/* ============================================================
   XTI Development — site stylesheet
   ============================================================ */

:root{
  --bg:            #060605;
  --bg-alt:        #0d0c0a;
  --bg-card:       #121110;
  --line:          rgba(201,162,75,0.22);
  --gold:          #c9a24b;
  --gold-light:    #e9cf8d;
  --gold-soft:     rgba(201,162,75,0.12);
  --text:          #efece4;
  --text-dim:      #b9b3a4;
  --text-faint:    #85806f;
  --radius:        18px;
  --radius-sm:     10px;
  --maxw:          1180px;
  --serif-head:    "Poppins", "Segoe UI", sans-serif;
  --sans-body:     "Inter", "Segoe UI", sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }

a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{
  font-family:var(--serif-head);
  font-weight:600;
  line-height:1.18;
  margin:0 0 .6em;
  color:var(--gold-light);
  letter-spacing:.2px;
}

h1{ font-size:clamp(2.1rem,4.4vw,3.4rem); font-weight:700; }
h2{ font-size:clamp(1.7rem,3.2vw,2.5rem); font-weight:700; }
h3{ font-size:1.25rem; }

p{ margin:0 0 1.1em; color:var(--text-dim); }

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  display:inline-block;
  font-family:var(--sans-body);
  font-size:.78rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:14px;
  font-weight:600;
}

/* ---------------- header ---------------- */

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(6,6,5,0.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}

.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:78px;
  gap:18px;
}

.brand img{ height:34px; width:auto; }

.main-nav{
  display:flex;
  align-items:center;
  gap:34px;
}

.main-nav a{
  font-size:.92rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--text-dim);
  font-weight:600;
  transition:color .2s ease;
  white-space:nowrap;
}

.main-nav a:hover{ color:var(--gold-light); }

.header-right{
  display:flex;
  align-items:center;
  gap:22px;
}

.lang-switch{
  display:flex;
  align-items:center;
  gap:4px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px;
}

.lang-switch a{
  font-size:.76rem;
  font-weight:700;
  letter-spacing:.04em;
  padding:6px 11px;
  border-radius:999px;
  color:var(--text-faint);
  transition:all .2s ease;
}

.lang-switch a.active{
  background:var(--gold);
  color:#141208;
}

.lang-switch a:not(.active):hover{ color:var(--gold-light); }

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line);
  border-radius:8px;
  width:42px;
  height:42px;
  color:var(--gold-light);
  font-size:1.3rem;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

/* ---------------- hero ---------------- */

.hero{
  position:relative;
  padding:140px 0 110px;
  overflow:hidden;
  background:#000 url("../img/hero-globe.jpg") center 30% / cover no-repeat;
  border-bottom:1px solid var(--line);
}

.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(100deg, rgba(6,6,5,0.94) 0%, rgba(6,6,5,0.82) 38%, rgba(6,6,5,0.45) 68%, rgba(6,6,5,0.2) 100%),
    linear-gradient(0deg, rgba(6,6,5,0.9) 0%, transparent 34%);
  pointer-events:none;
}

.hero .container{ position:relative; z-index:1; max-width:760px; }

/* Driving Change — text + photo */

.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}

.split-media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3.1;
}

.split-media img{ width:100%; height:100%; object-fit:cover; display:block; }

.hero .tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.78rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gold);
  border:1px solid var(--line);
  padding:8px 16px;
  border-radius:999px;
  margin-bottom:26px;
}

.hero h1{ margin-bottom:22px; }

.hero p.lead{
  font-size:1.14rem;
  color:var(--text-dim);
  max-width:560px;
}

.page-hero{
  padding:74px 0 56px;
}

.page-hero .eyebrow{ display:block; }

.breadcrumb{
  font-size:.85rem;
  color:var(--text-faint);
  margin-bottom:20px;
}

.breadcrumb a{ color:var(--gold); }

.breadcrumb span{ margin:0 8px; opacity:.5; }

/* ---------------- sections ---------------- */

section{ padding:88px 0; }

.section-alt{ background:var(--bg-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

.section-head{ max-width:680px; margin-bottom:52px; }

.section-head p{ font-size:1.05rem; }

/* Vision / Mission */

.vm-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  max-width:980px;
}

.vm-card{
  border-left:2px solid var(--gold);
  padding-left:24px;
}

.vm-card h3{
  color:var(--gold);
  font-family:var(--sans-body);
  font-size:.85rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  margin-bottom:14px;
}

.vm-card p{ color:var(--text); font-size:1.02rem; }

/* Portfolio cards */

.portfolio-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}

.portfolio-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 30px 26px;
  transition:transform .25s ease, border-color .25s ease, background .25s ease;
}

.portfolio-card:hover{
  transform:translateY(-4px);
  border-color:var(--gold);
  background:#161410;
}

.portfolio-card .icon{
  width:46px; height:46px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  color:var(--gold);
  margin-bottom:6px;
}

.portfolio-card h3{
  color:var(--gold-light);
  font-size:1.22rem;
  margin-bottom:2px;
}

.portfolio-card .tagline{
  color:var(--gold);
  font-size:.76rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:700;
  margin-bottom:6px;
}

.portfolio-card p{ font-size:.94rem; margin-bottom:14px; flex-grow:1; }

.card-link{
  align-self:flex-start;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--gold-light);
  border-bottom:1px solid var(--gold);
  padding-bottom:3px;
}

.card-link:hover{ color:var(--gold); }

/* Board / people */

.people-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:8px;
}

.person-card{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:20px;
}

.avatar{
  width:56px; height:56px;
  border-radius:50%;
  flex:none;
  background:linear-gradient(140deg, var(--gold) 0%, #7a5f22 100%);
  color:#141208;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--serif-head);
  font-weight:700;
  font-size:1.05rem;
  overflow:hidden;
  border:1px solid var(--line);
}

