/* ===== Rochel Limited — shared stylesheet ===== */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --navy:#1F2C5C;
  --navy-deep:#131A3A;
  --navy-line: rgba(255,255,255,0.14);
  --white:#FFFFFF;
  --offwhite:#F4F5F8;
  --ink:#17191F;
  --text-dim:#5B6270;
  --gold:#C08A3E;
  --gold-light:#D9A75C;
  --line: rgba(23,25,31,0.10);
  --font-display:'Sora', 'Inter', sans-serif;
  --font-body:'Inter', -apple-system, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;margin:0;letter-spacing:-0.01em;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 clamp(1.25rem,4vw,3rem);}

/* ===== Header / nav ===== */
.site-header{position:sticky;top:0;z-index:50;background:var(--navy);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;}
.brand{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:var(--white);letter-spacing:0.01em;}
.brand-sub{font-size:.68rem;color:rgba(255,255,255,0.55);letter-spacing:0.04em;margin-top:2px;}
.nav-links{display:flex;gap:2rem;}
.nav-links a{font-size:.95rem;font-weight:500;color:rgba(255,255,255,0.82);padding:.4rem 0;border-bottom:2px solid transparent;transition:color .2s, border-color .2s;}
.nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--white);border-color:var(--gold);}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);margin:5px 0;}
@media (max-width:840px){
  .nav-links{position:absolute;top:76px;left:0;right:0;background:var(--navy);flex-direction:column;gap:0;
    max-height:0;overflow:hidden;transition:max-height .3s ease;border-top:1px solid var(--navy-line);}
  .nav-links.open{max-height:340px;}
  .nav-links a{padding:1rem clamp(1.25rem,4vw,3rem);border-bottom:1px solid var(--navy-line);width:100%;}
  .nav-toggle{display:block;}
}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.7rem;font-family:var(--font-body);font-weight:600;font-size:.95rem;border-radius:2px;border:none;cursor:pointer;transition:background .2s, color .2s, border-color .2s;}
.btn-gold{background:var(--gold);color:var(--white);}
.btn-gold:hover,.btn-gold:focus-visible{background:var(--gold-light);}
.btn-outline{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,0.5);}
.btn-outline:hover,.btn-outline:focus-visible{border-color:var(--white);background:rgba(255,255,255,0.08);}
.btn-outline-dark{background:transparent;color:var(--navy);border:1px solid var(--line);}
.btn-outline-dark:hover{border-color:var(--navy);}

/* ===== Hero (home) ===== */
.hero{position:relative;min-height:86vh;display:flex;align-items:flex-end;background:var(--navy-deep);overflow:hidden;}
.hero-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.4s ease;}
.hero-slide.is-active{opacity:0.55;}
.hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(to top, rgba(19,26,58,0.97) 5%, rgba(19,26,58,0.72) 45%, rgba(19,26,58,0.35) 75%, rgba(19,26,58,0.15) 100%);}
.hero-caption{position:absolute;right:clamp(1.25rem,4vw,3rem);bottom:1.75rem;z-index:2;font-size:.82rem;color:rgba(255,255,255,0.6);}
.hero-content{position:relative;z-index:2;padding:clamp(5rem,12vh,7rem) 0 clamp(3rem,7vh,4.5rem);width:100%;}
.hero-eyebrow{color:var(--gold-light);font-weight:600;font-size:.95rem;margin-bottom:.9rem;}
.hero-content h1{font-size:clamp(2.3rem,5.5vw,4rem);color:var(--white);max-width:16ch;}
.hero-content p{margin-top:1.1rem;font-size:clamp(1rem,1.6vw,1.2rem);color:rgba(255,255,255,0.78);max-width:52ch;}
.hero-actions{margin-top:2rem;display:flex;gap:1rem;flex-wrap:wrap;}

