/* ===== PVL Export — Digital Business Card =====
   Palette: dark charcoal + metallic silver/steel (from silver mockup),
   brushed gold reserved for the "cut" micro-accent only. */

:root{
  --bg:        #17191d;
  --bg-deep:   #101215;
  --surface:   #1f2227;
  --surface-2: #262a30;
  --border:    rgba(255,255,255,.08);
  --text:      #d9dbdf;
  --muted:     #8d929a;
  --silver-hi: #eef0f3;
  --silver:    #b9bec6;
  --silver-lo: #7d838c;
  --gold:      #b08d57;
  --metal-grad: linear-gradient(135deg,#f4f5f7 0%,#c3c8cf 28%,#8b9099 50%,#d9dce1 72%,#9aa0a8 100%);
  --radius: 18px;
  --font-latin: 'Montserrat', sans-serif;
  --font-arabic: 'Vazirmatn', 'Montserrat', sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-arabic);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
html[lang="en"] body, html[lang="tr"] body{font-family:var(--font-latin)}
.ltr-force{direction:ltr;unicode-bidi:embed}

/* Metallic text */
.metallic{
  background:var(--metal-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ===== Top bar ===== */
.topbar{
  position:fixed;inset-inline:0;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px clamp(16px,4vw,48px);
  background:rgba(16,18,21,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-logo{width:34px;height:34px;border-radius:7px;object-fit:cover}
.brand-name{
  font-family:var(--font-latin);font-weight:700;font-size:.95rem;letter-spacing:.22em;
  background:var(--metal-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav{display:flex;gap:clamp(14px,3vw,32px)}
.nav a{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .25s}
.nav a:hover{color:var(--silver-hi)}
.lang-switch{display:flex;gap:4px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:3px}
.lang-switch button{
  font-family:var(--font-latin);font-size:.72rem;font-weight:600;letter-spacing:.05em;
  color:var(--muted);background:none;border:0;border-radius:999px;
  padding:6px 10px;cursor:pointer;transition:all .25s;
}
.lang-switch button.active{background:var(--metal-grad);color:#15171a}
.lang-switch button:not(.active):hover{color:var(--silver-hi)}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:center;justify-content:center;
  text-align:center;padding:110px 20px 80px;
  isolation:isolate;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background:url('assets/hero.jpg') center/cover no-repeat;
  filter:brightness(.9) saturate(.85);
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(23,25,29,.55) 0%, rgba(16,18,21,.9) 75%),
    linear-gradient(to bottom, rgba(16,18,21,.65), rgba(23,25,29,.55) 45%, var(--bg) 98%);
}

/* THE CUT — diagonal silver blade sweeping across the hero on load */
.cut-line{
  position:absolute;z-index:-1;top:-20%;height:140%;width:3px;
  left:-10%;transform:rotate(18deg);
  background:linear-gradient(to bottom, transparent, var(--silver-hi) 30%, var(--gold) 50%, var(--silver-hi) 70%, transparent);
  box-shadow:0 0 22px rgba(238,240,243,.55), 0 0 60px rgba(176,141,87,.35);
  animation:cutSweep 1.6s cubic-bezier(.65,0,.25,1) .3s forwards;
  opacity:0;
}
@keyframes cutSweep{
  0%{left:-10%;opacity:0}
  12%{opacity:1}
  88%{opacity:1}
  100%{left:110%;opacity:0}
}

.hero-content{max-width:720px;display:flex;flex-direction:column;align-items:center}
.hero-content > *{opacity:0;transform:translateY(18px);animation:riseIn .8s ease forwards}
.hero-logo{width:clamp(84px,18vw,120px);border-radius:16px;box-shadow:0 18px 50px rgba(0,0,0,.55);animation-delay:.9s}
.hero-title{
  font-family:var(--font-latin);font-weight:800;
  font-size:clamp(1.7rem,7.2vw,4rem);letter-spacing:.14em;
  margin-top:26px;animation-delay:1.05s;
  white-space:nowrap;
}
@media (min-width:640px){.hero-title{letter-spacing:.24em}}
.hero-tagline{
  font-size:clamp(.82rem,2.6vw,1.02rem);letter-spacing:.12em;
  color:var(--silver);margin-top:12px;animation-delay:1.2s;
}
.hero-divider{
  width:64px;height:2px;margin:26px 0;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  animation-delay:1.3s;
}
.hero-intro{
  font-size:clamp(.95rem,2.8vw,1.08rem);line-height:1.9;color:var(--text);
  max-width:600px;animation-delay:1.4s;
}
.value-props{
  display:flex;flex-wrap:wrap;gap:10px 8px;justify-content:center;
  margin-top:28px;max-width:560px;animation-delay:1.48s;
}
.vp-item{
  display:flex;align-items:center;gap:8px;
  font-size:.78rem;color:var(--silver);white-space:nowrap;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:999px;padding:8px 16px;backdrop-filter:blur(6px);
}
.vp-icon{color:var(--gold);display:flex}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;animation-delay:1.6s}
@keyframes riseIn{to{opacity:1;transform:none}}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:inherit;font-size:.95rem;font-weight:600;
  padding:14px 26px;border-radius:999px;cursor:pointer;
  text-decoration:none;transition:transform .25s, box-shadow .25s, background .25s;
  border:0;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  background:var(--metal-grad);color:#15171a;
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(0,0,0,.55)}
.btn-outline{
  background:rgba(255,255,255,.04);color:var(--silver-hi);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
}
.btn-outline:hover{border-color:var(--silver-hi);transform:translateY(-2px)}

