/* ── 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%}
picture{display:contents}

/* ── 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}
}

.page-hero-eyebrow{animation:heroFadeIn 0.7s ease 0.15s both}
.page-hero-title   {animation:heroFadeUp 0.9s cubic-bezier(0.16,1,0.3,1) 0.3s both}
.page-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:0.14s}
.stagger-3{transition-delay:0.22s}
.stagger-4{transition-delay:0.30s}
.reveal-left{
  opacity:0;
  transform:translateX(-20px);
  transition:opacity 0.65s ease, transform 0.65s ease;
}
.reveal-left.visible{opacity:1;transform:translateX(0)}

/* ── PAGE HERO ── */
.page-hero{
  position:relative;
  min-height:62vh;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  overflow:hidden;
  background:var(--gray-900);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 40%;
}
.page-hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(to top, rgba(13,13,13,0.92) 0%, rgba(13,13,13,0.60) 45%, rgba(13,13,13,0.30) 100%);
}
.page-hero-content{
  position:relative;
  z-index:2;
  padding:var(--sp-96) var(--sp-80) var(--sp-80);
  max-width:860px;
}
.page-hero-eyebrow-inner{
  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-hero-eyebrow-line{display:block;width:32px;height:1px;background:var(--accent)}
.page-hero-title{
  font-weight:900;
  font-size:clamp(40px,6vw,78px);
  line-height:0.92;
  letter-spacing:-0.025em;
  color:var(--white);
  margin-bottom:var(--sp-24);
}
.page-hero-sub{
  font-size:1rem;
  font-weight:300;
  color:rgba(255,255,255,0.65);
  line-height:1.7;
  max-width:520px;
}

/* ── 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)}
.section-title{
  font-weight:800;
  font-size:clamp(2rem,4vw,3rem);
  line-height:1;
  letter-spacing:-0.015em;
  margin-bottom:var(--sp-16);
}
.divider{width:48px;height:2px;background:var(--accent);margin:var(--sp-24) 0 var(--sp-40)}

/* ── STICKY SUBNAV ── */
.expertise-subnav{
  position:sticky;
  top:0;
  z-index:90;
  background:var(--black);
  border-bottom:1px solid #1E1E1E;
  overflow-x:auto;
  scrollbar-width:none;
}
.expertise-subnav::-webkit-scrollbar{display:none}
.expertise-subnav-inner{
  display:flex;
  align-items:stretch;
  padding:0 var(--sp-80);
  min-width:max-content;
}
.subnav-link{
  display:flex;
  align-items:center;
  padding:var(--sp-16) var(--sp-20);
  font-size:0.625rem;
  font-weight:600;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--gray-400);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color var(--transition), border-color var(--transition);
  gap:var(--sp-8);
}
.subnav-link:hover{color:var(--gray-200)}
.subnav-link.active{color:var(--white);border-bottom-color:var(--accent)}
.subnav-num{
  font-size:0.5rem;
  font-weight:700;
  color:var(--accent);
  letter-spacing:0.08em;
}

/* ── EXPERTISE DEEP-DIVE SECTIONS ── */
.expertise-section{
  padding:var(--sp-96) var(--sp-80);
}
.expertise-section.bg-white{background:var(--white)}
.expertise-section.bg-surface{background:var(--surface)}
.expertise-inner{max-width:1060px}

.expertise-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--sp-80);
  align-items:start;
  margin-top:var(--sp-8);
}
.expertise-split.reverse{direction:rtl}
.expertise-split.reverse > *{direction:ltr}

.expertise-body p{
  font-size:1rem;
  font-weight:300;
  line-height:1.75;
  color:var(--gray-600);
  margin-bottom:var(--sp-24);
}
.expertise-body p:last-child{margin-bottom:0}

.expertise-img{
  position:relative;
  overflow:hidden;
}
.expertise-img img{
  width:100%;
  height:100%;
  min-height:400px;
  object-fit:cover;
  display:block;
  filter:grayscale(20%);
  transition:filter 0.55s ease, transform 0.55s ease;
}
.expertise-img:hover img{filter:grayscale(0%);transform:scale(1.02)}
.expertise-img-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(to top, rgba(13,13,13,0.35) 0%, transparent 50%);
  pointer-events:none;
}

.expertise-inline-cta{
  display:inline-flex;
  align-items:center;
  gap:var(--sp-8);
  margin-top:var(--sp-32);
  font-size:0.6875rem;
  font-weight:600;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--accent);
  transition:color var(--transition), gap var(--transition);
}
.expertise-inline-cta:hover{color:var(--accent-dark);gap:var(--sp-12)}
.expertise-inline-cta svg{flex-shrink:0}

/* Section anchor offset for sticky subnav */
.anchor-target{
  scroll-margin-top:56px;
}

/* ── CTA SECTION ── */
.cta-section{
  background:var(--surface);
  padding:var(--sp-96) var(--sp-80);
  text-align:center;
}
.cta-tag{
  font-size:0.625rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:var(--sp-12);
  margin-bottom:var(--sp-16);
}
.cta-tag::before,.cta-tag::after{content:'';display:block;width:24px;height:1px;background:var(--accent)}
.cta-title{
  font-weight:800;
  font-size:clamp(2rem,5vw,3.5rem);
  line-height:1;
  letter-spacing:-0.02em;
  margin-bottom:var(--sp-24);
}
.vision-line{
  width:64px;height:2px;background:var(--accent);
  margin:0 auto var(--sp-32);
}
.cta-desc{
  font-size:1rem;
  font-weight:300;
  color:var(--gray-600);
  line-height:1.75;
  max-width:520px;
  margin:0 auto var(--sp-40);
}
.cta-btns{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:var(--sp-16);
  flex-wrap:wrap;
}
.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)}
.btn-cta-outline{
  background:transparent;
  color:var(--black);
  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:1.5px solid var(--black);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:var(--sp-8);
  transition:background var(--transition), color var(--transition), transform var(--transition);
  text-decoration:none;
}
.btn-cta-outline:hover{background:var(--black);color:var(--white);transform:translateY(-1px)}
.btn-cta-outline: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 STATES ── */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ══ MOBILE NAVIGATION ══ */
.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;
}

/* ══ BREAKPOINT: TABLET ══ */
@media(max-width:1024px){
  body{display:block}
  .menu-toggle{display:flex}
  .sidebar-overlay{display:block;transition:opacity 0.3s ease}
  .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-hero-content{padding:var(--sp-96) var(--sp-40) var(--sp-48)}
  .expertise-subnav-inner{padding:0 var(--sp-40)}
  .expertise-section{padding:var(--sp-80) var(--sp-40)}
  .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)}
}

/* ══ BREAKPOINT: MOBILE ══ */
@media(max-width:768px){
  .page-hero-content{padding:var(--sp-80) var(--sp-24) var(--sp-40)}
  .expertise-subnav-inner{padding:0 var(--sp-24)}
  .expertise-section{padding:var(--sp-64) var(--sp-24)}
  .expertise-split{grid-template-columns:1fr;gap:var(--sp-40)}
  .expertise-split.reverse{direction:ltr}
  .expertise-img img{min-height:280px}
  .cta-section{padding:var(--sp-64) var(--sp-24)}
  .cta-btns{flex-direction:column;align-items:stretch}
  .btn-cta-primary,.btn-cta-outline{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}
}

@media(max-width:480px){
  .expertise-section{padding:var(--sp-48) var(--sp-20)}
  .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}
}