/* =========================================================
   HIME — استایل‌شیت اصلی
   پالت رنگی: چوب تیره‌سوخته + رزین مشکی + طلایی برنزی
   فونت: وزیرمتن (Vazirmatn)
   المان امضا: «خط درز» (Seam) — خط موج‌دار طلایی که استعاره‌ی
   خط رزینی میان برش‌های چوب است و در سراسر سایت تکرار می‌شود.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');

:root{
  /* --- رنگ‌ها --- */
  --bg-primary:   #1a1512;   /* چوب سوخته تیره */
  --bg-secondary: #211b16;   /* لایه دوم */
  --bg-elevated:  #2b241d;   /* کارت‌ها */
  --resin:        #0c0a09;   /* مشکی رزین */
  --gold:         #c9a568;   /* طلایی برنزی - رنگ اصلی برند */
  --gold-soft:    #a88a5c;
  --gold-dim:     rgba(201,165,104,0.16);
  --cream:        #ece4d6;   /* متن اصلی روشن */
  --muted:        #a89b8a;   /* متن ثانویه */
  --border:       rgba(201,165,104,0.16);

  /* --- تایپوگرافی --- */
  --font-main: 'Vazirmatn', 'Tahoma', sans-serif;

  /* --- فاصله‌گذاری --- */
  --section-pad: clamp(64px, 10vw, 140px);
  --container-w: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; margin:0; padding:0; }

html{ scroll-behavior: smooth; }

body{
  background: var(--bg-primary);
  color: var(--cream);
  font-family: var(--font-main);
  direction: rtl;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul{ list-style:none; }

.container{
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

/* پس‌زمینه بافت‌دار ظریف (تراشه‌های چوب) */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(201,165,104,0.05), transparent 60%),
    radial-gradient(900px 500px at 5% 110%, rgba(201,165,104,0.04), transparent 60%);
}

/* =========================================================
   المان امضا: خط درز (Seam Divider)
   ========================================================= */
.seam{
  width: 100%;
  height: 22px;
  display: block;
  background-repeat: repeat-x;
  background-size: 140px 22px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='22' viewBox='0 0 140 22'%3E%3Cpath d='M0 11 C 15 2, 25 20, 40 11 S 65 2, 80 11 S 105 20, 120 11 S 135 2, 140 11' fill='none' stroke='%23c9a568' stroke-width='1.4' stroke-opacity='0.55' stroke-linecap='round'/%3E%3C/svg%3E");
  opacity:.8;
}
.seam.seam-sm{ height: 14px; background-size: 90px 14px; opacity:.6;}

/* =========================================================
   هدر / ناوبری
   ========================================================= */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(26,21,18,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 18px clamp(20px, 5vw, 48px);
  max-width: var(--container-w);
  margin: 0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
}
.brand-mark{
  width:44px; height:44px;
  border-radius: 40% 60% 55% 45% / 55% 45% 60% 40%;
  border:1.5px solid var(--gold);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-main);
  font-weight:700;
  font-size:16px;
  color: var(--gold);
  letter-spacing: 0;
  flex-shrink:0;
  /* جایگاه لوگو: در صورت داشتن فایل لوگو، این div را با
     <img src="images/logo.png" alt="لوگوی هیمه"> جایگزین کنید */
}
.brand-name{
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--cream);
}
.brand-sub{
  display:block;
  font-size:11px;
  font-weight:400;
  color: var(--muted);
  letter-spacing: 1px;
}
.nav-links{
  display:flex;
  gap: clamp(16px,3vw,34px);
  font-size:14.5px;
  color: var(--muted);
}
.nav-links a{ position:relative; padding:6px 2px; transition:.25s color; }
.nav-links a:hover, .nav-links a:focus-visible{ color: var(--gold); }
.nav-links a::after{
  content:"";
  position:absolute; right:0; bottom:-2px;
  width:0%; height:1px; background: var(--gold);
  transition:.3s width;
}
.nav-links a:hover::after, .nav-links a:focus-visible::after{ width:100%; }

.nav-toggle{ display:none; }

/* =========================================================
   دکمه‌ها
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 13px 30px;
  border-radius: 999px;
  border:1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-main);
  font-size: 14.5px;
  font-weight: 600;
  background: transparent;
  cursor:pointer;
  transition: .3s ease;
}
.btn:hover, .btn:focus-visible{
  background: var(--gold);
  color: var(--resin);
  transform: translateY(-2px);
}
.btn-solid{
  background: var(--gold);
  color: var(--resin);
}
.btn-solid:hover, .btn-solid:focus-visible{
  background: var(--gold-soft);
  color: var(--resin);
}
.btn-ghost{
  border-color: var(--border);
  color: var(--cream);
}
.btn-ghost:hover, .btn-ghost:focus-visible{
  border-color: var(--gold);
  background: transparent;
  color: var(--gold);
  transform: translateY(-2px);
}

