/* ===========================================================
   ELEMENTA v2 — Premium geological design system
   Graphite + Gold, inspired by drillservice.kz structure.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --graphite:#1F2933;
  --graphite-light:#2B3640;
  --graphite-deep:#161D24;
  --gold:#C9A227;
  --gold-dark:#A6831D;
  --white:#FFFFFF;
  --light-gray:#F5F5F5;
  --gray-line:#E2E2E2;
  --ink:#1F2933;
  --ink-soft:#5A6470;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;

  --container:1200px;
}

*{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;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;font-weight:600;letter-spacing:-0.01em;}
p{margin:0;}

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
}

/* =================== HEADER =================== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--graphite);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:78px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand img{height:32px;width:auto;}
.brand-name{
  font-family:var(--font-display);
  color:var(--white);
  font-size:17px;
  font-weight:700;
  letter-spacing:0.04em;
}
.brand-name span{
  display:block;
  font-family:var(--font-body);
  font-weight:400;
  font-size:9.5px;
  letter-spacing:0.1em;
  color:#9AA5AE;
  text-transform:uppercase;
  margin-top:1px;
}

.main-nav{display:flex;align-items:center;gap:22px;}
.main-nav ul{display:flex;gap:18px;}
.main-nav a{
  color:#CBD2D8;
  font-size:13.5px;
  font-weight:500;
  position:relative;
  padding:6px 0;
  transition:color .2s;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--white);}
.main-nav a.active{color:var(--white);}
.main-nav a.active::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--gold);
}
.lang-switch{
  display:flex;
  gap:4px;
  background:rgba(255,255,255,0.06);
  border-radius:4px;
  padding:3px;
}
.lang-switch button{
  background:transparent;
  border:none;
  color:#9AA5AE;
  font-family:var(--font-body);
  font-size:12.5px;
  font-weight:600;
  padding:6px 10px;
  border-radius:3px;
  cursor:pointer;
  transition:all .2s;
}
.lang-switch button.active{
  background:var(--gold);
  color:var(--graphite);
}
.burger{
  display:none;
  background:none;border:none;
  color:var(--white);
  font-size:26px;
  cursor:pointer;
}

@media (max-width:980px){
  .main-nav ul{display:none;}
  .burger{display:block;}
  .main-nav{gap:14px;}
  .lang-switch{display:none;}
}
@media (max-width:480px){
  .brand-name span{display:none;}
  .site-header .wrap{height:64px;}
  .mobile-nav{inset:64px 0 0 0;}
}

.mobile-nav{
  display:none;
  position:fixed;
  inset:78px 0 0 0;
  background:var(--graphite);
  z-index:99;
  padding:24px 32px;
  overflow-y:auto;
}
.mobile-nav.open{display:block;}
.mobile-nav ul{display:flex;flex-direction:column;gap:4px;}
.mobile-nav a{
  display:block;
  color:#CBD2D8;
  font-size:18px;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,0.08);
}

/* =================== BUTTONS =================== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:14.5px;
  padding:14px 30px;
  border-radius:2px;
  cursor:pointer;
  border:1px solid transparent;
  transition:all .2s;
}
.btn-gold{
  background:var(--gold);
  color:var(--graphite);
}
.btn-gold:hover{background:var(--gold-dark);}
.btn-outline{
  background:transparent;
  border:1px solid rgba(255,255,255,0.35);
  color:var(--white);
}
.btn-outline:hover{border-color:var(--white);background:rgba(255,255,255,0.06);}
.btn-dark{
  background:var(--graphite);
  color:var(--white);
}
.btn-dark:hover{background:var(--graphite-light);}
.btn-outline-dark{
  background:transparent;
  border:1px solid var(--graphite);
  color:var(--graphite);
}
.btn-outline-dark:hover{background:var(--graphite);color:var(--white);}

