/* WorkNest OS — Business Operations, Systemized. */
:root{
  /* WorkNest brand swatch (assets/brand/swatch.json) */
  --navy:#0D3349;--navy-deep:#08212F;--blue:#2A6FA8;--green:#4A8F5F;--gold:#E8A830;
  --sky:#EAF2F8;--cream:#FBF8F2;--sand:#F4EBDA;--ink:#1D2B36;--muted:#5B6B78;--line:#DCE4EA;
  --radius:18px;--shadow:0 10px 30px rgba(13,51,73,.10);--shadow-lg:0 24px 60px rgba(13,51,73,.18);
  --serif:'Playfair Display',Georgia,serif;--sans:'DM Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --max:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:96px 0}
h1,h2,h3{font-family:var(--serif);color:var(--navy);line-height:1.15}
h2{font-size:clamp(2rem,3.6vw,2.8rem);margin-bottom:14px}
h3{font-size:1.3rem;margin-bottom:8px}
.eyebrow{display:inline-block;font-weight:600;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin-bottom:12px}
.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.center{text-align:center}.center .lead{margin:0 auto}
.section-head{margin-bottom:48px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;text-decoration:none;border:2px solid transparent;transition:.2s;cursor:pointer;font-family:var(--sans);font-size:1rem}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:#f2b847;transform:translateY(-2px);box-shadow:0 8px 20px rgba(232,168,48,.35)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--blue)}
.btn-outline{border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}

/* Nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.25s}
.nav.scrolled{border-color:var(--line);box-shadow:0 4px 20px rgba(13,51,73,.06)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:700;font-size:1.2rem}
.brand img{width:42px;height:42px}
.brand span small{display:block;font-weight:500;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--blue)}
.nav-links .btn{padding:10px 20px;font-size:.92rem;color:var(--navy)}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--navy);margin:6px 8px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Hero */
.hero{background:#eef4fa;padding:104px 24px 64px;position:relative;overflow:hidden;border-bottom:2px solid #e8f2fb}
.hero::before{content:"";position:absolute;top:-80px;right:-80px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(232,168,48,.07) 0%,transparent 70%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-60px;left:-60px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(42,111,168,.07) 0%,transparent 70%);pointer-events:none}
.hero-inner{display:flex;align-items:center;justify-content:space-between;gap:1.75rem;max-width:960px;margin:0 auto;position:relative;z-index:1}
.logo-wrap{flex-shrink:0;position:relative}
.logo-img{width:320px;max-width:100%;height:auto;display:block;animation:logoChase 1.3s cubic-bezier(.22,.61,.36,1) 1s both}
.hero-text{text-align:left;flex:1;min-width:0}
.hero-brand{font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:.3rem;animation:flyInFromLeft .8s ease .2s both}
.hero-loc{font-size:.88rem;color:var(--blue);opacity:.8;letter-spacing:.02em;margin-bottom:.9rem;animation:flyInFromLeft .8s ease .35s both}
.hero-title{font-size:clamp(2rem,4.4vw,3.2rem);font-weight:700;color:var(--navy);line-height:1.15;margin-bottom:.85rem;animation:flyInFromLeft .8s ease .5s both}
.hero-title span{color:var(--gold)}
.hero-sub{font-size:1.12rem;color:var(--blue);max-width:520px;margin:0 0 1.75rem;line-height:1.65;animation:flyInFromLeft .8s ease .6s both}
.hero .hero-cta{color:#fff;padding:.85rem 2.2rem;animation:flyInFromLeft .8s ease .8s both}
.hero .hero-cta:hover{background:#d4941f;transform:translateY(-2px)}
@keyframes flyInFromLeft{0%{opacity:0;transform:translateX(-120px)}100%{opacity:1;transform:translateX(0)}}
@keyframes logoChase{0%{opacity:0;transform:translateX(160px) rotate(-6deg) scale(1.1)}60%{opacity:1;transform:translateX(-6px) rotate(2deg) scale(.97)}80%{transform:translateX(3px) rotate(-1deg) scale(1.01)}100%{opacity:1;transform:translateX(0) rotate(0) scale(1)}}
@media (prefers-reduced-motion:reduce){.logo-img,.hero-brand,.hero-loc,.hero-title,.hero-sub,.hero .hero-cta{animation:none}}

