:root {
    --navy:    #0d1b3d;
    --blue:    #1565e0;
    --teal:    #00b7a7;
    --teal-lt: #7ce0d6;
    --bg:      #f2f4f7;
    --white:   #ffffff;

    /* derived */
    --navy-mid:  #162550;
    --navy-deep: #090f23;
    --blue-lt:   #3d7ff0;
    --blue-pale: #d6e4fd;
    --teal-dark: #008c7e;
    --teal-pale: #d0f5f2;

    --gray-50:  #f8f9fb;
    --gray-100: #f2f4f7;
    --gray-200: #e4e8ef;
    --gray-400: #9aa3b4;
    --gray-600: #5a6478;
    --gray-900: #1a2130;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(13,27,61,.07);
    --shadow-md: 0 8px 32px rgba(13,27,61,.12);
    --shadow-lg: 0 20px 60px rgba(13,27,61,.18);
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Vazirmatn', sans-serif;
    background: var(--bg);
    color: var(--gray-900);
    direction: rtl;
    overflow-x: hidden;
    line-height: 1.7;
  }

  /* ─── HEADER ─── */
  header {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow .3s;
  }
  header.scrolled { box-shadow: 0 4px 24px rgba(13,27,61,.1); }

  .header-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 2rem;
    height: 72px; display: flex; align-items: center;
    justify-content: space-between; gap: 2rem;
  }

  .logo-img {
    height: 70px;
    width: auto;
    margin-top: 10px;
    object-fit: contain;
    border-radius: 8px;
  }
  .footer-logo-img {
    height: 64px;
    width: auto;
    object-fit: contain;
    border-radius: 8px;
  }
  .logo-icon {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--navy), var(--blue));
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; color: white; font-weight: 800; letter-spacing: -0.5px;
    box-shadow: 0 4px 12px rgba(21,101,224,.3);
  }
  .logo-text { font-size: 1.3rem; font-weight: 800; color: var(--navy); }
  .logo-sub { font-size: 0.68rem; color: var(--teal); font-weight: 600; letter-spacing: 1px; display: block; margin-top: -3px; }

  nav { display: flex; align-items: center; gap: 0.25rem; }
  nav a {
    text-decoration: none; color: var(--gray-600);
    font-size: 0.9rem; font-weight: 500;
    padding: 6px 14px; border-radius: var(--radius-sm);
    transition: all .2s; white-space: nowrap;
  }
  nav a:hover { color: var(--blue); background: var(--blue-pale); }

  .btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: linear-gradient(135deg, var(--blue), var(--blue-lt));
    color: white; border: none; border-radius: var(--radius-sm);
    padding: 10px 22px; font-family: 'Vazirmatn', sans-serif;
    font-size: 0.9rem; font-weight: 700; cursor: pointer;
    text-decoration: none; transition: all .2s;
    box-shadow: 0 4px 14px rgba(21,101,224,.3);
    
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(21,101,224,.4); }
  .btn-primary a {
    color: #ffffff;
    text-decoration: none;
  }
  .btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--navy);
    border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
    padding: 9px 20px; font-family: 'Vazirmatn', sans-serif;
    font-size: 0.9rem; font-weight: 600; cursor: pointer;
    text-decoration: none; transition: all .2s;
  }
  .btn-outline:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-pale); }

  .hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
  .hamburger span { display: block; width: 24px; height: 2px; background: var(--gray-600); margin: 5px 0; border-radius: 2px; transition: all .3s; }

  /* ─── SLIDER / HERO ─── */
  .slider-section {
    background: var(--navy);
    position: relative; overflow: hidden;
  }

  .slider-wrapper {
    position: relative; width: 100%;
    aspect-ratio: 16 / 5;
    max-height: 90vh;
    overflow: hidden;
  }

  .slide {
    position: absolute; inset: 0;
    display: flex; align-items: center;
    opacity: 0; transition: opacity .6s ease, transform .6s ease;
    transform: translateX(60px);
    pointer-events: none;
  }
  .slide.active {
    opacity: 1; transform: translateX(0);
    pointer-events: auto;
  }
  .slide.exit-left  { opacity: 0; transform: translateX(-60px); }
  .slide.exit-right { opacity: 0; transform: translateX(60px); }

