/* ============================================================
   Autin Architecte — modern restoration portfolio
   ============================================================ */

:root{
    --ink:#171511;
    --ink-soft:#4c473e;
    --ink-mute:#928b7d;
    --paper:#ffffff;
    --paper-2:#f7f5f0;      /* whisper warm-grey for alternating bands */
    --line:#e8e3d8;
    --line-soft:#f0ece3;
    --accent:#9c5b34;       /* terracotta / patine */
    --accent-deep:#7c4526;
    --white:#ffffff;
    --shadow:0 24px 60px -30px rgba(23,21,17,.4);
    --serif:"Spectral", Georgia, serif;
    --sans:"Hanken Grotesk", system-ui, sans-serif;
    --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--sans);
    background:var(--paper);
    color:var(--ink);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
picture{display:contents}
a{color:inherit;text-decoration:none}
em{font-style:italic}

::selection{background:var(--accent);color:var(--white)}

/* layout helpers ------------------------------------------------ */
.section-head{
    display:flex;align-items:baseline;gap:1.4rem;flex-wrap:wrap;
    padding:0 var(--pad,clamp(1.4rem,5vw,6rem));
    margin-bottom:clamp(2rem,4vw,3.4rem);
}
.section-head__index{
    font-family:var(--serif);font-size:.95rem;color:var(--accent);
    letter-spacing:.05em;font-variant-numeric:tabular-nums;
}
.section-head__title{
    font-family:var(--serif);font-weight:500;
    font-size:clamp(1.9rem,4.4vw,3.2rem);line-height:1.04;
    letter-spacing:-.01em;flex:1 1 auto;
}
.section-head--plain{padding:0;margin-bottom:1.8rem}
.section-head--light .section-head__title,
.section-head--light .section-head__index{color:var(--white)}

/* ===========================================================
   NAV
   =========================================================== */
.nav{
    position:fixed;top:0;left:0;width:100%;z-index:60;
    transition:background .4s var(--ease), box-shadow .4s var(--ease);
}
.nav__inner{
    display:flex;align-items:center;justify-content:space-between;
    padding:1.15rem clamp(1.4rem,5vw,6rem);
}
.nav__brand{display:flex;align-items:baseline;gap:.45rem;line-height:1;color:var(--white);transition:color .4s}
.nav__brand-name{font-family:var(--serif);font-size:1.5rem;font-weight:600;letter-spacing:-.01em}
.nav__brand-sub{font-size:.7rem;text-transform:uppercase;letter-spacing:.28em;opacity:.85}
.nav__links{display:flex;align-items:center;gap:2.1rem}
.nav__links a{
    color:var(--white);font-size:.82rem;text-transform:uppercase;letter-spacing:.16em;
    position:relative;padding:.2rem 0;transition:color .3s, opacity .3s;opacity:.92;
}
.nav__links a::after{
    content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
    background:currentColor;transition:width .35s var(--ease);
}
.nav__links a:hover::after{width:100%}
.nav__contact{
    border:1px solid rgba(255,255,255,.45);border-radius:40px;
    padding:.5rem 1.2rem !important;
}
.nav__contact::after{display:none}
.nav__contact:hover{background:var(--white);color:var(--ink)}
.nav__lang{font-weight:600;letter-spacing:.12em !important;opacity:.8}
.nav__lang::after{display:none}
.nav__lang:hover{opacity:1;color:var(--accent)}

/* scrolled / inner pages: solid paper nav */
.nav.is-solid{background:var(--paper);box-shadow:0 1px 0 var(--line)}
.nav.is-solid .nav__brand,
.nav.is-solid .nav__links a{color:var(--ink)}
.nav.is-solid .nav__contact{border-color:var(--ink)}
.nav.is-solid .nav__contact:hover{background:var(--ink);color:var(--paper)}
body[data-page="inner"] .nav{background:var(--paper);box-shadow:0 1px 0 var(--line)}
body[data-page="inner"] .nav__brand,
body[data-page="inner"] .nav__links a{color:var(--ink)}
body[data-page="inner"] .nav__contact{border-color:var(--ink)}