/* =================== HERO (video) =================== */
.hero{
  position:relative;
  height:92vh;
  min-height:560px;
  max-height:880px;
  overflow:hidden;
  background:var(--graphite);
}
.hero video, .hero .hero-img{
  position:absolute;
  top:0;left:0;
  width:100%;height:100%;
  object-fit:cover;
  z-index:1;
}
.hero::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(22,29,36,0.6) 0%, rgba(22,29,36,0.4) 45%, rgba(22,29,36,0.9) 100%);
  z-index:2;
}
.hero-content{
  position:relative;
  z-index:3;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  color:white;
  padding:0 24px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--gold);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  margin-bottom:22px;
}
.hero h1{
  color:var(--white);
  font-size:48px;
  line-height:1.18;
  max-width:820px;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold);
}
.hero p.lead{
  color:#D5DAE0;
  font-size:17px;
  max-width:600px;
  margin-bottom:34px;
  line-height:1.6;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}

@media (max-width:760px){
  .hero h1{font-size:32px;}
  .hero{height:auto;min-height:560px;padding:0;}
  .hero p.lead{font-size:15.5px;}
}

/* =================== HERO — LOUPE VARIANT =================== */
.hero-loupe{
  position:relative;
  min-height:92vh;
  background:radial-gradient(ellipse at 72% 32%, var(--graphite-light) 0%, var(--graphite) 55%, var(--graphite-deep) 100%);
  display:flex;
  align-items:center;
  overflow:hidden;
  padding:90px 0;
}
.hero-loupe-wrap{
  max-width:var(--container);
  margin:0 auto;
  width:100%;
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:60px;
  align-items:center;
  padding:0 32px;
}
.hero-loupe .hero-text{color:var(--white);}
.hero-loupe h1{color:var(--white);}
.hero-loupe h1 em{font-style:normal;color:var(--gold);}
.hero-loupe p.lead{color:#D5DAE0;}
.hero-loupe .hero-actions{justify-content:flex-start;}
.loupe-wrap{
  position:relative;
  display:flex;
  justify-content:center;
  align-items:center;
}
.loupe{
  position:relative;
  width:360px;height:360px;
  border-radius:50%;
  overflow:hidden;
  box-shadow:0 0 0 1px rgba(201,162,39,0.4), 0 0 60px rgba(0,0,0,0.5), 0 30px 80px rgba(0,0,0,0.6);
}
.loupe::after{
  content:'';
  position:absolute;
  inset:0;
  border-radius:50%;
  border:8px solid rgba(255,255,255,0.06);
  box-shadow:inset 0 0 40px rgba(0,0,0,0.5);
}
.loupe video{width:100%;height:100%;object-fit:cover;}
.loupe-ring{
  position:absolute;
  inset:-14px;
  border-radius:50%;
  border:1.5px solid rgba(201,162,39,0.3);
}
@media (max-width:880px){
  .hero-loupe-wrap{grid-template-columns:1fr;text-align:center;gap:40px;}
  .hero-loupe .hero-actions{justify-content:center;}
  .loupe{width:280px;height:280px;}
}
@media (max-width:480px){
  .hero-loupe{padding:60px 0;min-height:auto;}
  .loupe{width:220px;height:220px;}
}

/* =================== SECTION GENERIC =================== */
section{padding:88px 0;}
.section-head{
  max-width:640px;
  margin-bottom:54px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head .eyebrow{color:var(--gold-dark);}
.section-head h2{
  font-size:32px;
  color:var(--graphite);
  line-height:1.22;
}
.section-head p{
  color:var(--ink-soft);
  font-size:16px;
  margin-top:16px;
}
.section-alt{background:var(--light-gray);}
.section-dark{background:var(--graphite);color:var(--white);}
.section-dark .section-head h2{color:var(--white);}
.section-dark .section-head p{color:#C2CAD1;}

@media (max-width:760px){
  section{padding:58px 0;}
  .section-head h2{font-size:26px;}
}