/* ===== Sub-page header (navy band) ===== */
.page-header{background:var(--navy);padding:clamp(3.5rem,9vw,5.5rem) 0 clamp(2.5rem,6vw,3.5rem);}
.page-header h1{color:var(--white);font-size:clamp(2rem,4.5vw,3rem);max-width:18ch;}
.page-header p{margin-top:.9rem;color:rgba(255,255,255,0.72);max-width:56ch;font-size:1.05rem;}

/* ===== Sections ===== */
section{padding:clamp(4rem,9vw,6.5rem) 0;}
.section--alt{background:var(--offwhite);}
.section-head{max-width:680px;margin-bottom:clamp(2.25rem,5vw,3.25rem);}
.section-head h2{font-size:clamp(1.7rem,3.6vw,2.5rem);}
.section-head p{margin-top:.8rem;color:var(--text-dim);font-size:1.05rem;}

/* ===== Stats grid ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.stat-tile{background:var(--white);padding:2rem 1.6rem;}
.stat-icon{width:34px;height:34px;color:var(--gold);margin-bottom:1rem;}
.stat-num{font-family:var(--font-display);font-size:clamp(1.7rem,3vw,2.3rem);color:var(--navy);}
.stat-label{margin-top:.35rem;font-size:.88rem;color:var(--text-dim);}
@media (max-width:760px){.stats-grid{grid-template-columns:repeat(2,1fr);}}

/* ===== Division cards (photo + overlay label, home page) ===== */
.divisions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;}
@media (max-width:760px){.divisions-grid{grid-template-columns:1fr;}}
.division-card{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:2px;display:block;}
.division-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.division-card:hover img{transform:scale(1.05);}
.division-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top, rgba(19,26,58,0.92) 0%, rgba(19,26,58,0.35) 55%, rgba(19,26,58,0.05) 100%);}
.division-card__content{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:1.75rem;}
.division-card__label{color:var(--gold-light);font-size:.85rem;font-weight:600;}
.division-card__title{color:var(--white);font-size:1.4rem;margin-top:.4rem;}
.division-card__link{display:inline-flex;align-items:center;gap:.4rem;color:var(--white);font-size:.85rem;margin-top:.9rem;border-bottom:1px solid var(--gold);padding-bottom:2px;}

/* ===== Timeline (hakkimizda) ===== */
.timeline{position:relative;padding-left:2.6rem;max-width:680px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:1px;background:var(--line);}
.timeline-item{position:relative;padding-bottom:2.8rem;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:attr(data-index);position:absolute;left:-2.6rem;top:0;width:18px;height:18px;border-radius:50%;
  background:var(--white);border:1px solid var(--gold);font-size:.68rem;color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--font-body);font-weight:600;}
.timeline-item h3{font-size:1.3rem;margin-bottom:.4rem;}
.timeline-item p{color:var(--text-dim);max-width:58ch;}
.founder-credit{margin-top:2.6rem;padding-top:1.6rem;border-top:1px solid var(--line);font-size:.95rem;color:var(--text-dim);max-width:680px;}
.founder-credit strong{color:var(--ink);font-weight:600;}
.intro-text{max-width:680px;font-size:1.08rem;color:var(--text-dim);margin-bottom:clamp(2.5rem,6vw,3.5rem);}
.intro-text strong{color:var(--ink);font-weight:600;}

/* Values grid (hakkimizda) */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;}
@media (max-width:760px){.values-grid{grid-template-columns:1fr;}}
.value-card h3{font-size:1.1rem;color:var(--navy);}
.value-card p{margin-top:.6rem;color:var(--text-dim);font-size:.95rem;}
.value-rule{width:32px;height:2px;background:var(--gold);margin-bottom:1rem;}

/* ===== Manifest (ticaret) ===== */
.manifest{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);}
.manifest-row{padding:1.6rem 0;border-bottom:1px solid var(--line);}
.manifest-row:nth-child(odd){padding-right:2rem;}
.manifest-row:nth-child(even){padding-left:2rem;border-left:1px solid var(--line);}
.manifest-row h3{font-size:1.15rem;margin-bottom:.4rem;}
.manifest-row p{font-size:.94rem;color:var(--text-dim);}
@media (max-width:720px){
  .manifest{grid-template-columns:1fr;}
  .manifest-row:nth-child(even){padding-left:0;border-left:none;}
  .manifest-row:nth-child(odd){padding-right:0;}
}

