/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Montserrat',sans-serif;font-weight:300;font-size:1rem;line-height:1.65;color:#0D0D0D;background:#fff;display:flex;min-height:100vh}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}

/* ── TOKENS ── */
:root{
  --black:      #0D0D0D;
  --gray-900:   #1A1A1A;
  --gray-800:   #262626;
  --gray-700:   #3D3D3D;
  --gray-600:   #525252;
  --gray-500:   #6B6B6B;
  --gray-400:   #8F8F8F;
  --gray-300:   #B8B8B8;
  --gray-200:   #D6D6D6;
  --gray-100:   #EBEBEB;
  --surface:    #F2F0ED;
  --white:      #FFFFFF;
  --accent:        #E8652D;
  --accent-dark:   #C04A1A;
  --accent-darker: #9E3B14;
  --accent-mid:    rgba(232,101,45,0.25);
  --accent-light:  rgba(232,101,45,0.08);
  --nav-w:     232px;
  --transition: 0.18s ease;
  --shadow:     0 4px 24px rgba(0,0,0,0.10);
  --sp-4:  0.25rem; --sp-8:  0.5rem;  --sp-10: 0.625rem;
  --sp-12: 0.75rem; --sp-14: 0.875rem;--sp-16: 1rem;
  --sp-20: 1.25rem; --sp-24: 1.5rem;  --sp-28: 1.75rem;
  --sp-32: 2rem;    --sp-40: 2.5rem;  --sp-48: 3rem;
  --sp-56: 3.5rem;  --sp-64: 4rem;    --sp-80: 5rem;
  --sp-96: 6rem;    --sp-128: 8rem;
}

/* ── SIDEBAR ── */
.sidebar{
  width:var(--nav-w);min-width:var(--nav-w);height:100vh;
  position:sticky;top:0;background:var(--black);
  display:flex;flex-direction:column;overflow-y:auto;
  z-index:100;scrollbar-width:thin;
  scrollbar-color:var(--gray-800) transparent;flex-shrink:0;
}
.sidebar-logo{padding:var(--sp-32) var(--sp-24) var(--sp-24);border-bottom:1px solid var(--gray-800)}
.sidebar-logo img{height:36px;width:auto}
.sidebar-tagline{font-size:9px;letter-spacing:0.14em;text-transform:uppercase;color:var(--gray-400);margin-top:var(--sp-12);font-weight:600}
.nav-section{padding:var(--sp-20) 0 var(--sp-8)}
.nav-label{font-size:9px;letter-spacing:0.16em;text-transform:uppercase;color:var(--gray-400);padding:0 var(--sp-24) var(--sp-8);display:block;font-weight:600}
.nav-link{display:block;padding:var(--sp-8) var(--sp-24);font-size:0.75rem;font-weight:500;color:var(--gray-400);letter-spacing:0.02em;border-left:2px solid transparent;transition:color var(--transition),background var(--transition),border-left-color var(--transition)}
.nav-link:hover{color:var(--white);background:var(--gray-900);border-left-color:var(--gray-700)}
.nav-link.active{color:var(--white);border-left-color:var(--accent);background:var(--gray-900)}
.sidebar-bottom{margin-top:auto;padding:var(--sp-24);border-top:1px solid var(--gray-800)}
.sidebar-cta{display:inline-flex;align-items:center;gap:var(--sp-8);padding:8px 14px;background:var(--surface);color:var(--accent-darker);font-size:0.75rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;border-radius:6px;text-decoration:none;transition:background var(--transition),color var(--transition)}
.sidebar-cta:hover{background:#E5E3DF;color:var(--accent-dark)}
.sidebar-contact-label{font-size:9px;letter-spacing:0.14em;text-transform:uppercase;color:var(--gray-400);font-weight:600;margin-bottom:var(--sp-8);display:block}
.sidebar-contact-link{font-size:0.75rem;font-weight:400;color:var(--accent);letter-spacing:0.02em;display:block}
.sidebar-contact-link:hover{color:var(--accent-dark)}

/* ── MAIN ── */
.main{flex:1;min-width:0;overflow-x:hidden}

/* ── ANIMATIONS ── */
@keyframes heroFadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes heroFadeIn{from{opacity:0}to{opacity:1}}

.hero-eyebrow{animation:heroFadeIn 0.7s ease 0.15s both}
.hero-title  {animation:heroFadeUp 0.9s cubic-bezier(0.16,1,0.3,1) 0.3s both}
.hero-sub    {animation:heroFadeUp 0.8s cubic-bezier(0.16,1,0.3,1) 0.5s both}