/* =================== ABOUT SPLIT BLOCK (home teaser) =================== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.split img{
  width:100%;
  height:440px;
  object-fit:cover;
}
.split.reverse .img-col{order:2;}
.split.reverse .text-col{order:1;}
.split h2{font-size:30px;color:var(--graphite);margin-bottom:18px;}
.split p{color:var(--ink-soft);font-size:16px;margin-bottom:16px;}
.split ul.checklist{margin-top:20px;}
.split ul.checklist li{
  display:flex;
  gap:12px;
  padding:11px 0;
  border-top:1px solid var(--gray-line);
  color:var(--ink);
  font-size:15px;
}
.split ul.checklist li:first-child{border-top:none;}
.split ul.checklist li::before{
  content:'';
  flex-shrink:0;
  width:7px;height:7px;
  margin-top:8px;
  background:var(--gold);
}

@media (max-width:880px){
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .img-col{order:1;}
  .split.reverse .text-col{order:2;}
  .split img{height:280px;}
}

/* =================== SERVICES GRID =================== */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--gray-line);
  border:1px solid var(--gray-line);
}
.service-card{
  background:var(--white);
  padding:36px 30px;
  transition:background .2s;
}
.service-card:hover{background:var(--light-gray);}
.service-card .num{
  font-family:var(--font-display);
  color:var(--gold-dark);
  font-size:13px;
  font-weight:700;
  letter-spacing:0.06em;
}
.service-card h3{
  color:var(--graphite);
  font-size:18.5px;
  margin:14px 0 12px;
  line-height:1.35;
}
.service-card p{
  color:var(--ink-soft);
  font-size:14.5px;
}
.service-card a.more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  color:var(--graphite);
  font-weight:600;
  font-size:14px;
  border-bottom:1px solid var(--gold);
  padding-bottom:2px;
}
.service-card a.more:hover{color:var(--gold-dark);}

@media (max-width:900px){
  .services-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:600px){
  .services-grid{grid-template-columns:1fr;}
}

/* =================== STATS BAND =================== */
.stats-band{
  background:var(--graphite);
  padding:60px 0;
}
.stats-band .grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:24px;
  text-align:center;
}
.stats-band .num{
  font-family:var(--font-display);
  color:var(--gold);
  font-size:36px;
  font-weight:700;
}
.stats-band .lbl{
  color:#C2CAD1;
  font-size:13px;
  margin-top:8px;
}
@media (max-width:880px){
  .stats-band .grid{grid-template-columns:repeat(2,1fr);row-gap:30px;}
}

/* =================== VALUE / WHY CARDS =================== */
.value-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--gray-line);
  border:1px solid var(--gray-line);
}
.value-card{
  background:var(--white);
  padding:32px 26px;
}
.value-card h4{
  color:var(--graphite);
  font-size:17.5px;
  margin-bottom:10px;
}
.value-card p{color:var(--ink-soft);font-size:14.5px;}
.value-card .mark{
  width:38px;height:3px;
  background:var(--gold);
  margin-bottom:20px;
}
@media (max-width:880px){
  .value-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:560px){
  .value-grid{grid-template-columns:1fr;}
}

/* =================== NEWS CARDS =================== */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.news-card{
  background:var(--white);
  border:1px solid var(--gray-line);
  display:flex;
  flex-direction:column;
}
.news-card .news-img{
  height:200px;
  overflow:hidden;
}
.news-card .news-img img{
  width:100%;height:100%;object-fit:cover;
}
.news-card .news-body{padding:24px 24px 28px;}
.news-card .date{
  color:var(--gold-dark);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:0.06em;
  text-transform:uppercase;
}
.news-card h4{color:var(--graphite);font-size:17px;margin:10px 0 10px;line-height:1.4;}
.news-card p{color:var(--ink-soft);font-size:14px;}
@media (max-width:880px){.news-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.news-grid{grid-template-columns:1fr;}}

