/* ABC Energy — wavex-style oil & gas concept (light default + dark toggle) */
*{margin:0;padding:0;box-sizing:border-box}
:root{ /* LIGHT theme (default) */
  --bg:#f5f2ea; --bg-2:#eee8db; --panel:#ffffff; --panel-2:#f7f2e7;
  --cloud:#1b1712; --soft:#403a30; --muted:#77705f; --dim:#a89f8e;
  --line:rgba(20,16,8,.10); --line-2:rgba(20,16,8,.18); --bar-track:rgba(20,16,8,.09);
  --amber:#d98200; --amber-2:#ffb020; --ember:#ff7a1a;
  --header-bg:rgba(245,242,234,.9);
  --head:"Sora",system-ui,sans-serif; --body:"Inter",system-ui,sans-serif; --wrap:1200px;
}
[data-theme="dark"]{
  --bg:#0a0b0e; --bg-2:#101217; --panel:#15181f; --panel-2:#1c2028;
  --cloud:#f5f2ea; --soft:#c9c8c4; --muted:#8d8f97; --dim:#5f626b;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.15); --bar-track:rgba(255,255,255,.08);
  --amber:#ffb020; --amber-2:#ffca55; --ember:#ff7a1a;
  --header-bg:rgba(10,11,14,.85);
}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--bg);color:var(--soft);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .3s,color .3s}
h1,h2,h3,h4{font-family:var(--head);color:var(--cloud);line-height:1.06;font-weight:700;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 26px}
.eyebrow{font-family:var(--head);font-size:.74rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--amber)}
section{position:relative}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--head);font-weight:600;font-size:.92rem;
  padding:14px 24px;border-radius:6px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s;white-space:nowrap;position:relative;overflow:hidden}
.btn:hover{transform:translateY(-2px)}
.btn-amber{background:linear-gradient(180deg,var(--amber-2),var(--amber));color:#231600;box-shadow:0 10px 30px -10px rgba(217,130,0,.6)}
.btn-amber::after{content:"";position:absolute;top:0;left:-130%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-18deg)}
.btn-amber:hover::after{left:150%;transition:left .7s ease}
.btn-ghost{background:transparent;color:var(--cloud);border-color:var(--line-2)}
.btn-ghost:hover{background:rgba(127,127,127,.08);border-color:var(--amber)}
.btn-dark{background:#0c0d10;color:#fff;border-color:rgba(255,255,255,.16)}
.btn-block{width:100%;justify-content:center}

/* mockup banner */
.mockup-banner{position:fixed;top:0;left:0;right:0;z-index:70;height:34px;display:flex;align-items:center;justify-content:center;padding:0 14px;
  background:linear-gradient(90deg,#1a1305,#2a1e07 55%,#1a1305);border-bottom:1px solid rgba(255,176,32,.3)}
.mockup-banner span{font-family:var(--head);font-weight:500;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#ffb020;opacity:.95}
@media(max-width:560px){.mockup-banner span{font-size:.55rem;letter-spacing:.05em;text-align:center}}

/* header */
header{position:fixed;top:34px;left:0;right:0;z-index:60;transition:background .3s,border-color .3s,backdrop-filter .3s}
header.scrolled{background:var(--header-bg);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand .logomark{width:40px;height:40px;flex:none}
.brand .bt{font-family:var(--head);font-weight:800;font-size:1.12rem;color:#fff;letter-spacing:.02em;line-height:1;transition:color .3s}
header.scrolled .brand .bt{color:var(--cloud)}
.brand .bs{display:block;font-family:var(--head);font-weight:500;font-size:.6rem;letter-spacing:.3em;text-transform:uppercase;color:#ffb84d;margin-top:3px}
.brand-badge{font-family:var(--head);font-weight:600;font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:#ffb84d;
  border:1px solid rgba(255,176,32,.5);border-radius:100px;padding:3px 9px;white-space:nowrap;background:rgba(255,176,32,.12)}
header.scrolled .brand-badge{color:var(--amber);border-color:rgba(217,130,0,.4);background:rgba(217,130,0,.08)}
@media(max-width:900px){.brand-badge{display:none}}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-family:var(--head);font-weight:500;font-size:.92rem;color:rgba(255,255,255,.82);transition:color .15s}
header.scrolled .nav-links a{color:var(--soft)}
.nav-links a:hover,.nav-links a.active{color:var(--amber-2)}
header.scrolled .nav-links a:hover,header.scrolled .nav-links a.active{color:var(--amber)}
.nav-right{display:flex;align-items:center;gap:12px}
.theme-toggle{width:40px;height:40px;border-radius:8px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
header.scrolled .theme-toggle{color:var(--cloud);border-color:var(--line-2);background:transparent}
.theme-toggle:hover{border-color:var(--amber)}
.theme-toggle svg{width:19px;height:19px}
.theme-toggle .sun{display:none}.theme-toggle .moon{display:block}
[data-theme="dark"] .theme-toggle .sun{display:block}[data-theme="dark"] .theme-toggle .moon{display:none}
.nav-toggle{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:6px}
header.scrolled .nav-toggle{color:var(--cloud)}

