/* ============ RESET & BASE ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
:root{
  --bg:#f4f0e6;
  --bg-2:#ebe4d2;
  --ink:#1b1c17;
  --ink-2:#3a3a2f;
  --muted:#6a6a5a;
  --olive:#3d4a2a;
  --olive-2:#4c5c33;
  --olive-3:#5f7340;
  --cream:#e9dfc4;
  --gold:#c8b479;
  --line:rgba(0,0,0,.08);
  --radius:22px;
  --shadow:0 20px 60px -20px rgba(30,35,10,.35);
  --ease:cubic-bezier(.2,.7,.2,1);
}
body{
  font-family:'Vazirmatn',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.container{width:min(1200px,92%);margin-inline:auto}
h1,h2,h3,h4{line-height:1.25;font-weight:800;color:var(--ink)}
h1{font-size:clamp(2rem,4.8vw,4rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.8rem)}
h3{font-size:1.15rem}
.grad{
  background:linear-gradient(90deg,var(--olive-3),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1.6rem;border-radius:999px;
  font-weight:600;font-size:.95rem;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s,color .3s;
  will-change:transform;
}
.btn:hover{transform:translateY(-3px)}
.btn-primary{background:var(--olive);color:#fff;box-shadow:0 10px 30px -10px rgba(61,74,42,.6)}
.btn-primary:hover{background:var(--olive-2);box-shadow:0 16px 40px -12px rgba(61,74,42,.7)}
.btn-ghost{background:rgba(0,0,0,.06);color:var(--ink)}
.btn-ghost:hover{background:rgba(0,0,0,.1)}
.btn-outline{border:1.5px solid var(--olive);color:var(--olive);background:transparent}
.btn-outline:hover{background:var(--olive);color:#fff}
.btn-outline.sm{padding:.55rem 1.4rem;font-size:.85rem}
.btn-pill{background:var(--olive);color:#fff;padding:.65rem 1.4rem}
.btn-pill:hover{background:var(--olive-2)}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(244,240,230,.75);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,box-shadow .3s;
}
.site-header.scrolled{
  background:rgba(244,240,230,.92);
  border-color:var(--line);
  box-shadow:0 4px 30px -10px rgba(0,0,0,.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:1.1rem 0;gap:1rem;
}
.logo{display:inline-flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.05rem}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--olive),var(--olive-3));
  color:#fff;display:grid;place-items:center;font-weight:900;
  box-shadow:0 6px 18px -6px rgba(61,74,42,.7);
}
.logo-img{height:54px;width:54px;object-fit:contain;display:block;flex:0 0 auto;margin-inline-end:-4px}
.logo-text b{color:var(--olive)}
.logo.light .logo-text,.logo.light{color:#f4f0e6}
.logo.light .logo-text b{color:var(--gold)}

.nav{display:flex;gap:2rem}
.nav a{
  position:relative;font-size:.95rem;color:var(--ink-2);font-weight:500;
  transition:color .25s;
}
.nav a::after{
  content:'';position:absolute;inset-inline:0;bottom:-6px;height:2px;
  background:var(--olive);transform:scaleX(0);transform-origin:right;
  transition:transform .3s var(--ease);
}
.nav a:hover{color:var(--olive)}
.nav a:hover::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:.75rem}
.nav-cta{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.7rem 1.25rem;border-radius:999px;
  background:#14181f;color:#fff;font-weight:700;font-size:.95rem;
  box-shadow:0 10px 24px -12px rgba(0,0,0,.55);
  transition:transform .28s var(--ease),background .28s;
}
.nav-cta .arr{font-weight:800}
.nav-cta:hover{background:#20262f;transform:translateY(-2px)}
.menu-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;padding:0 10px}
.menu-toggle span{display:block;height:2px;background:var(--ink);transition:.3s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ HERO (image slider) ============ */
.hero2{padding:1rem 0 1.5rem}
.hero-slider{
  width:100%;overflow:hidden;border-radius:24px;
  box-shadow:0 34px 80px -50px rgba(20,25,10,.5);
}
.hero-track{
  display:flex;gap:14px;direction:ltr;
  transition:transform .65s var(--ease);
  will-change:transform;
}
.hslide{
  flex:0 0 calc((100% - 28px) / 3);   /* دسکتاپ: ۳ تایی */
  aspect-ratio:3/4;
  border-radius:18px;overflow:hidden;
  background:linear-gradient(135deg,#5f7340,#3d4a2a);
  -webkit-mask-image:-webkit-radial-gradient(#fff,#000); /* Safari radius clip */
}
.hslide img{width:100%;height:100%;object-fit:cover;display:block}

/* دایره‌های کوچک نقطه‌ای (فقط نشانگر — غیرقابل کلیک) */
.hero-dots{
  display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;align-items:center;
  margin-top:1rem;
}
.hdot{
  width:16px;height:16px;border-radius:50%;overflow:hidden;padding:0;display:block;
  border:2px solid transparent;opacity:.45;
  transition:opacity .3s,border-color .3s,transform .3s var(--ease);
  pointer-events:none;               /* کاربر نمی‌تواند انتخاب کند */
}
.hdot img{width:100%;height:100%;object-fit:cover;display:block}
.hdot.on{opacity:1;border-color:var(--olive);transform:scale(1.35)}

