/* ============================================================
   CHEFS FIRST — Design system
   Palette: brand green (from logo) + ink black + brushed steel neutrals
   Type: Oswald (display) / IBM Plex Sans (body) / IBM Plex Mono (spec/data)
   ============================================================ */

:root{
  /* ---- color ---- */
  --ink:        #14171A;
  --charcoal:   #1B1F22;
  --charcoal-2: #23282C;
  --steel-50:   #F0F2F3;
  --steel-100:  #E4E8EA;
  --steel-200:  #D2D8DB;
  --steel-300:  #B7C0C4;
  --steel-400:  #98A3A8;
  --steel-600:  #5B6770;
  --steel-800:  #2C3236;
  --white:      #FFFFFF;

  /* brand green — sampled from the Chefs First logo */
  --brand-green:      #76BD1D;  /* logo field green — buttons, icons, dark-bg emphasis */
  --brand-green-deep: #4F7A13;  /* AA-safe deep green — text/links on light backgrounds */
  --brand-green-pale: #EEF6E2;  /* faint tint for section backgrounds */

  /* ---- type ---- */
  --font-display: 'Oswald', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* ---- layout ---- */
  --maxw: 1240px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 3px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--steel-50);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  font-size:16px;
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; text-transform:uppercase; letter-spacing:.01em; line-height:1.08; }
p{ margin:0 0 1em; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 var(--gutter); }

:focus-visible{ outline:2px solid var(--brand-green-deep); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---- eyebrow / mono labels ---- */
.eyebrow{
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel-600);
}
.eyebrow::before{
  content:"";
  width:8px; height:8px; border-radius:50%;
  background:radial-gradient(circle at 30% 30%, var(--brand-green), var(--brand-green) 55%, var(--brand-green-deep));
  flex:0 0 auto;
}
.eyebrow.on-dark{ color:var(--steel-300); }

/* ---- corner-bracket frame (spec-tag signature element) ---- */
.spec-frame{
  position:relative;
  padding:clamp(28px,4vw,48px);
}
.spec-frame::before,
.spec-frame::after,
.spec-frame > .br-tl, .spec-frame > .br-br{ content:""; }
.spec-frame::before,
.spec-frame::after{
  position:absolute; width:26px; height:26px;
  border-color:var(--brand-green); border-style:solid; border-width:0;
}
.spec-frame::before{ top:0; left:0; border-top-width:2px; border-left-width:2px; }
.spec-frame::after{ bottom:0; right:0; border-bottom-width:2px; border-right-width:2px; }
.spec-frame.on-dark::before,
.spec-frame.on-dark::before,
.spec-frame.on-dark::after{ border-color:var(--brand-green); }

/* ================= HEADER / NAV ================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(20,23,26,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.logotype{
  display:flex; align-items:center; gap:.6em;
}
.logotype img{
  display:block;
  height:52px;
  width:auto;
  border-radius:6px;
}
.logotype .word{
  font-family:var(--font-mono);
  font-size:.62rem;
  letter-spacing:.2em;
  color:var(--steel-400);
  text-transform:uppercase;
  align-self:center;
  border-left:1px solid var(--steel-600);
  padding-left:.7em;
  line-height:1.3;
}
.primary-nav{ display:flex; gap:2px; align-items:center; }
.primary-nav a{
  display:block;
  padding:10px 16px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel-300);
  border-radius:2px;
  transition:color .15s ease, background .15s ease;
}
.primary-nav a:hover{ color:var(--white); background:rgba(255,255,255,.06); }
.primary-nav a.is-active{ color:var(--white); }
.primary-nav a.is-active::after{ content:""; }
.nav-cta{
  border:1px solid var(--brand-green) !important;
  color:var(--white) !important;
  margin-left:8px;
}
.nav-cta:hover{ background:var(--brand-green) !important; color:var(--ink) !important; border-color:var(--brand-green) !important; }

