);
}
.btn::before{
  content:'';position:absolute;inset:0;
  background:var(--c-teal-900);
  transform:translateX(-101%);
  transition:transform var(--dur) var(--ease);
  z-index:-1;
}
.btn:hover{color:var(--c-white);}
.btn:hover::before{transform:translateX(0);}
.btn--light{border-color:rgba(255,255,255,.55);color:var(--c-white);}
.btn--light::before{background:var(--c-white);}
.btn--light:hover{color:var(--c-teal-900);}

.link-underline{
  display:inline-block;
  position:relative;padding-bottom:.15em;
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500;
  color:var(--c-teal-900);
}
.link-underline::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;
  transform:scaleX(1);transform-origin:right;transition:transform var(--dur) var(--ease);
}
.link-underline:hover::after{transform:scaleX(0);transform-origin:left;}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--c-teal-900);color:#fff;
  padding:.9em 1.4em;z-index:999;font-size:.85rem;letter-spacing:.05em;
}
.skip-link:focus{left:1rem;top:1rem;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding-block:1.5rem;
  transition:padding var(--dur) var(--ease), background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  border-bottom:1px solid transparent;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:2rem;}

.site-header.is-transparent{background:transparent;}
.site-header.is-solid{
  background:rgba(251,248,242,.92);
  backdrop-filter:blur(10px);
  padding-block:1rem;
  border-color:var(--c-line);
  box-shadow:0 8px 30px rgba(0,66,83,.05);
}

.brand{display:flex;align-items:center;gap:.75rem;}
.brand__mark{height:34px;width:auto;transition:filter var(--dur) var(--ease);}
.brand__word{
  font-family:var(--f-body);font-weight:500;font-size:1rem;letter-spacing:.32em;
  color:var(--c-teal-900);
}
.is-transparent .brand__word,.is-transparent .nav-link{color:var(--c-white);}
.is-transparent .brand__mark{filter:brightness(0) invert(1);}
.is-solid .brand__word,.is-solid .nav-link{color:var(--c-teal-900);}
.is-solid .brand__mark{filter:none;}
.page-header .site-header{background:rgba(251,248,242,.92);backdrop-filter:blur(10px);border-color:var(--c-line);}
.page-header .brand__word,.page-header .nav-link{color:var(--c-teal-900);}
.page-header .brand__mark{filter:none;}

.nav-primary{display:flex;align-items:center;gap:clamp(1.25rem,2.4vw,2.75rem);}
.nav-link{
  position:relative;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;font-weight:500;
  padding-block:.3rem;
}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;
  transition:width var(--dur) var(--ease);
}
.nav-link:hover::after,.nav-link.is-active::after{width:100%;}

.nav-toggle{
  display:none;flex-direction:column;gap:5px;width:26px;z-index:210;
}
.nav-toggle span{display:block;height:1px;width:100%;background:currentColor;transition:transform .35s var(--ease),opacity .35s var(--ease),background .3s;}
.is-transparent .nav-toggle{color:var(--c-white);}
.is-solid .nav-toggle,.page-header .nav-toggle{color:var(--c-teal-900);}

/* ---------- Mobile nav overlay ---------- */
@media (max-width:900px){
  .nav-primary{
    position:fixed;inset:0;background:var(--c-teal-900);
    flex-direction:column;justify-content:center;align-items:flex-start;
    gap:1.4rem;padding:6rem clamp(2rem,10vw,4rem);
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .5s var(--ease), opacity .4s var(--ease);
  }
  body.nav-open .nav-primary{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-primary .nav-link{color:#fff;font-family:var(--f-display);font-size:2rem;letter-spacing:.02em;text-transform:none;font-weight:400;}
  .nav-toggle{display:flex;}
  body.nav-open .nav-toggle{color:#fff !important;}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:flex-end;
  color:#fff;overflow:hidden;
}
.hero__media{position:absolute;inset:0;z-index:-2;}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 30%;}
.hero__scrim{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg, rgba(0,20,25,.55) 0%, rgba(0,32,40,.42) 40%, rgba(0,17,21,.82) 100%);
}
.hero__content{padding-block:clamp(3rem,10vh,7rem) clamp(3.5rem,9vh,6rem);width:100%;}
.hero .eyebrow{color:#cfe4e6;}
.hero .eyebrow::before{background:#cfe4e6;}
.hero h1{color:#fff;max-width:16ch;}
.hero__sub{
  font-family:var(--f-display);font-style:italic;font-size:clamp(1.15rem,2vw,1.55rem);
  color:rgba(255,255,255,.88);margin-top:1rem;max-width:34ch;
}
.hero__scroll{
  position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.6rem;
  font-size:.65rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.7);
}
.hero__scroll span{width:1px;height:38px;background:rgba(255,255,255,.5);position:relative;overflow:hidden;}
.hero__scroll span::after{
  content:'';position:absolute;top:-100%;left:0;width:100%;height:100%;background:#fff;
  animation:scrollLine 2.2s var(--ease) infinite;
}
@keyframes scrollLine{0%{top:-100%;}60%{top:100%;}100%{top:100%;}}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease), transform 1s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.1s;}
.reveal-delay-2{transition-delay:.22s;}
.reveal-delay-3{transition-delay:.34s;}

/* ---------- Page header (interior pages) ---------- */
.page-hero{
  padding-block:clamp(9rem,18vh,12rem) clamp(3rem,7vh,5rem);
  background:var(--c-cream);
  text-align:center;
}
.page-hero .eyebrow{justify-content:center;}
.page-hero h1{margin-top:.9rem;}
.page-hero__lede{max-width:52ch;margin-inline:auto;margin-top:1.4rem;}