/* ============ BADGES ============ */
.badges{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;
  margin:4rem auto;
}
.badge-img{
  min-width:0;
  border-radius:var(--radius);overflow:hidden;
  aspect-ratio:2.3/1;
  transition:transform .4s var(--ease),filter .4s;
  -webkit-mask-image:-webkit-radial-gradient(#fff,#000); /* Safari border-radius clip fix */
  isolation:isolate;
}
.badge-img img{
  width:100%;height:100%;object-fit:cover;object-position:center;display:block;
}
.badge-img:hover{transform:translateY(-6px);filter:brightness(1.03)}

/* ============ CONTENT SELL ============ */
.content-sell{
  display:grid;grid-template-columns:1.4fr 1fr;gap:3rem;align-items:center;
  padding:5rem 0;
}
.cs-text .tag{
  display:inline-block;padding:.4rem 1rem;border-radius:999px;
  background:rgba(61,74,42,.1);color:var(--olive);
  font-size:.85rem;font-weight:600;margin-bottom:1rem;
}
.cs-text h2{margin-bottom:1.2rem;font-size:clamp(2rem,4.5vw,3.4rem)}
.cs-text p{color:var(--muted);margin-bottom:1.8rem;text-align:justify}
.cs-art{color:var(--olive);display:grid;place-items:center}
.cs-art svg{width:min(100%,340px);height:auto}
.cs-art img{width:min(100%,380px);height:auto;object-fit:contain}

/* ============ SERVICES ============ */
.services{padding:4rem 0}
.promo-banner{
  display:block;overflow:hidden;border-radius:28px;
  aspect-ratio:9.8/1;margin-bottom:2.5rem;
  transition:transform .4s var(--ease),filter .4s;
  -webkit-mask-image:-webkit-radial-gradient(#fff,#000); /* Safari border-radius clip fix */
  isolation:isolate;
}
.promo-banner img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;border-radius:28px}
.promo-banner:hover{transform:translateY(-3px);filter:brightness(1.03)}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.service-card{
  min-width:0;
  position:relative;overflow:hidden;display:block;
  aspect-ratio:.8/1;border-radius:var(--radius);
  transition:transform .5s var(--ease),box-shadow .5s;
  box-shadow:0 20px 40px -20px rgba(0,0,0,.25);
  -webkit-mask-image:-webkit-radial-gradient(#fff,#000); /* Safari border-radius clip fix */
  isolation:isolate;
}
.service-card:hover{transform:translateY(-10px);box-shadow:0 30px 60px -20px rgba(0,0,0,.35)}
/* Images have transparent side padding; zoom so the card art fills the cell */
.service-card img{
  position:absolute;top:50%;left:50%;
  width:152%;max-width:none;height:auto;
  transform:translate(-50%,-50%);
  transition:transform .6s var(--ease);
}
.service-card:hover img{transform:translate(-50%,-50%) scale(1.05)}

/* ============ PROJECT CALC ============ */
.project-calc{padding:4rem 0}
.pc-banner{
  display:block;overflow:hidden;border-radius:28px;
  aspect-ratio:10/1;margin-bottom:2.5rem;
  transition:transform .4s var(--ease),filter .4s;
  -webkit-mask-image:-webkit-radial-gradient(#fff,#000); /* Safari border-radius clip fix */
  isolation:isolate;
}
.pc-banner img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;border-radius:28px}
.pc-banner:hover{transform:translateY(-3px);filter:brightness(1.03)}
.pc-body{display:grid;grid-template-columns:1.6fr 1fr;gap:2rem;align-items:center}
.pc-text p{color:var(--muted);margin-bottom:1.2rem;text-align:justify}
.pc-brand{display:grid;place-items:center}
.brand-badge{
  width:min(100%,320px);aspect-ratio:1;
  border-radius:24px;background:#f4f0e6;
  border:2px solid var(--line);
  display:grid;place-items:center;gap:.5rem;
  padding:2rem;color:var(--olive);
  box-shadow:var(--shadow);
  transition:transform .5s var(--ease);
}
.brand-badge:hover{transform:rotate(-3deg) scale(1.03)}
.brand-badge svg{width:70%;height:auto}
.brand-name{text-align:center;font-family:'Playfair Display',serif;font-weight:700}
.brand-name span{font-size:1.6rem;letter-spacing:.15em;display:block}
.brand-name small{letter-spacing:.35em;font-size:.75rem;color:var(--olive-3)}

/* ============ PORTFOLIO ============ */
.portfolio{padding:2rem 0 5rem}
.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.pf-card{
  min-width:0;
  border-radius:18px;overflow:hidden;position:relative;display:block;
  aspect-ratio:4/3;
  transition:transform .5s var(--ease),box-shadow .5s;
  box-shadow:0 15px 30px -15px rgba(0,0,0,.25);
  -webkit-mask-image:-webkit-radial-gradient(#fff,#000); /* Safari border-radius clip fix */
  isolation:isolate;
}
.pf-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 25px 50px -15px rgba(0,0,0,.35)}
.pf-card img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .6s var(--ease);
}
.pf-card:hover img{transform:scale(1.06)}

