/* =====================================================================
   AAC ENERGY CONSULTANTS — shared stylesheet (aac.css)
   Used by about.html, services.html, projects.html, contact.html
   Palette: LOGO COLORS ONLY
     Green #A6C72E · Yellow #F5D60A · Charcoal #181818 · White #FFF
   ===================================================================== */
:root{
  --green:#A6C72E; --green-deep:#8BAD20; --green-tint:#F2F6E0;
  --yellow:#F5D60A; --yellow-deep:#E0C400;
  --ink:#181818; --ink-2:#202020; --ink-3:#2C2C2C;
  --ink-700:#2E2E2E; --ink-500:#5A5A5A; --ink-300:#8C8C8C;
  --line:#E8E8E2; --white:#FFF; --off:#F7F7F2;
  --maxw:1240px;
  --ff-head:'Space Grotesk',system-ui,'Segoe UI',sans-serif;
  --ff-body:'Inter',system-ui,'Segoe UI',sans-serif;
  --shadow:0 24px 60px -28px rgba(24,24,24,.35);
  --shadow-sm:0 12px 30px -18px rgba(24,24,24,.4);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--ff-body);color:var(--ink);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--ff-head);font-weight:700;line-height:1.12;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sec{padding:96px 0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:.76rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--green-deep);margin-bottom:18px}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--yellow)}
.eyebrow.light{color:var(--green)}
.head{max-width:680px;margin-bottom:54px}
.head h2{font-size:clamp(2rem,4vw,3rem)}
.head p{color:var(--ink-500);font-size:1.06rem;margin-top:16px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.head.center .eyebrow{justify-content:center}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-body);font-weight:700;
  font-size:.94rem;padding:15px 30px;border-radius:6px;cursor:pointer;border:2px solid transparent;
  transition:.2s ease;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn--green{background:var(--green);color:var(--ink)}
.btn--green:hover{background:var(--green-deep);transform:translateY(-2px)}
.btn--yellow{background:var(--yellow);color:var(--ink)}
.btn--yellow:hover{background:var(--yellow-deep);transform:translateY(-2px)}
.btn--dark{background:var(--ink);color:var(--white)}
.btn--dark:hover{background:#000;transform:translateY(-2px)}
.btn--out-light{background:transparent;color:var(--white);border-color:rgba(255,255,255,.35)}
.btn--out-light:hover{background:var(--white);color:var(--ink)}
.arrow{display:inline-flex;align-items:center;gap:9px;font-weight:700;color:var(--green-deep)}
.arrow svg{width:16px;height:16px;transition:.2s}
.arrow:hover svg{transform:translateX(4px)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============ HEADER ============ */
.hdr{position:fixed;top:0;left:0;right:0;z-index:80;transition:.3s ease;padding:16px 0}
.hdr.solid{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line);padding:10px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:40px;background:#fff;padding:5px 7px;border-radius:8px}
.brand b{font-family:var(--ff-head);font-size:1rem;color:var(--white);transition:.3s;white-space:nowrap}
.hdr.solid .brand b{color:var(--ink)}
.nav-links{display:flex;gap:30px;list-style:none;margin:0 auto}
.nav-links a{font-weight:500;font-size:.94rem;color:rgba(255,255,255,.88);position:relative;padding:6px 0;white-space:nowrap;transition:.2s}
.hdr.solid .nav-links a{color:var(--ink-700)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--green);transition:.2s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:#fff}
.hdr.solid .nav-links a.active{color:var(--ink)}
.nav-r{display:flex;align-items:center;gap:14px;flex-shrink:0}
.ntog{display:none;background:none;border:0;cursor:pointer;padding:8px}
.ntog span{display:block;width:26px;height:2.5px;background:var(--white);border-radius:3px;transition:.25s}
.hdr.solid .ntog span{background:var(--ink)}
.ntog span+span{margin-top:6px}

/* ============ INNER PAGE HERO ============ */
.page-hero{position:relative;background:var(--ink);color:#fff;padding:160px 0 78px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 15% 20%,rgba(166,199,46,.20),transparent 42%),
  radial-gradient(circle at 85% 80%,rgba(245,214,10,.14),transparent 44%),
  linear-gradient(180deg,#141414,#1d1d1d)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(2.1rem,5vw,3.4rem)}
.page-hero p{color:rgba(255,255,255,.78);max-width:640px;margin-top:14px;font-size:1.1rem}
.crumb{display:flex;gap:8px;align-items:center;font-size:.85rem;color:rgba(255,255,255,.55);margin-bottom:18px}
.crumb a:hover{color:var(--green)}
.crumb .cur{color:var(--green)}
.page-hero .ph-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}

