/* ============================================================
   A9 ARCHITECTURE — a9arch.com
   Design system inspirado no HGA (hga.com)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Newsreader:opsz,wght@6..72,300;6..72,400;6..72,500&display=swap');

:root{
  --ink:#1b1b19;
  --muted:#6e6d68;
  --faint:#9a9994;
  --line:#e4e2db;
  --paper:#ffffff;
  --stone:#f4f3ee;
  --graphite:#0c2e3c;
  --graphite-2:#123a49;
  --accent:#0c8ba8;
  --accent-ink:#0a6b83;
  --gold:#0c8ba8;
  --maxw:1280px;
  --gut:clamp(20px,5vw,64px);
  --font-serif:'Newsreader',Georgia,'Times New Roman',serif;
  --font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* ---------- helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut)}
.eyebrow{
  font-size:.72rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);
}
.serif{font-family:var(--font-serif)}
h1,h2,h3{font-family:var(--font-serif);font-weight:400;line-height:1.08;letter-spacing:-.01em;color:var(--ink)}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);line-height:1.65}
.muted{color:var(--muted)}

.link-more{
  display:inline-flex;align-items:center;gap:.5em;
  font-size:.74rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  border-bottom:1px solid var(--ink);padding-bottom:3px;transition:.2s;
}
.link-more:hover{gap:.85em;border-color:var(--gold)}

.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-sans);font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  background:var(--accent);color:#fff;
  padding:16px 30px;border:none;cursor:pointer;transition:.2s;
}
.btn:hover{background:#0a7388}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--light{background:#fff;color:var(--ink)}

/* ---------- top bar ---------- */
.topbar{border-bottom:1px solid var(--line);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.topbar .wrap{display:flex;justify-content:flex-end;align-items:center;gap:22px;height:38px}
.topbar a:hover{color:var(--ink)}

/* ---------- main nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand__logo{height:34px;width:auto;display:block}
.footer .brand__logo{filter:brightness(0) invert(1)}
.menu{display:flex;gap:30px;align-items:center}
.menu a{
  font-size:.78rem;font-weight:500;letter-spacing:.11em;text-transform:uppercase;color:var(--ink);
  padding:6px 0;border-bottom:2px solid transparent;transition:.2s;
}
.menu a:hover,.menu a.active{border-color:var(--gold)}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero--page{min-height:56vh}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.1s ease;z-index:0}
.hero__img.is-active{opacity:1}
.hero--page .hero__img{opacity:1}
.hero__dots{position:absolute;z-index:3;bottom:clamp(16px,2.6vw,28px);left:50%;transform:translateX(-50%);display:flex;gap:9px}
.hero__dots button{width:9px;height:9px;padding:0;border:none;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:.25s}
.hero__dots button.is-active{background:#fff;width:26px;border-radius:5px}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,17,15,.34) 0%,rgba(17,17,15,.12) 36%,rgba(17,17,15,.86) 100%)}
.hero__inner{position:relative;z-index:2;width:100%;padding-bottom:clamp(40px,7vw,90px);padding-top:120px}
.hero__inner .wrap{display:flex;justify-content:flex-end}
.hero__box{max-width:680px;text-align:left}
.hero .eyebrow{color:rgba(255,255,255,.82);margin-bottom:18px}
.hero h1{color:#fff;font-size:clamp(2.5rem,5.4vw,4.6rem);font-weight:300;line-height:1.04}
.hero p{margin-top:22px;font-size:clamp(1rem,1.5vw,1.18rem);color:rgba(255,255,255,.9);max-width:560px;margin-left:auto}
.hero:not(.hero--page) .hero__inner .wrap{justify-content:flex-start}
.hero:not(.hero--page) .hero__box{text-align:left;max-width:720px;text-shadow:0 2px 24px rgba(0,0,0,.5)}
.hero:not(.hero--page) .hero__box p{margin-left:0;margin-right:auto}
.hero:not(.hero--page)::after{background:linear-gradient(180deg,rgba(12,12,16,.46) 0%,rgba(12,12,16,.42) 46%,rgba(12,12,16,.8) 100%)}

