/* ───────────────────────────────────────────
   Engaige Brand Kit / Utility Tokens
─────────────────────────────────────────── */
:root{
    /* Core palette */
    --clr-primary-50 : #e7f0ff;
    --clr-primary-100: #c9dcff;
    --clr-primary-200: #a0c1ff;
    --clr-primary-300: #78a6ff;
    --clr-primary-400: #4f8bff;
    --clr-primary-500: #256fff;   /* MAIN accent */
    --clr-primary-600: #1d59cc;
    --clr-primary-700: #154399;
    --clr-primary-800: #0d2d66;
    --clr-primary-900: #061633;
  
    --clr-accent-500 : #27c24c;   /* secondary CTA / success */
    --clr-neutral-900: #111;
    --clr-neutral-700: #333;
    --clr-neutral-600: #555;
    --clr-neutral-400: #777;
    --clr-neutral-200: #ddd;
    --clr-neutral-100: #f7f8fa;
    --clr-error      : #e53935;
  
    /* Typography */
    --ff-base  : 'Inter', system-ui, sans-serif;
    --fs-900   : clamp(2rem, 5vw + .5rem, 3rem);  /* big hero */
    --fs-700   : 1.5rem;
    --fs-600   : 1.25rem;
    --fs-500   : 1.125rem;
    --fs-400   : 1rem;
  
    /* Sizing helpers */
    --size-step-0: .5rem;
    --size-step-1: 1rem;
    --size-step-2: 1.5rem;
    --size-step-3: 2rem;
    --size-step-4: 3rem;
  
    --radius-s : .35rem;
    --radius-m : .6rem;
    --shadow-s : 0 2px 6px rgb(0 0 0 / .06);
    --shadow-m : 0 6px 18px rgb(0 0 0 / .1);
  
    scroll-behavior:smooth;
    color-scheme:light;
  }
  
  /* ───────── Base / Resets ───────── */
  *,*::before,*::after{box-sizing:border-box;}
  body{
    margin:0;
    font-family:var(--ff-base);
    font-size:var(--fs-400);
    line-height:1.55;
    color:var(--clr-neutral-900);
    background:#fff;
  }
  img{max-width:100%;display:block;}
  a{text-decoration:none;color:inherit;}
  h1,h2,h3{margin:0 0 var(--size-step-1)}
  h1{font-size:var(--fs-900);font-weight:700;line-height:1.12}
  h2{font-size:var(--fs-700);font-weight:700}
  h3{font-size:var(--fs-600);font-weight:600}
  p{margin:0 0 var(--size-step-1)}
  
  .container{
    width:min(90%,70rem);
    margin-inline:auto;
  }
  button,input,select{
    font-family:var(--ff-base);
    font-size:var(--fs-400);
  }
  
  /* ───────── Header ───────── */
  .header{
    background:#fff;
    position:sticky;top:0;z-index:10;
    box-shadow:var(--shadow-s);
  }
  .header .container{
    display:flex;align-items:center;gap:var(--size-step-2);
    padding:var(--size-step-1) 0;
  }
  .logo{
    font-weight:700;
    font-size:1.3rem;
    letter-spacing:-.3px;
    color:var(--clr-primary-600);
  }
  .nav{margin-left:auto;display:flex;gap:var(--size-step-2)}
  .nav a{padding:.25rem .5rem;border-radius:var(--radius-s)}
  .nav a:hover{background:var(--clr-primary-50)}
  .cta-btn{
    background:var(--clr-primary-500);
    color:#fff;
    padding:.55rem 1.25rem;
    border-radius:var(--radius-s);
    font-weight:600;
    transition:.25s background;
  }
  .cta-btn:hover{background:var(--clr-primary-600)}
  
  /* ───────── Hero ───────── */
  .hero{
    padding:var(--size-step-4) 0 var(--size-step-3);
    background:linear-gradient(120deg,var(--clr-primary-100),#fff 60%);
  }
  .hero-grid{
    display:grid;
    align-items:center;
    gap:var(--size-step-3);
  }
  @media(min-width:50rem){
    .hero-grid{
      grid-template-columns:1fr 43%;
    }
  }
  .subhead{font-size:var(--fs-500);color:var(--clr-neutral-700)}
  