/* ============ ABOUT ============ */
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.about-visual{position:relative}
.about-panel{border-radius:16px;background:var(--ink);min-height:440px;position:relative;overflow:hidden;
  background-image:radial-gradient(circle at 70% 20%,rgba(166,199,46,.25),transparent 45%),radial-gradient(circle at 20% 90%,rgba(245,214,10,.18),transparent 45%)}
.about-panel .mark{position:absolute;top:34px;left:34px;display:flex;gap:8px;align-items:center;z-index:2}
.about-panel .mark i{width:26px;height:26px;border-radius:6px}
.about-panel .mark .g{background:var(--green)}.about-panel .mark .y{background:var(--yellow)}
.about-panel .mark b{color:#fff;font-family:var(--ff-head);font-size:1.3rem;margin-left:4px}
.about-panel .quote{position:absolute;bottom:34px;left:34px;right:34px;color:rgba(255,255,255,.92);font-family:var(--ff-head);font-size:1.4rem;line-height:1.4;z-index:2}
.about-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about-ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(24,24,24,.40),rgba(24,24,24,.80))}
.exp-badge{position:absolute;right:-22px;bottom:-22px;width:148px;height:148px;border-radius:50%;background:var(--yellow);
  display:grid;place-content:center;text-align:center;box-shadow:var(--shadow);z-index:3}
.exp-badge b{font-family:var(--ff-head);font-size:2.6rem;color:var(--ink);line-height:1}
.exp-badge span{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-700)}
.about-list{list-style:none;margin:24px 0 30px;display:grid;gap:14px}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.about-list svg{width:22px;height:22px;color:var(--green-deep);flex-shrink:0;margin-top:2px}
.prose p{color:var(--ink-500);margin-bottom:16px}
.prose p:last-child{margin-bottom:0}

/* ============ CREDENTIALS TABLE / PROFILE ============ */
.profile-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.profile-card{background:var(--ink);border-radius:16px;overflow:hidden;position:relative;text-align:center;padding:40px 30px}
.profile-card::after{content:"";position:absolute;bottom:0;left:0;right:0;height:10px;background:linear-gradient(90deg,var(--green),var(--yellow))}
.profile-card .initials{font-family:var(--ff-head);font-weight:700;font-size:4rem;color:#fff;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;margin:0 auto 18px}
.profile-card h3{color:#fff;font-size:1.4rem}
.profile-card .role{color:var(--green);font-weight:600;margin-top:4px}
.profile-card .chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}
.profile-card .chips span{background:rgba(166,199,46,.14);color:#cfe08a;border:1px solid rgba(166,199,46,.3);font-size:.78rem;font-weight:600;padding:6px 12px;border-radius:999px}
.cred-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cred-table tr+tr{border-top:1px solid var(--line)}
.cred-table th{text-align:left;padding:16px 20px;width:32%;background:var(--off);font-family:var(--ff-head);font-size:.92rem;vertical-align:top;color:var(--ink)}
.cred-table td{padding:16px 20px;color:var(--ink-700);font-size:.95rem}

/* generic info cards */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 28px;display:flex;gap:16px;align-items:flex-start;transition:.2s}
.info-card:hover{border-color:var(--green);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.info-card .ib{width:46px;height:46px;border-radius:11px;background:var(--green-tint);display:grid;place-items:center;flex-shrink:0}
.info-card .ib svg{width:24px;height:24px;color:var(--ink)}
.info-card h4{font-family:var(--ff-head);font-size:1.04rem;margin-bottom:4px}
.info-card p{color:var(--ink-500);font-size:.93rem}

/* ============ WHY CHOOSE AAC ============ */
.why6{background:var(--off)}
.why6-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:940px;margin:0 auto}
.why6-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:22px 24px;transition:.2s ease}
.why6-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--green)}
.why6-item.wide{grid-column:1 / -1}
.why6-ic{width:42px;height:42px;border-radius:10px;background:var(--green-tint);display:grid;place-items:center;flex-shrink:0}
.why6-ic svg{width:22px;height:22px;color:var(--green-deep)}
.why6-item p{color:var(--ink-700);font-weight:500;font-size:.98rem;line-height:1.5}