/* ---------- Feature blocks ---------- */
.feature__media{position:relative;aspect-ratio:4/5;overflow:hidden;}
.feature__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease);}
.feature__media:hover img{transform:scale(1.045);}
.feature__frame{position:absolute;inset:14px;border:1px solid rgba(255,255,255,.55);pointer-events:none;}

.stack > * + *{margin-top:1.4rem;}

/* ---------- Pull quote ---------- */
.pull-quote{
  max-width:var(--container-narrow);margin-inline:auto;text-align:center;
  padding-block:2rem;
}
.pull-quote p{
  font-family:var(--f-display);font-style:italic;font-weight:400;color:var(--c-teal-900);
  font-size:clamp(1.5rem,3vw,2.35rem);line-height:1.5;
}
.pull-quote cite{
  display:block;margin-top:1.3rem;font-style:normal;font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--c-ink-50);
}

/* ---------- Poem block (Curatorial Approach) ---------- */
.poem{text-align:center;max-width:44ch;margin-inline:auto;}
.poem p{
  font-family:var(--f-display);font-style:italic;font-size:clamp(1.3rem,2.4vw,1.85rem);
  color:var(--c-teal-900);line-height:1.9;
}

/* ---------- Numbered list (Our Practice) ---------- */
.practice-list{border-top:1px solid var(--c-line);}
.practice-item{
  display:grid;grid-template-columns:70px 1fr;gap:1.5rem;
  padding-block:2.1rem;border-bottom:1px solid var(--c-line);
}
.practice-item__num{font-family:var(--f-display);font-size:1.3rem;color:var(--c-teal-700);font-style:italic;}
.practice-item h4{margin-bottom:.4rem;}
.practice-item p{margin:0;}

/* ---------- Cards: exhibitions & works ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,2.75rem);}
.card{position:relative;}
.card__media{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--c-teal-050);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.card:hover .card__media img{transform:scale(1.06);}
.card__badge{
  position:absolute;top:14px;left:14px;padding:.4em .9em;font-size:.62rem;letter-spacing:.16em;
  text-transform:uppercase;background:rgba(251,248,242,.92);color:var(--c-teal-900);font-weight:500;
}
.card__badge--current{background:var(--c-teal-900);color:#fff;}
.card__body{padding-top:1.25rem;}
.card__meta{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-ink-50);margin-bottom:.5rem;}
.card__title{font-size:1.25rem;margin-bottom:.15rem;}
.card__sub{font-family:var(--f-display);font-style:italic;color:var(--c-ink-70);font-size:1rem;}
.card__desc{margin-top:.75rem;font-size:.94rem;}
.card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--c-line);}

.status-pill{font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-teal-700);}
.status-pill--reserve{color:#a3762a;}
.status-pill--placed{color:var(--c-ink-30);}

/* ---------- Filters (Available Works) ---------- */
.filters{display:flex;flex-wrap:wrap;gap:.75rem 1rem;justify-content:center;margin-bottom:clamp(2.5rem,5vw,4rem);}
.filter-btn{
  padding:.6em 1.5em;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500;
  border:1px solid var(--c-line);color:var(--c-ink-70);transition:all .35s var(--ease);
}
.filter-btn.is-active,.filter-btn:hover{background:var(--c-teal-900);border-color:var(--c-teal-900);color:#fff;}
.work-item{transition:opacity .4s var(--ease), transform .4s var(--ease);}
.work-item[hidden]{display:none;}

/* ---------- Contact ---------- */
.contact-direct{display:flex;flex-direction:column;gap:2rem;align-items:center;}
.contact-direct dt{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--c-teal-700);margin-bottom:.5rem;}
.contact-direct dd{margin:0;font-family:var(--f-display);font-size:clamp(1.5rem,3vw,2.1rem);color:var(--c-ink);font-style:italic;}
.contact-direct dd a:hover{color:var(--c-teal-700);}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-teal-900);color:rgba(255,255,255,.82);padding-block:clamp(3.5rem,8vw,6rem) 2rem;}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:clamp(2rem,5vw,4rem);padding-bottom:clamp(2.5rem,5vw,4rem);border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand__mark{height:40px;margin-bottom:1.2rem;}
.footer-brand p{color:rgba(255,255,255,.65);max-width:34ch;}
.footer-col h5{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:#cfe4e6;margin-bottom:1.3rem;font-weight:500;}
.footer-col ul{display:flex;flex-direction:column;gap:.75rem;}
.footer-col a{font-size:.92rem;color:rgba(255,255,255,.8);transition:color .3s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;padding-top:2rem;font-size:.75rem;color:rgba(255,255,255,.5);letter-spacing:.03em;}

.footer-credit{text-align:center;margin-top:1.25rem;font-size:.65rem;letter-spacing:.05em;color:rgba(255,255,255,.32);}
.footer-credit a{color:rgba(255,255,255,.45);transition:color .3s;}
.footer-credit a:hover{color:rgba(255,255,255,.75);}

/* ---------- Utilities ---------- */
.text-center{text-align:center;}
.mx-auto{margin-inline:auto;}
.mt-lg{margin-top:clamp(2.5rem,5vw,4rem);}
.max-w-prose{max-width:62ch;}
.cta-row{display:flex;gap:1.25rem;justify-content:center;flex-wrap:wrap;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .grid-2{grid-template-columns:1fr;gap:2.5rem;}
  .grid-2--rev .grid-2__media{order:0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .card-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:2.5rem;}
  .practice-item{grid-template-columns:44px 1fr;gap:1rem;}
  .hero{align-items:center;text-align:left;}
}