/* Agreen Petro Refinery — design tokens follow the logo:
   deep black-green base, green gradient, lime accent, teal highlight. */
:root{
  --bg:#06120e; --bg-2:#0a1b15; --surface:#0f241d; --surface-2:#133026;
  --line:#1d3d32; --line-2:#285244;
  --green:#1f9d6b; --emerald:#2fbf86; --teal:#12a8a0; --lime:#c6f23d; --lime-2:#a8d62a;
  --text:#e9f5ef; --mut:#9db9ae; --dim:#6f8d82;
  --radius:16px; --shadow:0 18px 50px rgba(0,0,0,.35);
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
html[lang="fa"] body,html[lang="ar"] body{font-family:"Vazirmatn",Tahoma,sans-serif}
html[lang="en"] body{font-family:"Inter",system-ui,sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
section{padding:88px 0;position:relative}
.alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
h1,h2,h3{line-height:1.45;margin:0 0 12px;font-weight:800;letter-spacing:-.2px}
h2{font-size:2rem}
h3{font-size:1.2rem}
p{margin:0 0 14px}
.lead{color:var(--mut);font-size:1.06rem;max-width:780px}
.eyebrow{display:block;color:var(--lime);font-weight:700;font-size:.9rem;margin-bottom:10px}
.section-head{margin-bottom:38px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-weight:700;border:0;cursor:pointer;font:inherit;font-weight:700;transition:transform .15s,background .2s,box-shadow .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--lime);color:#0b1a12;box-shadow:0 10px 30px rgba(198,242,61,.25)}
.btn-primary:hover{background:var(--lime-2)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--emerald)}

/* top bar + header */
header.site{position:sticky;top:0;z-index:50;background:rgba(6,18,14,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:56px;height:56px;object-fit:contain;flex:0 0 auto}
.brand b{display:block;font-size:1.02rem;letter-spacing:.2px;white-space:nowrap}
.brand small{color:var(--mut);font-size:.78rem;display:block;margin-top:-2px;white-space:nowrap}
nav.main{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
nav.main a{padding:8px 9px;border-radius:9px;color:var(--mut);font-size:.9rem;font-weight:600;white-space:nowrap}
nav.main a:hover{color:var(--text);background:rgba(255,255,255,.05)}
nav.main a.cta{border:1px solid var(--lime);color:var(--lime)}
nav.main a.active{color:var(--lime);background:rgba(198,242,61,.08)}
nav.main a.cta.active{color:#0b1a12;background:var(--lime-2)}
nav.main a.cta:hover{background:rgba(198,242,61,.08);color:var(--lime-2)}
.lang-wrap{position:relative;margin-inline-start:auto}
.lang-btn{background:none;border:1px solid var(--line-2);color:var(--text);border-radius:10px;padding:8px 14px;font:inherit;font-size:.9rem;cursor:pointer;font-weight:700;white-space:nowrap}
.lang-btn:hover{border-color:var(--emerald)}
.lang-list{position:absolute;top:calc(100% + 8px);inset-inline-start:0;min-width:150px;background:var(--surface-2);border:1px solid var(--line-2);border-radius:12px;padding:6px;box-shadow:0 18px 40px rgba(0,0,0,.4);display:flex;flex-direction:column;gap:2px;z-index:60}
.lang-list button{background:none;border:0;color:var(--mut);text-align:start;border-radius:8px;padding:9px 12px;font:inherit;font-size:.92rem;cursor:pointer;font-weight:700}
.lang-list button:hover{background:rgba(255,255,255,.05);color:var(--text)}
.lang-list button.on{color:var(--lime)}
.menu-btn{display:none;background:none;border:1px solid var(--line-2);color:var(--text);border-radius:10px;padding:8px 12px;cursor:pointer;font:inherit}