  .slide-bg {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover; object-position: center;
    display: block;
  }
  .slide-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(100deg, rgba(13,27,61,.92) 35%, rgba(13,27,61,.3) 100%);
  }

  .slide-content {
    position: relative; z-index: 2;
    max-width: 1200px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
    align-items: center; width: 100%;
  }

  .slide-text-col {}
  .slide-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(0,183,167,.18); border: 1px solid rgba(0,183,167,.4);
    color: var(--teal-lt); font-size: 0.8rem; font-weight: 600;
    padding: 5px 14px; border-radius: 100px; margin-bottom: 1.2rem;
  }
  .slide-badge-dot { width: 7px; height: 7px; background: var(--teal); border-radius: 50%; animation: pulse 2s infinite; }
  @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }

  .slide-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 900; color: white; line-height: 1.2;
    margin-bottom: 1rem;
  }
  .slide-title .hl { color: var(--teal-lt); }
  .slide-desc { font-size: .98rem; color: rgba(255,255,255,.72); line-height: 1.8; margin-bottom: 1.8rem; }
  .slide-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

  .cta-main {
    background: linear-gradient(135deg, var(--teal), var(--teal-lt));
    color: var(--navy-deep); font-weight: 800;
    padding: 13px 30px; border-radius: var(--radius-sm);
    font-size: .96rem; border: none; cursor: pointer;
    font-family: 'Vazirmatn', sans-serif; text-decoration: none;
    display: inline-flex; align-items: center; gap: 8px;
    transition: all .2s; box-shadow: 0 6px 20px rgba(0,183,167,.35);
  }
  .cta-main:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,183,167,.5); }

  .cta-sec {
    color: rgba(255,255,255,.78); font-size: .9rem; font-weight: 500;
    text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.3);
    padding-bottom: 2px; transition: all .2s;
    display: inline-flex; align-items: center; gap: 6px;
  }
  .cta-sec:hover { color: white; border-color: white; }

  /* Slide image card (right col) */
  .slide-img-col {
    display: flex; align-items: center; justify-content: center;
  }
  .slide-product-card {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius-lg);
    overflow: hidden; width: 100%; max-width: 340px;
    backdrop-filter: blur(16px);
  }
  .slide-product-img {
    width: 100%; height: 220px;
    object-fit: cover;
    background: linear-gradient(135deg, rgba(0,183,167,.15), rgba(21,101,224,.15));
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem;
  }
  .slide-product-info { padding: 1.2rem 1.4rem; }
  .slide-product-name { font-size: 1rem; font-weight: 800; color: white; margin-bottom: .3rem; }
  .slide-product-brand { font-size: .78rem; color: var(--teal-lt); font-weight: 600; }
  .slide-product-price { font-size: 1.3rem; font-weight: 900; color: white; margin-top: .6rem; }
  .slide-product-installment { font-size: .78rem; color: rgba(255,255,255,.55); }

  /* Slider controls */
  .slider-btn {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 10; background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    color: white; width: 48px; height: 48px;
    border-radius: 50%; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; transition: all .2s;
    backdrop-filter: blur(10px);
    user-select: none;
  }
  .slider-btn:hover { background: rgba(0,183,167,.35); border-color: var(--teal); }
  .slider-btn.prev { right: 1.5rem; }
  .slider-btn.next { left: 1.5rem; }

  .slider-dots {
    position: absolute; bottom: 1.4rem; left: 50%; transform: translateX(-50%);
    display: flex; gap: 8px; z-index: 10;
  }
  .dot {
    width: 8px; height: 8px; border-radius: 100px;
    background: rgba(255,255,255,.3); cursor: pointer;
    transition: all .3s; border: none;
  }
  .dot.active { width: 28px; background: var(--teal); }

  .slide-stats {
    display: flex; gap: 2rem;
    margin-top: 2rem; padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,.1);
  }
  .slide-stat-num { font-size: 1.6rem; font-weight: 900; color: white; display: block; }
  .slide-stat-lbl { font-size: .75rem; color: rgba(255,255,255,.5); }

  /* ─── SECTION COMMON ─── */
  section { padding: 5rem 0; }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