/* =========================================================
   هیرو
   ========================================================= */
.hero{
  position: relative;
  z-index:1;
  padding: clamp(56px,9vw,110px) 0 var(--section-pad);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(30px,5vw,70px);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing: 2px;
  color: var(--gold-soft);
  margin-bottom: 22px;
}
.eyebrow::before{
  content:"";
  width: 26px; height:1px;
  background: var(--gold);
}
.hero-title{
  font-size: clamp(48px, 7vw, 86px);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.05;
  margin-bottom: 8px;
}
.hero-title span{ color: var(--gold); }
.hero-tagline{
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--muted);
  margin: 18px 0 30px;
  font-weight: 400;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-media{
  position:relative;
}
.hero-frame{
  position:relative;
  aspect-ratio: 4/5;
  border-radius: 6% 94% 92% 8% / 10% 8% 92% 90%;
  overflow:hidden;
  background: linear-gradient(155deg, var(--bg-elevated), var(--resin));
  border: 1px solid var(--border);
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.7);
}
.hero-frame img, .hero-frame video{
  width:100%; height:100%; object-fit:cover;
}
.hero-frame .placeholder-fallback{
  position:absolute; inset:0;
  display:none; flex-direction:column; align-items:center; justify-content:center;
  gap:10px;
  text-align:center;
  padding: 20px;
  color: var(--muted);
  font-size: 13px;
}
.hero-frame .placeholder-fallback strong{
  color: var(--gold);
  font-size: 15px;
  font-weight:600;
}
.hero-frame::after{
  content:"";
  position:absolute; inset:0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1.5px var(--gold-dim);
  pointer-events:none;
}
.hero-frame-tag{
  position:absolute;
  bottom: 22px; left: 22px;
  background: rgba(12,10,9,0.72);
  backdrop-filter: blur(6px);
  border:1px solid var(--border);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--gold);
}

/* =========================================================
   بخش معرفی برند (About)
   ========================================================= */
.about{
  position:relative; z-index:1;
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
}
.about-inner{
  max-width: 900px;
  margin: 0 auto;
  text-align:center;
}
.section-label{
  font-size:13px;
  letter-spacing:2px;
  color: var(--gold-soft);
  display:block;
  margin-bottom: 18px;
}
.about-title{
  font-size: clamp(28px,3.4vw,40px);
  font-weight:700;
  color: var(--cream);
  margin-bottom: 26px;
}
.about-text{
  font-size: clamp(15.5px,1.4vw,17.5px);
  color: var(--muted);
  line-height: 2.15;
  font-weight:300;
}
.about-text strong{ color: var(--cream); font-weight:600; }

/* =========================================================
   شبکه ویژگی‌ها (مشخصات فنی محصول)
   ========================================================= */
.specs{
  padding: var(--section-pad) 0;
  position:relative; z-index:1;
}
.specs-grid{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow:hidden;
}
.spec-item{
  background: var(--bg-secondary);
  padding: 34px 26px;
  text-align:center;
}
.spec-item .spec-icon{
  font-size: 22px;
  color: var(--gold);
  margin-bottom:14px;
}
.spec-item h4{
  font-size: 15.5px;
  color: var(--cream);
  font-weight:600;
  margin-bottom:8px;
}
.spec-item p{
  font-size: 13.5px;
  color: var(--muted);
  line-height:1.9;
}

/* =========================================================
   دسته‌بندی نمونه‌کارها (کارت‌ها)
   ========================================================= */
.collections{
  padding: var(--section-pad) 0 calc(var(--section-pad) + 20px);
  position:relative; z-index:1;
  border-top: 1px solid var(--border);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 20px;
  margin-bottom: 50px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size: clamp(28px,3.6vw,42px);
  font-weight:700;
  color: var(--cream);
}
.section-head p{
  color: var(--muted);
  font-size:15px;
  max-width: 360px;
}

.collection-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.collection-card{
  position:relative;
  display:block;
  border-radius: 20px;
  overflow:hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  aspect-ratio: 3/4;
  transition: .45s cubic-bezier(.2,.7,.3,1);
}
.collection-card:hover, .collection-card:focus-visible{
  transform: translateY(-8px);
  border-color: var(--gold-dim);
  box-shadow: 0 30px 60px -25px rgba(0,0,0,.65);
}
.collection-card .cc-media{
  position:absolute; inset:0;
  background:
    repeating-linear-gradient(135deg, rgba(201,165,104,0.05) 0 2px, transparent 2px 14px),
    linear-gradient(200deg, var(--bg-elevated), var(--resin));
}
.collection-card .cc-media img{
  width:100%; height:100%; object-fit:cover;
  position:absolute; inset:0;
}
.collection-card .cc-overlay{
  position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(12,10,9,.92) 0%, rgba(12,10,9,.15) 55%, transparent 100%);
}
.collection-card .cc-content{
  position:absolute;
  right:0; left:0; bottom:0;
  padding: 26px 22px;
}
.cc-index{
  font-size:12px;
  color: var(--gold-soft);
  letter-spacing:1px;
  margin-bottom:8px;
  display:block;
}
.collection-card h3{
  font-size: 21px;
  font-weight:700;
  color: var(--cream);
  margin-bottom: 10px;
}
.cc-link{
  font-size: 13px;
  color: var(--gold);
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:.3s gap;
}
.collection-card:hover .cc-link{ gap:12px; }