/* ============ SERVICES (detail list) ============ */
.svc-list{display:grid;gap:18px;max-width:980px;margin:0 auto}
.svc-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 32px;transition:.2s}
.svc-item:hover{box-shadow:var(--shadow-sm);border-color:var(--green)}
.svc-h{display:flex;gap:18px;align-items:center;margin-bottom:12px}
.svc-ic{width:52px;height:52px;border-radius:12px;background:var(--green-tint);display:grid;place-items:center;flex-shrink:0}
.svc-ic svg{width:26px;height:26px;color:var(--ink)}
.svc-h h3{font-size:1.25rem}
.svc-num{font-family:var(--ff-head);font-weight:700;color:var(--green);margin-left:auto;font-size:1.05rem;opacity:.55}
.svc-item p{color:var(--ink-500)}
.svc-item .suit{margin-top:12px;font-size:.92rem;color:var(--ink-700)}
.svc-item .suit b{color:var(--ink)}
.svc-bullets{list-style:none;margin-top:16px;display:grid;grid-template-columns:repeat(2,1fr);gap:9px 26px}
.svc-bullets li{display:flex;gap:10px;align-items:center;font-size:.92rem;color:var(--ink-700)}
.svc-bullets li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);flex-shrink:0}

/* ============ PROJECTS (filterable) ============ */
.pj-filter{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:44px}
.fbtn{background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 20px;font-family:var(--ff-body);
  font-weight:600;font-size:.9rem;color:var(--ink-700);cursor:pointer;transition:.18s}
.fbtn:hover{border-color:var(--green)}
.fbtn.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.prj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prj{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;transition:.22s;display:flex;flex-direction:column}
.prj:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:var(--green)}
.prj .ptag{align-self:flex-start;background:var(--green-tint);color:var(--ink);font-weight:700;font-size:.72rem;
  letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:14px}
.prj h3{font-size:1.12rem;margin-bottom:8px}
.prj .meta{font-size:.84rem;color:var(--ink-300);font-weight:600;margin-bottom:12px;display:flex;gap:14px;flex-wrap:wrap}
.prj .meta span{display:inline-flex;gap:6px;align-items:center}
.prj .meta svg{width:15px;height:15px;color:var(--green-deep)}
.prj p{color:var(--ink-500);font-size:.93rem;flex:1}
.prj.hide{display:none}

/* ============ CONTACT ============ */
.contact6{background:var(--white)}
.ctc-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px}
.ctc-item{display:flex;gap:16px;margin-bottom:24px}
.ctc-item .ib{width:50px;height:50px;border-radius:12px;background:var(--green-tint);display:grid;place-items:center;flex-shrink:0}
.ctc-item .ib svg{width:24px;height:24px;color:var(--ink)}
.ctc-item h4{font-family:var(--ff-head);font-size:1rem;margin-bottom:3px}
.ctc-item a,.ctc-item p{color:var(--ink-500);font-size:.97rem}
.ctc-item a:hover{color:var(--green-deep)}
.ctc-form{background:var(--off);border:1px solid var(--line);border-radius:16px;padding:34px;box-shadow:var(--shadow-sm)}
.ctc-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ctc-field{margin-bottom:18px}
.ctc-field label{display:block;font-weight:600;font-size:.85rem;margin-bottom:7px}
.ctc-field input,.ctc-field select,.ctc-field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);
  border-radius:8px;font-family:var(--ff-body);font-size:.95rem;background:#fff;color:var(--ink);transition:.18s}
.ctc-field input:focus,.ctc-field select:focus,.ctc-field textarea:focus{outline:none;border-color:var(--green);
  box-shadow:0 0 0 3px rgba(166,199,46,.25)}
.ctc-field textarea{resize:vertical;min-height:120px}
.ctc-form .btn{width:100%;justify-content:center}
.ctc-map{margin-top:48px;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.ctc-map iframe{width:100%;height:380px;border:0;display:block;filter:grayscale(.15)}

/* ============ CTA ============ */
.cta{background:var(--ink);position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 12% 30%,rgba(166,199,46,.22),transparent 38%),
  radial-gradient(circle at 88% 70%,rgba(245,214,10,.15),transparent 40%)}
.cta-in{position:relative;text-align:center;max-width:760px;margin:0 auto;color:#fff}
.cta-in h2{font-size:clamp(1.9rem,4vw,2.8rem)}
.cta-in p{color:rgba(255,255,255,.74);font-size:1.1rem;margin:16px 0 32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ============ STATS (counter) ============ */
.stats{background:var(--ink);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:18px 20px;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:68px;background:rgba(255,255,255,.12)}
.stat b{font-family:var(--ff-head);font-weight:700;font-size:clamp(2.4rem,4.4vw,3.4rem);color:var(--green);line-height:1;display:block}
.stat b small{font-size:.5em;color:var(--yellow);vertical-align:.35em}
.stat span{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:rgba(255,255,255,.62);margin-top:8px;display:block}