/* ============ BRANDS ============ */
.brands{padding:4rem 0}
.brands-title{text-align:center;margin-bottom:2.5rem;font-size:clamp(1.05rem,2vw,1.35rem);color:var(--ink-2)}
.brands-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.brand-chip{
  min-width:0;
  aspect-ratio:1.9/1;border-radius:16px;
  background:#fff;
  display:grid;place-items:center;padding:1.2rem 1.4rem;
  transition:transform .4s var(--ease),box-shadow .4s;
  box-shadow:0 10px 25px -14px rgba(0,0,0,.2);
  border:1px solid var(--line);
  cursor:default;
}
.brand-chip:hover{transform:translateY(-4px);box-shadow:0 18px 35px -16px rgba(0,0,0,.28)}
.brand-chip img{
  max-width:100%;max-height:100%;width:auto;height:auto;
  object-fit:contain;
  transition:transform .4s var(--ease);
}
.brand-chip:hover img{transform:scale(1.05)}

/* ============ FOOTER ============ */
.site-footer{
  background:#1b1c17;color:#c9c4b1;padding:3rem 0 2rem;margin-top:3rem;
}
.footer-inner{
  display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:2rem;align-items:center;
}
.foot-brand p{margin-top:.5rem;font-size:.85rem;opacity:.65}
.foot-nav{display:flex;gap:1.6rem;justify-content:center;flex-wrap:wrap}
.foot-nav a{font-size:.95rem;color:#c9c4b1;transition:color .25s}
.foot-nav a:hover{color:var(--gold)}
.foot-social{text-align:left;display:flex;flex-direction:column;gap:.6rem;align-items:flex-end}
.socials{display:flex;gap:.6rem}
.socials a{
  width:36px;height:36px;border-radius:10px;
  background:rgba(255,255,255,.06);display:grid;place-items:center;color:#c9c4b1;
  transition:.3s;
}
.socials a:hover{background:var(--olive);color:#fff;transform:translateY(-2px)}
.socials svg{width:16px;height:16px}
.support{font-size:.85rem;opacity:.75}
.support a{color:var(--gold)}

/* Back to top */
.to-top{
  position:fixed;bottom:1.5rem;left:1.5rem;z-index:60;
  width:46px;height:46px;border-radius:50%;
  background:var(--olive);color:#fff;
  display:grid;place-items:center;
  opacity:0;transform:translateY(20px);pointer-events:none;
  transition:.4s var(--ease);
  box-shadow:0 12px 30px -10px rgba(61,74,42,.6);
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{background:var(--olive-2);transform:translateY(-4px)}
.to-top svg{width:22px;height:22px}

/* ============ REVEAL ANIMATIONS ============ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal.delay-1{transition-delay:.12s}
.reveal.delay-2{transition-delay:.24s}
.reveal.delay-3{transition-delay:.36s}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .content-sell{grid-template-columns:1fr;gap:2rem;text-align:center}
  .cs-text p{text-align:right}
  .services-grid,.portfolio-grid,.brands-grid{grid-template-columns:repeat(2,1fr)}
  .pc-body{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;text-align:center;gap:1.5rem}
  .foot-social{align-items:center}
}
@media (max-width:720px){
  .nav{
    position:fixed;top:70px;right:0;
    width:min(85%,320px);height:calc(100vh - 70px);
    background:rgba(244,240,230,.98);backdrop-filter:blur(20px);
    flex-direction:column;gap:.5rem;padding:2rem;
    transform:translateX(100%);transition:transform .4s var(--ease);
    box-shadow:-10px 0 40px rgba(0,0,0,.1);
    z-index:40;
  }
  .nav.open{transform:translateX(0)}
  .nav a{font-size:1.1rem;padding:.8rem 0;border-bottom:1px solid var(--line);width:100%}
  .menu-toggle{display:flex}
  .hero2{padding:.5rem 0 1rem}
  .hslide{flex:0 0 100%}              /* موبایل: یک عکس در هر نما */
  .hero-track{gap:12px}
  .badges{grid-template-columns:1fr;margin:2.5rem auto}
  .content-sell,.services,.project-calc,.portfolio,.brands{padding:2.5rem 0}
  .services-grid,.portfolio-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}
  .brands-grid{grid-template-columns:repeat(2,1fr)}
  .sc-img{height:150px}
  .services-header,.pc-header{flex-direction:column-reverse;padding:1.2rem;text-align:center}
  .services-header h2,.pc-header h2{text-align:center}
  .to-top{bottom:1rem;left:1rem;width:42px;height:42px}
  .container{width:94%}
  h1{font-size:2.2rem}
}
@media (max-width:400px){
  .services-grid{grid-template-columns:1fr 1fr;gap:.6rem}
  .portfolio-grid{grid-template-columns:1fr 1fr}
  .brands-grid{grid-template-columns:1fr 1fr;gap:.9rem}
}