  .lead-form{
    margin-top:var(--size-step-2);
    display:grid;
    gap:var(--size-step-1);
    background:#fff;
    padding:var(--size-step-2);
    border-radius:var(--radius-m);
    box-shadow:var(--shadow-m);
  }
  .lead-form label{font-weight:500}
  .lead-form input{
    padding:.6rem .75rem;
    border:1px solid var(--clr-neutral-200);
    border-radius:var(--radius-s);
  }
  .lead-form input:focus{
    outline:2px solid var(--clr-primary-500);
    border-color:transparent;
  }
  .submit-btn{
    margin-top:var(--size-step-1);
    background:var(--clr-primary-500);
    color:#fff;
    border:none;
    border-radius:var(--radius-s);
    padding:.75rem;
    font-weight:600;
    cursor:pointer;
    transition:.2s background;
  }
  .submit-btn:hover{background:var(--clr-primary-600)}
  .privacy-note{font-size:.75rem;color:var(--clr-neutral-600);text-align:center}
  
  .product-options label{display:block;font-weight:600;margin-bottom:.5rem}
  .options-grid{
    display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem;
  }
  .product-option{
    flex:1 1 120px;
    border:1px solid var(--clr-neutral-200);
    border-radius:var(--radius-s);
    padding:.55rem .5rem;
    background:#fff;
    cursor:pointer;
    text-align:center;
    transition:.15s all;
  }
  .product-option:hover{border-color:var(--clr-primary-300)}
  .product-option.selected{
    background:var(--clr-primary-500);
    border-color:var(--clr-primary-500);
    color:#fff;font-weight:600;
  }
  
  /* ───────── Partners ───────── */
  .partners{
    padding:var(--size-step-3) 0;
    background:var(--clr-neutral-100);
    text-align:center;
  }
  .partners-intro{font-weight:600;margin-bottom:var(--size-step-2)}
  .partners-logos{
    display:flex;justify-content:center;flex-wrap:wrap;
    gap:var(--size-step-2);
    align-items:center;
  }
  .partners-logos img{height:45px;width:auto;opacity:.75;filter:grayscale(1)}
  .partners-logos img:hover{opacity:1}
  
  /* ───────── Steps ───────── */
  .steps{padding:var(--size-step-4) 0}
  .steps-grid{
    display:grid;gap:var(--size-step-2)
  }
  @media(min-width:45rem){
    .steps-grid{grid-template-columns:repeat(3,1fr)}
  }
  .step{
    text-align:center;
    padding:var(--size-step-2);
  }
  .step-num{
    width:48px;height:48px;
    margin-inline:auto;
    border-radius:50%;
    background:var(--clr-primary-500);color:#fff;
    display:grid;place-content:center;
    font-weight:700;font-size:1.25rem;
  }
  .step h3{margin-top:var(--size-step-1)}
  
  /* ───────── Benefits ───────── */
  .benefits{padding:var(--size-step-4) 0;background:var(--clr-neutral-100)}
  .benefits-list{
    list-style:none;padding:0;
    display:grid;gap:var(--size-step-1);
  }
  @media(min-width:40rem){
    .benefits-list{grid-template-columns:repeat(2,1fr)}
  }
  .benefits-list li{
    padding-left:1.75rem;position:relative;
  }
  .benefits-list li::before{
    content:'✔';
    position:absolute;left:0;top:0;
    color:var(--clr-accent-500);font-weight:700;
  }
  
  /* ───────── Testimonials ───────── */
  .testimonials{padding:var(--size-step-4) 0}
  .testimonial-cards{
    display:grid;gap:var(--size-step-2)
  }
  @media(min-width:50rem){
    .testimonial-cards{grid-template-columns:repeat(3,1fr)}
  }
  .testimonial-cards blockquote{
    background:#fff;padding:var(--size-step-2);
    border-radius:var(--radius-m);
    box-shadow:var(--shadow-s);
    font-style:italic;
    position:relative;
  }
  .testimonial-cards blockquote::before{
    content:'"';font-size:3rem;line-height:0;
    position:absolute;top:.2rem;left:.6rem;color:var(--clr-primary-200);
  }
  