.menu-toggle{
  display:none;
  background:none; border:0; color:var(--white);
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.1em;
  text-transform:uppercase; cursor:pointer;
  align-items:center; gap:8px;
}
.menu-toggle .bars{ width:22px; height:14px; position:relative; }
.menu-toggle .bars span{
  position:absolute; left:0; width:100%; height:2px; background:var(--white);
}
.menu-toggle .bars span:nth-child(1){ top:0; }
.menu-toggle .bars span:nth-child(2){ top:6px; }
.menu-toggle .bars span:nth-child(3){ top:12px; }

@media (max-width:920px){
  .menu-toggle{ display:inline-flex; }
  .primary-nav{
    position:absolute; top:76px; left:0; right:0;
    background:var(--charcoal);
    flex-direction:column; align-items:stretch;
    max-height:0; overflow:hidden;
    border-bottom:1px solid rgba(255,255,255,.08);
    transition:max-height .3s ease;
  }
  .primary-nav.open{ max-height:480px; }
  .primary-nav a{ padding:16px var(--gutter); border-bottom:1px solid rgba(255,255,255,.06); }
  .nav-cta{ margin:10px var(--gutter); text-align:center; }
}

/* ================= BUTTONS ================= */
.btn{
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--font-mono);
  font-size:.75rem; letter-spacing:.12em; text-transform:uppercase;
  padding:14px 26px;
  border:1px solid currentColor;
  border-radius:2px;
  transition:background .18s ease, color .18s ease, border-color .18s ease;
  cursor:pointer;
  background:none;
}
.btn-primary{ background:var(--brand-green); border-color:var(--brand-green); color:var(--ink); }
.btn-primary:hover{ background:var(--brand-green-deep); border-color:var(--brand-green-deep); color:var(--ink); }
.btn-ghost-dark{ color:var(--white); border-color:rgba(255,255,255,.4); }
.btn-ghost-dark:hover{ border-color:var(--white); background:rgba(255,255,255,.08); }
.btn-ghost-light{ color:var(--ink); border-color:var(--steel-300); }
.btn-ghost-light:hover{ border-color:var(--ink); }
.btn-dark{ background:var(--ink); border-color:var(--ink); color:var(--white); }
.btn-dark:hover{ background:var(--charcoal-2); border-color:var(--charcoal-2); }
.btn .arrow{ transition:transform .18s ease; }
.btn:hover .arrow{ transform:translateX(3px); }

/* ================= HERO (home) ================= */
.hero{
  position:relative;
  background:
    linear-gradient(180deg, rgba(20,23,26,.55), rgba(20,23,26,.92)),
    center/cover no-repeat;
  color:var(--white);
  padding:clamp(80px,14vh,150px) 0 clamp(60px,10vh,110px);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 75%);
  pointer-events:none;
}
.hero-inner{ position:relative; max-width:760px; }
.hero-eyebrow{ margin-bottom:20px; }
.hero h1{
  font-size:clamp(2.4rem, 5.4vw, 4.2rem);
  margin-bottom:22px;
}
.hero h1 em{ font-style:normal; color:var(--brand-green); }
.hero p.lede{
  font-size:1.08rem;
  color:var(--steel-200);
  max-width:56ch;
  margin-bottom:34px;
}
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }

/* trust strip */
.trust-strip{
  background:var(--white);
  border-bottom:1px solid var(--steel-100);
  padding:26px 0;
}
.trust-row{
  display:flex; align-items:center; gap:clamp(18px,4vw,46px);
  flex-wrap:wrap;
}
.trust-label{
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--steel-400); flex:0 0 auto;
}
.trust-names{ display:flex; gap:clamp(16px,3vw,40px); flex-wrap:wrap; }
.trust-names span{
  font-family:var(--font-display); text-transform:uppercase;
  letter-spacing:.04em; font-size:.95rem; color:var(--steel-600);
}

