/* =========================================================
   Nexus Businesses — tokens
   ========================================================= */
:root{
  --navy-deep: #0F1E33;
  --navy: #16294A;
  --navy-soft: #223458;
  --brass: #B8922F;
  --brass-light: #D4AF5A;
  --paper: #F6F3EC;
  --paper-dim: #ECE7DA;
  --ink: #1B1B1B;
  --ink-soft: #5B5F66;
  --ink-on-navy: #E9E5D8;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1180px;
  --radius: 2px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ font-family: var(--font-display); font-weight:500; margin:0; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }

::selection{ background: var(--brass); color: var(--navy-deep); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  padding: .95rem 1.9rem;
  font-family: var(--font-body);
  font-weight:600;
  font-size: .82rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn:focus-visible{ outline: 2px solid var(--brass); outline-offset: 3px; }

.btn-brass{
  background: var(--brass);
  color: var(--navy-deep);
}
.btn-brass:hover{ background: var(--brass-light); }

.btn-outline{
  background: transparent;
  border-color: currentColor;
  color: var(--navy);
}
.btn-outline:hover{
  background: var(--navy);
  color: var(--ink-on-navy);
  border-color: var(--navy);
}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position: sticky;
  top:0;
  z-index: 100;
  background: rgba(15,30,51,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(184,146,47,.25);
  transition: padding .25s ease;
}
.header-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.35rem 2rem;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 2rem;
}
.brand{ display:flex; align-items:center; gap:.7rem; }
.brand-mark{
  width: 34px; height:34px;
  display:flex; align-items:center; justify-content:center;
  border: 1px solid var(--brass);
  color: var(--brass);
  font-family: var(--font-display);
  font-size: 1.05rem;
  border-radius: 50%;
  flex-shrink:0;
}
.brand-name{
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: .01em;
  color: var(--ink-on-navy);
}
.brand-name em{ font-style: normal; color: var(--brass-light); }

.main-nav{ display:flex; gap: 2.1rem; }
.main-nav a{
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(233,229,216,.72);
  position:relative;
  padding-bottom: 4px;
}
.main-nav a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background: var(--brass);
  transition: width .25s ease;
}
.main-nav a:hover,
.main-nav a.is-active{ color: var(--ink-on-navy); }
.main-nav a:hover::after,
.main-nav a.is-active::after{ width:100%; }

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none; border:none; cursor:pointer;
  padding: 6px;
}
.nav-toggle span{
  width: 22px; height:2px; background: var(--ink-on-navy);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(184,146,47,.18), transparent 60%),
    var(--navy-deep);
  color: var(--ink-on-navy);
  padding: 7.5rem 2rem 6rem;
  position: relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image: repeating-linear-gradient(90deg, rgba(233,229,216,.05) 0 1px, transparent 1px 120px);
  pointer-events:none;
}
.hero-inner{
  max-width: var(--container);
  margin: 0 auto;
  position:relative;
}
.eyebrow{
  font-size: .8rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--brass-light);
  margin-bottom: 1.4rem;
}
.hero h1{
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.05;
  max-width: 14ch;
  opacity:0;
  animation: rise .9s ease forwards .1s;
}
.hero-lede{
  margin-top: 1.7rem;
  max-width: 46ch;
  font-size: 1.08rem;
  color: rgba(233,229,216,.78);
  opacity:0;
  animation: rise .9s ease forwards .3s;
}
.hero-chain{
  display:flex;
  flex-wrap: wrap;
  gap: .6rem 0;
  margin-top: 2.4rem;
  font-size: .82rem;
  letter-spacing: .05em;
  color: rgba(233,229,216,.55);
  opacity:0;
  animation: rise .9s ease forwards .45s;
}
.hero-chain li:not(:last-child)::after{
  content: "·";
  margin: 0 .8rem;
  color: var(--brass);
}
.hero .btn{
  margin-top: 2.6rem;
  opacity:0;
  animation: rise .9s ease forwards .6s;
}

@keyframes rise{
  from{ opacity:0; transform: translateY(16px); }
  to{ opacity:1; transform: translateY(0); }
}

/* =========================================================
   Directory: plaque rail + panels
   ========================================================= */
.directory{
  max-width: var(--container);
  margin: 0 auto;
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 3rem;
  padding: 4.5rem 2rem 2rem;
}