  /* ───────── FAQ ───────── */
  .faq{padding:var(--size-step-4) 0;background:var(--clr-neutral-100)}
  .faq-question{
    width:100%;text-align:left;
    padding:var(--size-step-1) var(--size-step-2);
    font-size:var(--fs-500);
    font-weight:600;
    border:none;background:#fff;
    border-radius:var(--radius-m);
    box-shadow:var(--shadow-s);
    display:flex;justify-content:space-between;align-items:center;
    cursor:pointer;transition:.25s background;
  }
  .faq-question::after{
    content:'+';
    font-weight:700;font-size:1.25rem;
  }
  .faq-question.open::after{content:'–'}
  .faq-question:hover{background:var(--clr-primary-50)}
  .faq-answer{
    max-height:0;overflow:hidden;
    transition:max-height .35s ease;
    background:#fff;
    margin-top:.25rem;
    border-radius:0 0 var(--radius-m) var(--radius-m);
    box-shadow:var(--shadow-s);
  }
  .faq-answer.open{padding:var(--size-step-1) var(--size-step-2)}
  .faq-answer p{margin:0}
  
  /* JS toggles open class; simple max-height trick */
  .faq-answer.open{max-height:200px}
  
  /* ───────── Bottom CTA ───────── */
  .cta-bottom{
    padding:var(--size-step-4) 0;
    background:var(--clr-primary-500);
    text-align:center;
    color:#fff;
  }
  .cta-bottom h2{margin-bottom:var(--size-step-2)}
  .cta-bottom .cta-btn{
    background:#fff;color:var(--clr-primary-600);
  }
  .cta-bottom .cta-btn:hover{background:var(--clr-neutral-100)}
  
  /* ───────── Footer ───────── */
  .footer{
    background:#0d1d3a;color:#c4d0f2;
    font-size:.875rem;
    text-align:center;
    padding:var(--size-step-3) 0;
  }
  .footer a{color:#c4d0f2;text-decoration:underline}
  .footer a:hover{color:#fff}
  
  /* ───────── Utilities ───────── */
  @media(prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important}
  }
  
  /* Focus ring accessibility */
  :focus-visible{
    outline:3px solid var(--clr-accent-500);
    outline-offset:2px;
  }
  
  /* Lazy-image helper (already using loading="lazy" in HTML) */
  img[data-src]{opacity:0;transition:opacity .6s}
  img[data-src].loaded{opacity:1}
  
  /* Product Selection Cards */
  .product-selection {
    margin: 2rem 0;
  }
  
  .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
  }
  
  .product-card {
    background: #fff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  
  .product-card:hover {
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  }
  
  .product-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }
  
  .product-card h3 {
    margin: 0.5rem 0;
    color: #1f2937;
    font-size: 1.25rem;
  }
  
  .product-card p {
    color: #6b7280;
    margin: 0;
    font-size: 0.875rem;
  }
  
  /* Modal Dialog */
  .modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    padding: 1rem;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
  }
  
  .modal-content {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
  }
  
  .modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    color: #6b7280;
  }
  
  .modal-close:hover {
    color: #1f2937;
  }
  
  /* Form Styles */
  .lead-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .form-group {
    margin: 1rem 0;
  }
  
  label {
    display: block;
    margin-bottom: 0.5rem;
    color: #374151;
    font-weight: 500;
  }
  
  input[type="text"],
  input[type="tel"],
  input[type="email"],
  select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
  }
  
  input[type="text"]:focus,
  input[type="tel"]:focus,
  input[type="email"]:focus,
  select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  }
  
  .submit-btn {
    background: #3b82f6;
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
  }
  
  .submit-btn:hover {
    background: #2563eb;
  }
  
  .privacy-note {
    text-align: center;
    color: #6b7280;
    font-size: 0.875rem;
  }
  
  /* Checkbox styling */
  input[type="checkbox"] {
    margin-right: 0.5rem;
  }
  
  /* Responsive adjustments */
  @media (max-width: 640px) {
    .product-grid {
      grid-template-columns: 1fr;
    }
    
    .modal-content {
      padding: 1.5rem;
    }
  }