/* Problem */
.problem{background:var(--cream)}
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.pain-list{list-style:none;display:grid;gap:14px}
.pain-list li{background:#fff;border-radius:14px;padding:16px 18px 16px 52px;position:relative;box-shadow:0 2px 10px rgba(13,51,73,.05);color:var(--ink)}
/* Problem-list bullets: Option A twig (SVG mask, tinted per item via --dot) */
.pain-list li::before{content:"";position:absolute;left:16px;top:17px;width:24px;height:24px;background-color:var(--dot,var(--navy));-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-linecap='round'%3E%3Cpath d='M3.5 15.8Q11 11.2 20.5 8.6' stroke-width='2.3'/%3E%3Cpath d='M4.6 10.6Q12.5 11.2 19.6 15.2' stroke-width='2.3'/%3E%3Cpath d='M15.2 10.2L16.6 7.2' stroke-width='1.84'/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='%23000' stroke-linecap='round'%3E%3Cpath d='M3.5 15.8Q11 11.2 20.5 8.6' stroke-width='2.3'/%3E%3Cpath d='M4.6 10.6Q12.5 11.2 19.6 15.2' stroke-width='2.3'/%3E%3Cpath d='M15.2 10.2L16.6 7.2' stroke-width='1.84'/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat}
.pain-list li:nth-child(1){--dot:var(--navy)}
.pain-list li:nth-child(2){--dot:var(--blue)}
.pain-list li:nth-child(3){--dot:var(--green)}
.pain-list li:nth-child(4){--dot:var(--gold)}
.problem .turn{margin-top:22px;font-family:var(--serif);font-size:1.4rem;color:var(--navy)}

/* Pillars */
.pillars-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pillar{border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;background:#fff;transition:.25s;position:relative;overflow:hidden}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.pillar::after{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--c,var(--blue))}
.pillar .icon{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 14%,white);margin-bottom:18px}
.pillar .icon svg{width:28px;height:28px;stroke:var(--c);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pillar p{color:var(--muted);font-size:.97rem;margin-bottom:14px}
.pillar ul{list-style:none;font-size:.92rem;display:grid;gap:6px}
.pillar li{padding-left:20px;position:relative}
.pillar li::before{content:"✓";position:absolute;left:0;color:var(--c);font-weight:700}
.pillar.ai{background:linear-gradient(180deg,#FFF9EC,#fff)}
.badge-new{position:absolute;top:18px;right:18px;background:var(--gold);color:var(--navy);font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 10px;border-radius:999px}

/* AI band */
.ai-band{background:var(--navy);color:#fff;border-radius:28px;padding:48px;margin-top:56px;display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}
.ai-band h3{color:#fff;font-size:1.9rem}
.ai-band p{color:#CFE0EC}
.ai-steps{display:grid;gap:14px}
.ai-step{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:18px 20px}
.ai-step b{color:var(--gold);display:block;font-size:1.05rem;margin-bottom:4px}
.ai-step span{color:#DCE8F0;font-size:.95rem}
.ai-logos{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.ai-logos span{background:#fff;color:var(--navy);font-weight:600;font-size:.85rem;padding:6px 14px;border-radius:999px}

/* Pricing */
.pricing{background:var(--sky)}
.pricing.visits{background:#fff}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.tier{background:#fff;border-radius:22px;padding:34px 30px;box-shadow:var(--shadow);display:flex;flex-direction:column;border:2px solid transparent;position:relative}
.visits .tier{border-color:var(--line);box-shadow:none}
.tier.featured{border-color:var(--gold);transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.tier .ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gold);color:var(--navy);font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:6px 14px;border-radius:999px;white-space:nowrap}
.tier .name{font-weight:700;color:var(--green);text-transform:uppercase;letter-spacing:.12em;font-size:.82rem}
.tier h3{font-size:1.6rem;margin:6px 0 4px}
.tier .tag{color:var(--muted);font-size:.95rem;min-height:48px}
.price{margin:18px 0 6px;font-family:var(--serif);color:var(--navy);font-size:2.8rem;line-height:1}
.price small{font-family:var(--sans);font-size:.9rem;color:var(--muted);font-weight:500}
.price-note{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:18px}
.tier ul{list-style:none;display:grid;gap:10px;margin-bottom:26px;flex:1}
.tier li{padding-left:28px;position:relative;font-size:.97rem}
.tier li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--green);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='8'/%3E%3C/svg%3E")}
.tier li::after{content:"";position:absolute;left:5px;top:9px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.tier .btn{justify-content:center}
.fine{margin-top:28px;text-align:center;color:var(--muted);font-size:.93rem}
.fine strong{color:var(--navy)}