.plaque-rail{
  position: sticky;
  top: 6.5rem;
  align-self: start;
  display:flex;
  flex-direction:column;
  gap: .9rem;
}
.plaque{
  display:flex;
  align-items:center;
  gap: .8rem;
  padding: .7rem .6rem;
  border-left: 2px solid var(--paper-dim);
  transition: border-color .25s ease, background .25s ease;
}
.plaque span{
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--navy);
  width: 30px; text-align:center;
}
.plaque em{
  font-style:normal;
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
}
.plaque:hover,
.plaque.is-active{
  border-color: var(--brass);
  background: rgba(184,146,47,.08);
}
.plaque:hover em,
.plaque.is-active em{ color: var(--ink); }

.panels{ display:flex; flex-direction:column; }

.panel{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items:center;
  padding: 4rem 0;
  border-bottom: 1px solid var(--paper-dim);
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.panel.is-visible{ opacity:1; transform: translateY(0); }

.panel-monogram{
  font-family: var(--font-display);
  font-size: 6rem;
  line-height:1;
  color: var(--navy);
  text-align:center;
  border: 1px solid var(--paper-dim);
  background: #fff;
  aspect-ratio: 1;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius: 50%;
  box-shadow: 0 18px 40px -22px rgba(15,30,51,.35);
}
.panel-alt .panel-monogram{ color: var(--brass); }

.panel-eyebrow{
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: .8rem;
}
.panel-body h2{
  font-size: clamp(1.5rem, 2.4vw, 2.05rem);
  line-height:1.2;
  max-width: 20ch;
  margin-bottom: 1.2rem;
}
.panel-body p{
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 1.8rem;
}

/* alternate layout direction on wide screens */
.panel-alt{
  grid-template-columns: 1fr 220px;
}
.panel-alt .panel-monogram{ order: 2; }
.panel-alt .panel-body{ order: 1; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{
  background: var(--navy-deep);
  color: rgba(233,229,216,.7);
  margin-top: 3rem;
}
.footer-inner{
  max-width: var(--container);
  margin:0 auto;
  padding: 3.2rem 2rem;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand-footer .brand-name{ color: var(--ink-on-navy); }
.social-links{ display:flex; gap: 1.8rem; }
.social-links a{
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(233,229,216,.6);
  transition: color .2s ease;
}
.social-links a:hover{ color: var(--brass-light); }
.copyright{ font-size: .8rem; color: rgba(233,229,216,.45); }

/* =========================================================
   Back to top
   ========================================================= */
.to-top{
  position: fixed;
  right: 1.6rem;
  bottom: 1.6rem;
  width: 44px; height:44px;
  border-radius: 50%;
  border: 1px solid var(--brass);
  background: var(--navy-deep);
  color: var(--brass-light);
  font-size: 1.1rem;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
  z-index: 90;
}
.to-top.is-visible{ opacity:1; visibility:visible; transform:translateY(0); }
.to-top:hover{ background: var(--brass); color: var(--navy-deep); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px){
  .directory{ grid-template-columns: 1fr; padding-top: 3rem; }
  .plaque-rail{
    position: static;
    flex-direction: row;
    overflow-x: auto;
    gap: 0;
    border-bottom: 1px solid var(--paper-dim);
    margin-bottom: 1rem;
  }
  .plaque{ border-left:none; border-bottom: 2px solid transparent; flex-shrink:0; }
  .plaque.is-active,
  .plaque:hover{ border-bottom-color: var(--brass); }

  .panel,
  .panel-alt{
    grid-template-columns: 1fr;
    text-align:center;
    gap: 1.6rem;
    padding: 3rem 0;
  }
  .panel-alt .panel-monogram,
  .panel-alt .panel-body{ order: initial; }
  .panel-monogram{ width: 120px; height:120px; font-size: 3.2rem; margin: 0 auto; }
  .panel-body p{ margin-left:auto; margin-right:auto; }
}

@media (max-width: 760px){
  .main-nav{
    position: fixed;
    top: 68px; left:0; right:0;
    background: var(--navy-deep);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.2rem;
    transform: translateY(-130%);
    transition: transform .3s ease;
    border-bottom: 1px solid rgba(184,146,47,.25);
  }
  .main-nav.is-open{ transform: translateY(0); }
  .nav-toggle{ display:flex; }
}

@media (max-width: 480px){
  .header-inner{ padding: 1.1rem 1.25rem; }
  .hero{ padding: 5.5rem 1.25rem 4rem; }
  .directory{ padding-left: 1.25rem; padding-right: 1.25rem; }
  .footer-inner{ padding: 2.4rem 1.25rem; justify-content:center; text-align:center; }
}