/* =========================================================
   Mahgoldent — دندان‌سازی متحرک
   Design tokens taken directly from the brief
   ========================================================= */
:root{
  --c-primary:#1F3A5F;
  --c-primary-dark:#14263D;
  --c-accent:#2BA6A4;
  --c-accent-light:#DDF5F4;
  --c-bg:#FFFFFF;
  --c-card:#F7F9FC;
  --c-border:#E5EAF0;
  --c-text:#1F2937;
  --c-text-muted:#6B7280;

  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(20,38,61,.06);
  --shadow-md:0 8px 24px rgba(20,38,61,.08);
  --shadow-lg:0 20px 48px rgba(20,38,61,.12);

  --maxw:1180px;
  --space-1:.5rem;
  --space-2:1rem;
  --space-3:1.5rem;
  --space-4:2.5rem;
  --space-5:4rem;
  --space-6:6rem;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Vazirmatn', Tahoma, sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  direction:rtl;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Vazirmatn', Tahoma, sans-serif;
  font-weight:800;
  color:var(--c-primary-dark);
  margin:0 0 .6em;
  line-height:1.4;
}
h1{font-size:clamp(1.9rem,4vw,3rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em;color:var(--c-text)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:var(--radius-md)}
ul{margin:0;padding:0;list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
section{padding:var(--space-6) 0}
@media (max-width:768px){section{padding:var(--space-4) 0}}

.eyebrow{
  display:inline-flex;align-items:center;gap:.4rem;
  color:var(--c-accent);
  background:var(--c-accent-light);
  padding:.35rem .9rem;
  border-radius:99px;
  font-size:.82rem;
  font-weight:700;
  margin-bottom:1rem;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.9rem 1.7rem;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:.95rem;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-md)}
.btn-primary:hover{background:#238e8c}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-dark)}
.btn-ghost{background:var(--c-card);color:var(--c-primary-dark);border-color:var(--c-border)}

/* Header */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.2rem;color:var(--c-primary-dark)}
.logo-badge{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;
}
.site-logo{height:100px;width:auto;display:block;border-radius:0}
.logo-badge-footer{display:inline-flex;align-items:center}
.logo-badge-footer .site-logo{height:300px;width:auto}
@media (max-width:640px){
  .site-logo{height:64px}
  .logo-badge-footer .site-logo{height:140px}
}
nav.main-nav{display:flex;align-items:center;gap:2rem}
nav.main-nav a{font-weight:600;color:var(--c-text);font-size:.95rem;position:relative;padding:.3rem 0}
nav.main-nav a.active,nav.main-nav a:hover{color:var(--c-accent)}
.header-cta{display:flex;align-items:center;gap:.75rem}
.menu-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--c-primary-dark)}
.mobile-nav{display:none;flex-direction:column;gap:0;border-top:1px solid var(--c-border);background:#fff}
.mobile-nav a{padding:.9rem 1.25rem;border-bottom:1px solid var(--c-border);font-weight:600}
.mobile-nav.open{display:flex}
@media (max-width:900px){
  nav.main-nav{display:none}
  .header-cta .btn-desktop-only{display:none}
  .menu-toggle{display:block}
}

/* Hero */
.hero{
  background:linear-gradient(160deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  color:#fff;position:relative;overflow:hidden;
  padding:var(--space-6) 0;
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% auto;width:520px;height:520px;
  background:radial-gradient(circle,var(--c-accent) 0%,transparent 70%);
  opacity:.25;border-radius:50%;
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center;position:relative}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero h1{color:#fff}
.hero p.lead{color:#D9E3EE;font-size:1.1rem;max-width:46ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.6rem}
.hero-paths{display:flex;gap:1rem;margin-top:2.2rem;flex-wrap:wrap}
.path-chip{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  padding:.6rem 1rem;border-radius:99px;font-size:.85rem;color:#fff;
}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.hero-media img{border-radius:var(--radius-lg);width:100%;height:100%;object-fit:cover}