.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__toggle span{width:26px;height:2px;background:var(--white);transition:.3s var(--ease)}
.nav.is-solid .nav__toggle span,
body[data-page="inner"] .nav__toggle span{background:var(--ink)}

/* ===========================================================
   HERO
   =========================================================== */
.hero{position:relative;height:100vh;min-height:600px;display:flex;align-items:flex-end;color:var(--white)}
.hero__media{position:absolute;inset:0;z-index:-1;overflow:hidden}
.hero__media img{width:100%;height:100%;object-fit:cover;animation:heroZoom 14s var(--ease) forwards}
@keyframes heroZoom{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,15,.45) 0%,rgba(20,18,15,.1) 35%,rgba(20,18,15,.78) 100%)}
.hero__content{padding:0 clamp(1.4rem,5vw,6rem) clamp(3rem,7vw,6rem);max-width:1000px}
.hero__eyebrow{text-transform:uppercase;letter-spacing:.34em;font-size:.78rem;margin-bottom:1.2rem;opacity:.9}
.hero__title{
    font-family:var(--serif);font-weight:500;
    font-size:clamp(2.5rem,7vw,5.6rem);line-height:1.02;letter-spacing:-.02em;
    text-wrap:balance;
}
.hero__lede{max-width:48ch;margin-top:1.5rem;font-size:clamp(1rem,1.5vw,1.18rem);opacity:.92}
.hero__cta{
    display:inline-flex;align-items:center;gap:.7rem;margin-top:2.2rem;
    font-size:.82rem;text-transform:uppercase;letter-spacing:.2em;
    border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:.45rem;
}
.hero__cta span{transition:transform .4s var(--ease)}
.hero__cta:hover span{transform:translateY(4px)}

/* ===========================================================
   MANIFESTO
   =========================================================== */
.manifesto{padding:clamp(4.5rem,10vw,9rem) clamp(1.4rem,5vw,6rem);max-width:1200px}
.manifesto p{
    font-family:var(--serif);font-weight:400;
    font-size:clamp(1.5rem,3.6vw,2.7rem);line-height:1.3;letter-spacing:-.01em;
    color:var(--ink);text-wrap:balance;
}
.manifesto em{color:var(--accent);font-style:italic}

/* ===========================================================
   PROJECTS GRID
   =========================================================== */
.projects{padding:0 0 clamp(4rem,8vw,7rem)}
.projects--index{padding-top:clamp(1rem,3vw,2rem)}
.filter{display:flex;gap:.5rem;margin-left:auto}
.filter__btn{
    font-family:var(--sans);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;
    background:none;border:1px solid var(--line);color:var(--ink-soft);
    padding:.5rem 1.1rem;border-radius:40px;cursor:pointer;transition:.3s var(--ease);
}
.filter__btn:hover{border-color:var(--ink);color:var(--ink)}
.filter__btn.is-active{background:var(--ink);border-color:var(--ink);color:var(--paper)}

.grid{
    display:grid;grid-template-columns:repeat(2,1fr);
    gap:clamp(1.1rem,2.4vw,2.2rem);
    padding:0 clamp(1.4rem,5vw,6rem);
}
.card{
    display:block;position:relative;overflow:hidden;
    transition:opacity .5s var(--ease), transform .5s var(--ease);
}
.card.is-hidden{display:none}
.card--wide{grid-column:1 / -1}
.card__media{position:relative;overflow:hidden;aspect-ratio:4/5;background:var(--paper-2);box-shadow:inset 0 0 0 1px var(--line-soft)}
.card--wide .card__media{aspect-ratio:16/8}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease), filter .6s}
.card__media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 60%,rgba(20,18,15,.32) 100%);
    opacity:.5;transition:opacity .5s;
}
.card:hover .card__media img{transform:scale(1.05)}
.card__view{
    position:absolute;left:1rem;bottom:1rem;z-index:2;
    display:inline-flex;align-items:center;gap:.5rem;
    color:#fff;font-size:.74rem;text-transform:uppercase;letter-spacing:.16em;
    opacity:0;transform:translateY(8px);transition:opacity .4s var(--ease),transform .4s var(--ease);
}
.card:hover .card__view{opacity:1;transform:none}
.card__body{padding:1.05rem .1rem 0;display:flex;flex-direction:column;gap:.18rem}
.card__cat{
    font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:var(--accent);
}
.card__title{
    font-family:var(--serif);font-weight:500;font-size:clamp(1.25rem,2vw,1.65rem);
    line-height:1.1;margin-top:.2rem;letter-spacing:-.01em;
    transition:color .3s;
}
.card:hover .card__title{color:var(--accent)}
.card__meta{font-size:.86rem;color:var(--ink-mute)}

