/* ===================== */
/* Mobile Responsiveness */
/* ===================== */

@media (max-width: 1024px){
  .container{padding:0 28px}
  .feature-inner{grid-template-columns:1fr; gap:32px}
}

@media (max-width: 820px){
  /* Navbar */
  .hamburger{display:inline-block}
  .nav-links{
    display:none;
    position:fixed; top:52px; left:0; right:0;
    background:var(--card);
    border-bottom:1px solid var(--border);
    box-shadow:0 6px 20px rgba(0,0,0,.06);
    flex-direction:column; gap:8px; padding:12px 20px;
    z-index:60;
  }
  .nav-links a{padding:10px 2px}

  /* Container + spacing */
  .container{padding:0 20px}

  /* Hero */
  .hero{padding:16px 0 8px}
  .hero-grid{grid-template-columns:1fr; gap:20px}
  .hero-copy{margin-top:0}
  .hero-copy h1{font-size:clamp(28px, 8vw, 40px); line-height:1.15}
  .hero-copy .sub{font-size:16px}
  .cta-cards{grid-template-columns:1fr; gap:12px}
  .card{padding:16px 16px; min-height:unset}
  .hero-art{padding-top:8px}
  .hero-art img{width:min(88vw, 520px); max-width:100%}

  /* Why */
  .why{padding:48px 0 40px}
  .why-cards-grid{grid-template-columns:1fr; gap:16px}

  /* Features */
  .feature{padding:40px 0}
  .feature-inner{grid-template-columns:1fr; gap:20px}
  .chip-row{gap:6px}

  /* Image gallery */
  #image .feature-inner{grid-template-columns:1fr; place-items:center}
  .gallery{width:160px}

  /* Video */
  .video-card .preview{height:56vw; min-height:220px; max-height:360px}
  .video-overlay{left:12px; top:12px}

  /* Pricing */
  .pricing{padding:40px 0}
  .pricing-grid{grid-template-columns:1fr; gap:16px}
  .price{font-size:28px}
  .price-card.highlight{transform:none}

  /* Footer */
  .footer-inner{display:flex; flex-direction:column; align-items:flex-start; gap:12px}
  .foot-links{display:flex; flex-wrap:wrap; gap:12px}
}

@media (max-width: 420px){
  .container{padding:0 14px}
  .card .btn{height:42px}
  .video-card .preview{min-height:200px}
}

/* ===================== */
/* Sign-In Page Mobile   */
/* ===================== */

@media (max-width: 820px){
  /* Sign-in main container */
  .signin-main{padding:32px 16px; min-height:calc(100vh - 52px)}

  /* Sign-in card */
  .signin-card{padding:32px 24px; border-radius:26px; gap:28px}

  /* Header text */
  .signin-header h1{font-size:26px; margin-bottom:8px}
  .signin-header p{font-size:15px}

  .signin-grid{grid-template-columns:1fr; gap:24px}

  .signin-info{
    order:2;
    padding:28px 24px;
    border-radius:22px;
    box-shadow:none;
    background:rgba(17,17,17,.92);
  }

  /* Auth panel */
  .auth-panel{padding:24px 20px; border-radius:22px; gap:20px; order:1}
  .auth-panel-heading h2{font-size:22px}

  /* Social buttons */
  .social-btn{
    padding:14px 20px;
    font-size:15px;
    width:100%;
    justify-content:center;
  }
  
  .social-btn svg{
    width:18px;
    height:18px;
  }
  
  /* Form inputs */
  .auth-form input{
    padding:14px 16px;
    font-size:15px;
    border-radius:12px;
  }
  
  .auth-form label{
    font-size:14px;
    margin-bottom:6px;
  }
  
  .auth-form button{
    padding:14px 20px;
    font-size:15px;
    height:48px;
  }
  
  /* Panel heading */
  .auth-panel-heading h2{font-size:20px}
  .auth-panel-heading p{font-size:13px}
  
  /* Link button */
  .link-btn{
    font-size:14px;
    padding:10px;
  }

  .signin-footnote{font-size:12px}
}

@media (max-width: 420px){
  .signin-main{padding:16px 12px}
  
  .signin-card{padding:24px 16px; border-radius:20px; gap:24px}
  
  .signin-header h1{font-size:24px}
  .signin-header p{font-size:14px}
  
  .signin-info{padding:24px 20px; border-radius:18px}
  .auth-panel{padding:20px 16px; border-radius:18px}
  
  .social-btn{
    padding:12px 16px;
    font-size:14px;
  }
  
  .auth-form input{
    padding:12px 14px;
    font-size:14px;
  }
  
  .auth-form button{
    padding:12px 16px;
    height:46px;
  }
}