/* ============================================================
   ARCHSTONE LEGAL — DESIGN TOKENS
   ============================================================ */
:root{
  --primary-900:#2C5C4D;
  --primary-800:#254D40;
  --primary-700:#1E4036;
  --primary-line: rgba(255,255,255,0.16);

  --ink:#221F1B;
  --ink-soft:#5A564D;
  --paper:#FFFFFF;
  --card-bg:#FBFAF7;
  --line:#E4E0D4;

  --bronze:#B08D4F;
  --bronze-deep:#7A5A22;
  --bronze-soft:#D9BE87;
  --bronze-on-dark:#E8D3A6;

  --ff-display:'Fraunces', Georgia, serif;
  --ff-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ff-mono:'IBM Plex Mono', 'Courier New', monospace;

  --fs-h1: clamp(2.35rem, 4.4vw + 1rem, 4.1rem);
  --fs-h2: clamp(1.7rem, 2.4vw + 1rem, 2.6rem);
  --fs-h3: clamp(1.15rem, 1vw + 0.9rem, 1.4rem);
  --fs-eyebrow: 0.74rem;

  --maxw: 1180px;
  --radius: 3px;
  --dur: 0.5s;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--ff-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family: var(--ff-display); font-weight:500; line-height:1.15; margin:0; color: var(--primary-900); }
p{ margin:0; }
:focus-visible{ outline: 2px solid var(--bronze-deep); outline-offset: 3px; }

.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(22px, 5vw, 56px); }
.eyebrow{
  font-family: var(--ff-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze-deep);
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:22px; height:1px; background: var(--bronze); display:inline-block; }
.eyebrow.on-dark{ color: var(--bronze-on-dark); }
.eyebrow.on-dark::before{ background: var(--bronze-on-dark); }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--ff-body); font-weight:600; font-size:0.95rem;
  padding: 14px 26px;
  border-radius: var(--radius);
  border:1px solid transparent;
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease, transform 0.2s ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--bronze); color: var(--primary-900); }
.btn-primary:hover{ background: var(--bronze-soft); transform: translateY(-1px); }
.btn-outline-dark{ border-color: var(--primary-900); color: var(--primary-900); }
.btn-outline-dark:hover{ background: var(--primary-900); color: var(--paper); }
.btn-outline-paper{ border-color: rgba(255,255,255,0.5); color: var(--paper); }
.btn-outline-paper:hover{ border-color: var(--paper); background: rgba(255,255,255,0.08); }
.btn-text{ font-weight:600; color: var(--bronze-deep); border-bottom: 1px solid var(--bronze); padding: 2px 0; border-radius:0; }
.btn-text:hover{ color: var(--primary-900); border-color: var(--primary-900); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  background: transparent;
  transition: background var(--dur) ease, box-shadow var(--dur) ease, border-color var(--dur) ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  background: rgba(30,64,54,0.94);
  backdrop-filter: blur(6px);
  border-bottom-color: var(--primary-line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:78px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{ width:30px; height:26px; flex-shrink:0; }
.brand-word{ font-family: var(--ff-mono); font-weight:600; font-size:0.82rem; letter-spacing:0.11em; color:var(--paper); text-transform:uppercase; line-height:1.3; }
.brand-word span{ display:block; color: var(--bronze-on-dark); font-size:0.72rem; letter-spacing:0.18em; }

.nav-primary{ display:flex; align-items:center; gap:36px; }
.nav-links{ display:flex; align-items:center; gap:30px; }
.nav-link{
  font-size:0.88rem; font-weight:500; color: rgba(255,255,255,0.78);
  position:relative; padding: 6px 0;
  transition: color var(--dur) ease;
}
.nav-link::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background: var(--bronze); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) ease;
}
.nav-link:hover, .nav-link.active{ color: var(--paper); }
.nav-link.active::after, .nav-link:hover::after{ transform: scaleX(1); }
.nav-cta{ display:inline-flex; }

.nav-toggle{
  display:none; background:none; border:1px solid var(--primary-line); border-radius: var(--radius);
  width:44px; height:40px; align-items:center; justify-content:center; gap:4px; flex-direction:column;
}
.nav-toggle span{ width:20px; height:1.5px; background: var(--paper); transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-5.5px) rotate(-45deg); }