/* EOS */
.eos{background:var(--cream)}
.eos-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.eos-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.eos-card{background:#fff;border-radius:16px;padding:22px;border-left:4px solid var(--gold);box-shadow:0 2px 12px rgba(13,51,73,.05)}
.eos-card h4{font-family:var(--serif);color:var(--navy);font-size:1.12rem;margin-bottom:4px}
.eos-card p{font-size:.92rem;color:var(--muted)}
.eos small.tm{display:block;margin-top:18px;color:var(--muted);font-size:.78rem}

/* Portfolio */
.tabs{display:inline-flex;background:var(--sky);border-radius:999px;padding:6px;margin-bottom:36px;gap:4px}
.tab{border:0;background:none;padding:10px 22px;border-radius:999px;font-weight:600;font-family:var(--sans);font-size:.98rem;color:var(--navy);cursor:pointer}
.tab.active{background:var(--navy);color:#fff}
.panel{display:none}.panel.active{display:block}
.panel-intro{color:var(--muted);max-width:760px;margin:0 auto 30px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;text-align:left}
.shot{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;transition:.25s;display:flex;flex-direction:column;cursor:pointer}
.shot:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.shot .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--navy-deep)}
.shot .thumb img{width:100%;height:100%;object-fit:cover;object-position:top;transition:.4s}
.shot:hover .thumb img{transform:scale(1.04)}
.shot .meta{padding:16px 20px;display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.shot .meta-text{display:flex;flex-direction:column;gap:4px;min-width:0}
.shot .meta b{color:var(--navy)}
.shot .meta .cap{font-size:.88rem;color:var(--muted);line-height:1.35}
.shot .meta em{font-style:normal;font-size:.85rem;font-weight:600;color:var(--blue);white-space:nowrap;padding-top:2px}
.lightbox{position:fixed;inset:0;background:rgba(8,33,47,.92);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-height:86vh;border-radius:12px;box-shadow:var(--shadow-lg)}
.lightbox button{position:absolute;top:20px;right:24px;background:#fff;border:0;width:44px;height:44px;border-radius:50%;font-size:1.3rem;cursor:pointer;color:var(--navy)}
.lightbox p{position:absolute;bottom:22px;color:#fff;font-weight:600}

/* NEST method */
.method{background:var(--navy);color:#fff}
.method h2{color:#fff}.method .lead{color:#CFE0EC}.method .eyebrow{color:var(--gold)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.steps::before{content:"";position:absolute;top:44px;left:12%;right:12%;height:2px;background:repeating-linear-gradient(90deg,rgba(232,168,48,.6) 0 8px,transparent 8px 16px)}
.step{text-align:center;position:relative}
.step .letter{width:88px;height:88px;border-radius:50%;margin:0 auto 20px;display:grid;place-items:center;font-family:var(--serif);font-size:2.4rem;color:var(--navy);background:var(--gold);box-shadow:0 0 0 8px var(--navy),0 0 0 10px rgba(232,168,48,.35);position:relative}
.step:nth-child(2) .letter{background:#7FB6DE}
.step:nth-child(3) .letter{background:#8CC79D}
.step:nth-child(4) .letter{background:#fff}
.step h3{color:#fff}
.step p{color:#CFE0EC;font-size:.96rem}

/* About */
.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.portrait{position:relative}
.portrait img{border-radius:24px;box-shadow:var(--shadow-lg);width:100%;aspect-ratio:4/5;object-fit:cover}
.portrait .loc{position:absolute;bottom:-18px;left:24px;right:24px;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:14px 18px;font-size:.92rem;color:var(--navy);font-weight:600;text-align:center}
.about p{margin-bottom:16px;color:#33434f}
.about blockquote{border-left:4px solid var(--gold);padding:6px 0 6px 20px;font-family:var(--serif);font-size:1.3rem;color:var(--navy);margin:24px 0}
.wingspan{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.wing{background:var(--sky);border-radius:18px;padding:24px}
.wing h4{font-family:var(--serif);color:var(--navy);font-size:1.15rem;margin-bottom:12px}
.wing ul{list-style:none;display:grid;gap:8px;font-size:.95rem}
.wing li{display:flex;gap:10px;align-items:flex-start}
.wing li::before{content:"";flex:0 0 8px;height:8px;margin-top:8px;border-radius:50%;background:var(--green)}
.wing a{color:var(--navy);font-weight:600;text-decoration:none;border-bottom:1px dashed var(--blue)}
.wing a:hover{color:var(--blue)}
.stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:28px}
.stat b{display:block;font-family:var(--serif);color:var(--blue);font-size:2.2rem;line-height:1}
.stat span{font-size:.88rem;color:var(--muted)}