.avatar img{ width:100%; height:100%; object-fit:cover; display:block; }

.contact-avatar{
  width:64px; height:64px;
  border-radius:50%;
  flex:none;
  overflow:hidden;
  border:1px solid var(--line);
  margin-bottom:14px;
}

.contact-avatar img{ width:100%; height:100%; object-fit:cover; display:block; }

.page-contact-card{ display:flex; flex-direction:column; }
.page-contact-card .who{ display:flex; align-items:center; gap:14px; }
.page-contact-card .who .contact-avatar{ margin-bottom:0; }

.person-card .name{ color:var(--text); font-weight:600; font-size:.98rem; margin-bottom:3px; }

.person-card a.mail{ color:var(--gold); font-size:.86rem; word-break:break-all; }

.person-card a.mail:hover{ color:var(--gold-light); }

/* Contact / get in touch */

.contact-wrap{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:50px;
  align-items:start;
}

.contact-box{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px;
}

.contact-box h3{ margin-bottom:10px; }

.contact-box .addr{
  margin-top:22px;
  padding-top:22px;
  border-top:1px solid var(--line);
  color:var(--text-dim);
  font-size:.95rem;
}

.contact-box .addr strong{ display:block; color:var(--text); margin-bottom:6px; }

.contact-box .btn{ margin-top:20px; }

.btn{
  display:inline-block;
  background:var(--gold);
  color:#141208;
  font-weight:700;
  font-size:.86rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  padding:13px 26px;
  border-radius:999px;
  transition:background .2s ease, transform .2s ease;
}

.btn:hover{ background:var(--gold-light); transform:translateY(-1px); }

.btn-outline{
  background:none;
  border:1px solid var(--gold);
  color:var(--gold-light);
}

.btn-outline:hover{ background:var(--gold-soft); }

/* article / long-form pages */

.article-body h2{
  font-size:1.32rem;
  color:var(--gold-light);
  margin-top:2.1em;
}

.article-body h2:first-child{ margin-top:0; }

.article-body p{ font-size:1.02rem; max-width:760px; }

.article-body .note{
  font-size:.92rem;
  color:var(--text-faint);
  font-style:italic;
  border-left:2px solid var(--line);
  padding-left:16px;
  margin:1.6em 0;
  max-width:760px;
}

.stat-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin:2.4em 0 2.6em;
  max-width:900px;
}

.stat{
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:22px 20px;
  background:var(--bg-card);
}

.stat .num{
  font-family:var(--serif-head);
  color:var(--gold);
  font-size:1.7rem;
  font-weight:700;
  display:block;
  margin-bottom:4px;
}

.stat .lbl{ font-size:.84rem; color:var(--text-faint); }

.feature-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin:2em 0;
  max-width:900px;
}

.feature-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:18px 20px;
  background:var(--bg-card);
}

.feature-item .dot{
  flex:none;
  width:10px; height:10px;
  border-radius:50%;
  background:var(--gold);
  margin-top:7px;
}

.feature-item .txt strong{ display:block; color:var(--text); margin-bottom:3px; font-size:.96rem; }

.feature-item .txt span{ color:var(--text-faint); font-size:.86rem; }

.photo-gallery{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
  margin:2em 0;
  max-width:920px;
}

.photo-gallery figure{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--bg-card);
}

.photo-gallery img{
  width:100%;
  height:220px;
  object-fit:cover;
  display:block;
}

.photo-gallery figcaption{
  padding:14px 18px 18px;
  font-size:.86rem;
  color:var(--text-dim);
}

.photo-gallery figcaption strong{ display:block; color:var(--text); font-size:.94rem; margin-bottom:3px; }

.photo-gallery .wide{ grid-column:1 / -1; }

.photo-gallery .wide img{ height:280px; }

.page-contact-card{
  margin-top:2.6em;
  max-width:420px;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
}

.page-contact-card .eyebrow{ margin-bottom:10px; }

/* footer */

.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:56px 0 28px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:36px;
  padding-bottom:34px;
}

.footer-grid img{ height:30px; margin-bottom:14px; }

.footer-grid p{ font-size:.9rem; max-width:320px; }

.footer-col h4{
  font-family:var(--sans-body);
  font-size:.8rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:16px;
}

.footer-col a, .footer-col span{
  display:block;
  font-size:.92rem;
  color:var(--text-dim);
  margin-bottom:10px;
}

.footer-col a:hover{ color:var(--gold-light); }

.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  padding-top:26px;
  border-top:1px solid var(--line);
  font-size:.82rem;
  color:var(--text-faint);
}

.footer-bottom .lang-switch a{ color:var(--text-faint); }

.back-home{
  display:inline-block;
  margin-top:8px;
  font-size:.85rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:700;
}

.back-home:hover{ color:var(--gold-light); }

/* ---------------- responsive ---------------- */

@media (max-width:900px){
  .vm-grid, .portfolio-grid, .people-grid, .feature-list, .stat-row, .photo-gallery, .split{ grid-template-columns:1fr; }
  .contact-wrap{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .header-right .lang-switch{ order:2; }
  .split{ gap:32px; }
  .split-media{ order:-1; }
}

@media (max-width:900px){
  .main-nav.open{
    display:flex;
    flex-direction:column;
    position:absolute;
    top:78px; left:0; right:0;
    background:var(--bg);
    border-bottom:1px solid var(--line);
    padding:18px 28px 26px;
    gap:18px;
  }
}

@media (max-width:560px){
  .hero{ padding:80px 0 60px; }
  section{ padding:64px 0; }
}