.mobile-panel{
  position: fixed; inset:0; z-index: 480;
  background: var(--primary-900);
  display:flex; flex-direction:column; justify-content:center; align-items:flex-start;
  gap:28px; padding: 32px clamp(24px,7vw,64px);
  transform: translateY(-8px); opacity:0; visibility:hidden; pointer-events:none;
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
}
.mobile-panel.open{ opacity:1; visibility:visible; pointer-events:auto; transform: translateY(0); }
.mobile-panel .nav-link{ font-family: var(--ff-display); font-size:2rem; font-weight:500; color: var(--paper); }
.mobile-panel .nav-link.active{ color: var(--bronze-soft); }
.mobile-panel .btn{ margin-top:12px; }

/* ============================================================
   PAGE / SECTION VISIBILITY (progressive enhancement)
   ============================================================ */
section[data-page]{ display:block; }
html.js-enabled section[data-page]{ display:none; }
html.js-enabled section[data-page].active{ display:block; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; overflow:hidden;
  background: var(--primary-900);
  padding: 168px 0 96px;
  color: var(--paper);
}
.hero-grid{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items:center; position:relative; z-index:2; }
.hero h1{ color: var(--paper); font-size: var(--fs-h1); margin: 20px 0 26px; max-width: 15ch; }
.hero .lede{ font-size:1.1rem; color: rgba(255,255,255,0.76); max-width:46ch; margin-bottom:36px; }
.hero-actions{ display:flex; gap:18px; flex-wrap:wrap; align-items:center; }
.hero-art{ position:relative; height: 420px; }
.hero-art svg{ width:100%; height:100%; }

/* ============================================================
   SECTIONS — shared rhythm
   ============================================================ */
.section{ padding: 96px 0; }
.section-alt{ background: var(--card-bg); }
.section-dark{ background: var(--primary-900); color: var(--paper); }
.section-dark h2{ color: var(--paper); }
.section-head{ max-width: 640px; margin-bottom: clamp(32px, 5vw, 52px); }
.section-head h2{ margin-top:16px; }
.section-head .lede{ margin-top:16px; color: var(--ink-soft); font-size:1.05rem; }
.section-dark .section-head .lede{ color: rgba(255,255,255,0.72); }

/* Intro strip */
.intro-cols{ display:grid; grid-template-columns: 1.2fr 1fr; gap:64px; align-items:start; }
.intro-cols h2{ font-size: var(--fs-h2); }
.intro-cols .lede{ margin-top:18px; color: var(--ink-soft); font-size:1.05rem; }
.keystone-note{ background: var(--card-bg); border:1px solid var(--line); border-radius: var(--radius); padding:28px; }
.keystone-note p{ font-size:0.95rem; color: var(--ink-soft); }
.keystone-note .eyebrow{ margin-bottom:14px; }

/* Practice cards */
.card-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:1px; background: var(--line); border:1px solid var(--line); }
.p-card{ background: var(--paper); padding: 32px 28px; transition: background var(--dur) ease; position:relative; }
.p-card:hover{ background: var(--card-bg); }
.p-card::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:2px; background: var(--bronze); transform: scaleY(0); transform-origin: top; transition: transform var(--dur) ease; }
.p-card:hover::before{ transform: scaleY(1); }
.p-card .tag{ font-family: var(--ff-mono); font-size:0.68rem; letter-spacing:0.1em; color: var(--bronze-deep); text-transform:uppercase; }
.p-card h3{ margin: 14px 0 10px; font-size:1.18rem; }
.p-card p{ color: var(--ink-soft); font-size:0.92rem; }
.card-grid-foot{ margin-top:40px; text-align:center; }

/* How we work */
.process-list{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.process-item{ border-top: 1px solid var(--line); padding-top:22px; }
.section-dark .process-item{ border-top-color: var(--primary-line); }
.process-num{ font-family: var(--ff-mono); font-size:0.85rem; color: var(--bronze); letter-spacing:0.05em; }
.process-item h3{ margin: 12px 0 10px; font-size:1.08rem; }
.section-dark .process-item h3{ color: var(--paper); }
.process-item p{ font-size:0.92rem; color: var(--ink-soft); }
.section-dark .process-item p{ color: rgba(255,255,255,0.68); }

/* Credibility */
.cred-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:1px; background: var(--line); border:1px solid var(--line); margin-top:8px; }
.cred-item{ background: var(--paper); padding:30px 26px; }
.cred-item h3{ font-size:1rem; margin-bottom:10px; display:flex; align-items:center; gap:10px; }
.cred-item h3::before{ content:""; width:7px; height:7px; background:var(--bronze); border-radius:50%; flex-shrink:0; }
.cred-item p{ font-size:0.9rem; color: var(--ink-soft); }