.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  width:24px;height:40px;border:2px solid rgba(255,255,255,.25);border-radius:14px;
}
.scroll-hint span{
  position:absolute;top:7px;left:50%;width:4px;height:8px;margin-left:-2px;
  background:var(--silver);border-radius:2px;
  animation:scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot{0%,100%{transform:translateY(0);opacity:1}60%{transform:translateY(14px);opacity:0}}

/* ===== Sections ===== */
section{padding:clamp(64px,10vw,110px) clamp(16px,4vw,48px)}
.section-kicker{
  text-align:center;font-family:var(--font-latin);
  font-size:.72rem;font-weight:600;letter-spacing:.35em;text-transform:uppercase;
  color:var(--gold);margin-bottom:12px;
}
.section-title{
  text-align:center;font-weight:800;
  font-size:clamp(1.5rem,5vw,2.4rem);letter-spacing:.02em;
  margin-bottom:12px;
}
html[lang="en"] .section-title, html[lang="tr"] .section-title{letter-spacing:.08em}
.section-sub{text-align:center;color:var(--muted);font-size:.95rem;margin-bottom:44px}

/* ===== Stones slider ===== */
.stones{background:var(--bg-deep)}
.slider-wrap{position:relative;max-width:1100px;margin:0 auto}
.slider{
  display:flex;gap:18px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:24px 8px 34px;
  direction:ltr; /* keep card order stable across RTL/LTR */
  scrollbar-width:none;
}
.slider::-webkit-scrollbar{display:none}
.stone-card{
  flex:0 0 min(74vw,300px);
  scroll-snap-align:center;
  transform:scale(.9);opacity:.55;
  transition:transform .45s ease, opacity .45s ease;
}
.stone-card.active{transform:scale(1);opacity:1}
.stone-img{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:3/4;background:#2c2f35;
  border:1px solid var(--border);
  transition:box-shadow .45s ease, border-color .45s ease;
}
.stone-card.active .stone-img{
  border-color:rgba(238,240,243,.22);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.stone-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s ease}
.stone-card.active .stone-img img{transform:scale(1.05)}
.stone-code{
  position:absolute;top:12px;inset-inline-start:12px;z-index:2;
  font-family:var(--font-latin);font-size:.66rem;font-weight:700;letter-spacing:.14em;
  color:var(--silver-hi);background:rgba(16,18,21,.55);backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:4px 11px;
}
.stone-overlay{
  position:absolute;inset-inline:0;bottom:0;z-index:1;
  padding:38px 16px 16px;
  background:linear-gradient(to top, rgba(10,11,13,.92) 8%, rgba(10,11,13,.55) 45%, transparent 100%);
}
.stone-overlay h3{font-size:1.05rem;font-weight:700;color:var(--silver-hi)}
.stone-cat{
  display:inline-block;margin-top:8px;
  font-size:.7rem;letter-spacing:.14em;color:var(--gold);
  border:1px solid rgba(176,141,87,.4);border-radius:999px;padding:3px 11px;
  background:rgba(16,18,21,.4);
}
.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:42px;height:42px;border-radius:50%;
  background:rgba(31,34,39,.85);color:var(--silver-hi);
  border:1px solid var(--border);cursor:pointer;font-size:1rem;
  backdrop-filter:blur(6px);transition:all .25s;
  display:flex;align-items:center;justify-content:center;
}
.slider-arrow:hover{background:var(--surface-2);border-color:var(--silver-lo)}
.slider-arrow.prev{left:-8px}
.slider-arrow.next{right:-8px}
.slider-dots{display:flex;justify-content:center;gap:8px;margin-top:6px}
.slider-dots button{
  width:8px;height:8px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(255,255,255,.18);transition:all .3s;
}
.slider-dots button.active{background:var(--gold);transform:scale(1.3)}
.btn-catalog{margin:38px auto 0;display:flex;width:fit-content}

/* ===== Contact grid ===== */
.contact-grid{
  display:grid;gap:16px;max-width:860px;margin:0 auto;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}
.contact-card{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px 18px;
  text-decoration:none;color:var(--text);cursor:pointer;
  font-family:inherit;font-size:1rem;text-align:center;
  transition:transform .3s, border-color .3s, box-shadow .3s;
}
.contact-card:hover{
  transform:translateY(-4px);
  border-color:rgba(238,240,243,.25);
  box-shadow:0 18px 44px rgba(0,0,0,.45);
}
.contact-card.static{cursor:default}
.contact-card.static:hover{transform:none;box-shadow:none;border-color:var(--border)}
.cc-icon{
  width:58px;height:58px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#2b2f35,#1a1d21);
  border:1px solid rgba(255,255,255,.1);
  color:var(--silver-hi);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08), 0 8px 20px rgba(0,0,0,.35);
}
.cc-label{font-weight:700;color:var(--silver-hi);margin-top:4px}
.cc-sub{font-size:.82rem;color:var(--muted);line-height:1.6}

/* ===== Footer ===== */
.footer{
  text-align:center;padding:56px 20px 40px;
  background:var(--bg-deep);border-top:1px solid var(--border);
}
.footer-logo{width:56px;border-radius:12px;margin-bottom:16px}
.footer-tagline{
  font-family:var(--font-latin);font-size:.7rem;font-weight:600;
  letter-spacing:.3em;color:var(--silver-lo);
}
.footer-social{display:flex;justify-content:center;gap:18px;margin:22px 0}
.footer-social a{
  color:var(--muted);transition:color .25s, transform .25s;
  display:flex;padding:8px;
}
.footer-social a:hover{color:var(--silver-hi);transform:translateY(-2px)}
.footer-copy{font-size:.78rem;color:var(--muted)}

/* ===== Mobile ===== */
@media (max-width:640px){
  .nav{display:none}
  .brand-name{display:none}
  .slider-arrow{display:none}
  .hero{padding-top:96px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .hero-content > *{opacity:1;transform:none}
}