/* ================= PAGE HEADER (interior pages) ================= */
.page-header{
  position:relative;
  background:
    linear-gradient(180deg, rgba(20,23,26,.75), rgba(20,23,26,.92)),
    center/cover no-repeat;
  color:var(--white);
  padding:74px 0 56px;
}
.page-header .container{ position:relative; }
.page-header .crumb{ margin-bottom:16px; }
.page-header h1{ font-size:clamp(2rem,4.6vw,3.2rem); }
.page-header h1 span{ color:var(--brand-green); }
.page-header p{ color:var(--steel-300); max-width:60ch; margin-top:14px; font-size:1rem;}

/* ================= SECTIONS ================= */
section{ padding:clamp(56px,8vw,104px) 0; }
.section-head{ max-width:680px; margin-bottom:44px; }
.section-head h2{ font-size:clamp(1.7rem,3.4vw,2.5rem); margin-top:14px; }
.section-head p{ color:var(--steel-600); margin-top:14px; }
.on-dark{ background:var(--charcoal); color:var(--white); }
.on-dark .section-head p{ color:var(--steel-300); }
.on-steel{ background:var(--brand-green-pale); }

/* ---- services (home + about) ---- */
.services-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:2px;
  background:var(--steel-200);
  border:1px solid var(--steel-200);
}
.service-card{
  background:var(--white);
  padding:36px 30px;
  display:flex; flex-direction:column; gap:14px;
}
.service-card .num{
  font-family:var(--font-mono); font-size:.72rem; color:var(--brand-green-deep);
  letter-spacing:.1em;
}
.service-card h3{ font-size:1.25rem; }
.service-card p{ color:var(--steel-600); font-size:.95rem; margin:0; }
@media (max-width:820px){ .services-grid{ grid-template-columns:1fr; } }

/* ---- brand marquee ---- */
.marquee-wrap{ overflow:hidden; }
.marquee-track{
  display:flex; gap:0; width:max-content;
  animation:scrollL 46s linear infinite;
}
.marquee-track.rev{ animation:scrollR 52s linear infinite; }
.marquee-wrap:hover .marquee-track{ animation-play-state:paused; }
@keyframes scrollL{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }
@keyframes scrollR{ from{ transform:translateX(-50%); } to{ transform:translateX(0); } }
.brand-chip{
  flex:0 0 auto;
  width:172px; height:96px;
  display:flex; align-items:center; justify-content:center;
  background:var(--white);
  border-right:1px solid var(--steel-200);
  padding:18px 22px;
}
.on-dark .brand-chip{ background:var(--charcoal-2); border-right:1px solid rgba(255,255,255,.08); }
.brand-chip img{
  max-height:44px; max-width:100%; width:auto; margin:0 auto;
  filter:grayscale(1) contrast(.9) brightness(1.4);
  opacity:.75; transition:opacity .2s ease, filter .2s ease;
}
.on-dark .brand-chip img{ filter:grayscale(1) brightness(2.2); }
.brand-chip:hover img{ filter:none; opacity:1; }

/* ---- portfolio teaser (home) ---- */
.tease-grid{
  display:grid; grid-template-columns:repeat(6,1fr); grid-auto-rows:130px; gap:10px;
}
.tease-grid a{ position:relative; overflow:hidden; grid-column:span 2; grid-row:span 2; }
.tease-grid a:nth-child(1){ grid-column:span 3; grid-row:span 3; }
.tease-grid a:nth-child(4){ grid-column:span 3; grid-row:span 3; }
.tease-grid img{
  width:100%; height:100%; object-fit:cover; display:block;
  transition:transform .5s ease;
}
.tease-grid a:hover img{ transform:scale(1.06); }
.tease-cap{
  position:absolute; inset:auto 0 0 0;
  padding:14px 16px 12px;
  background:linear-gradient(180deg, transparent, rgba(0,0,0,.82));
  color:var(--white);
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.06em;
  text-transform:uppercase;
}
@media (max-width:820px){
  .tease-grid{ grid-template-columns:repeat(2,1fr); grid-auto-rows:170px; }
  .tease-grid a, .tease-grid a:nth-child(1), .tease-grid a:nth-child(4){ grid-column:span 1; grid-row:span 1; }
}