/* CTA banner */
.cta-banner{ background: var(--primary-900); color: var(--paper); padding: 84px 0; text-align:center; position:relative; overflow:hidden; }
.cta-banner .wrap{ position:relative; z-index:2; }
.cta-banner h2{ color:var(--paper); max-width: 20ch; margin: 18px auto 30px; }
.cta-banner-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.cta-arch-bg{ position:absolute; inset:0; opacity:0.5; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.page-intro{ background: var(--primary-900); color: var(--paper); padding: 158px 0 80px; }
.page-intro h1{ color: var(--paper); margin-top:18px; font-size: var(--fs-h1); max-width: 18ch; }
.page-intro .lede{ margin-top:20px; max-width:56ch; color: rgba(255,255,255,0.74); font-size:1.05rem; }

.about-grid{ display:grid; grid-template-columns: 260px 1fr; gap:56px; align-items:start; }
.monogram{
  width: 100%; aspect-ratio: 1; background: var(--primary-900);
  display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden;
  border-radius: var(--radius);
}
.monogram span{ font-family: var(--ff-display); font-style:italic; font-weight:500; font-size:3.4rem; color: var(--bronze-soft); position:relative; z-index:2; }
.monogram svg{ position:absolute; inset:0; opacity:0.18; }
.about-name{ margin-top:18px; font-size:1.05rem; color: var(--primary-900); font-weight:600; font-family: var(--ff-body); }
.about-role{ font-family: var(--ff-mono); font-size:0.75rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--bronze-deep); margin-top:4px; }
.about-body h2{ font-size: var(--fs-h2); margin-bottom:18px; }
.about-body p{ color: var(--ink-soft); margin-bottom:18px; font-size:1rem; }
.about-body p:last-child{ margin-bottom:0; }
.pull-line{ font-family: var(--ff-display); font-style:italic; font-size:1.3rem; color: var(--primary-900); border-left:2px solid var(--bronze); padding-left:22px; margin: 30px 0; max-width: 46ch; }

.values-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:32px; margin-top:8px; }
.value-item{ padding-top:20px; border-top:1px solid var(--line); }
.value-item h3{ font-size:1rem; margin-bottom:8px; }
.value-item p{ font-size:0.88rem; color: var(--ink-soft); }

/* ============================================================
   PRACTICE AREAS PAGE
   ============================================================ */
.practice-group{ margin-bottom:56px; }
.practice-group:last-child{ margin-bottom:0; }
.practice-group-head{ display:flex; align-items:baseline; gap:16px; margin-bottom:26px; border-bottom:1px solid var(--line); padding-bottom:16px; }
.practice-group-head h2{ font-size:1.4rem; }
.practice-group-head .eyebrow{ margin:0; }
.practice-full-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border:1px solid var(--line); }
.pf-card{ background:var(--paper); padding:30px; }
.pf-card .tag{ font-family: var(--ff-mono); font-size:0.68rem; letter-spacing:0.1em; color: var(--bronze-deep); text-transform:uppercase; }
.pf-card h3{ margin:12px 0 10px; font-size:1.15rem; }
.pf-card p{ color: var(--ink-soft); font-size:0.93rem; }

/* ============================================================
   APPROACH PAGE
   ============================================================ */
.approach-philosophy{ display:grid; grid-template-columns: 1fr 1fr; gap:60px; align-items:start; }
.approach-philosophy .lede{ font-size:1.15rem; color: var(--primary-900); font-family: var(--ff-display); font-weight:500; line-height:1.5; }
.approach-philosophy .support{ color: var(--ink-soft); margin-top:20px; }

.who-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:1px; background: var(--line); border:1px solid var(--line); }
.who-card{ background: var(--paper); padding:28px; }
.who-card h3{ font-size:1.02rem; margin-bottom:8px; }
.who-card p{ font-size:0.9rem; color: var(--ink-soft); }

.working-style-list{ display:flex; flex-direction:column; gap:0; }
.ws-row{ display:grid; grid-template-columns: 220px 1fr; gap:32px; padding:26px 0; border-top:1px solid var(--line); }
.ws-row:last-child{ border-bottom:1px solid var(--line); }
.ws-row h3{ font-size:1rem; }
.ws-row p{ color: var(--ink-soft); font-size:0.95rem; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items:start; }
.contact-block{ margin-bottom:34px; }
.contact-block:last-child{ margin-bottom:0; }
.contact-block h3{ font-size:0.98rem; margin-bottom:10px; }
.contact-block p, .contact-block a{ color: var(--ink-soft); font-size:0.95rem; }
.contact-block a.link-bronze{ color: var(--bronze-deep); font-weight:600; }
.confidentiality-note{ background: var(--card-bg); border:1px solid var(--line); border-radius: var(--radius); padding:22px 24px; font-size:0.88rem; color: var(--ink-soft); }