/* =========================================================
   فوتر
   ========================================================= */
.site-footer{
  border-top: 1px solid var(--border);
  padding: 46px 0 34px;
  position:relative; z-index:1;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.footer-inner p{
  color: var(--muted);
  font-size: 13.5px;
}
.footer-inner .brand-name{ font-size:17px; }

/* =========================================================
   صفحات گالری (دسته‌بندی‌ها)
   ========================================================= */
.gallery-hero{
  padding: 54px 0 40px;
  position:relative; z-index:1;
  border-bottom: 1px solid var(--border);
}
.gallery-hero .back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color: var(--muted);
  font-size:14px;
  margin-bottom: 26px;
  transition:.25s color;
}
.gallery-hero .back-link:hover, .gallery-hero .back-link:focus-visible{ color: var(--gold); }
.gallery-hero .back-link .arrow{ transition:.25s transform; }
.gallery-hero .back-link:hover .arrow{ transform: translateX(4px); }

.gallery-hero h1{
  font-size: clamp(34px,4.6vw,54px);
  font-weight:800;
  color: var(--cream);
  margin-bottom: 14px;
}
.gallery-hero p{
  color: var(--muted);
  max-width: 620px;
  font-size:15.5px;
}

.gallery-section{
  padding: var(--section-pad) 0;
  position:relative; z-index:1;
}
.gallery-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.gallery-item{
  position:relative;
  border-radius: 16px;
  overflow:hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  aspect-ratio: 1/1;
}
.gallery-item:nth-child(3n+2){ aspect-ratio: 4/5; }
.gallery-item img{
  width:100%; height:100%; object-fit:cover;
  transition: .6s ease;
}
.gallery-item:hover img{ transform: scale(1.06); }
.gallery-item .gi-fallback{
  position:absolute; inset:0;
  display:none; flex-direction:column; align-items:center; justify-content:center;
  gap: 8px;
  text-align:center;
  padding: 18px;
  background:
    repeating-linear-gradient(135deg, rgba(201,165,104,0.05) 0 2px, transparent 2px 14px),
    linear-gradient(200deg, var(--bg-elevated), var(--resin));
}
.gi-fallback span{
  font-size:12.5px;
  color: var(--muted);
}
.gi-fallback strong{
  font-size:13.5px;
  color: var(--gold-soft);
  font-weight:600;
}
.gallery-item .gi-caption{
  position:absolute; right:0; left:0; bottom:0;
  padding: 16px;
  background: linear-gradient(0deg, rgba(12,10,9,.85), transparent);
  font-size: 12.5px;
  color: var(--cream);
  opacity:0;
  transform: translateY(6px);
  transition:.3s ease;
}
.gallery-item:hover .gi-caption{ opacity:1; transform:translateY(0); }

.gallery-cta{
  text-align:center;
  margin-top: 60px;
}

/* =========================================================
   واکنش‌گرایی (Responsive)
   ========================================================= */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-media{ order:-1; }
  .specs-grid{ grid-template-columns: repeat(2,1fr); }
  .collection-grid{ grid-template-columns: repeat(2,1fr); }
  .gallery-grid{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 680px){
  .nav-links{
    position:fixed;
     height: fit-content;
    inset: 68px 0 0 0;
    background: rgba(20,16,13,0.98);
    backdrop-filter: blur(10px);
    flex-direction:column;
    padding: 30px 26px;
    gap: 22px;
    transform: translateY(-14px);
    opacity:0;
    pointer-events:none;
    transition: .3s ease;
    border-top: 1px solid var(--border);
  }
  .nav-links.open{
    transform: translateY(0);
    opacity:1;
    pointer-events:auto;
  }
  .nav-toggle{
    display:flex;
    align-items:center;
    justify-content:center;
    width: 42px; height:42px;
    border-radius:50%;
    border: 1px solid var(--border);
    background:transparent;
    color: var(--gold);
    font-size:18px;
    cursor:pointer;
  }
  .specs-grid{ grid-template-columns: 1fr; }
  .collection-grid{ grid-template-columns: 1fr; }
  .gallery-grid{ grid-template-columns: 1fr; }
  .gallery-item:nth-child(3n+2){ aspect-ratio: 1/1; }
  .section-head{ flex-direction:column; align-items:flex-start; }
}

/* دسترس‌پذیری: فوکوس قابل مشاهده */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* حرکت کمتر برای کاربرانی که ترجیح می‌دهند */
@media (prefers-reduced-motion: reduce){
  *{ transition-duration: .001ms !important; animation-duration:.001ms !important; scroll-behavior:auto !important; }
}