/* FAQ */
.faq{background:var(--cream)}
.faq-list{max-width:820px;margin:0 auto}
.faq details{background:#fff;border-radius:16px;margin-bottom:12px;box-shadow:0 2px 10px rgba(13,51,73,.05);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-weight:600;color:var(--navy);position:relative;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--gold);transition:.2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 24px 22px;color:#3d4c58}

/* CTA / contact */
.cta{background:radial-gradient(900px 500px at 100% 0,rgba(42,111,168,.6),transparent 60%),var(--navy);color:#fff}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta h2{color:#fff}.cta .lead{color:#CFE0EC}.cta .eyebrow{color:var(--gold)}
.contact-lines{margin-top:28px;display:grid;gap:12px}
.contact-lines a{color:#fff;text-decoration:none;display:flex;gap:12px;align-items:center;font-weight:500}
.contact-lines a:hover{color:var(--gold)}
.contact-lines svg{width:20px;height:20px;stroke:var(--gold);fill:none;stroke-width:2}
.form-card{background:#fff;border-radius:24px;padding:34px;color:var(--ink);box-shadow:var(--shadow-lg)}
.form-card h3{margin-bottom:4px}
.form-card .sub{color:var(--muted);font-size:.95rem;margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.88rem;color:var(--navy);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;font:inherit;font-size:.97rem;background:#FCFDFE}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(42,111,168,.15)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-card .btn{width:100%;justify-content:center;margin-top:6px}
.hp{display:none}
.form-ok{display:none;text-align:center;padding:30px 0}
.form-ok.show{display:block}

/* Footer */
footer{background:var(--navy-deep);color:#AFC3D1;padding:44px 0;font-size:.92rem}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
footer a{color:#DCE8F0;text-decoration:none}
footer a:hover{color:var(--gold)}
footer .brand{color:#fff}
footer .brand img{background:#fff;border-radius:10px;padding:3px}
footer .links{display:flex;gap:18px;flex-wrap:wrap}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* Responsive */
@media (max-width:1020px){
  .pillars-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;row-gap:40px}.steps::before{display:none}
}
@media (max-width:900px){
  section{padding:72px 0}
  .nav-toggle{display:block}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex}
  .nav-links li a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-links li:last-child a{border:0;margin-top:12px;justify-content:center}
  .hero{padding:96px 20px 56px}
  .problem-grid,.eos-grid,.about-grid,.cta-grid,.ai-band{grid-template-columns:1fr}
  .logo-img{width:260px}
  .tiers{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .tier.featured{transform:none}
  .ai-band{padding:32px}
  .portrait{max-width:380px;margin:0 auto 30px}
}
@media (max-width:600px){
  body{font-size:16px}
  .pillars-grid,.eos-cards,.wingspan,.row2,.steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .hero-inner{flex-direction:column;align-items:center;text-align:center;gap:1rem}
  .hero .logo-wrap{order:-1}
  .hero-text{text-align:center}
  .hero-sub{margin:0 auto 1.75rem}
  .logo-img{width:200px}
  .tabs{display:flex;flex-direction:column;border-radius:18px}
}
.gallery.g2{grid-template-columns:repeat(2,1fr)}
@media (max-width:700px){.gallery.g2{grid-template-columns:1fr}}