.form-card{ background: var(--card-bg); border:1px solid var(--line); border-radius: var(--radius); padding: clamp(24px,4vw,44px); }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; margin-bottom:18px; }
.form-field{ display:flex; flex-direction:column; gap:8px; margin-bottom:18px; }
.form-field label{ font-size:0.82rem; font-weight:600; color: var(--primary-900); }
.form-field .req{ color: var(--bronze-deep); font-weight:400; }
.form-field input, .form-field select, .form-field textarea{
  font-family: var(--ff-body); font-size:0.95rem; padding:12px 14px;
  border:1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink);
  transition: border-color var(--dur) ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{ border-color: var(--bronze); outline:none; }
.form-field textarea{ resize: vertical; min-height:120px; }
.form-note{ font-size:0.8rem; color: var(--ink-soft); margin-top:16px; }
.form-success{ display:none; background: var(--primary-900); color: var(--paper); padding:22px 24px; border-radius: var(--radius); }
.form-success.show{ display:block; }
.form-success h3{ color: var(--paper); font-size:1.05rem; margin-bottom:8px; }
.form-success p{ color: rgba(255,255,255,0.76); font-size:0.9rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ background: var(--primary-900); color: rgba(255,255,255,0.7); padding: 64px 0 28px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:44px; border-bottom:1px solid var(--primary-line); }
.footer-brand .brand{ margin-bottom:16px; }
.footer-brand p{ font-size:0.88rem; max-width:34ch; color: rgba(255,255,255,0.58); }
.footer-col h4{ font-family: var(--ff-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color: var(--bronze-on-dark); margin-bottom:16px; }
.footer-col ul{ display:flex; flex-direction:column; gap:10px; }
.footer-col a{ font-size:0.88rem; color: rgba(255,255,255,0.68); transition: color var(--dur) ease; }
.footer-col a:hover{ color: var(--paper); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:flex-start; gap:20px; padding-top:26px; flex-wrap:wrap; }
.footer-bottom p{ font-size:0.76rem; color: rgba(255,255,255,0.42); max-width:60ch; line-height:1.6; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{ opacity:1; transform:none; }
html.js-enabled .reveal{ opacity:0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s ease; }
html.js-enabled .reveal.in{ opacity:1; transform:none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px){
  .header-inner{ height:68px; }
  .nav-primary{ display:none; }
  .nav-toggle{ display:flex; width:46px; height:44px; }
  .hero-grid{ grid-template-columns:1fr; gap:36px; }
  .hero-art{ height:220px; order:-1; opacity:0.85; }
  .hero-annotation{ display:none; }
  .hero{ padding-top:126px; padding-bottom:72px; }
  .intro-cols{ grid-template-columns:1fr; gap:36px; }
  .card-grid{ grid-template-columns: repeat(2,1fr); }
  .process-list{ grid-template-columns: repeat(2,1fr); }
  .cred-grid{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns:1fr; gap:32px; }
  .monogram{ max-width:180px; margin:0 auto; }
  .about-grid > div:first-child{ text-align:center; }
  .values-grid{ grid-template-columns: repeat(2,1fr); }
  .practice-full-grid{ grid-template-columns:1fr; }
  .practice-group-head{ flex-direction:column; align-items:flex-start; gap:8px; }
  .approach-philosophy{ grid-template-columns:1fr; gap:30px; }
  .who-grid{ grid-template-columns:1fr; }
  .ws-row{ grid-template-columns:1fr; gap:8px; padding:22px 0; }
  .contact-grid{ grid-template-columns:1fr; gap:44px; }
  .form-row{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns: 1fr 1fr; gap:32px 24px; }
  .page-intro{ padding: 128px 0 60px; }
}
@media (max-width: 560px){
  .section{ padding: 60px 0; }
  .card-grid{ grid-template-columns: 1fr; }
  .process-list{ grid-template-columns: 1fr; }
  .values-grid{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; gap:30px; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .hero-actions .btn{ justify-content:center; }
  .cta-banner{ padding:64px 0; }
  .cta-banner-actions{ flex-direction:column; align-items:stretch; }
  .cta-banner-actions .btn{ justify-content:center; }
  .mobile-panel .nav-link{ font-size: clamp(1.5rem, 8vw, 2rem); }
  .p-card, .pf-card, .who-card, .cred-item{ padding:26px 22px; }
}