/* ════════════════════════════════════════════
   TRESTLE AUTOMATION ADVISORS — SHARED STYLES
   ════════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --c:#1A1A1A;--c2:#111111;--c3:#0D0D0D;
  --cu:#C8763A;--cu2:#D9894E;--cu-dim:rgba(200,118,58,0.09);--cu-rule:rgba(200,118,58,0.22);
  --w:#fff;--w7:rgba(255,255,255,0.82);--w6:rgba(255,255,255,0.75);
  --w5:rgba(255,255,255,0.65);--w4:rgba(255,255,255,0.55);--w3:rgba(255,255,255,0.4);--w2:rgba(255,255,255,0.25);
  --card:#1E1E1E;--card2:#232323;--card3:#262626;
  --border:rgba(255,255,255,0.07);--border2:rgba(255,255,255,0.12);
  --green:#4CAF82;--red:#E05252;--blue:#5B9BD5;
}
html{scroll-behavior:smooth}
body{background:var(--c);color:var(--w);font-family:'DM Sans',sans-serif;font-weight:400;line-height:1.6;overflow-x:hidden}

/* NOISE TEXTURE */
body::before{content:'';position:fixed;inset:0;z-index:1;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.045'/%3E%3C/svg%3E");
  background-size:180px 180px;opacity:.4}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 56px;height:104px;background:rgba(17,17,17,.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:background .3s}
.nav-logo{display:flex;align-items:center;gap:16px;text-decoration:none}
.nav-logo svg{height:76px;width:auto}
.nav-tagline{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--border2);padding-left:16px}
.nav-tagline-main{font-family:'Cormorant Garamond',serif;font-size:16px;font-style:italic;color:var(--w6);line-height:1.25}
.nav-tagline-sub{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--cu)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;white-space:nowrap}
.nav-links a{color:var(--w4);text-decoration:none;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;font-weight:500;transition:color .25s;position:relative;white-space:nowrap}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--cu);transition:width .3s}
.nav-links a:hover{color:var(--cu)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--cu)}
.nav-links a.active::after{width:100%}
.nav-cta{border:1px solid var(--cu-rule) !important;color:var(--cu) !important;padding:10px 20px;border-radius:1px;transition:background .25s !important,color .25s !important;white-space:nowrap}
.nav-cta:hover{background:var(--cu) !important;color:var(--w) !important}
.nav-cta::after{display:none !important}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.nav-burger span{width:24px;height:2px;background:var(--w);display:block}

/* ── PAGE HEADER (non-home pages) ── */
.page-header{padding:180px 56px 80px;position:relative;overflow:hidden}
.page-header-photo{position:absolute;inset:0;z-index:0}
.page-header-photo img{width:100%;height:100%;object-fit:cover;filter:brightness(.62) saturate(.82)}
.page-header-photo::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#1A1A1A 0%,#1A1A1A 38%,rgba(26,26,26,.95) 52%,rgba(26,26,26,.78) 68%,rgba(26,26,26,.48) 84%,rgba(26,26,26,.28) 100%)}
.page-header-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#1A1A1A 0%,rgba(26,26,26,.2) 22%,rgba(26,26,26,.2) 78%,rgba(26,26,26,.6) 100%)}
.page-header-grid{position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:linear-gradient(rgba(200,118,58,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(200,118,58,.04) 1px,transparent 1px);
  background-size:80px 80px;mask-image:radial-gradient(ellipse 65% 70% at 80% 30%,black,transparent)}
.page-header-glow{position:absolute;right:-180px;top:-100px;width:600px;height:600px;pointer-events:none;z-index:1;background:radial-gradient(circle,rgba(200,118,58,.07) 0%,transparent 65%)}
.page-header-inner{max-width:1140px;margin:0 auto;position:relative;z-index:2}
.eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.eyebrow-line{width:36px;height:1px;background:var(--cu)}
.eyebrow span{font-family:'DM Mono',monospace;font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--cu)}
.page-header h1{font-family:'Cormorant Garamond',serif;font-size:clamp(38px,5.5vw,64px);font-weight:600;line-height:1.05;letter-spacing:-.5px;margin-bottom:24px;text-shadow:0 2px 24px rgba(0,0,0,.6)}
.page-header h1 em{font-style:italic;color:var(--cu);text-shadow:0 2px 20px rgba(0,0,0,.9),0 1px 4px rgba(0,0,0,1)}
.page-header-sub{font-size:18px;color:rgba(255,255,255,.95);max-width:620px;line-height:1.75;font-weight:400;text-shadow:0 2px 10px rgba(0,0,0,.85),0 1px 3px rgba(0,0,0,1)}