/* ===== Project blocks (projelerimiz) ===== */
.project-block{padding:clamp(2.5rem,6vw,4rem) 0;border-bottom:1px solid var(--line);}
.project-block:last-child{border-bottom:none;}
.project-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(2rem,4vw,3.5rem);align-items:center;}
.project-grid.reverse .project-media{order:2;}
.project-grid.reverse .project-info{order:1;}
@media (max-width:860px){.project-grid{grid-template-columns:1fr;}.project-grid.reverse .project-media{order:1;}.project-grid.reverse .project-info{order:2;}}
.project-media{border-radius:2px;overflow:hidden;}
.project-media-split{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;}
.project-eyebrow{color:var(--gold);font-size:.85rem;font-weight:600;}
.project-info h3{font-size:1.6rem;margin-top:.5rem;}
.project-info p{margin-top:.8rem;color:var(--text-dim);}
.project-figure{margin-top:1.3rem;display:flex;gap:2rem;flex-wrap:wrap;}
.project-figure .num{font-family:var(--font-display);font-size:1.5rem;color:var(--navy);}
.project-figure .lbl{font-size:.82rem;color:var(--text-dim);margin-top:.15rem;}

/* Energy cards */
.energy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;}
@media (max-width:860px){.energy-grid{grid-template-columns:1fr;}}
.energy-card img{aspect-ratio:4/3;object-fit:cover;border-radius:2px;}
.energy-card h3{margin-top:1rem;font-size:1.1rem;}
.energy-card .mw{font-family:var(--font-display);color:var(--gold);font-size:1.3rem;margin-top:.25rem;}

/* Mining feature */
.mining-feature{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(2rem,4vw,3.5rem);align-items:center;}
@media (max-width:860px){.mining-feature{grid-template-columns:1fr;}}
.mining-feature img{border-radius:2px;}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2.5rem,5vw,4rem);}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr;}}
.contact-info h2{font-size:clamp(1.9rem,4vw,2.6rem);}
.contact-info p{margin-top:1rem;color:var(--text-dim);max-width:42ch;}
.contact-line{margin-top:1.75rem;padding-top:1.2rem;border-top:1px solid var(--line);}
.contact-line .lbl{font-size:.82rem;color:var(--text-dim);}
.contact-line .val{font-family:var(--font-display);font-size:1.1rem;margin-top:.2rem;}
form{display:flex;flex-direction:column;gap:1.1rem;}
.field{display:flex;flex-direction:column;gap:.4rem;}
.field label{font-size:.85rem;color:var(--text-dim);}
.field input,.field textarea,.field select{background:var(--offwhite);border:1px solid var(--line);color:var(--ink);font-family:var(--font-body);font-size:1rem;padding:.75rem .9rem;border-radius:2px;}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--gold);}
.submit-btn{align-self:flex-start;margin-top:.4rem;}

/* ===== Footer ===== */
footer{background:var(--navy-deep);color:rgba(255,255,255,0.75);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;padding:clamp(3rem,7vw,4.5rem) 0 2.5rem;}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{color:var(--white);font-family:var(--font-display);font-size:1.2rem;font-weight:700;}
.footer-grid p{margin-top:.9rem;font-size:.92rem;max-width:34ch;}
.footer-col h4{color:var(--white);font-size:.9rem;font-weight:600;margin-bottom:1rem;}
.footer-col a{display:block;font-size:.92rem;padding:.35rem 0;color:rgba(255,255,255,0.7);}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{border-top:1px solid var(--navy-line);padding:1.4rem 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.75rem;font-size:.82rem;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .division-card img{transition:none;}
}