/* ── FLIP CARDS (restored from original worknestos.com) ── */
:root{--light-navy:#e7edf1;--light-blue:#e8f2fb;--light-green:#eaf4ee;--light-gold:#fef6e4}
.modular-tag{text-align:center;font-size:.85rem;color:var(--blue);letter-spacing:.06em;margin:-8px 0 32px}
.modular-tag strong{color:var(--navy)}
.cards-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1080px;margin:0 auto}
.flip-card{height:360px;perspective:1100px;cursor:pointer;outline:none}
.flip-card:focus-visible .flip-front,.flip-card:focus-visible .flip-back{box-shadow:0 0 0 3px var(--gold)}
.flip-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .65s cubic-bezier(.4,.2,.2,1)}
@media (hover:hover){.flip-card:hover .flip-inner{transform:rotateY(180deg)}}
.flip-card.flipped .flip-inner{transform:rotateY(180deg)}
.flip-front,.flip-back{position:absolute;inset:0;border-radius:18px;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1.75rem}
.flip-front{background:#fff;border:1.5px solid #dde8f0;box-shadow:0 2px 20px rgba(13,51,73,.07);text-align:center;gap:.75rem}
.card-icon-ring{width:66px;height:66px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.75rem;margin-bottom:.25rem;flex-shrink:0}
.ring-green{background:var(--light-green);border:2px solid var(--green)}.ring-blue{background:var(--light-blue);border:2px solid var(--blue)}.ring-gold{background:var(--light-gold);border:2px solid var(--gold)}
.card-name{font-family:var(--serif);font-size:1.3rem;color:var(--navy);font-weight:700}
.card-desc{font-size:.9rem;color:var(--blue);line-height:1.55}
.flip-hint{font-size:.74rem;color:#b0c4d2;letter-spacing:.04em;margin-top:.5rem;animation:hintPulse 2.5s ease-in-out infinite}
@keyframes hintPulse{0%,100%{opacity:.5}50%{opacity:1}}
.flip-back{transform:rotateY(180deg);text-align:center;padding:1.6rem 1.75rem}
.back-green{background:var(--navy);border:1.5px solid var(--green)}
.back-blue{background:#2c1f06;border:1.5px solid #8b6914}
.back-gold{background:#2e4327;border:1.5px solid #758662}
.back-label{font-family:var(--serif);font-size:1.05rem;color:#fff;margin-bottom:.8rem;padding-bottom:.6rem;border-bottom:1px solid rgba(255,255,255,.18);width:100%;text-align:center}
.svc-list{list-style:none;width:100%;margin:0;padding:0}
.svc-list li{display:flex;align-items:flex-start;gap:.5rem;padding:.55rem 0;border-bottom:1px solid rgba(255,255,255,.09);font-size:.9rem;color:rgba(255,255,255,.9);line-height:1.4;text-align:left}
.svc-list li:last-child{border-bottom:none}
.bird-bullet{height:14px;width:auto;flex-shrink:0;margin-top:.2rem}
@media (prefers-reduced-motion:reduce){.flip-inner{transition:none}.flip-hint{animation:none}}
@media (max-width:860px){.cards-row{grid-template-columns:1fr;max-width:420px}.flip-card{height:340px}}

/* ===== Inside the nest: 3 static doors (Database · AI · EOS) — not flip cards ===== */
.inside{background:linear-gradient(180deg,var(--sky) 0%,#fff 100%)}
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.door{background:#fff;border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow);border-top:6px solid var(--navy);display:flex;flex-direction:column;gap:12px}
.door-db{border-top-color:var(--green)}
.door-ai{background:var(--navy);color:#fff;border-top-color:var(--gold)}
.door-eos{border-top-color:var(--blue)}
.door-icon{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem;background:var(--light-green);border:2px solid var(--green)}
.door-ai .door-icon{background:rgba(232,168,48,.15);border-color:var(--gold)}
.door-eos .door-icon{background:var(--light-blue);border-color:var(--blue)}
.door-tag{font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--green)}
.door-ai .door-tag{color:var(--gold)}.door-eos .door-tag{color:var(--blue)}
.door h3{font-size:1.45rem;margin:0}
.door-ai h3{color:#fff}
.door p{color:var(--muted);font-size:.97rem}
.door-ai p{color:#CFE0EC}
.door ul{list-style:none;display:grid;gap:10px;margin-top:4px}
.door li{position:relative;padding-left:22px;font-size:.93rem;color:var(--ink)}
.door li::before{content:"";position:absolute;left:0;top:.5em;width:10px;height:10px;border-radius:50%;background:var(--green)}
.door-ai li{color:#DCE8F0}.door-ai li::before{background:var(--gold)}
.door-eos li::before{background:var(--blue)}
.door li b{color:var(--navy)}.door-ai li b{color:var(--gold)}
.door .ai-logos{margin-top:auto;padding-top:8px}
.inside small.tm{display:block;margin:28px auto 0;max-width:720px;color:var(--muted);font-size:.78rem}
@media (max-width:960px){.doors{grid-template-columns:1fr;max-width:560px;margin:0 auto}}