/* ============================================================
   NAL Energy SRL — Kurumsal Web Sitesi
   Heritage Seal kimliği · Midnight Navy / Solar Gold / Ivory
   ============================================================ */

:root{
  --navy:#0C2233;
  --navy-soft:#13314a;
  --gold:#C9A24B;
  --gold-soft:#d9b96e;
  --ivory:#F6F3EC;
  --ivory-2:#efe9dc;
  --graphite:#3A4750;
  --line:rgba(12,34,51,.12);
  --line-gold:rgba(201,162,75,.35);
  --shadow:0 18px 50px -24px rgba(12,34,51,.45);
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Jost',system-ui,sans-serif;
  color:var(--graphite);
  background:var(--ivory);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Cormorant Garamond',Georgia,serif;color:var(--navy);font-weight:600;line-height:1.12;letter-spacing:.2px}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:'Cinzel',serif;font-size:12px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold);font-weight:600;margin-bottom:18px;display:inline-block;
}
.eyebrow.on-dark{color:var(--gold-soft)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;
  font-family:'Jost',sans-serif;font-size:14px;letter-spacing:.06em;text-transform:uppercase;font-weight:500;
  padding:15px 30px;border-radius:2px;border:1px solid transparent;transition:.25s ease;
}
.btn-gold{background:var(--gold);color:var(--navy);font-weight:600}
.btn-gold:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-outline{border-color:var(--gold);color:var(--navy)}
.btn-outline:hover{background:var(--gold);color:var(--navy)}
.btn-outline.on-dark{color:var(--ivory)}
.btn-outline.on-dark:hover{background:var(--gold);color:var(--navy);border-color:var(--gold)}

/* ---------- Header / Nav ---------- */
header.site{
  position:sticky;top:0;z-index:50;background:rgba(246,243,236,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand img{height:46px}
nav.main{display:flex;align-items:center;gap:34px}
nav.main a{font-size:14.5px;letter-spacing:.02em;color:var(--navy);position:relative;padding:4px 0}
nav.main a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--gold);transition:.25s}
nav.main a:hover::after,nav.main a.active::after{width:100%}
nav.main .btn{padding:11px 22px}
.nav-toggle{display:none;background:none;border:0;font-size:26px;color:var(--navy);cursor:pointer}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--ivory);overflow:hidden;
  background:
    linear-gradient(98deg,rgba(8,20,31,.82) 0%,rgba(9,25,39,.58) 40%,rgba(9,25,39,.18) 72%,rgba(9,25,39,.05) 100%),
    url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=2400&q=80') center 30%/cover no-repeat,
    linear-gradient(160deg,#0a1d2c 0%,#0C2233 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;pointer-events:none;
  background:linear-gradient(to top,var(--ivory),transparent);
}
.hero .wrap{position:relative;z-index:2;display:block;max-width:1180px;padding-top:120px;padding-bottom:150px}
.hero-copy{max-width:780px}
.hero h1{color:#fff;font-size:clamp(40px,5.4vw,70px);font-weight:600;letter-spacing:.3px;text-shadow:0 2px 30px rgba(0,0,0,.3)}
.hero h1 .gold{color:var(--gold-soft);font-style:italic}
.hero p.lead{font-size:19px;color:rgba(255,255,255,.9);margin:26px 0 38px;max-width:52ch}
.hero .cta-row{display:flex;gap:16px;flex-wrap:wrap}

/* Centered hero (interior pages) — more even overlay */
.hero.hero-center{
  background:
    linear-gradient(rgba(8,20,31,.78),rgba(9,25,39,.66)),
    url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=2400&q=80') center 35%/cover no-repeat,
    linear-gradient(160deg,#0a1d2c,#0C2233);
}
.hero.hero-center h1{color:#fff}