  .section-label {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--teal-pale); color: var(--teal-dark);
    font-size: .82rem; font-weight: 700;
    padding: 6px 16px; border-radius: 100px;
    border: 1.5px solid rgba(0,183,167,.3);
    margin-bottom: 1rem; letter-spacing: .3px;
  }
  .section-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 900; color: var(--navy);
    line-height: 1.3; margin-bottom: 1rem;
  }
  .section-sub {
    font-size: 1rem; color: var(--gray-600);
    max-width: 560px; line-height: 1.8;
  }
  .section-header { margin-bottom: 3rem; }
  .section-header.center { text-align: center; }
  .section-header.center .section-sub { margin: 0 auto; }

  /* ─── CALCULATOR ─── */
  .calculator-section {
    background: white; position: relative; overflow: hidden;
  }
  .calculator-section::before {
    content: ''; position: absolute; top: -120px; right: -120px;
    width: 480px; height: 480px;
    background: radial-gradient(circle, var(--teal-pale) 0%, transparent 70%);
    opacity: .6;
  }
  .calculator-section::after {
    content: ''; position: absolute; bottom: -80px; left: -80px;
    width: 320px; height: 320px;
    background: radial-gradient(circle, var(--blue-pale) 0%, transparent 70%);
    opacity: .5;
  }

  .calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; position: relative; z-index: 1; }

  .calc-box {
    background: white; border-radius: var(--radius-lg);
    padding: 2rem; box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
  }
  .calc-box h3 {
    font-size: 1.1rem; font-weight: 800; color: var(--navy);
    margin-bottom: 1.5rem; display: flex; align-items: center; gap: 8px;
  }

  .form-group { margin-bottom: 1.2rem; }
  .form-group label {
    display: block; font-size: .85rem; font-weight: 600;
    color: var(--gray-600); margin-bottom: 6px;
  }
  .form-group select {
    width: 100%; padding: 10px 14px;
    border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
    font-family: 'Vazirmatn', sans-serif; font-size: .92rem;
    color: var(--gray-900); background: var(--gray-50);
    outline: none; transition: border-color .2s; direction: rtl;
  }
  .form-group select:focus { border-color: var(--teal); }

  .range-wrapper { position: relative; }
  .range-wrapper input[type="range"] {
    width: 100%; -webkit-appearance: none; height: 6px;
    border-radius: 100px;
    background: linear-gradient(to right, var(--gray-200) 50%, var(--teal) 50%);
    outline: none; cursor: pointer; direction: ltr;
  }
  .range-wrapper input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 20px; height: 20px;
    border-radius: 50%; background: var(--blue);
    border: 3px solid white; box-shadow: 0 2px 8px rgba(21,101,224,.3);
    cursor: pointer;
  }
  .range-value {
    display: flex; justify-content: space-between;
    font-size: .76rem; color: var(--gray-400); margin-top: 6px;
  }
  .current-val {
    text-align: center; font-size: 1.05rem; font-weight: 700;
    color: var(--navy); margin-top: 4px;
  }

  .calc-results { display: flex; flex-direction: column; gap: 1rem; }
  .result-card {
    background: white; border-radius: var(--radius-md);
    border: 1.5px solid var(--gray-200);
    padding: 1.2rem 1.5rem; transition: all .2s;
  }
  .result-card:hover { border-color: var(--teal); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
  .result-card.featured {
    background: linear-gradient(135deg, var(--navy), var(--blue));
    border-color: transparent;
    box-shadow: 0 8px 28px rgba(13,27,61,.25);
  }
  .result-card-label {
    font-size: .78rem; font-weight: 600;
    color: var(--gray-400); margin-bottom: 4px;
  }
  .result-card.featured .result-card-label { color: rgba(255,255,255,.6); }
  .result-value { font-size: 1.5rem; font-weight: 900; color: var(--navy); }
  .result-card.featured .result-value { color: white; }
  .result-unit { font-size: .8rem; font-weight: 500; color: var(--teal-dark); }
  .result-card.featured .result-unit { color: var(--teal-lt); }

  .calc-note {
    font-size: .78rem; color: var(--gray-400); margin-top: 1rem;
    background: var(--gray-50); border-radius: var(--radius-sm);
    padding: 10px 14px; border-right: 3px solid var(--teal);
  }