/* hero */
.hero{position:relative;overflow:hidden;padding:120px 0 110px;background:
  radial-gradient(900px 500px at 85% 10%,rgba(47,191,134,.22),transparent 60%),
  radial-gradient(700px 500px at 10% 90%,rgba(18,168,160,.18),transparent 60%),
  linear-gradient(160deg,#07150f 0%,#06120e 60%,#081a14 100%)}
.hero:after{content:"";position:absolute;inset:auto -10% -40% auto;width:70%;height:120%;background:repeating-linear-gradient(115deg,transparent 0 46px,rgba(198,242,61,.05) 46px 47px);transform:rotate(-8deg);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:50px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:3rem;line-height:1.3;margin-bottom:18px}
.hero h1 span{background:linear-gradient(90deg,var(--lime),var(--emerald));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:1.14rem}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-card{background:rgba(15,36,29,.7);border:1px solid var(--line-2);border-radius:22px;padding:26px;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.hero-card .row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px dashed var(--line-2);gap:16px}
.hero-card .row:last-child{border-bottom:0}
.hero-card .row span:first-child{color:var(--mut)}
.hero-card .row b{color:var(--lime);font-weight:800;text-align:end;white-space:nowrap}

/* stats */
.stats{background:var(--surface);border-block:1px solid var(--line)}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 20px;text-align:center;border-inline-start:1px solid var(--line)}
.stat:first-child{border-inline-start:0}
.stat .num{font-size:2.2rem;font-weight:900;color:var(--lime);line-height:1.2;direction:ltr}
.stat .lbl{color:var(--mut);font-size:.92rem;margin-top:6px}

/* cards & grids */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(31,157,107,.25),rgba(18,168,160,.25));color:var(--lime);font-weight:800;margin-bottom:14px}
.card p{color:var(--mut);margin:0}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.step{padding:0 14px;text-align:center}
.step .dot{width:56px;height:56px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);border:2px solid var(--emerald);color:var(--lime);font-weight:900;font-size:1.1rem;position:relative;z-index:1}
.step h3{font-size:1.02rem}
.step p{color:var(--mut);font-size:.92rem}
.steps:before{content:"";position:absolute;top:28px;inset-inline:10%;height:2px;background:linear-gradient(90deg,transparent,var(--emerald),transparent)}

/* products */
.product{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;display:flex;flex-direction:column}
.product .head{padding:28px 28px 18px;background:linear-gradient(135deg,rgba(31,157,107,.18),rgba(18,168,160,.08));border-bottom:1px solid var(--line)}
.tag{display:inline-block;background:rgba(198,242,61,.12);color:var(--lime);border:1px solid rgba(198,242,61,.35);padding:3px 12px;border-radius:999px;font-size:.8rem;font-weight:700;margin-bottom:10px}
.product-photo{background:#fff;aspect-ratio:4/3;overflow:hidden}
.product-photo img{width:100%;height:100%;object-fit:contain;display:block}
.product .body{padding:26px 28px 30px;flex:1}
.product .body p{color:var(--mut)}
table.specs{width:100%;border-collapse:collapse;margin-top:14px;font-size:.94rem}
table.specs th,table.specs td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top}
table.specs th{color:var(--dim);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.3px}
table.specs td.v{color:var(--lime);font-weight:700;text-align:start}
.product .head p{color:var(--mut);margin:0}
table.specs td.m{color:var(--mut);direction:ltr;text-align:start;font-size:.88rem}
.flag{display:inline-block;margin-inline-start:6px;font-size:.72rem;color:#ffb86b;border:1px solid #ffb86b55;border-radius:6px;padding:0 6px}
.hs{margin-top:14px;color:var(--mut);font-size:.9rem}
.hs b{color:var(--text);direction:ltr;display:inline-block}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.road .c{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative}
.road .c.active{border-color:var(--lime);box-shadow:0 0 0 1px rgba(198,242,61,.3) inset}
.road .phase{color:var(--dim);font-size:.82rem;font-weight:700;margin-bottom:8px}
.road .c.active .phase{color:var(--lime)}
.road .state{position:absolute;top:18px;inset-inline-end:18px;font-size:.74rem;padding:2px 10px;border-radius:999px;background:var(--surface-2);color:var(--mut)}
.road .c.active .state{background:var(--lime);color:#0b1a12;font-weight:700}

/* quality */
.certs .card{display:flex;justify-content:space-between;align-items:center;gap:14px}
.pill{font-size:.8rem;padding:4px 12px;border-radius:999px;background:rgba(255,184,107,.1);color:#ffb86b;border:1px solid rgba(255,184,107,.35);white-space:nowrap}
.note{color:var(--dim);font-size:.92rem;margin-top:18px}

