/* =====================================================================
   Francisco Quintana Arte — gallery design system (v2)
   Warm paper · near-black ink · muted terracotta accent
   Cormorant Garamond (display) + Inter (UI)
   ===================================================================== */

:root{
  --paper:#f3efe7;
  --paper-2:#eae4d9;
  --paper-3:#e2dccf;
  --ink:#15120d;
  --ink-soft:#3b362f;
  --muted:#867c6e;
  --line:rgba(21,18,13,.15);
  --line-soft:rgba(21,18,13,.08);
  --accent:#d61f1f;
  --accent-deep:#b01818;
  --white:#fcfaf5;

  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;

  --maxw:1340px;
  --gutter:clamp(1.25rem,5vw,5.5rem);
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 30px 60px -28px rgba(21,18,13,.42);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);background:var(--paper);color:var(--ink);
  line-height:1.62;font-weight:400;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--accent);color:var(--white)}

/* refined scrollbar */
*{scrollbar-width:thin;scrollbar-color:var(--accent) transparent}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(21,18,13,.28);border:3px solid var(--paper);border-radius:10px}

/* ---- layout ---- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(4.5rem,11vw,10rem)}
.serif{font-family:var(--serif)}

.overline{
  font-size:.72rem;letter-spacing:.34em;text-transform:uppercase;
  font-weight:600;color:var(--accent);
}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.03;letter-spacing:.005em}
.h-display{font-size:clamp(3rem,9vw,7.5rem);font-weight:300}
.h-xl{font-size:clamp(2.3rem,5.6vw,4.4rem);font-weight:300}
.h-lg{font-size:clamp(1.8rem,3.6vw,2.9rem);font-weight:400}

/* section header */
.shead{margin-bottom:clamp(2.5rem,5vw,4.5rem)}
.shead__top{display:flex;align-items:baseline;gap:1rem;margin-bottom:1.2rem}
.shead__idx{font-family:var(--serif);font-size:1rem;color:var(--muted)}
.shead__title{font-size:clamp(1.9rem,4.2vw,3.2rem);font-weight:300;max-width:18ch}

/* arrow link */
.link-arrow{
  display:inline-flex;align-items:center;gap:.65em;
  font-size:.76rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600;
  color:var(--ink);padding-bottom:.4em;position:relative;
}
.link-arrow .arw{transition:transform .45s var(--ease)}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease);opacity:.55;
}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow:hover .arw{transform:translateX(.5em)}

/* buttons */
.btn{
  justify-self:start;display:inline-flex;align-items:center;gap:.9em;
  background:var(--ink);color:var(--paper);
  padding:1.1em 2.7em;font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;font-weight:600;
  transition:background .4s var(--ease),transform .4s var(--ease);
}
.btn:hover{background:var(--accent);transform:translateY(-2px)}

/* image frame */
.frame{position:relative;overflow:hidden;background:var(--paper-3);box-shadow:var(--shadow)}
.frame img{width:100%;height:100%;object-fit:cover;transition:transform 1.3s var(--ease)}
.frame:hover img{transform:scale(1.04)}

/* =====================================================================
   HEADER
   ===================================================================== */
.header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
  border-bottom:1px solid transparent;
}
.header.scrolled{
  background:rgba(243,239,231,.86);
  backdrop-filter:saturate(150%) blur(16px);-webkit-backdrop-filter:saturate(150%) blur(16px);
  border-bottom-color:var(--line);
}
.header__bar{display:flex;align-items:center;justify-content:space-between;
  height:clamp(76px,9vw,108px);transition:height .5s var(--ease)}
.header.scrolled .header__bar{height:clamp(64px,7vw,80px)}

/* light header while transparent over a hero image */
.header:not(.scrolled) .brand__name,
.header:not(.scrolled) .brand__line2{color:var(--white)}
.header:not(.scrolled) .brand__accent{color:#ff4136}
.header:not(.scrolled) .nav__link{color:rgba(255,255,255,.85)}
.header:not(.scrolled) .nav__link:hover{color:#fff}
.header:not(.scrolled) .lang button{color:rgba(255,255,255,.6)}
.header:not(.scrolled) .lang button.active{color:#fff}
.header:not(.scrolled) .lang span{color:rgba(255,255,255,.4)}
.header:not(.scrolled) .burger span{background:#fff}
/* mobile menu open: dark text on paper overlay */
body.menu-open .nav__link{color:var(--ink-soft)}
body.menu-open .burger span{background:var(--ink)}