/* =================== PARTNERS BAND =================== */
.partners-band{
  background:var(--light-gray);
  padding:46px 0;
}
.partners-band .label{
  text-align:center;
  color:var(--ink-soft);
  font-size:13px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  margin-bottom:26px;
}
.partners-row{
  display:flex;
  justify-content:center;
  gap:46px;
  flex-wrap:wrap;
  color:var(--graphite);
  font-family:var(--font-display);
  font-weight:600;
  font-size:16.5px;
  opacity:0.8;
}

/* =================== TIMELINE =================== */
.timeline{border-left:2px solid var(--gray-line);margin-left:8px;}
.timeline li{
  position:relative;
  padding:0 0 36px 32px;
  list-style:none;
}
.timeline li::before{
  content:'';
  position:absolute;
  left:-7px;top:2px;
  width:12px;height:12px;
  background:var(--gold);
  border-radius:50%;
}
.timeline .when{
  color:var(--gold-dark);
  font-weight:700;
  font-size:13px;
  letter-spacing:0.06em;
  text-transform:uppercase;
}
.timeline h4{color:var(--graphite);font-size:18px;margin:6px 0 8px;}
.timeline p{color:var(--ink-soft);font-size:15px;}

/* =================== CTA BAND =================== */
.cta-band{
  background:var(--graphite);
  padding:68px 0;
  text-align:center;
}
.cta-band h2{color:var(--white);font-size:29px;margin-bottom:16px;}
.cta-band p{color:#C2CAD1;font-size:16px;max-width:520px;margin:0 auto 30px;}
.cta-band .hero-actions{justify-content:center;}

/* =================== FOOTER =================== */
.site-footer{
  background:var(--graphite-deep);
  color:#9AA5AE;
  padding:60px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-grid h5{
  color:var(--white);
  font-family:var(--font-body);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:0.05em;
  text-transform:uppercase;
  margin-bottom:18px;
}
.footer-grid p{font-size:14px;line-height:1.7;}
.footer-grid ul li{padding:7px 0;}
.footer-grid ul a{font-size:14px;transition:color .2s;}
.footer-grid ul a:hover{color:var(--white);}
.footer-brand .brand{margin-bottom:16px;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:24px;
  font-size:12.5px;
  color:#6E7882;
  flex-wrap:wrap;
  gap:12px;
}

/* =================== SOCIAL ICONS (footer) =================== */
.footer-social{
  display:flex;
  gap:10px;
  margin-top:18px;
}
.footer-social a{
  width:38px;height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,0.06);
  border-radius:50%;
  color:#C2CAD1;
  transition:background .2s, color .2s;
}
.footer-social a:hover{
  background:var(--gold);
  color:var(--graphite);
}
.footer-social svg{width:18px;height:18px;fill:currentColor;}

/* =================== FLOATING WHATSAPP BUTTON =================== */
.whatsapp-float{
  position:fixed;
  bottom:26px;
  right:26px;
  width:58px;height:58px;
  background:#25D366;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 18px rgba(0,0,0,0.3);
  z-index:200;
  transition:transform .2s;
}
.whatsapp-float:hover{transform:scale(1.08);}
.whatsapp-float svg{width:30px;height:30px;fill:#ffffff;}
@media (max-width:600px){
  .whatsapp-float{width:52px;height:52px;bottom:18px;right:18px;}
  .whatsapp-float svg{width:26px;height:26px;}
}
@media (max-width:880px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* =================== PAGE HERO (inner pages, no video) =================== */
.page-hero{
  background:var(--graphite);
  padding:54px 0 50px;
  position:relative;
  overflow:hidden;
}
.page-hero .wrap{position:relative;z-index:2;}
.breadcrumb{
  color:#9AA5AE;
  font-size:13.5px;
  margin-bottom:16px;
}
.breadcrumb a:hover{color:var(--white);}
.page-hero h1{color:var(--white);font-size:34px;max-width:680px;}
.page-hero p{color:#C2CAD1;margin-top:14px;max-width:600px;font-size:15.5px;}