/* Photographic contrast band */
.band-photo{
  position:relative;color:var(--ivory);
  background:
    linear-gradient(rgba(8,20,31,.86),rgba(9,25,39,.8)),
    url('https://images.unsplash.com/photo-1548337138-e87d889cc369?auto=format&fit=crop&w=2200&q=80') center/cover no-repeat,
    linear-gradient(160deg,#0a1d2c,#0C2233);
}
.band-photo .wrap{position:relative;z-index:2}

/* ---------- Trust strip ---------- */
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;padding:26px 28px}
.trust .item{color:var(--graphite);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;display:flex;align-items:center;gap:9px}
.trust .item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:0 0 auto}
.trust .item b{color:var(--navy);font-family:'Cinzel',serif;font-weight:600;letter-spacing:.06em}

/* ---------- Section base ---------- */
section.block{padding:96px 0}
.section-head{max-width:680px;margin-bottom:54px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(32px,4vw,46px)}
.section-head p{margin-top:16px;color:var(--graphite);font-size:18px}
.divider{width:54px;height:2px;background:var(--gold);margin:0 0 22px}
.section-head.center .divider{margin-left:auto;margin-right:auto}

/* ---------- Stats ---------- */
.stats{background:var(--ivory-2)}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.stat .num{font-family:'Fraunces','Cormorant Garamond',serif;font-size:54px;font-weight:600;color:var(--navy);line-height:1;letter-spacing:.5px}
.stat .num span{color:var(--gold)}
.stat .lbl{margin-top:10px;font-size:13.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--graphite)}
.stat{padding:8px 6px;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:-14px;top:18%;height:64%;width:1px;background:var(--line)}

/* ---------- Services ---------- */
.services .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:4px;padding:38px 34px;transition:.28s ease;position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:var(--gold);transform:scaleY(0);transform-origin:top;transition:.3s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-gold)}
.card:hover::before{transform:scaleY(1)}
.card .ic{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--line-gold);border-radius:50%;color:var(--gold);margin-bottom:20px}
.card .ic svg{width:24px;height:24px;stroke:var(--gold)}
.card h3{font-size:25px;margin-bottom:10px}
.card p{font-size:16px;color:var(--graphite)}
.card .num-tag{position:absolute;right:26px;top:24px;font-family:'Cinzel',serif;font-size:13px;color:var(--line-gold);letter-spacing:.1em}

/* ---------- Process ---------- */
.process{background:#fff}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:var(--ivory);padding:34px 30px;border-radius:5px;border:1px solid var(--line);
  position:relative;transition:.28s ease;overflow:hidden;
}
.step::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:.3s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow);background:#fff;border-color:var(--line-gold)}
.step:hover::before{transform:scaleX(1)}
.step .n{font-family:'Cinzel',serif;color:var(--gold);font-size:13px;letter-spacing:.2em;margin-bottom:14px}
.step h4{color:var(--navy);font-size:23px;margin-bottom:8px}
.step p{font-size:15px;color:var(--graphite)}

/* ---------- Why / values ---------- */
.why .grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.why .vlist{display:flex;flex-direction:column;gap:26px}
.value{display:flex;gap:18px;align-items:flex-start}
.value .mark{flex:0 0 auto;width:40px;height:40px;border-radius:50%;border:1px solid var(--line-gold);display:grid;place-items:center;color:var(--gold);font-family:'Cinzel',serif;font-size:15px}
.value h4{font-size:21px;margin-bottom:4px}
.value p{font-size:15.5px}
.why-panel{
  background:#fff;color:var(--graphite);border-radius:6px;padding:46px 42px;
  border:1px solid var(--line-gold);position:relative;overflow:hidden;box-shadow:var(--shadow);
}
.why-panel::after{content:"";position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;border-radius:50%;border:1px solid var(--line-gold)}
.why-panel .eyebrow{color:var(--gold)}
.why-panel h3{color:var(--navy);font-size:30px;margin-bottom:16px}
.why-panel p{color:var(--graphite);font-size:16px;margin-bottom:22px}
.why-panel ul{list-style:none;display:flex;flex-direction:column;gap:13px}
.why-panel li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--navy)}
.why-panel li::before{content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-top:9px}