/* ── SECTIONS ── */
section{padding:96px 56px;position:relative}
.si{max-width:1140px;margin:0 auto}
.sey{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.sey-line{width:28px;height:1px;background:var(--cu);flex-shrink:0}
.sey span{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:3px;text-transform:uppercase;color:var(--cu)}
.st{font-family:'Cormorant Garamond',serif;font-size:clamp(30px,3.8vw,50px);font-weight:600;line-height:1.1;margin-bottom:20px}
.ss{font-size:17px;color:var(--w7);max-width:560px;line-height:1.75;font-weight:400}

/* ── BUTTONS ── */
.btn-p{display:inline-flex;align-items:center;gap:12px;background:var(--cu);color:var(--w);text-decoration:none;padding:17px 36px;font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:600;border-radius:1px;transition:background .25s,transform .2s,box-shadow .25s;border:none;cursor:pointer}
.btn-p:hover{background:var(--cu2);transform:translateY(-2px);box-shadow:0 12px 40px rgba(200,118,58,.3)}
.btn-s{display:inline-flex;align-items:center;gap:12px;border:1px solid var(--w2);color:var(--w4);text-decoration:none;padding:17px 36px;font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:500;border-radius:1px;transition:border-color .25s,color .25s;background:none;cursor:pointer}
.btn-s:hover{border-color:var(--cu-rule);color:var(--cu)}

/* ── EXPANDABLE CARDS (shared pattern) ── */
.x-card{background:var(--card);border:1px solid var(--border);border-radius:2px;overflow:hidden;cursor:pointer;transition:border-color .25s,background .25s}
.x-card:hover{border-color:var(--cu-rule);background:var(--card2)}
.x-card.open{border-color:var(--cu-rule);background:var(--card2)}
.x-card-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:28px 32px}
.x-card-head-left{display:flex;align-items:center;gap:20px;flex:1}
.x-card-icon{width:8px;height:8px;border-radius:50%;background:var(--cu);flex-shrink:0}
.x-card-title{font-family:'Cormorant Garamond',serif;font-size:22px;font-weight:600;color:var(--w)}
.x-card-toggle{width:28px;height:28px;border-radius:50%;border:1px solid var(--border2);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .3s,border-color .3s;position:relative}
.x-card.open .x-card-toggle{transform:rotate(45deg);border-color:var(--cu)}
.x-card-toggle span{position:relative;width:12px;height:1.5px;background:var(--w5);display:block}
.x-card-toggle span::after{content:'';position:absolute;top:-5px;left:5px;width:1.5px;height:12px;background:var(--w5)}
.x-card.open .x-card-toggle span,.x-card.open .x-card-toggle span::after{background:var(--cu)}
.x-card-body{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1)}
.x-card-body-inner{padding:0 32px 32px;border-top:1px solid var(--border)}
.x-card-body-inner-content{padding-top:24px;font-size:15px;color:var(--w7);line-height:1.8;font-weight:400}
.x-card-body-inner-content p{margin-bottom:14px}
.x-card-body-inner-content p:last-child{margin-bottom:0}
.x-card-body-inner-content strong{color:var(--w);font-weight:500}
.x-card-meta{display:inline-flex;align-items:center;gap:8px;font-family:'DM Mono',monospace;font-size:11px;color:var(--cu);margin-top:16px}
.x-card-meta::before{content:'';width:16px;height:1px;background:var(--cu)}

/* ── FOOTER ── */
footer{padding:48px 56px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;background:var(--c3)}
.fl svg{height:36px;width:auto}
.fm{display:flex;gap:32px;list-style:none;flex-wrap:wrap}
.fm a{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--w4);text-decoration:none;transition:color .2s}
.fm a:hover{color:var(--cu)}
.fr2{font-size:12px;color:rgba(255,255,255,.2)}

/* ── REVEAL ANIMATION ── */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

@keyframes fu{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
.fade-in-load{animation:fu .8s cubic-bezier(.4,0,.2,1) forwards;opacity:0}

/* ── RESPONSIVE ── */
@media(max-width:960px){
  nav{padding:0 24px;height:88px}
  .nav-logo svg{height:56px}
  .nav-tagline{display:none}
  .nav-links{position:fixed;top:84px;left:0;right:0;bottom:0;background:rgba(13,13,13,.98);flex-direction:column;justify-content:flex-start;align-items:flex-start;padding:40px 32px;gap:28px;transform:translateX(100%);transition:transform .3s;backdrop-filter:blur(20px)}
  .nav-links.open{transform:translateX(0)}
  .nav-burger{display:flex}
  section{padding:64px 24px}
  .page-header{padding:140px 24px 56px}
  .page-header-photo::before{background:linear-gradient(180deg,rgba(26,26,26,.5) 0%,rgba(26,26,26,.85) 60%,#1A1A1A 85%)}
  footer{flex-direction:column;align-items:flex-start;padding:36px 24px}
  .x-card-head{padding:22px 20px}
  .x-card-body-inner{padding:0 20px 24px}
}