/* ============ FOOTER ============ */
.footer{background:#111;color:rgba(255,255,255,.66);padding:72px 0 26px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:42px;margin-bottom:46px}
.footer .brand img{height:40px}
.f-about{font-size:.93rem;margin:18px 0;max-width:300px}
.footer h5{color:#fff;font-family:var(--ff-head);font-size:.86rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
.footer ul{list-style:none}
.footer li{margin-bottom:11px}
.footer li a{font-size:.93rem;transition:.15s}
.footer li a:hover{color:var(--green)}
.f-contact div{display:flex;gap:11px;margin-bottom:13px;font-size:.93rem}
.f-contact svg{width:18px;height:18px;color:var(--green);flex-shrink:0;margin-top:3px}
.f-bottom{border-top:1px solid #262626;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem}
.f-bottom .a{color:var(--green)}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;z-index:200;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px}

/* ============ LISTING CARDS (blog / case studies) ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.acard{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.24s ease}
.acard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.acard .thumb{height:190px;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--ink-3),var(--ink-2))}
.acard .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.acard:hover .thumb img{transform:scale(1.05)}
.acard .thumb .tag{position:absolute;top:14px;left:14px;background:var(--green);color:var(--ink);font-weight:700;font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;padding:6px 12px;border-radius:5px;z-index:2}
.acard-body{padding:26px;display:flex;flex-direction:column;flex:1}
.acard-meta{font-size:.8rem;color:var(--ink-300);font-weight:600;margin-bottom:10px;display:flex;gap:12px;flex-wrap:wrap}
.acard h3{font-size:1.18rem;margin-bottom:10px;line-height:1.28}
.acard p{color:var(--ink-500);font-size:.94rem;flex:1}
.acard .arrow{margin-top:16px}

/* ============ ARTICLE (detail pages) ============ */
.article{max-width:760px;margin:0 auto}
.article .lead{font-size:1.18rem;color:var(--ink-700);margin-bottom:30px;font-weight:500}
.article h2{font-size:1.5rem;margin:38px 0 14px}
.article h3{font-size:1.16rem;margin:26px 0 10px}
.article p{color:var(--ink-700);margin-bottom:16px}
.article ul{margin:0 0 18px 0;padding:0;list-style:none;display:grid;gap:10px}
.article ul li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-700)}
.article ul li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);flex-shrink:0;margin-top:9px}
.article blockquote{border-left:4px solid var(--green);background:var(--off);padding:20px 24px;border-radius:0 10px 10px 0;margin:26px 0;font-family:var(--ff-head);font-size:1.15rem;color:var(--ink);line-height:1.5}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;background:var(--off);border:1px solid var(--line);border-radius:14px;padding:24px;margin:6px 0 30px}
.facts .f b{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-300);font-weight:700;margin-bottom:3px}
.facts .f span{font-family:var(--ff-head);font-weight:600;color:var(--ink)}
.meta-bar{display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:rgba(255,255,255,.7);font-size:.9rem;margin-top:16px}
.meta-bar .pill{background:var(--green);color:var(--ink);font-weight:700;font-size:.74rem;text-transform:uppercase;letter-spacing:.05em;padding:6px 12px;border-radius:5px}
.article-nav{max-width:760px;margin:44px auto 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ============ RESPONSIVE ============ */
@media(max-width:1200px){
  .nav-links a{font-size:.86rem}.nav-links{gap:18px}.brand b{display:none}
}
@media(max-width:980px){
  .sv-grid,.prj-grid,.card-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.ctc-grid,.profile-grid{grid-template-columns:1fr;gap:48px}
  .stat:nth-child(2)::before{display:none}
}
@media(max-width:860px){
  .nav-links,.nav-r .btn{display:none}
  .ntog{display:block}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:16px;right:16px;
    background:#fff;border-radius:12px;padding:18px;gap:4px;box-shadow:var(--shadow)}
  .nav-links.open a{color:var(--ink-700)!important;padding:12px 0;border-bottom:1px solid var(--line);width:100%}
  .nav-links.open a.active{color:var(--green-deep)!important}
  .sec{padding:74px 0}
}
@media(max-width:560px){
  .prj-grid,.info-grid,.ctc-row,.why6-grid,.svc-bullets,.card-grid,.facts{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 0}
  .stat::before{display:none!important}
  .exp-badge{width:120px;height:120px}.exp-badge b{font-size:2.1rem}
  .cred-table th,.cred-table td{display:block;width:100%}
  .cred-table th{padding-bottom:2px;border-bottom:0}
  .cred-table td{padding-top:4px}
}