.brand{display:block;line-height:1.15}
.brand__name,.brand__line2{display:block;font-size:clamp(.95rem,1.4vw,1.14rem);letter-spacing:.34em;
  text-transform:uppercase;font-weight:600;line-height:1.32}
.brand__accent{color:#d61f1f}

.nav{display:flex;align-items:center;gap:clamp(1.4rem,2.5vw,2.7rem);margin-left:auto}
.nav__link{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500;white-space:nowrap;
  color:var(--ink-soft);position:relative;padding:.4em 0;transition:color .35s var(--ease)}
.nav__link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav__link:hover{color:var(--ink)}
.nav__link:hover::after{transform:scaleX(1)}

.nav__tools{display:flex;align-items:center;gap:1.4rem;margin-left:2rem}
.lang{display:flex;align-items:center;gap:.15rem;font-size:.74rem;letter-spacing:.12em;font-weight:600}
.lang button{padding:.2em .35em;color:var(--muted);transition:color .3s var(--ease)}
.lang button.active{color:var(--ink)}
.lang span{color:var(--line)}

.burger{display:none;width:30px;height:16px;position:relative}
.burger span{position:absolute;left:0;height:1.5px;width:100%;background:var(--ink);transition:.4s var(--ease)}
.burger span:nth-child(1){top:0}.burger span:nth-child(2){top:50%;transform:translateY(-50%)}.burger span:nth-child(3){bottom:0}
body.menu-open .burger span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}

/* =====================================================================
   HERO
   ===================================================================== */
.hero{position:relative;height:100svh;min-height:620px;width:100%;overflow:hidden}
.hero__slides{position:absolute;inset:0}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;
  opacity:0;transition:opacity 1.8s var(--ease)}
.hero__img.active{opacity:1}
.hero__img.active{animation:kenburns 16s ease-out forwards}
@keyframes kenburns{from{transform:scale(1.001)}to{transform:scale(1.09)}}

.hero__scrim{position:absolute;inset:0;z-index:2;
  background:linear-gradient(180deg,rgba(18,15,11,.30) 0%,rgba(18,15,11,0) 24%,rgba(18,15,11,0) 52%,rgba(18,15,11,.66) 100%)}
.hero__inner{position:absolute;inset:auto 0 0 0;z-index:3;
  padding:0 var(--gutter) clamp(3.2rem,8vw,6.5rem);width:100%;max-width:var(--maxw);margin-inline:auto}
.hero__eyebrow{color:var(--white);opacity:.92;margin-bottom:1.3rem;
  font-size:.74rem;letter-spacing:.42em;text-transform:uppercase;font-weight:600;
  display:flex;align-items:center;gap:1.1rem}
.hero__eyebrow::before{content:"";width:48px;height:1px;background:rgba(255,255,255,.7)}
.hero__title{color:var(--white);font-size:clamp(3.2rem,11vw,9.5rem);font-weight:300;letter-spacing:.005em;line-height:.98}
.hero__sub{color:rgba(255,255,255,.9);margin-top:.5rem;
  font-size:clamp(1rem,2.1vw,1.6rem);letter-spacing:.44em;text-transform:uppercase;font-weight:400}

.hero__dots{position:absolute;right:var(--gutter);bottom:2rem;z-index:4;display:flex;gap:.7rem}
.hero__dots button{width:32px;height:2px;background:rgba(255,255,255,.4);transition:background .4s var(--ease)}
.hero__dots button.active{background:var(--white)}

.scrollcue{position:absolute;left:50%;bottom:1.8rem;transform:translateX(-50%);z-index:4}
.scrollcue .bar{display:block;width:1px;height:48px;
  background:linear-gradient(rgba(255,255,255,.85),rgba(255,255,255,0));animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* =====================================================================
   CONTACT
   ===================================================================== */
.contact{background:var(--paper-2);padding-top:clamp(1.5rem,3vw,2.5rem);padding-bottom:clamp(1.5rem,3vw,2.5rem)}
.contact__head{text-align:center;margin-bottom:clamp(1.5rem,3vw,2.5rem)}
.contact__head .overline{display:block;margin-bottom:1.4rem}
.contact__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2.5rem,6vw,6rem);align-items:start}