/* ===========================================================
   STUDIO
   =========================================================== */
.studio{background:var(--paper);padding:clamp(4.5rem,9vw,8rem) 0;margin-top:clamp(2rem,5vw,4rem);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.studio__grid{
    display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1fr);
    gap:clamp(2rem,5vw,5rem);align-items:center;
    padding:0 clamp(1.4rem,5vw,6rem);
}
.studio__media{position:relative}
.studio__media img{width:100%;aspect-ratio:4/5;object-fit:cover;box-shadow:var(--shadow)}
.studio__media::before{
    content:"";position:absolute;left:-18px;top:-18px;width:60%;height:60%;
    border:1px solid var(--accent);z-index:0;
}
.studio__text p{color:var(--ink-soft);margin-bottom:1rem;max-width:60ch}
.studio__method{
    font-family:var(--serif);font-style:italic;font-size:1.18rem;
    color:var(--ink) !important;margin-top:1.6rem !important;
    padding-left:1.2rem;border-left:2px solid var(--accent);
}
.studio__collab{list-style:none;display:flex;gap:2.5rem;margin-top:2rem;flex-wrap:wrap}
.studio__collab li{display:flex;flex-direction:column}
.studio__collab strong{font-family:var(--serif);font-weight:500;font-size:1.05rem}
.studio__collab span{font-size:.8rem;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.1em;margin-top:.2rem}

/* ===========================================================
   NEWS
   =========================================================== */
.news{padding:clamp(4.5rem,9vw,8rem) 0}
.news__list{display:grid;gap:clamp(1.4rem,3vw,2.4rem);padding:0 clamp(1.4rem,5vw,6rem)}
.award{
    display:grid;grid-template-columns:minmax(0,260px) 1fr;gap:clamp(1.4rem,3vw,2.6rem);
    align-items:center;padding-bottom:clamp(1.4rem,3vw,2.4rem);border-bottom:1px solid var(--line);
}
.award:last-child{border-bottom:0}
.award__media{overflow:hidden;aspect-ratio:4/3}
.award__media img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.award:hover .award__media img{transform:scale(1.04)}
.award__year{font-family:var(--serif);font-size:1.1rem;color:var(--accent)}
.award__title{font-family:var(--serif);font-weight:500;font-size:clamp(1.3rem,2.4vw,1.9rem);line-height:1.1;margin:.3rem 0 .7rem}
.award__body p{color:var(--ink-soft);max-width:60ch}

/* ===========================================================
   CONTACT
   =========================================================== */
.contact{background:var(--paper);color:var(--ink);padding:clamp(4.5rem,9vw,8rem) 0;border-top:1px solid var(--line)}
.contact__inner{padding:0 clamp(1.4rem,5vw,6rem)}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem)}
.contact__lead p{
    font-family:var(--serif);font-size:clamp(1.5rem,2.8vw,2.2rem);line-height:1.28;
    color:var(--ink);max-width:20ch;letter-spacing:-.01em;
}
.contact__details{font-size:1.05rem;color:var(--ink-soft)}
.contact__details p{margin-bottom:1.1rem}
.contact__name{font-family:var(--serif);font-size:1.35rem;color:var(--ink)}
.contact__details a{transition:color .3s;border-bottom:1px solid transparent}
.contact__details a:hover{color:var(--accent);border-color:var(--accent)}
.contact__social{display:flex;gap:1.4rem;margin-top:1.6rem}
.contact__social a{text-transform:uppercase;letter-spacing:.15em;font-size:.8rem;color:var(--ink);border-bottom:1px solid var(--accent);padding-bottom:.3rem;transition:color .3s}
.contact__social a:hover{color:var(--accent)}