/* Scroll reveal */
.print-mode .reveal,.print-mode .reveal-left,
.print-mode .stagger-1,.print-mode .stagger-2,
.print-mode .stagger-3,.print-mode .stagger-4{
  opacity:1!important;transform:none!important;transition:none!important;
}
.reveal{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.stagger-1{transition-delay:0.06s}
.stagger-2{transition-delay:0.12s}
.stagger-3{transition-delay:0.18s}
.stagger-4{transition-delay:0.24s}
.stagger-5{transition-delay:0.30s}
.stagger-6{transition-delay:0.36s}
.reveal-left{opacity:0;transform:translateX(-20px);transition:opacity 0.65s ease,transform 0.65s ease}
.reveal-left.visible{opacity:1;transform:translateX(0)}

/* ── SECTION COMMONS ── */
.section-label{font-size:0.625rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent);margin-bottom:var(--sp-12);display:flex;align-items:center;gap:var(--sp-12);font-weight:600}
.section-label::before{content:'';display:block;width:24px;height:1px;background:var(--accent)}
.divider{width:48px;height:2px;background:var(--accent);margin:var(--sp-24) 0 var(--sp-48)}
.vision-line{width:48px;height:3px;background:var(--accent);margin:0 auto}

/* ── PAGE HEADER ── */
.page-header{
  background:var(--black);
  padding:var(--sp-128) var(--sp-80) var(--sp-96);
  position:relative;overflow:hidden;
  min-height:480px;display:flex;flex-direction:column;justify-content:flex-end;
}
.page-header::before{
  content:'';position:absolute;top:-30%;right:-5%;
  width:700px;height:700px;
  background:radial-gradient(ellipse at center,rgba(232,101,45,0.06) 0%,transparent 70%);
  pointer-events:none;z-index:1;
}
.page-header-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center 50%;
  transform:scale(1.19);transform-origin:center center;
  z-index:0;
}
.page-header-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top, rgba(13,13,13,0.92) 0%, rgba(13,13,13,0.55) 50%, rgba(13,13,13,0.30) 100%);
  pointer-events:none;
}
.page-header-content{position:relative;z-index:2}
.page-header-eyebrow{display:flex;align-items:center;gap:var(--sp-12);font-size:0.625rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:var(--sp-20)}
.page-header-eyebrow-line{display:block;width:32px;height:1px;background:var(--accent)}
.page-header-title{font-weight:900;font-size:clamp(40px,6vw,80px);line-height:0.92;letter-spacing:-0.025em;color:var(--white);margin-bottom:var(--sp-24)}
.page-header-sub{font-size:1.0625rem;font-weight:300;color:rgba(255,255,255,0.65);line-height:1.7;max-width:600px}

/* ── FILTER BAR ── */
.filter-bar-wrap{
  background:var(--white);
  border-bottom:1px solid var(--gray-100);
  position:sticky;top:0;z-index:50;
}
.filter-bar{
  display:flex;
  align-items:center;
  gap:0;
  padding:0 var(--sp-80);
  overflow-x:auto;
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-btn{
  font-family:'Montserrat',sans-serif;
  font-size:0.6875rem;
  font-weight:600;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--gray-400);
  background:transparent;
  border:none;
  border-bottom:2px solid transparent;
  padding:var(--sp-20) var(--sp-24);
  cursor:pointer;
  white-space:nowrap;
  transition:color var(--transition),border-bottom-color var(--transition);
}
.filter-btn:hover{color:var(--black)}
.filter-btn.active{color:var(--accent);border-bottom-color:var(--accent)}
.filter-count{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:18px;height:18px;
  background:var(--gray-100);
  color:var(--gray-500);
  font-size:0.5rem;
  font-weight:700;
  border-radius:50%;
  margin-left:6px;
  transition:background var(--transition),color var(--transition);
}
.filter-btn.active .filter-count{background:var(--accent-light);color:var(--accent)}

/* ── PORTFOLIO SECTION ── */
.portfolio-section{
  background:var(--white);
  padding:var(--sp-64) var(--sp-80) var(--sp-96);
}
.portfolio-header{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  margin-bottom:var(--sp-48);
  flex-wrap:wrap;
  gap:var(--sp-16);
}
.portfolio-count{
  font-size:0.75rem;
  font-weight:500;
  letter-spacing:0.06em;
  color:var(--gray-400);
  text-transform:uppercase;
}
.portfolio-count span{color:var(--black);font-weight:600}
.projects-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--sp-32);
}