/* hero (dark in both themes) */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding:150px 0 80px;background:#0a0b0e}
.hero .bg{position:fixed;inset:0;background:url('hero.jpg') center/cover no-repeat;z-index:0}
.hero video.bg{width:100%;height:100%;object-fit:cover}
.hero .wave{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero .scrim{position:absolute;inset:0;z-index:2;
  background:linear-gradient(90deg,rgba(10,11,14,.9) 0%,rgba(10,11,14,.66) 45%,rgba(10,11,14,.3) 100%),
  linear-gradient(180deg,rgba(10,11,14,.5),rgba(10,11,14,.2) 40%,rgba(10,11,14,.94))}
.hero .wrap{position:relative;z-index:3}
.hero-inner{max-width:760px}
.hero .tagline{font-family:var(--head);color:#ffb84d;font-weight:600;letter-spacing:.06em;margin-bottom:14px}
.hero h1{font-size:clamp(2.7rem,6.4vw,5rem);font-weight:800;letter-spacing:-.03em;color:#fff}
.hero h1 span{display:inline-block}
.hero h1 .hl{color:transparent;background:linear-gradient(100deg,#ffca55,#ff7a1a);-webkit-background-clip:text;background-clip:text}
.hero p{font-size:1.18rem;color:#c9c8c4;margin:22px 0 32px;max-width:600px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;font-family:var(--head);font-size:.64rem;letter-spacing:.3em;text-transform:uppercase;color:#8d8f97;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue::after{content:"";width:1px;height:32px;background:linear-gradient(#ffb020,transparent)}

/* hero entrance animation */
.hero .tagline{opacity:0;animation:heroUp .7s .05s forwards cubic-bezier(.2,.7,.2,1)}
.hero h1 span{opacity:0;transform:translateY(30px);animation:heroUp .7s var(--d,0s) forwards cubic-bezier(.2,.7,.2,1)}
.hero p{opacity:0;transform:translateY(20px);animation:heroUp .7s .72s forwards cubic-bezier(.2,.7,.2,1)}
.hero-cta{opacity:0;transform:translateY(20px);animation:heroUp .7s .86s forwards cubic-bezier(.2,.7,.2,1)}
@keyframes heroUp{to{opacity:1;transform:none}}

/* stats — circular counters that pop in */
.stats{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;z-index:1}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:64px 0}
.stat{width:172px;height:172px;border-radius:50%;margin:0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  background:var(--panel);border:1px solid var(--line);position:relative;box-shadow:0 18px 50px -28px rgba(0,0,0,.45)}
.stat::before{content:"";position:absolute;inset:-2px;border-radius:50%;padding:2px;
  background:conic-gradient(from -60deg,var(--ember),var(--amber-2) 45%,transparent 72%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.stat .n{font-family:var(--head);font-weight:800;font-size:clamp(1.7rem,3vw,2.3rem);color:transparent;background:linear-gradient(100deg,var(--amber),var(--ember));-webkit-background-clip:text;background-clip:text}
.stat .l{color:var(--muted);font-size:.8rem;margin-top:4px;max-width:120px;line-height:1.3}
.pop{opacity:0;transform:scale(.55)}
.pop.in{opacity:1;transform:none;transition:transform .7s var(--sd,0s) cubic-bezier(.34,1.56,.64,1),opacity .5s var(--sd,0s)}
.stat:nth-child(1){--sd:.0s}.stat:nth-child(2){--sd:.12s}.stat:nth-child(3){--sd:.24s}.stat:nth-child(4){--sd:.36s}

/* generic block */
.block{padding:100px 0;background:var(--bg);position:relative;z-index:1}
.block.bg2{background:var(--bg-2)}
.block.tight{padding:70px 0}
.sec-head{max-width:720px;margin-bottom:52px}
.sec-head.center{margin:0 auto 52px;text-align:center}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-top:14px}
.sec-head p{margin-top:16px;font-size:1.05rem;color:var(--muted)}

/* about split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .media{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.split .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3.3}
.split .media .tag{position:absolute;left:16px;bottom:16px;background:#0c0d10;color:#fff;font-family:var(--head);font-weight:600;font-size:.8rem;padding:8px 14px;border-radius:6px;border:1px solid rgba(255,255,255,.16)}
.split h2{font-size:clamp(1.8rem,3.3vw,2.6rem);margin:14px 0 18px}
.split p{color:var(--muted);margin-bottom:14px}
.checks{list-style:none;margin-top:20px;display:grid;gap:12px}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--soft)}
.checks svg{flex:none;width:22px;height:22px;color:var(--amber);margin-top:2px}