/* ---- CTA band ---- */
.cta-band{
  background:linear-gradient(120deg, var(--ink), var(--charcoal-2));
  color:var(--white);
  padding:56px 0;
}
.cta-band-row{
  display:flex; align-items:center; justify-content:space-between; gap:26px; flex-wrap:wrap;
}
.cta-band h2{ font-size:clamp(1.5rem,3vw,2.1rem); }
.cta-band p{ color:rgba(255,255,255,.85); margin:6px 0 0; }

/* ================= FOOTER ================= */
.site-footer{ background:var(--ink); color:var(--steel-300); }
.footer-top{
  display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:36px;
  padding:64px 0 40px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logotype{ margin-bottom:18px; }
.footer-brand .logotype img{ height:68px; }
.footer-brand p{ color:var(--steel-400); font-size:.9rem; max-width:34ch; }
.footer-col h4{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.14em;
  color:var(--steel-400); margin-bottom:16px; text-transform:uppercase;
}
.footer-col a, .footer-col p{
  display:block; font-size:.9rem; color:var(--steel-300); margin-bottom:10px;
}
.footer-col a:hover{ color:var(--white); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  padding:22px 0; font-size:.78rem; color:var(--steel-600);
  font-family:var(--font-mono);
}
@media (max-width:900px){
  .footer-top{ grid-template-columns:1fr 1fr; }
}
@media (max-width:560px){
  .footer-top{ grid-template-columns:1fr; }
}

/* ================= ABOUT PAGE ================= */
.about-lead{
  display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:start;
}
.about-lead .figure{
  position:relative; border:1px solid var(--steel-200);
}
.about-lead .figure img{ width:100%; }
.about-lead .figure figcaption{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.06em;
  color:var(--steel-600); padding:12px 4px 0; text-transform:uppercase;
}
.about-lead p{ color:var(--steel-600); }
.about-lead h2{ font-size:clamp(1.8rem,3.4vw,2.6rem); margin-bottom:20px; }
@media (max-width:860px){ .about-lead{ grid-template-columns:1fr; } }

.service-detail{
  display:grid; grid-template-columns:.55fr 1fr; gap:40px;
  padding:38px 0; border-top:1px solid var(--steel-200);
}
.service-detail:last-child{ border-bottom:1px solid var(--steel-200); }
.service-detail .tag{ font-family:var(--font-mono); font-size:.75rem; color:var(--brand-green-deep); letter-spacing:.08em; }
.service-detail h3{ font-size:1.5rem; margin:8px 0 0; }
.service-detail p{ color:var(--steel-600); margin:0; }
@media (max-width:760px){ .service-detail{ grid-template-columns:1fr; gap:12px; } }

/* ================= BRANDS PAGE ================= */
.brand-grid{
  display:grid; grid-template-columns:repeat(6,1fr); gap:1px;
  background:var(--steel-200); border:1px solid var(--steel-200);
}
.brand-tile{
  background:var(--white);
  aspect-ratio:1.3/1;
  display:flex; align-items:center; justify-content:center;
  padding:20px; position:relative;
}
.brand-tile img{
  max-width:100%; max-height:64px;
  filter:grayscale(1) contrast(.95);
  opacity:.8; transition:opacity .2s ease, filter .2s ease, transform .2s ease;
}
.brand-tile:hover img{ filter:none; opacity:1; transform:scale(1.04); }
.brand-tile .visit{
  position:absolute; bottom:8px; right:10px;
  font-family:var(--font-mono); font-size:.6rem; letter-spacing:.08em;
  color:var(--steel-400); opacity:0; transition:opacity .2s ease;
  text-transform:uppercase;
}
.brand-tile:hover .visit{ opacity:1; color:var(--brand-green-deep); }
@media (max-width:920px){ .brand-grid{ grid-template-columns:repeat(4,1fr); } }
@media (max-width:600px){ .brand-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:420px){ .brand-grid{ grid-template-columns:repeat(2,1fr); } }