/* ===========================================================
   PROJECT DETAIL
   =========================================================== */
.proj__hero{position:relative;height:78vh;min-height:520px;display:flex;align-items:flex-end;color:var(--white)}
.proj__hero-media{position:absolute;inset:0;overflow:hidden;z-index:-1}
.proj__hero-media img{width:100%;height:100%;object-fit:cover;animation:heroZoom 14s var(--ease) forwards}
.proj__hero-scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,15,.35),rgba(20,18,15,.8))}
.proj__hero-content{padding:0 clamp(1.4rem,5vw,6rem) clamp(2.5rem,5vw,4rem);max-width:1000px}
.proj__back{display:inline-block;font-size:.8rem;text-transform:uppercase;letter-spacing:.18em;opacity:.85;margin-bottom:1.4rem;transition:opacity .3s}
.proj__back:hover{opacity:1}
.proj__cat{display:block;text-transform:uppercase;letter-spacing:.24em;font-size:.78rem;color:#e8c7af;margin-bottom:.8rem}
.proj__title{font-family:var(--serif);font-weight:500;font-size:clamp(2.2rem,6vw,4.4rem);line-height:1.02;letter-spacing:-.02em}
.proj__place{margin-top:.6rem;font-size:1.1rem;opacity:.9}

.proj__body{
    display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);
    gap:clamp(2rem,5vw,5rem);
    padding:clamp(3rem,6vw,6rem) clamp(1.4rem,5vw,6rem);
}
.proj__facts dl{display:flex;flex-direction:column;gap:1.1rem;position:sticky;top:100px}
.proj__facts div{display:flex;flex-direction:column;gap:.2rem;padding-bottom:1.1rem;border-bottom:1px solid var(--line)}
.proj__facts dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.16em;color:var(--ink-mute)}
.proj__facts dd{font-family:var(--serif);font-size:1.15rem}
.proj__text p{font-size:clamp(1.05rem,1.5vw,1.22rem);color:var(--ink-soft);margin-bottom:1.3rem;max-width:65ch}
.proj__text p:first-child{font-size:clamp(1.2rem,1.8vw,1.5rem);color:var(--ink);line-height:1.45}

.proj__gallery{
    columns:2;column-gap:clamp(1rem,2vw,1.6rem);
    padding:0 clamp(1.4rem,5vw,6rem) clamp(3rem,6vw,5rem);
}
.proj__shot{margin:0 0 clamp(1rem,2vw,1.6rem);break-inside:avoid;overflow:hidden;cursor:zoom-in;background:var(--paper-2)}
.proj__shot img{width:100%;transition:transform 1s var(--ease)}
.proj__shot:hover img{transform:scale(1.03)}

.proj__nav{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.proj__nav-link{padding:clamp(1.8rem,4vw,3rem) clamp(1.4rem,5vw,6rem);display:flex;flex-direction:column;gap:.4rem;transition:background .4s}
.proj__nav-link span{font-size:.75rem;text-transform:uppercase;letter-spacing:.18em;color:var(--ink-mute)}
.proj__nav-link strong{font-family:var(--serif);font-weight:500;font-size:clamp(1.2rem,2.4vw,1.8rem);transition:color .3s}
.proj__nav-link--next{text-align:right;align-items:flex-end;border-left:1px solid var(--line)}
.proj__nav-link:hover{background:var(--paper-2)}
.proj__nav-link:hover strong{color:var(--accent)}

/* ===========================================================
   PAGE HEAD (projects index / legal)
   =========================================================== */
.page-head{padding:calc(clamp(1.4rem,5vw,6rem) + 90px) clamp(1.4rem,5vw,6rem) clamp(2rem,4vw,3rem)}
.page-head--slim{padding-bottom:1rem}
.page-head__eyebrow{text-transform:uppercase;letter-spacing:.3em;font-size:.78rem;color:var(--accent);margin-bottom:1rem}
.page-head__title{font-family:var(--serif);font-weight:500;font-size:clamp(2.6rem,7vw,5rem);line-height:1;letter-spacing:-.02em}
.page-head__lede{margin-top:1rem;color:var(--ink-soft);max-width:50ch;font-size:1.1rem}
.page-head .filter{margin:2rem 0 0}