/* ---------- Regions ---------- */
.regions .chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{border:1px solid var(--line-gold);background:#fff;color:var(--navy);padding:10px 20px;border-radius:40px;font-size:14.5px;letter-spacing:.04em;transition:.22s}
.chip:hover{background:var(--navy);color:var(--ivory);border-color:var(--navy)}

/* ---------- CTA banner ---------- */
.cta{
  position:relative;color:var(--ivory);text-align:center;
  background:
    linear-gradient(rgba(8,20,31,.82),rgba(9,25,39,.82)),
    url('https://images.unsplash.com/photo-1545209463-e2825498edbf?auto=format&fit=crop&w=2200&q=80') center/cover no-repeat,
    linear-gradient(160deg,#0a1d2c,#0C2233);
}
.cta .wrap{padding:96px 28px;position:relative;z-index:2}
.cta h2{color:var(--ivory);font-size:clamp(32px,4.2vw,48px);max-width:18ch;margin:0 auto 16px}
.cta p{color:rgba(246,243,236,.8);max-width:54ch;margin:0 auto 32px;font-size:18px}
.cta .cta-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Contact ---------- */
.contact .grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.contact .info p{margin-bottom:18px;font-size:16px}
.contact .info .label{font-family:'Cinzel',serif;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:3px}
.form{background:#fff;border:1px solid var(--line);border-radius:6px;padding:38px 34px;box-shadow:var(--shadow)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;letter-spacing:.05em;color:var(--navy);margin-bottom:7px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:3px;background:var(--ivory);
  font-family:'Jost',sans-serif;font-size:15px;color:var(--graphite);transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff}
.field textarea{resize:vertical;min-height:110px}
.form .btn{width:100%;justify-content:center;margin-top:6px}
.form .note{font-size:12.5px;color:var(--graphite);opacity:.7;margin-top:14px;text-align:center}

/* ---------- Footer ---------- */
footer.site{background:var(--navy);color:rgba(246,243,236,.75);padding:68px 0 30px}
footer.site .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
footer.site .fbrand img{height:58px;margin-bottom:18px;margin-left:-6px}
footer.site .fbrand p{font-size:14.5px;color:rgba(246,243,236,.6);max-width:30ch}
footer.site h5{font-family:'Cinzel',serif;color:var(--gold-soft);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px;font-weight:600}
footer.site ul{list-style:none;display:flex;flex-direction:column;gap:11px}
footer.site ul a{font-size:14.5px;color:rgba(246,243,236,.72);transition:.2s}
footer.site ul a:hover{color:var(--gold-soft);padding-left:4px}
footer.site .bottom{border-top:1px solid rgba(201,162,75,.18);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(246,243,236,.5)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  nav.main{position:fixed;inset:78px 0 auto 0;background:var(--ivory);flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-150%);transition:.3s;align-items:stretch}
  nav.main.open{transform:none}
  nav.main a{padding:14px 28px;border-bottom:1px solid var(--line)}
  nav.main a::after{display:none}
  nav.main .btn{margin:14px 28px}
  .nav-toggle{display:block}
  .hero .wrap{grid-template-columns:1fr;padding-top:64px;padding-bottom:70px}
  .hero-emblem{order:-1}
  .hero-emblem .ring{width:200px}
  .stats .grid{grid-template-columns:1fr 1fr;gap:38px 20px}
  .stat:nth-child(2)::after{display:none}
  .services .grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .why .grid{grid-template-columns:1fr;gap:40px}
  .contact .grid{grid-template-columns:1fr;gap:36px}
  .form .row{grid-template-columns:1fr}
  footer.site .grid{grid-template-columns:1fr 1fr}
  section.block{padding:68px 0}
}
@media(max-width:540px){
  .stats .grid{grid-template-columns:1fr 1fr}
  footer.site .grid{grid-template-columns:1fr}
  .trust .wrap{justify-content:flex-start;gap:16px}
}