/* ── PROJECT CARD ── */
.project-card{
  display:flex;flex-direction:column;gap:var(--sp-16);
  cursor:pointer;
  transition:opacity 0.35s ease, transform 0.35s ease;
}
.project-card.hidden{
  display:none;
}
.project-card-img{
  width:100%;height:260px;overflow:hidden;
  background:var(--gray-900);position:relative;
}
.project-card-img img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(100%);
  transition:transform 0.55s ease,filter 0.55s ease;
}
.project-card:hover .project-card-img img{transform:scale(1.05);filter:grayscale(0%)}
.project-card-img-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(13,13,13,0.6) 0%,transparent 55%);
  opacity:0;transition:opacity var(--transition);
}
.project-card:hover .project-card-img-overlay{opacity:1}
.project-card-tag{
  position:absolute;bottom:var(--sp-12);left:var(--sp-16);
  font-size:0.5625rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--white);background:rgba(13,13,13,0.6);
  padding:var(--sp-4) var(--sp-10);
  opacity:0;transform:translateY(4px);
  transition:opacity var(--transition),transform var(--transition);
}
.project-card:hover .project-card-tag{opacity:1;transform:translateY(0)}
.project-card-info{display:flex;flex-direction:column;gap:4px}
.project-card-name{
  font-size:1.0625rem;font-weight:600;color:var(--black);
  line-height:1.3;transition:color var(--transition);
}
.project-card:hover .project-card-name{color:var(--accent)}
.project-card-meta{
  font-size:0.75rem;font-weight:400;
  letter-spacing:0.06em;color:var(--gray-400);text-transform:uppercase;
}

/* Empty state when all cards filtered out */
.portfolio-empty{
  display:none;
  grid-column:1/-1;
  text-align:center;
  padding:var(--sp-96) 0;
}
.portfolio-empty.visible{display:block}
.portfolio-empty p{
  font-size:0.875rem;font-weight:400;color:var(--gray-400);
  letter-spacing:0.06em;
}

/* ── CTA SECTION ── */
.cta-section{
  background:var(--surface);
  padding:var(--sp-96) var(--sp-80);
  display:flex;flex-direction:column;align-items:center;
  text-align:center;gap:var(--sp-28);
  border-top:1px solid var(--gray-200);
}
.cta-tag{font-size:0.6875rem;font-weight:500;letter-spacing:0.28em;color:var(--gray-400);text-transform:uppercase}
.cta-title{font-size:clamp(1.75rem,4vw,3.25rem);font-weight:700;letter-spacing:-0.02em;line-height:1.1;color:var(--black);max-width:720px}
.cta-desc{font-size:1rem;font-weight:300;line-height:1.7;color:var(--gray-500);max-width:600px}
.cta-btns{display:flex;gap:var(--sp-16);align-items:center}
.btn-cta-primary{
  background:var(--black);color:var(--white);
  font-family:'Montserrat',sans-serif;font-weight:600;font-size:0.6875rem;
  letter-spacing:0.1em;text-transform:uppercase;
  padding:var(--sp-16) var(--sp-32);border:none;cursor:pointer;
  display:inline-flex;align-items:center;gap:var(--sp-8);
  transition:background var(--transition),transform var(--transition);text-decoration:none;
}
.btn-cta-primary:hover{background:var(--gray-800);transform:translateY(-1px)}
.btn-cta-primary:active{transform:translateY(0)}