/* Trust bar */
.trust-bar{background:var(--c-card);border-bottom:1px solid var(--c-border);border-top:1px solid var(--c-border)}
.trust-bar .container{display:flex;flex-wrap:wrap;gap:2.5rem;justify-content:space-between;padding:1.4rem 1.25rem;align-items:center}
.trust-item{display:flex;align-items:center;gap:.6rem;color:var(--c-primary-dark);font-weight:700;font-size:.92rem}
.trust-item span.ico{color:var(--c-accent);font-size:1.2rem}

/* Cards / grid */
.grid{display:grid;gap:1.6rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}}

.card{
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:var(--radius-md);
  padding:1.8rem;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease, transform .2s ease;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.icon-box{
  width:54px;height:54px;border-radius:14px;
  background:var(--c-accent-light);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1rem;
}
.card h3{margin-bottom:.5rem}
.card p.muted{color:var(--c-text-muted);font-size:.94rem;margin-bottom:.9rem}
.card .tag{
  display:inline-block;background:var(--c-card);border:1px solid var(--c-border);
  color:var(--c-primary-dark);font-size:.75rem;padding:.2rem .6rem;border-radius:99px;margin-inline-end:.35rem;margin-bottom:.4rem;
}

.section-head{max-width:640px;margin-bottom:2.6rem}
.section-head.center{margin-inline:auto;text-align:center}

/* Service preview image card */
.service-card img{height:170px;width:100%;object-fit:cover;margin-bottom:1rem}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;counter-reset:step}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding:1.6rem 1.4rem 1.4rem;background:var(--c-card);border-radius:var(--radius-md);border:1px solid var(--c-border)}
.step .num{
  width:38px;height:38px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:.8rem;
}

/* Testimonials */
.testi-card{background:var(--c-card)}
.stars{color:#F5B301;letter-spacing:.15rem;margin-bottom:.6rem;font-size:1rem}
.testi-person{display:flex;align-items:center;gap:.7rem;margin-top:1rem}
.avatar{width:44px;height:44px;border-radius:50%;object-fit:cover}
.testi-role{font-size:.8rem;color:var(--c-text-muted)}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary-dark),var(--c-primary));
  color:#fff;border-radius:var(--radius-lg);
  padding:3rem 2.4rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin-bottom:.4rem}
.cta-band p{color:#D9E3EE;margin-bottom:0}
.cta-band .actions{display:flex;gap:.9rem;flex-wrap:wrap}

/* Filter bar (portfolio) */
.filter-bar{display:flex;flex-wrap:wrap;gap:.7rem;margin-bottom:2.2rem}
.filter-chip{
  padding:.55rem 1.1rem;border-radius:99px;border:1px solid var(--c-border);
  background:var(--c-bg);font-size:.85rem;font-weight:600;color:var(--c-primary-dark);cursor:pointer;
}
.filter-chip.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.placeholder-card{
  border:1.5px dashed var(--c-border);border-radius:var(--radius-md);
  padding:2.4rem 1.6rem;text-align:center;color:var(--c-text-muted);background:var(--c-card);
}
.placeholder-card .icon-box{margin:0 auto 1rem}

/* FAQ / accordion */
.accordion-item{border:1px solid var(--c-border);border-radius:var(--radius-sm);margin-bottom:.8rem;overflow:hidden;background:#fff}
.accordion-item summary{
  padding:1.05rem 1.3rem;cursor:pointer;font-weight:700;color:var(--c-primary-dark);
  display:flex;justify-content:space-between;align-items:center;list-style:none;
}
.accordion-item summary::-webkit-details-marker{display:none}
.accordion-item summary::after{content:"+";font-size:1.3rem;color:var(--c-accent)}
.accordion-item[open] summary::after{content:"–"}
.accordion-item .a-body{padding:0 1.3rem 1.2rem;color:var(--c-text-muted)}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-weight:700;font-size:.88rem;color:var(--c-primary-dark)}
.field input,.field select,.field textarea{
  border:1px solid var(--c-border);border-radius:var(--radius-sm);
  padding:.8rem 1rem;font-family:inherit;font-size:.95rem;background:#fff;color:var(--c-text);
}
.field textarea{resize:vertical;min-height:120px}
.field.full{grid-column:1/-1}
.field .radio-row{display:flex;gap:1.2rem}
.field .radio-row label{display:flex;align-items:center;gap:.4rem;font-weight:500}