  /* ─── STEPS ─── */
  .steps-section { background: var(--bg); }
  .steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
  .step-card {
    background: white; border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-lg); padding: 1.8rem;
    text-align: center; position: relative;
    transition: all .3s; overflow: hidden;
  }
  .step-card::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(0,183,167,.05), rgba(21,101,224,.04));
    opacity: 0; transition: opacity .3s;
  }
  .step-card:hover { border-color: var(--teal); transform: translateY(-6px); box-shadow: var(--shadow-md); }
  .step-card:hover::after { opacity: 1; }
  .step-num {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--navy), var(--blue));
    color: white; font-size: 1.1rem; font-weight: 900;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1rem; box-shadow: 0 6px 16px rgba(21,101,224,.28);
    position: relative; z-index: 1;
  }
  .step-icon { font-size: 1.8rem; margin-bottom: .8rem; display: block; position: relative; z-index: 1; }
  .step-title { font-size: .98rem; font-weight: 800; color: var(--navy); margin-bottom: .4rem; position: relative; z-index: 1; }
  .step-desc { font-size: .84rem; color: var(--gray-600); line-height: 1.7; position: relative; z-index: 1; }

  /* ─── CALCULATOR NEW LAYOUT ─── */
  .calc-box-single {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
  }
  .calc-inner-grid {
    display: grid;
    grid-template-columns: 1fr 1px 1fr;
    gap: 0;
  }
  .calc-settings-col {
    padding: 2rem;
  }
  .calc-divider {
    background: var(--gray-200);
    margin: 1.5rem 0;
  }
  .calc-results-col {
    padding: 2rem;
    background: var(--gray-50);
    display: flex;
    flex-direction: column;
  }

  /* نتایج به صورت ردیف */
  .result-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
    gap: 1rem;
  }
  .result-row:last-of-type { border-bottom: none; }
  .result-row-label {
    font-size: .9rem;
    font-weight: 600;
    color: var(--gray-600);
    white-space: nowrap;
  }
  .result-row-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    text-align: left;
    direction: ltr;
  }
  .result-row-value.highlight {
    font-size: 1.15rem;
    font-weight: 900;
    color: var(--blue);
  }
  .result-row-unit {
    font-size: .8rem;
    font-weight: 500;
    color: var(--gray-400);
    margin-right: 4px;
  }
  .result-divider {
    height: 1px;
    background: var(--gray-200);
    margin: .5rem 0;
  }
  .result-row.final {
    padding-top: 1.2rem;
    border-bottom: none;
  }
  .result-row.final .result-row-label {
    font-size: 1rem;
    font-weight: 900;
    color: var(--navy);
  }
  .result-row.final .result-row-value {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--navy);
  }

  @media (max-width: 768px) {
    .calc-inner-grid { grid-template-columns: 1fr; }
    .calc-divider { height: 1px; width: auto; margin: 0; }
  }
  .installment-btns {
    display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px;
  }
  .inst-btn {
    flex: 1 1 calc(25% - 8px); min-width: 64px;
    padding: 9px 6px; border-radius: var(--radius-sm);
    border: 1.5px solid var(--gray-200);
    background: var(--gray-50); color: var(--gray-600);
    font-family: 'Vazirmatn', sans-serif; font-size: .88rem; font-weight: 600;
    cursor: pointer; text-align: center; transition: all .2s;
  }
  .inst-btn:hover { border-color: var(--teal); color: var(--teal-dark); background: var(--teal-pale); }
  .inst-btn.active {
    background: linear-gradient(135deg, var(--navy), var(--blue));
    border-color: transparent; color: white;
    box-shadow: 0 4px 12px rgba(21,101,224,.3);
  }
  

  /* ─── FAQ ─── */
  .faq-section { background: white; }
  .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
  .faq-item {
    background: white; border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md); overflow: hidden;
    transition: all .2s; cursor: pointer;
  }
  .faq-item:hover { border-color: var(--teal); box-shadow: var(--shadow-sm); }
  .faq-item.open { border-color: var(--blue); }
  .faq-question {
    padding: 1.2rem 1.5rem;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    font-size: .92rem; font-weight: 700; color: var(--navy);
    user-select: none;
  }
  .faq-icon {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--gray-100); border: 1.5px solid var(--gray-200);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: var(--blue); flex-shrink: 0;
    transition: all .3s; font-weight: 700;
  }
  .faq-item.open .faq-icon { background: var(--blue); color: white; border-color: var(--blue); transform: rotate(45deg); }
  .faq-answer {
    max-height: 0; overflow: hidden;
    transition: max-height .4s ease, padding .3s;
    padding: 0 1.5rem;
    font-size: .88rem; color: var(--gray-600); line-height: 1.8;
  }
  .faq-item.open .faq-answer { max-height: 300px; padding: 0 1.5rem 1.2rem; }