/* ── FOOTER ── */
.footer{background:var(--black)}
.footer-main{display:flex;justify-content:space-between;padding:var(--sp-64) var(--sp-80) 0;gap:var(--sp-64)}
.footer-left{display:flex;flex-direction:column;gap:var(--sp-16);max-width:340px}
.footer-logo img{height:40px;width:auto}
.footer-tagline{font-size:0.8125rem;font-weight:400;letter-spacing:0.1em;color:var(--gray-400);line-height:1.6}
.footer-email{font-size:0.8125rem;font-weight:400;color:var(--accent);letter-spacing:0.02em;transition:color var(--transition)}
.footer-email:hover{color:var(--accent-dark)}
.footer-right{display:flex;gap:var(--sp-64);flex-shrink:0}
.footer-col{display:flex;flex-direction:column;gap:var(--sp-14)}
.footer-col-title{font-size:0.6875rem;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--white);margin-bottom:var(--sp-4)}
.footer-col-item{font-size:0.75rem;font-weight:400;color:var(--gray-400);letter-spacing:0.02em;transition:color var(--transition)}
.footer-col-item:hover{color:var(--gray-200)}
.footer-social{display:flex;gap:var(--sp-12);margin-top:var(--sp-8)}
.footer-social-link{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;border:1px solid var(--gray-700);color:var(--gray-400);transition:color var(--transition),border-color var(--transition)}
.footer-social-link:hover{color:var(--white);border-color:var(--gray-500)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-20) var(--sp-80);border-top:1px solid var(--gray-800);margin-top:var(--sp-64);flex-wrap:wrap;gap:var(--sp-12)}
.footer-copy{font-size:0.6875rem;font-weight:400;color:var(--gray-400);letter-spacing:0.06em}
.footer-legal{display:flex;gap:var(--sp-24)}
.footer-legal-link{font-size:0.6875rem;font-weight:400;color:var(--gray-400);letter-spacing:0.06em;transition:color var(--transition)}
.footer-legal-link:hover{color:var(--white)}

/* ── FOCUS ── */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ── CAROUSEL MODAL ── */
.carousel-backdrop{
  position:fixed;inset:0;z-index:499;
  background:rgba(0,0,0,0.82);
  opacity:0;pointer-events:none;
  transition:opacity 0.3s ease;
}
.carousel-backdrop.is-open{opacity:1;pointer-events:auto}

.carousel-modal{
  position:fixed;inset:0;z-index:500;
  display:flex;flex-direction:column;
  background:var(--black);
  opacity:0;pointer-events:none;
  transform:translateY(16px);
  transition:opacity 0.35s cubic-bezier(0.16,1,0.3,1),transform 0.35s cubic-bezier(0.16,1,0.3,1);
}
.carousel-modal.is-open{opacity:1;pointer-events:auto;transform:translateY(0)}

.carousel-topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:var(--sp-20) var(--sp-32);
  border-bottom:1px solid var(--gray-800);
  flex-shrink:0;
}
.carousel-modal-label{
  font-size:0.5625rem;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--accent);font-weight:600;
  display:flex;align-items:center;gap:var(--sp-10);
}
.carousel-modal-label::before{content:'';display:block;width:20px;height:1px;background:var(--accent)}
.carousel-close{
  background:none;border:none;cursor:pointer;
  color:var(--gray-400);padding:var(--sp-8);margin:-var(--sp-8);
  font-size:1.125rem;line-height:1;
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;
  border-radius:4px;
  transition:color var(--transition),background var(--transition);
}
.carousel-close:hover{color:var(--white);background:var(--gray-900)}
.carousel-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.carousel-inner{
  flex:1;overflow:hidden;position:relative;min-height:0;
}
.carousel-track{
  display:flex;
  height:100%;
  overflow-x:auto;
  overflow-y:hidden;
  scroll-snap-type:x mandatory;
  gap:var(--sp-12);
  padding:var(--sp-32) var(--sp-48);
  scrollbar-width:none;
  cursor:grab;
  -webkit-overflow-scrolling:touch;
}
.carousel-track::-webkit-scrollbar{display:none}
.carousel-track.is-dragging{cursor:grabbing;scroll-snap-type:none}
.carousel-track img{
  height:100%;
  width:auto;
  max-width:88vw;
  min-width:220px;
  object-fit:cover;
  border-radius:3px;
  scroll-snap-align:start;
  flex-shrink:0;
  user-select:none;
  pointer-events:none;
  filter:grayscale(15%);
}

.carousel-footer{
  flex-shrink:0;
  padding:var(--sp-20) var(--sp-48) var(--sp-28);
  border-top:1px solid var(--gray-800);
  display:flex;flex-direction:column;gap:var(--sp-8);
}
.carousel-title{
  font-size:1.25rem;font-weight:700;
  color:var(--accent);letter-spacing:-0.01em;line-height:1.2;
}
.carousel-meta{font-size:0.6875rem;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--gray-500)}
.carousel-hint{
  font-size:0.5625rem;letter-spacing:0.14em;text-transform:uppercase;
  color:var(--gray-600);font-weight:500;margin-top:var(--sp-4);
}