/* capability progress bars */
.caps{display:grid;grid-template-columns:1fr 1fr;gap:34px 56px}
.cap .cap-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.cap .cap-name{font-family:var(--head);font-weight:600;color:var(--cloud);font-size:1.02rem}
.cap .cap-pct{font-family:var(--head);font-weight:700;color:var(--amber)}
.bar{height:8px;border-radius:100px;background:var(--bar-track);overflow:hidden}
.bar-fill{height:100%;width:0;border-radius:100px;background:linear-gradient(90deg,var(--ember),var(--amber-2));transition:width 1.4s cubic-bezier(.2,.7,.2,1)}

/* services */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:30px 26px;transition:transform .2s,border-color .2s,box-shadow .2s;position:relative;overflow:hidden;box-shadow:0 10px 40px -30px rgba(0,0,0,.4)}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--ember),var(--amber-2));opacity:0;transition:opacity .2s}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:0 20px 50px -30px rgba(0,0,0,.5)}
.card:hover::before{opacity:1}
.card .ic{width:52px;height:52px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,rgba(255,176,32,.22),rgba(255,122,26,.16));color:var(--amber);margin-bottom:18px}
.card .ic svg{width:26px;height:26px}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card p{font-size:.95rem;color:var(--muted)}

/* operations gallery (filterable) — tiles stay dark (media placeholders) */
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.filters button{font-family:var(--head);font-weight:600;font-size:.86rem;color:var(--soft);background:var(--panel);border:1px solid var(--line);padding:9px 18px;border-radius:100px;cursor:pointer;transition:.2s}
.filters button:hover{border-color:var(--line-2)}
.filters button.active{background:linear-gradient(180deg,var(--amber-2),var(--amber));color:#231600;border-color:transparent}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{position:relative;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.06);min-height:230px;display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(160deg,#1a1e28,#0d0f14);transition:transform .25s,border-color .2s}
.tile:hover{transform:translateY(-5px);border-color:var(--amber)}
.tile .cat{position:absolute;top:14px;left:14px;z-index:2;font-family:var(--head);font-weight:600;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:#231600;background:var(--amber-2);padding:4px 10px;border-radius:100px}
.tile .meta{position:relative;z-index:2;padding:20px;background:linear-gradient(180deg,transparent,rgba(8,9,11,.92))}
.tile h4{font-size:1.1rem;color:#fff}
.tile .sub{color:#9aa0ab;font-size:.86rem;margin-top:3px}
.tile.hide{display:none}

/* parallax band (dark in both themes) */
.band{position:relative;padding:120px 0;overflow:hidden;background:#0a0b0e}
.band .bg{position:absolute;top:-18%;left:0;right:0;height:136%;background:url('band.jpg') center/cover no-repeat;z-index:0;will-change:transform}
.band.alt .bg{background:url('hero.jpg') center/cover no-repeat}
.band .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,14,.78),rgba(10,11,14,.9));z-index:1}
.band .wrap{position:relative;z-index:2}
.band blockquote{max-width:840px;margin:0 auto;text-align:center;font-family:var(--head);font-weight:600;font-size:clamp(1.5rem,3vw,2.2rem);color:#fff;line-height:1.3;letter-spacing:-.01em}
.band .who{text-align:center;margin-top:20px;font-family:var(--head);font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:#ffb84d}
.band .bigstat{text-align:center}
.band .bigstat .n{font-family:var(--head);font-weight:800;font-size:clamp(3rem,8vw,6rem);color:transparent;background:linear-gradient(100deg,#ffca55,#ff7a1a);-webkit-background-clip:text;background-clip:text;line-height:1}
.band .bigstat .l{color:#e7e4dd;font-family:var(--head);letter-spacing:.06em;margin-top:8px}

/* team */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:26px 22px;text-align:center;transition:.2s;box-shadow:0 10px 40px -30px rgba(0,0,0,.4)}
.member:hover{border-color:var(--line-2);transform:translateY(-4px)}
.member .av{width:92px;height:92px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-family:var(--head);font-weight:800;font-size:1.5rem;color:#231600;background:linear-gradient(150deg,var(--amber-2),var(--ember))}
.member h4{font-size:1.05rem}
.member .role{color:var(--amber);font-family:var(--head);font-size:.82rem;font-weight:500;margin-top:2px}
.member .soc{display:flex;gap:12px;justify-content:center;margin-top:14px;opacity:.55;transition:opacity .2s}
.member:hover .soc{opacity:1}
.member .soc a{color:var(--muted)}
.member .soc svg{width:18px;height:18px}