.info__row{padding:1.6rem 0;border-top:1px solid var(--line)}
.info__cols{display:flex;justify-content:space-between;gap:2.5rem;align-items:flex-start}
.info__cols .info__row{border-bottom:1px solid var(--line)}
.info__cols .info__row:last-child{text-align:right}
@media(max-width:560px){.info__cols{flex-direction:column;gap:0}.info__cols .info__row:last-child{text-align:left}}
.info__row:last-of-type{border-bottom:1px solid var(--line)}
.info__label{font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:.6rem}
.info__val{font-family:var(--serif);font-size:clamp(1.2rem,1.9vw,1.55rem);font-weight:400;line-height:1.35}
.info__val a:hover{color:var(--accent)}
.socials{display:flex;gap:1.4rem;margin-top:2.1rem}
.socials a{display:inline-flex;align-items:center;gap:.5em;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;font-weight:600;
  color:var(--ink-soft);border-bottom:1px solid var(--line);padding-bottom:.3em;transition:.3s var(--ease)}
.socials svg{flex:none}
.socials a:hover{color:var(--accent);border-color:var(--accent)}

.form{display:grid;gap:2rem}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.field{position:relative}
.field label{position:absolute;left:0;top:.7rem;color:var(--muted);font-size:.96rem;pointer-events:none;transition:.3s var(--ease)}
.field input,.field textarea{width:100%;background:transparent;border:none;border-bottom:1px solid var(--line);
  padding:.7rem 0;font-family:var(--sans);font-size:1rem;color:var(--ink);transition:border-color .35s var(--ease)}
.field textarea{resize:vertical;min-height:48px}
.field input:focus,.field textarea:focus{outline:none;border-bottom-color:var(--accent)}
.field input:focus~label,.field textarea:focus~label,
.field input:not(:placeholder-shown)~label,.field textarea:not(:placeholder-shown)~label{
  top:-.85rem;font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.field input::placeholder,.field textarea::placeholder{color:transparent}
.form__note{font-size:.82rem;color:var(--muted)}

.map{margin:0 0 2rem 0;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}
.map iframe{display:block;width:100%;height:clamp(210px,28vw,300px);border:0;filter:grayscale(1) contrast(.92);transition:filter .6s var(--ease)}
.map:hover iframe{filter:grayscale(0) contrast(1)}

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer{background:var(--ink);color:var(--paper);padding-block:clamp(3.8rem,6vw,5.5rem)}
.footer__top{display:flex;justify-content:space-between;align-items:flex-start;gap:2.5rem;flex-wrap:wrap}
.footer .brand__name,.footer .brand__line2{color:var(--paper)}
.footer .brand__accent{color:#ff4136}
.footer__addr{color:rgba(243,239,231,.72);font-size:.92rem;line-height:1.9;max-width:32ch}
.footer__links{display:flex;flex-direction:column;gap:.75rem;text-align:right}
.footer__links a{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(243,239,231,.8);transition:color .3s var(--ease)}
.footer__links a:hover{color:#ff4136}
.footer__bottom{margin-top:clamp(2.6rem,5vw,4rem);padding-top:1.9rem;border-top:1px solid rgba(243,239,231,.16);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.72rem;letter-spacing:.14em;color:rgba(243,239,231,.5);text-transform:uppercase}

/* =====================================================================
   REVEAL
   ===================================================================== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.1s}.reveal[data-d="2"]{transition-delay:.2s}
.reveal[data-d="3"]{transition-delay:.3s}.reveal[data-d="4"]{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto!important}
  .hero__img.active{animation:none}.scrollcue .bar{animation:none}
}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width:980px){
  .contact__grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav{position:fixed;inset:0;background:var(--paper);flex-direction:column;justify-content:center;gap:2.2rem;
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .6s var(--ease),opacity .4s var(--ease)}
  body.menu-open .nav{transform:none;opacity:1;pointer-events:auto}
  .nav__link{font-size:1.05rem;letter-spacing:.18em}
  .nav__tools{position:fixed;top:0;right:var(--gutter);height:clamp(76px,9vw,108px);margin:0;z-index:101}
  .burger{display:block;z-index:101}
  .form__row{grid-template-columns:1fr}
  .footer__top{flex-direction:column}.footer__links{text-align:left}
}