@media(max-width:768px){
  .carousel-topbar{padding:var(--sp-16) var(--sp-20)}
  .carousel-track{padding:var(--sp-16) var(--sp-20);gap:var(--sp-8)}
  .carousel-footer{padding:var(--sp-16) var(--sp-20) var(--sp-24)}
  .carousel-track img{max-width:85vw}
}

/* ── MOBILE NAV ── */
.menu-toggle{display:none;position:fixed;top:var(--sp-16);right:var(--sp-16);z-index:300;width:44px;height:44px;background:var(--black);border:none;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:4px;padding:0;box-shadow:0 2px 12px rgba(0,0,0,0.35);transition:background var(--transition)}
.menu-toggle:hover{background:var(--gray-800)}
.menu-toggle-bar{display:block;width:22px;height:1.5px;background:var(--white);border-radius:1px;transition:transform 0.3s cubic-bezier(0.4,0,0.2,1),opacity 0.2s ease}
.menu-toggle.open .menu-toggle-bar:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-toggle.open .menu-toggle-bar:nth-child(2){opacity:0;transform:scaleX(0)}
.menu-toggle.open .menu-toggle-bar:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.55);z-index:199;opacity:0;pointer-events:none;transition:opacity 0.3s ease}

/* ── TABLET ── */
@media(max-width:1024px){
  body{display:block}
  .menu-toggle{display:flex}
  .sidebar-overlay{display:block}
  .sidebar-overlay.active{opacity:1;pointer-events:auto}
  .sidebar{position:fixed;left:0;top:0;height:100%;z-index:200;transform:translateX(-100%);transition:transform 0.3s cubic-bezier(0.4,0,0.2,1)}
  .sidebar.open{transform:translateX(0)}
  .main{width:100%}
  .page-header{padding:var(--sp-96) var(--sp-40) var(--sp-64);min-height:380px}
  .filter-bar{padding:0 var(--sp-40)}
  .portfolio-section{padding:var(--sp-56) var(--sp-40) var(--sp-80)}
  .projects-grid{grid-template-columns:repeat(2,1fr)}
  .project-card-img img{filter:grayscale(0%)}
  .cta-section{padding:var(--sp-80) var(--sp-40)}
  .footer-main{padding:var(--sp-64) var(--sp-40) 0}
  .footer-bottom{padding:var(--sp-20) var(--sp-40)}
}

/* ── MOBILE ── */
@media(max-width:768px){
  .page-header{padding:var(--sp-80) var(--sp-24) var(--sp-48);min-height:320px}
  .filter-bar-wrap{padding:var(--sp-12) 0}
  .filter-bar{
    padding:0 var(--sp-24);
    overflow-x:visible;
    flex-wrap:wrap;
    gap:var(--sp-8);
    justify-content:flex-start;
  }
  .filter-btn{
    padding:var(--sp-8) var(--sp-14);
    border:1px solid var(--gray-200);
    border-bottom:1px solid var(--gray-200);
    border-radius:999px;
    font-size:0.625rem;
    line-height:1;
  }
  .filter-btn.active{
    border-color:var(--accent);
    background:var(--accent-light);
  }
  .filter-count{
    width:16px;height:16px;
    font-size:0.5rem;
    margin-left:5px;
  }
  .portfolio-section{padding:var(--sp-48) var(--sp-24) var(--sp-64)}
  .projects-grid{grid-template-columns:1fr}
  .cta-section{padding:var(--sp-64) var(--sp-24)}
  .cta-btns{flex-direction:column;align-items:stretch}
  .btn-cta-primary{justify-content:center}
  .footer-main{flex-direction:column;padding:var(--sp-48) var(--sp-24) 0;gap:var(--sp-40)}
  .footer-left{max-width:none}
  .footer-right{flex-wrap:wrap;gap:var(--sp-32)}
  .footer-bottom{padding:var(--sp-20) var(--sp-24)}
  .nav-link{min-height:44px;display:flex;align-items:center}
}

/* ── SMALL PHONE ── */
@media(max-width:480px){
  .page-header{padding:var(--sp-64) var(--sp-20) var(--sp-40)}
  .filter-bar{padding:0 var(--sp-20)}
  .portfolio-section{padding:var(--sp-40) var(--sp-20) var(--sp-56)}
  .cta-section{padding:var(--sp-48) var(--sp-20)}
  .footer-main{padding:var(--sp-40) var(--sp-20) 0}
  .footer-bottom{padding:var(--sp-16) var(--sp-20)}
  .footer-right{flex-direction:column}
  .footer-legal{flex-wrap:wrap}
}