  /* ─── TRUST CTA ─── */
  .trust-section {
    background: linear-gradient(135deg, var(--navy), var(--blue));
    padding: 3.5rem 0; text-align: center; position: relative; overflow: hidden;
  }
  .trust-section::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse 700px 400px at 50% 50%, rgba(0,183,167,.12), transparent);
  }
  .trust-inner { position: relative; z-index: 1; }
  .trust-title { font-size: 1.9rem; font-weight: 900; color: white; margin-bottom: .5rem; }
  .trust-sub { font-size: 1rem; color: rgba(255,255,255,.75); margin-bottom: 2rem; }
  .trust-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
  .cta-white {
    background: white; color: var(--navy); font-weight: 800;
    padding: 13px 30px; border-radius: var(--radius-sm);
    font-size: .96rem; border: none; cursor: pointer;
    font-family: 'Vazirmatn', sans-serif; text-decoration: none;
    display: inline-flex; align-items: center; gap: 8px;
    transition: all .2s; box-shadow: 0 6px 20px rgba(0,0,0,.25);
  }
  .cta-white:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,.35); }
  .cta-ghost {
    background: transparent; color: rgba(255,255,255,.85);
    border: 1.5px solid rgba(255,255,255,.35);
    padding: 12px 26px; border-radius: var(--radius-sm);
    font-family: 'Vazirmatn', sans-serif; font-size: .96rem; font-weight: 600;
    cursor: pointer; text-decoration: none;
    display: inline-flex; align-items: center; gap: 8px;
    transition: all .2s;
  }
  .cta-ghost:hover { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.08); }

  /* ─── FOOTER ─── */
  footer {
    background: var(--navy-deep);
    color: rgba(255,255,255,.65);
    padding: 4rem 0 0;
  }
  .footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem; padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
  }
  .footer-brand p { font-size: .88rem; margin-top: 1rem; line-height: 1.8; }
  .footer-logo-text { font-size: 1.35rem; font-weight: 800; color: white; }
  .footer-logo-sub { font-size: .68rem; color: var(--teal); font-weight: 600; letter-spacing: 1px; display: block; margin-top: -3px; }
  .footer-logo-icon {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--navy-mid), var(--blue));
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; color: white; font-weight: 800;
    box-shadow: 0 4px 12px rgba(21,101,224,.3);
  }

  .social-links { display: flex; gap: 10px; margin-top: 1.2rem; }
  .social-link {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.5); font-size: 1rem;
    text-decoration: none; transition: all .2s;
  }
  .social-link:hover { background: var(--teal); color: var(--navy-deep); border-color: var(--teal); }

  .footer-col h4 { font-size: .92rem; font-weight: 800; color: white; margin-bottom: 1.2rem; }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: .6rem; }
  .footer-col ul li a {
    text-decoration: none; color: rgba(255,255,255,.55);
    font-size: .85rem; transition: color .2s;
  }
  .footer-col ul li a:hover { color: var(--teal-lt); }

  .contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: .8rem; font-size: .85rem; }
  .contact-icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

  
  .enamad img { width: 60px; height: 60px; object-fit: contain; border-radius: 6px; }
  

  .license {
    display: flex;
    align-items: end;
  }
  .license .enamad {
    width: 83px;
    height: 83px;
    margin-bottom: 17px;
  }
  .license a {
    padding: 10px;
    border-radius: 5px;
    background-color: #ffffff;
    margin-left: 5px;
  }