/* ---------- highlights bar ---------- */
.highlights{border-bottom:1px solid var(--line)}
.highlights .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.hl{padding:30px 34px 34px 0;border-top:3px solid var(--ink)}
.hl + .hl{padding-left:34px}
.hl h4{font-family:var(--font-sans);font-size:.95rem;font-weight:600;margin-bottom:6px;letter-spacing:0}
.hl p{font-size:.9rem;color:var(--muted);line-height:1.55}

/* ---------- section base ---------- */
.section{padding:clamp(64px,9vw,120px) 0}
.section--stone{background:var(--stone)}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:46px}
.section__head h2{font-size:clamp(1.7rem,3vw,2.6rem)}

/* ---------- statement (media + text) ---------- */
.statement{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,80px);align-items:center}
.statement__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--stone)}
.statement__media img{width:100%;height:100%;object-fit:cover}
.statement__media .play{position:absolute;left:24px;bottom:24px;width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--ink)}
.statement h2{font-size:clamp(1.7rem,2.8vw,2.5rem);margin-bottom:24px}
.statement p{margin-bottom:18px;color:var(--muted)}
.statement .pull{font-family:var(--font-serif);font-style:italic;font-size:1.2rem;color:var(--ink);line-height:1.5;border-left:2px solid var(--gold);padding-left:20px;margin-top:28px}

/* ---------- work grid ---------- */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2vw,30px) clamp(18px,2vw,28px)}
.card{display:block;group:card}
.card__img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--stone)}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover .card__img img{transform:scale(1.04)}
.card h3{font-size:1.16rem;margin-top:16px;font-weight:400}
.card .meta{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-top:6px}

/* ---------- expertise (markets style) ---------- */
.markets{display:grid;grid-template-columns:1.15fr .8fr 1fr;gap:clamp(28px,4vw,60px);align-items:stretch}
.markets__media{position:relative;overflow:hidden;background:var(--stone);min-height:420px}
.markets__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.markets__nav{display:flex;flex-direction:column;justify-content:center;gap:2px;border-left:1px solid var(--line);padding-left:0}
.markets__nav button{
  text-align:left;background:none;border:none;cursor:pointer;font-family:var(--font-sans);
  font-size:1rem;color:var(--muted);padding:11px 0 11px 22px;margin-left:-1px;border-left:2px solid transparent;transition:.2s;
}
.markets__nav button:hover{color:var(--ink)}
.markets__nav button.active{color:var(--ink);font-weight:500;border-color:var(--gold)}
.markets__body{display:flex;flex-direction:column;justify-content:center}
.markets__body .eyebrow{margin-bottom:14px}
.markets__body h3{font-size:clamp(1.6rem,2.4vw,2.1rem);margin-bottom:18px;font-weight:400}
.markets__body p{color:var(--muted);margin-bottom:26px}

/* ---------- cta band ---------- */
.cta{background:var(--graphite);color:#fff;text-align:center;padding:clamp(60px,8vw,110px) 0}
.cta h2{color:#fff;font-size:clamp(1.8rem,3.4vw,2.9rem);font-weight:300;max-width:760px;margin:0 auto 30px}
.cta .eyebrow{color:var(--gold);margin-bottom:18px}

/* ---------- footer ---------- */
.footer{background:var(--graphite);color:rgba(255,255,255,.66);border-top:1px solid rgba(255,255,255,.08)}
.footer__top{padding:60px 0 40px;display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-start}
.footer__links{display:flex;gap:34px;flex-wrap:wrap;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.footer__links a:hover{color:#fff}
.footer__social{display:flex;gap:18px;font-size:1.05rem}
.news{padding:34px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:18px 26px;align-items:center;justify-content:space-between}
.news p{font-size:.92rem;color:rgba(255,255,255,.8)}
.news form{display:flex;gap:0}
.news input{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:#fff;padding:13px 16px;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;min-width:240px;font-family:var(--font-sans)}
.news input::placeholder{color:rgba(255,255,255,.5)}
.news button{border:none}
.footer__legal{padding:22px 0;border-top:1px solid rgba(255,255,255,.1);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.42);display:flex;gap:26px;flex-wrap:wrap}