/* testimonials carousel */
.quotes{position:relative;max-width:860px;margin:0 auto;text-align:center}
.slide{display:none}
.slide.on{display:block;animation:fade .6s ease}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.slide p{font-family:var(--head);font-weight:500;font-size:clamp(1.2rem,2.4vw,1.7rem);color:var(--cloud);line-height:1.4}
.slide .by{margin-top:20px;color:var(--amber);font-family:var(--head);font-weight:600;font-size:.92rem}
.slide .by span{display:block;color:var(--muted);font-weight:400;font-size:.84rem;margin-top:2px}
.dots{display:flex;gap:10px;justify-content:center;margin-top:30px}
.dots button{width:10px;height:10px;border-radius:50%;border:0;background:var(--line-2);cursor:pointer;transition:.2s}
.dots button.on{background:var(--amber);width:26px;border-radius:100px}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tl{padding-top:26px;position:relative}
.tl::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--line)}
.tl::after{content:"";position:absolute;top:-4px;left:0;width:10px;height:10px;border-radius:50%;background:var(--amber)}
.tl .yr{font-family:var(--head);font-weight:800;color:var(--amber);font-size:1.3rem}
.tl h4{font-size:1.02rem;margin:6px 0 6px}
.tl p{color:var(--muted);font-size:.9rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--head);font-weight:500;font-size:.86rem;color:var(--soft);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;background:var(--panel);border:1px solid var(--line-2);border-radius:8px;padding:13px 14px;color:var(--cloud);font-family:var(--body);font-size:.98rem;transition:border-color .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--amber)}
.field textarea{resize:vertical}
.contact-info{background:linear-gradient(165deg,#1c2028,#12151b);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:32px 28px}
.contact-info h3{color:#fff;font-size:1.3rem;margin-bottom:8px}
.contact-info>p{color:#9aa0ab!important}
.ci{display:flex;gap:14px;align-items:flex-start;margin-top:22px}
.ci svg{flex:none;width:22px;height:22px;color:#ffb84d;margin-top:3px}
.ci b{display:block;font-family:var(--head);color:#fff;font-weight:600;font-size:.95rem}
.ci span{color:#9aa0ab;font-size:.94rem}

/* footer (dark in both) */
footer{background:#07080a;border-top:1px solid rgba(255,255,255,.08);padding:60px 0 30px;position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand .bt{font-family:var(--head);font-weight:800;font-size:1.3rem;color:#fff}
.foot-brand p{color:#9aa0ab;margin-top:12px;max-width:300px;font-size:.94rem}
footer h4{font-family:var(--head);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:#ffb84d;margin-bottom:16px}
.foot-links{list-style:none;display:grid;gap:10px}
.foot-links a,.foot-links li{color:#9aa0ab;font-size:.94rem;transition:color .15s}
.foot-links a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);color:#6b6e76;font-size:.86rem}

/* reveal + directional (squares from sides) */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal-l{opacity:0;transform:translateX(-70px);transition:opacity .7s ease,transform .7s var(--sd,0s) cubic-bezier(.2,.7,.2,1)}
.reveal-r{opacity:0;transform:translateX(70px);transition:opacity .7s ease,transform .7s var(--sd,0s) cubic-bezier(.2,.7,.2,1)}
.reveal.in,.reveal-l.in,.reveal-r.in{opacity:1;transform:none}
.cards .card:nth-child(3n+2){--sd:.1s}.cards .card:nth-child(3n+3){--sd:.2s}
.gal .tile:nth-child(3n+2){--sd:.08s}.gal .tile:nth-child(3n+3){--sd:.16s}

/* responsive */
@media(max-width:960px){
  .cards,.gal,.timeline{grid-template-columns:repeat(2,1fr)}
  .team{grid-template-columns:repeat(2,1fr)}
  .caps{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .stats .grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .hero .bg{position:absolute}
}
@media(max-width:720px){
  .nav-toggle{display:inline-flex}
  .nav-right .btn{display:none}
  .nav-links{position:absolute;top:66px;left:16px;right:16px;flex-direction:column;align-items:stretch;gap:4px;
    background:var(--header-bg);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:12px;padding:12px;opacity:0;pointer-events:none;transform:translateY(-8px);transition:.2s}
  .nav-links.open{opacity:1;pointer-events:auto;transform:none}
  .nav-links a{padding:12px 14px;border-radius:8px;color:var(--soft)}
  .block{padding:72px 0}
}
@media(max-width:560px){
  .cards,.gal,.team,.timeline{grid-template-columns:1fr}
  .stats .grid{grid-template-columns:1fr;gap:26px}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .hero .wave{display:none}
  .hero .tagline,.hero h1 span,.hero p,.hero-cta{animation:none;opacity:1;transform:none}
  .reveal,.reveal-l,.reveal-r,.pop{opacity:1;transform:none;transition:none}
}