.prose{padding:0 clamp(1.4rem,5vw,6rem) clamp(5rem,10vw,8rem)}
.prose__inner{max-width:68ch}
.prose h2{font-family:var(--serif);font-weight:500;font-size:1.5rem;margin:2rem 0 .6rem}
.prose p{color:var(--ink-soft);margin-bottom:1rem}
.prose a{border-bottom:1px solid var(--accent)}

/* ===========================================================
   FOOTER
   =========================================================== */
.footer{background:var(--paper);border-top:1px solid var(--line);padding:clamp(3rem,6vw,5rem) 0 1.6rem}
.footer__inner{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;padding:0 clamp(1.4rem,5vw,6rem)}
.footer__brand{font-family:var(--serif);font-size:1.5rem;font-weight:600}
.footer__block p{color:var(--ink-soft);margin-top:.6rem;font-size:.95rem}
.footer__block a{transition:color .3s}
.footer__block a:hover{color:var(--accent)}
.footer__social{display:flex;gap:1.2rem;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem}
.footer__meta{font-size:.82rem !important;color:var(--ink-mute) !important;margin-top:1.2rem !important}
.footer__base{
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;
    margin-top:clamp(2.5rem,5vw,4rem);padding:1.4rem clamp(1.4rem,5vw,6rem) 0;
    border-top:1px solid var(--line);font-size:.8rem;color:var(--ink-mute);
    text-transform:uppercase;letter-spacing:.1em;
}
.footer__credit{
    margin-left:auto;text-transform:none;letter-spacing:.02em;
    font-size:.72rem;color:var(--ink-mute);opacity:.45;transition:opacity .3s;
}
.footer__credit:hover{opacity:.9;color:var(--accent)}

/* ===========================================================
   LIGHTBOX
   =========================================================== */
.lightbox{
    position:fixed;inset:0;z-index:100;background:rgba(18,16,13,.94);
    display:flex;align-items:center;justify-content:center;padding:4vw;
    opacity:0;visibility:hidden;transition:opacity .4s var(--ease);
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox img{max-width:92vw;max-height:88vh;object-fit:contain;box-shadow:var(--shadow);transform:scale(.96);transition:transform .4s var(--ease)}
.lightbox.is-open img{transform:scale(1)}
.lightbox__close{position:absolute;top:2rem;right:2.4rem;background:none;border:0;color:#fff;font-size:2.6rem;line-height:1;cursor:pointer;opacity:.8}
.lightbox__close:hover{opacity:1}

/* ===========================================================
   REVEAL ANIMATION
   =========================================================== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0ms)}
.reveal.is-in{opacity:1;transform:none}
.no-reveal .reveal{opacity:1 !important;transform:none !important}
.no-reveal .hero,.no-reveal .proj__hero{height:760px;min-height:760px}
@media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none}
    .hero__media img,.proj__hero-media img{animation:none}
    html{scroll-behavior:auto}
}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width:880px){
    .nav__links{
        position:fixed;inset:0 0 0 auto;width:min(80vw,340px);
        background:var(--ink);flex-direction:column;align-items:flex-start;justify-content:center;
        gap:1.8rem;padding:3rem;transform:translateX(100%);transition:transform .5s var(--ease);
    }
    .nav__links.is-open{transform:none}
    .nav__links a{color:var(--white) !important;font-size:1.1rem}
    .nav__toggle{display:flex;z-index:70}
    .studio__grid,.contact__grid,.proj__body,.award{grid-template-columns:1fr}
    .proj__facts dl{position:static;flex-direction:row;flex-wrap:wrap;gap:1rem 2rem}
    .proj__facts div{flex:1 1 40%;border-bottom:1px solid var(--line)}
    .footer__inner{grid-template-columns:1fr;gap:1.6rem}
    .award{gap:1rem}
    .award__media{aspect-ratio:16/9}
}
@media (max-width:600px){
    .grid{grid-template-columns:1fr}
    .card--wide{grid-column:auto}
    .card--wide .card__media{aspect-ratio:4/5}
    .proj__gallery{columns:1}
    .section-head{flex-direction:column;gap:.6rem}
    .filter{margin-left:0}
    .proj__nav strong{font-size:1.1rem}
}