/* ================= KEY PEOPLE PAGE ================= */
.dept-block{ margin-bottom:52px; }
.dept-head{
  display:flex; align-items:baseline; gap:14px; margin-bottom:22px;
  border-bottom:1px solid var(--steel-200); padding-bottom:12px;
}
.dept-head h2{ font-size:1.3rem; }
.dept-head .count{ font-family:var(--font-mono); font-size:.75rem; color:var(--steel-400); }
.people-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:22px;
}
.person-card{
  background:var(--white); border:1px solid var(--steel-200);
  padding:20px; text-align:left;
  display:flex; gap:14px; align-items:flex-start;
}
.person-photo{
  width:60px; height:60px; border-radius:50%; overflow:hidden; flex:0 0 auto;
  background:var(--steel-200); display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); color:var(--steel-600); font-size:1.05rem;
}
.person-photo img{ width:100%; height:100%; object-fit:cover; }
.person-name{ font-family:var(--font-display); font-size:.95rem; letter-spacing:.01em; text-transform:uppercase; }
.person-role{ font-family:var(--font-mono); font-size:.68rem; color:var(--brand-green-deep); letter-spacing:.04em; text-transform:uppercase; margin:4px 0 8px; }
.person-email{ font-size:.8rem; color:var(--steel-600); word-break:break-all; }
.person-email:hover{ color:var(--brand-green-deep); }
@media (max-width:980px){ .people-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .people-grid{ grid-template-columns:1fr; } }

/* ================= PORTFOLIO PAGE ================= */
.filter-row{
  display:flex; gap:8px; flex-wrap:wrap; margin-bottom:32px;
}
.filter-btn{
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase;
  padding:9px 16px; border:1px solid var(--steel-300); color:var(--steel-600);
  background:none; cursor:pointer; border-radius:2px; transition:all .15s ease;
}
.filter-btn:hover{ border-color:var(--brand-green-deep); color:var(--brand-green-deep); }
.filter-btn.active{ background:var(--ink); border-color:var(--ink); color:var(--white); }

.portfolio-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.portfolio-item{
  position:relative; overflow:hidden; aspect-ratio:4/3; cursor:pointer;
  border:1px solid var(--steel-200);
}
.portfolio-item img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.portfolio-item:hover img{ transform:scale(1.07); }
.portfolio-item .cap{
  position:absolute; inset:auto 0 0 0; padding:14px 16px;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.85));
  color:var(--white); font-family:var(--font-mono); font-size:.68rem;
  letter-spacing:.05em; text-transform:uppercase;
}
.portfolio-item.is-hidden{ display:none; }
@media (max-width:900px){ .portfolio-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .portfolio-grid{ grid-template-columns:1fr; } }

/* ================= GALLERY PAGE ================= */
.gallery-grid{
  columns:4 220px; column-gap:14px;
}
.gallery-grid a{
  display:block; margin-bottom:14px; break-inside:avoid;
  border:1px solid var(--steel-200); overflow:hidden;
}
.gallery-grid img{ width:100%; display:block; transition:transform .4s ease; }
.gallery-grid a:hover img{ transform:scale(1.05); }

/* lightbox */
.lightbox{
  position:fixed; inset:0; background:rgba(15,17,19,.94);
  display:none; align-items:center; justify-content:center;
  z-index:1000; padding:5vh 5vw;
}
.lightbox.open{ display:flex; }
.lightbox img{ max-width:100%; max-height:90vh; border:1px solid rgba(255,255,255,.15); }
.lightbox-close{
  position:absolute; top:20px; right:26px; color:var(--white);
  font-family:var(--font-mono); font-size:.85rem; letter-spacing:.1em;
  background:none; border:1px solid rgba(255,255,255,.3); padding:8px 14px; cursor:pointer;
}
.lightbox-close:hover{ border-color:var(--white); }

/* misc */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--white); color:var(--ink); padding:10px 16px; z-index:200;
}
.skip-link:focus{ left:16px; top:16px; }