/* sustainability */
.sus{background:radial-gradient(800px 400px at 80% 0%,rgba(47,191,134,.18),transparent 60%),var(--bg-2)}
.sus .stat-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center}
.sus .stat-box .num{font-size:2.2rem;font-weight:900;color:var(--lime);direction:ltr}
.sus .stat-box .lbl{color:var(--mut);font-size:.92rem}

/* gallery (placeholders until real photos are supplied) */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery figure{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--surface);aspect-ratio:4/3;position:relative}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;inset-inline:0;bottom:0;padding:12px 14px;background:linear-gradient(transparent,rgba(0,0,0,.75));font-size:.9rem;color:#fff}

/* forms */
form.f{display:grid;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:30px}
.f .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f label{display:block;font-size:.88rem;color:var(--mut);margin-bottom:6px;font-weight:600}
.f label .req{color:var(--lime);margin-inline-start:4px}
.f input,.f select,.f textarea{width:100%;font:inherit;color:var(--text);background:var(--bg-2);border:1px solid var(--line-2);border-radius:11px;padding:12px 14px;transition:border-color .2s,box-shadow .2s}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--emerald);box-shadow:0 0 0 3px rgba(47,191,134,.18)}
.f select option{background:var(--bg-2)}
.f .actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.f .status{font-size:.95rem}
.f .status.ok{color:var(--emerald)}
.f .status.err{color:#ff8a8a}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;color:var(--text);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--lime);font-size:1.3rem;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq details p{color:var(--mut);margin:10px 0 0}

/* contact */
.contact-box{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:30px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:12px 16px;font-size:.98rem}
.kv div:nth-child(odd){color:var(--dim)}
.kv div:nth-child(even){direction:auto}
.kv a{color:var(--lime)}

/* footer */
footer.site{background:#041009;border-top:1px solid var(--line);padding:60px 0 26px;color:var(--mut);font-size:.94rem}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:30px}
footer.site h4{color:var(--text);margin:0 0 12px;font-size:1rem}
footer.site a{display:block;padding:4px 0;color:var(--mut)}
footer.site a:hover{color:var(--lime)}
footer.site .copy{margin-top:40px;padding-top:18px;border-top:1px solid var(--line);font-size:.86rem;color:var(--dim)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(16px);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:1024px){
  .hero h1{font-size:2.4rem}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .road{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .steps:before{display:none}
  footer.site .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  section{padding:64px 0}
  .hero{padding:90px 0 80px}
  .hero-grid,.grid-2,.grid-3{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .stats .grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-inline-start:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .menu-btn{display:inline-block}
  .brand{flex:1}
  .brand-logo{width:46px;height:46px}
  .lang-wrap{margin-inline-start:0}
  nav.main{display:none;width:100%;flex-direction:column;align-items:stretch;padding-bottom:12px}
  nav.main.open{display:flex}
  header.site .wrap{flex-wrap:wrap}
  .f .row{grid-template-columns:1fr}
  h2{font-size:1.6rem}
}
@media (max-width:1100px){
  .menu-btn{display:inline-block;order:2}
  .brand{flex:1}
  .brand-logo{width:46px;height:46px}
  .lang-wrap{margin-inline-start:0;order:1}
  nav.main{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;padding-bottom:12px}
  nav.main.open{display:flex}
  header.site .wrap{flex-wrap:wrap}
}
@media (max-width:520px){
  .brand small{display:none}
  .hero h1{font-size:2rem}
  .grid-4,.road,.gallery{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  footer.site .cols{grid-template-columns:1fr}
  .stats .grid{grid-template-columns:1fr}
  .stat{border-inline-start:0;border-top:1px solid var(--line)}
  .stat:first-child{border-top:0}
}

/* process photos (placeholder shows if the file is missing) */
.step-photo{margin-bottom:14px;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--surface);border:1px solid var(--line)}
.step-photo img{width:100%;height:100%;object-fit:cover;display:block}
.step-photo{background:linear-gradient(135deg,#0c2418,#07140d)}
/* footer social links */
.social{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:10px}
footer.site .social a{display:inline-block;padding:2px 0;color:var(--mut)}
footer.site .social a:hover{color:var(--lime)}
footer.site .copy{margin-bottom:8px}