/* ---------- page hero (interior) ---------- */
.phero{background:var(--stone);padding:clamp(70px,10vw,130px) 0 clamp(48px,6vw,80px)}
.phero .eyebrow{margin-bottom:18px}
.phero h1{font-size:clamp(2.2rem,4.6vw,3.8rem);font-weight:300;max-width:14ch}
.phero p{margin-top:22px;max-width:60ch}

/* ---------- generic content ---------- */
.prose{max-width:62ch}
.prose h2{font-size:clamp(1.5rem,2.4vw,2rem);margin:0 0 18px}
.prose h3{font-size:1.25rem;margin:34px 0 10px}
.prose p{color:var(--muted);margin-bottom:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px)}
.steps{counter-reset:s;display:grid;gap:0}
.steps li{list-style:none;counter-increment:s;display:grid;grid-template-columns:54px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--font-serif);font-size:1.1rem;color:var(--gold)}
.steps b{font-weight:600;display:block;margin-bottom:2px}
.steps span{color:var(--muted);font-size:.95rem}
.feature-list{list-style:none;display:grid;gap:14px}
.feature-list li{position:relative;padding-left:22px;color:var(--muted)}
.feature-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;background:var(--gold)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,48px);text-align:center}
.stats .num{font-family:var(--font-serif);font-size:clamp(2.4rem,4vw,3.4rem);font-weight:300;color:var(--ink)}
.stats .lab{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:8px}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,40px)}
.quote{border-top:3px solid var(--ink);padding-top:22px}
.quote p{font-family:var(--font-serif);font-size:1.18rem;font-style:italic;color:var(--ink);line-height:1.5;margin-bottom:16px}
.quote cite{font-style:normal;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---------- insights / blog ---------- */
.blog-feature{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(28px,4vw,56px);align-items:center;margin-bottom:clamp(40px,5vw,66px);padding-bottom:clamp(40px,5vw,66px);border-bottom:1px solid var(--line)}
.blog-feature__img{aspect-ratio:4/3;overflow:hidden;background:var(--stone)}
.blog-feature__img img{width:100%;height:100%;object-fit:cover}
.blog-feature .cat,.blog-card .cat{font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;color:var(--accent-ink)}
.blog-feature h2{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:400;margin:14px 0 16px;line-height:1.12}
.blog-feature p{color:var(--muted);margin-bottom:20px}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,44px) clamp(24px,3vw,40px)}
.blog-card{display:block}
.blog-card__img{aspect-ratio:3/2;overflow:hidden;background:var(--stone);margin-bottom:16px}
.blog-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.blog-card:hover .blog-card__img img{transform:scale(1.04)}
.blog-card h3{font-size:1.2rem;font-weight:400;margin:8px 0 10px;line-height:1.22}
.blog-card .excerpt{color:var(--muted);font-size:.92rem;line-height:1.55}
.blog-card .date{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-top:12px}
.article-head{background:var(--stone);padding:clamp(56px,8vw,104px) 0 clamp(36px,4vw,56px)}
.article-head .cat{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink)}
.article-head h1{font-size:clamp(1.9rem,3.8vw,3.1rem);font-weight:300;max-width:20ch;margin:16px 0 20px;line-height:1.1}
.article-head .article-meta{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.article-cover img{width:100%;height:clamp(260px,42vw,520px);object-fit:cover}
.article-body{max-width:720px;margin:0 auto;padding:clamp(44px,6vw,76px) var(--gut)}
.article-body .lede{font-family:var(--font-serif);font-size:clamp(1.25rem,2vw,1.5rem);line-height:1.5;color:var(--ink);margin-bottom:30px}
.article-body p{margin-bottom:22px;font-size:1.06rem;line-height:1.78;color:#36352f}
.article-body h2{font-family:var(--font-serif);font-size:clamp(1.35rem,2.2vw,1.8rem);font-weight:400;margin:40px 0 12px;color:var(--ink)}
.article-body blockquote{border-left:3px solid var(--gold);padding-left:24px;margin:30px 0;font-family:var(--font-serif);font-style:italic;font-size:clamp(1.2rem,1.8vw,1.45rem);line-height:1.5;color:var(--ink)}
.article-body ul{margin:0 0 22px 20px;color:#36352f}
.article-body li{margin-bottom:8px;line-height:1.7}
.article-cta{background:var(--stone);padding:clamp(36px,4vw,52px);text-align:center}
.article-cta h3{font-family:var(--font-serif);font-size:clamp(1.3rem,2vw,1.7rem);font-weight:400;margin-bottom:18px}