/* =================== FORM =================== */
.form-card{
  background:var(--white);
  border:1px solid var(--gray-line);
  padding:40px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.form-group{display:flex;flex-direction:column;gap:7px;}
.form-group.full{grid-column:1/-1;}
.form-group label{font-size:13.5px;font-weight:600;color:var(--graphite);}
.form-group input,.form-group select,.form-group textarea{
  border:1px solid var(--gray-line);
  padding:12px 14px;
  font-family:var(--font-body);
  font-size:14.5px;
  border-radius:2px;
  background:var(--light-gray);
  color:var(--ink);
}
.form-group textarea{resize:vertical;min-height:110px;}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:2px solid var(--gold);
  outline-offset:1px;
  background:var(--white);
}
@media (max-width:600px){
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:26px;}
}

/* =================== CONTACT INFO =================== */
.contact-info{display:flex;flex-direction:column;gap:0;}
.contact-info .item{
  display:flex;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--gray-line);
}
.contact-info .item:first-child{padding-top:0;}
.contact-info .icon{
  width:42px;height:42px;flex-shrink:0;
  background:var(--graphite);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);
  font-weight:700;
  font-family:var(--font-display);
}
.contact-info h5{color:var(--graphite);font-size:15px;margin-bottom:4px;}
.contact-info p{color:var(--ink-soft);font-size:14.5px;}
.contact-info a{color:var(--ink-soft);}
.contact-info a:hover{color:var(--gold-dark);}

/* =================== DOC / LICENSE CARDS =================== */
.doc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.doc-card{
  background:var(--white);
  border:1px solid var(--gray-line);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.doc-card .tag{
  align-self:flex-start;
  background:var(--light-gray);
  color:var(--graphite);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:0.05em;
  text-transform:uppercase;
  padding:5px 10px;
  border-radius:2px;
}
.doc-card h4{color:var(--graphite);font-size:16.5px;}
.doc-card p{color:var(--ink-soft);font-size:14px;}
.doc-card .meta{font-size:13px;color:var(--ink-soft);border-top:1px solid var(--gray-line);padding-top:12px;margin-top:auto;}
@media (max-width:880px){.doc-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.doc-grid{grid-template-columns:1fr;}}

/* =================== PROCESS STEPS =================== */
.process-steps{display:flex;flex-direction:column;gap:0;}
.process-step{
  display:grid;
  grid-template-columns:90px 1fr;
  gap:28px;
  padding:34px 0;
  border-top:1px solid var(--gray-line);
}
.process-step:first-child{border-top:none;padding-top:0;}
.process-step .step-num{
  font-family:var(--font-display);
  font-size:34px;
  font-weight:700;
  color:var(--gray-line);
}
.process-step h4{color:var(--graphite);font-size:19px;margin-bottom:8px;}
.process-step p{color:var(--ink-soft);font-size:15px;}
@media (max-width:600px){
  .process-step{grid-template-columns:50px 1fr;}
  .process-step .step-num{font-size:24px;}
}

/* =================== SAFETY CHECKLIST (icons row) =================== */
.safety-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--gray-line);
  border:1px solid var(--gray-line);
}
.safety-card{
  background:var(--white);
  padding:30px 28px;
  display:flex;
  gap:20px;
}
.safety-card .num-badge{
  flex-shrink:0;
  width:46px;height:46px;
  background:var(--graphite);
  color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);
  font-weight:700;
  font-size:16px;
}
.safety-card h4{color:var(--graphite);font-size:16.5px;margin-bottom:8px;}
.safety-card p{color:var(--ink-soft);font-size:14.5px;}
@media (max-width:700px){
  .safety-grid{grid-template-columns:1fr;}
}

/* =================== UTILS =================== */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.tag-pill{
  background:var(--light-gray);
  color:var(--graphite);
  font-size:13px;
  font-weight:600;
  padding:7px 14px;
  border-radius:2px;
}