/* Contact info list */
.contact-info-list{display:flex;flex-direction:column;gap:1.1rem}
.contact-info-list li{display:flex;gap:.9rem;align-items:flex-start}
.contact-info-list .ico{
  width:42px;height:42px;flex:none;border-radius:10px;background:var(--c-accent-light);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
}
.social-row{display:flex;gap:.7rem;margin-top:1.4rem}
.social-row a{
  width:42px;height:42px;border-radius:10px;background:var(--c-card);border:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--c-primary-dark);
}
.map-frame{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--c-border);height:320px}
.map-frame iframe{width:100%;height:100%;border:0}

/* Referral banner */
.referral-banner{
  display:flex;align-items:center;gap:1.2rem;justify-content:space-between;flex-wrap:wrap;
  background:var(--c-accent-light);border:1px solid #bfe9e7;border-radius:var(--radius-md);
  padding:1.4rem 1.7rem;
}
.referral-banner strong{color:var(--c-primary-dark)}

/* Breadcrumb / page header */
.page-header{background:var(--c-card);border-bottom:1px solid var(--c-border);padding:3rem 0 2.4rem}
.breadcrumb{font-size:.85rem;color:var(--c-text-muted);margin-bottom:.6rem}
.breadcrumb a{color:var(--c-accent);font-weight:600}

/* Blog */
.blog-card .meta{display:flex;gap:.7rem;font-size:.78rem;color:var(--c-text-muted);margin-bottom:.6rem}

/* Footer */
footer.site-footer{background:var(--c-primary-dark);color:#CBD6E2;padding:var(--space-5) 0 var(--space-2)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem;padding-bottom:2.4rem}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
footer.site-footer h4{color:#fff;font-size:1rem;margin-bottom:1.1rem}
footer.site-footer a{color:#CBD6E2}
footer.site-footer a:hover{color:var(--c-accent)}
footer.site-footer .footer-links li{margin-bottom:.7rem;font-size:.92rem}
footer.site-footer .logo{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:1.4rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.82rem;color:#9FB0C2}

/* Media placeholders — swap these for real photos/WebP once available */
.media-placeholder{
  border-radius:var(--radius-lg);
  display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:.5rem;
  color:#fff;font-weight:700;text-align:center;
  min-height:120px;
  position:relative;overflow:hidden;
}
.media-placeholder .mp-icon{font-size:2.2rem}
.media-placeholder .mp-label{font-size:.82rem;font-weight:600;opacity:.9}
.media-placeholder.tone-a{background:linear-gradient(135deg,var(--c-primary),var(--c-accent))}
.media-placeholder.tone-b{background:linear-gradient(135deg,var(--c-primary-dark),var(--c-primary))}
.media-placeholder.tone-c{background:linear-gradient(135deg,var(--c-accent),#7fd6d3)}
.media-placeholder.hero-media-ph{min-height:420px}
.media-placeholder.card-media-ph{min-height:170px;margin-bottom:1rem;border-radius:var(--radius-md)}
.avatar-ph{
  width:44px;height:44px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.85rem;
}

.skip-link{position:absolute;right:-999px;top:0;background:#fff;padding:.6rem 1rem;z-index:100}
.skip-link:focus{right:1rem}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important; scroll-behavior:auto !important;}
}