/* ---------- project page ---------- */
.proj-hero img{width:100%;height:clamp(320px,55vw,640px);object-fit:cover;display:block}
.proj-head{padding:clamp(34px,5vw,58px) 0 0}
.proj-head .cat{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink)}
.proj-head h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:300;margin:14px 0 0;line-height:1.05}
.proj-meta{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:30px;padding-top:26px;border-top:1px solid var(--line)}
.proj-meta .k{font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);margin-bottom:5px}
.proj-meta .v{font-size:.98rem;color:var(--ink)}
.proj-body{max-width:760px;margin:0;padding:clamp(30px,4vw,46px) 0 clamp(34px,4vw,52px)}
.proj-body p{font-size:1.08rem;line-height:1.78;color:#36352f;margin-bottom:20px}
.proj-body .lede{font-family:var(--font-serif);font-size:clamp(1.2rem,1.9vw,1.45rem);line-height:1.5;color:var(--ink);margin-bottom:26px}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:clamp(10px,1.4vw,16px)}
.gallery a{display:block;overflow:hidden;background:var(--stone)}
.gallery img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:3/2;transition:transform .6s ease}
.gallery a:hover img{transform:scale(1.03)}
.gallery .wide{grid-column:1 / -1}
.gallery .wide img{aspect-ratio:16/7}
@media(max-width:640px){.gallery{grid-template-columns:1fr}.proj-meta{gap:14px 28px}}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .menu{display:none}
  .nav-toggle{display:block}
  .menu.open{display:flex;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px var(--gut) 24px;border-bottom:1px solid var(--line)}
  .menu.open a{padding:14px 0;border-bottom:1px solid var(--line);width:100%}
  .statement,.markets,.grid-2{grid-template-columns:1fr!important}
  .work-grid{grid-template-columns:1fr 1fr!important}
  .blog-grid{grid-template-columns:1fr 1fr!important}
  .blog-feature{grid-template-columns:1fr!important}
  .highlights .wrap{grid-template-columns:1fr}
  .hl,.hl+.hl{padding:24px 0}
  .stats{grid-template-columns:1fr 1fr;gap:32px}
  .quotes{grid-template-columns:1fr}
  .markets__nav{border-left:none;border-top:1px solid var(--line);flex-direction:row;flex-wrap:wrap;padding-top:18px}
  .markets__nav button{border-left:none;border-top:2px solid transparent;padding:8px 16px 8px 0}
  .hero__inner .wrap{justify-content:flex-start}
}
@media (max-width:560px){
  .work-grid{grid-template-columns:1fr!important}
  .blog-grid{grid-template-columns:1fr!important}
  .footer__top{flex-direction:column;gap:24px}
  .news{flex-direction:column;align-items:flex-start}
  .news input{min-width:0;width:100%}
}