  /* ── پیام‌رسان بله ── */
  .bale {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius-md);
    padding: 1.2rem 1.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: -0.5rem;
    transition: all .2s;
  }
  .bale:hover {
    background: rgba(255,255,255,.1);
    border-color: rgba(0,183,167,.4);
  }
  .bale-header {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .bale-icon {
    width: 28px; height: 28px;
    object-fit: contain;
    border-radius: 6px;
    background: white;
    padding: 3px;
  }
  .bale-title {
    font-size: .92rem;
    font-weight: 800;
    color: white;
  }
  .bale-desc {
    font-size: .8rem;
    color: rgba(255,255,255,.55);
    line-height: 1.6;
    margin: 0;
  }
  .bale-btn-pc {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--teal), var(--teal-lt));
    color: var(--navy-deep);
    font-size: 11px;
    font-weight: 700;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    width: fit-content;
    font-family: 'Vazirmatn', sans-serif;
    transition: all .2s;
    margin-top: .2rem;
    box-shadow: 0 4px 12px rgba(0,183,167,.25);
  }
  .bale-btn-mobile {
    display: none;
  }
  .bale-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,183,167,.4);
  }
  .bale-btn-icon {
    width: 18px; height: 18px;
    object-fit: contain;
    border-radius: 4px;
    background: white;
    padding: 2px;
  }
  .bale-id {
    font-size: .75rem;
    color: rgba(255,255,255,.35);
    letter-spacing: .5px;
    padding-right: 2px;
  }

  .footer-bottom {
    padding: 1.5rem 0;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 1rem; font-size: .8rem;
  }
  .footer-bottom-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
  .footer-bottom-links a { color: rgba(255,255,255,.35); text-decoration: none; transition: color .2s; }
  .footer-bottom-links a:hover { color: var(--teal-lt); }

  /* اسلاید ۳ — متن روی عکس یخچال */
  .slide3-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to left, rgba(9,15,35,.72) 45%, transparent 100%);
  }
  .slide3-content {
    position: absolute; inset: 0; z-index: 2;
    display: flex; flex-direction: column;
    justify-content: center;
    padding-left: 5%;
    padding-right: 65%;
  }
  .slide3-text {
    font-size: 2.5rem;
    font-weight: 900; color: white; line-height: 1.2;
    margin-bottom: 1.8rem;
  }
  .slide3-hl { color: var(--teal-lt); display: block; }
  .slide3-btn {
    display: inline-flex; align-items: center; gap: 10px;
    background: linear-gradient(135deg, var(--teal), var(--teal-lt));
    color: var(--navy-deep); font-weight: 800;
    padding: 14px 32px; border-radius: 100px;
    font-size: 1.05rem; font-family: 'Vazirmatn', sans-serif;
    text-decoration: none; width: fit-content;
    box-shadow: 0 8px 24px rgba(0,183,167,.4);
    transition: all .2s;
  }
  .slide3-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,183,167,.55); }

  @media (max-width: 768px) {
    .slide3-content { padding-right: 5%; padding-left: 5%;margin-right: 200px;margin-top: 80px; justify-content: center; padding-bottom: 5rem; }
    .slide3-text { font-size: 10px;}
    .slide3-btn {display: none;}
    
    
    .slide3-overlay { background: linear-gradient(to top, rgba(9,15,35,.85) 40%, transparent 100%); }
  }
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 100px; }

  /* ─── FADE-IN ─── */
  .fade-in { opacity: 0; transform: translateY(24px); transition: opacity .6s, transform .6s; }
  .fade-in.visible { opacity: 1; transform: translateY(0); }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 900px) {
    .slide-content { grid-template-columns: 1fr; }
    .slide-img-col { display: none; }
    .slider-wrapper { aspect-ratio: 16 / 5; max-height: 70vh; }
    .calc-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .bale-btn-pc {
      display: none;
    }
    .bale-btn-mobile {
      display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--teal), var(--teal-lt));
    color: var(--navy-deep);
    font-size: .84rem;
    font-weight: 700;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    width: fit-content;
    font-family: 'Vazirmatn', sans-serif;
    transition: all .2s;
    margin-top: .2rem;
    box-shadow: 0 4px 12px rgba(0,183,167,.25);
    }
  }
  @media (max-width: 600px) {
    nav { display: none; }
    nav.open {
    display: flex;
    flex-direction: column;

    position: absolute;
    top: 72px;
    left: 0;
    right: 0;

    background-color: #fff;
    padding: 2rem;
    gap: .5rem;

    z-index: 9999;
    box-shadow: 0 4px 10px rgba(0,0,0,.15);
  }
    .hamburger { display: block; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .slider-wrapper { aspect-ratio: 16 / 5; max-height: 60vh; }
    .slider-btn { width: 38px; height: 38px; font-size: 1rem; }
    section { padding: 3rem 0; }
  }