/* ========================
   Reset & Global Styles
======================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1f2933;
    background: #f8fafc;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  .container {
    max-width: 1100px;
    margin: auto;
    padding: 0 1rem;
  }
  
  /* ========================
     Header
  ======================== */
  .header {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
  }
  .logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: #2563eb;
  }
  .menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
  }
  .menu li {
    position: relative;
  }
  .menu a:hover {
    color: #2563eb;
  }
  
  /* Dropdown */
  .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    min-width: 220px;
    padding: 0.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 50;
  }
  .dropdown-menu li {
    padding: 0.5rem 1rem;
  }
  .dropdown:hover .dropdown-menu {
    display: block;
  }
  
  /* Buttons */
  .btn {
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  .btn.primary {
    background: #2563eb;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  }
  .btn.primary:hover {
    background: #1d4ed8;
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
  }
  
  /* ========================
     Hero Section
  ======================== */
  .hero {
    background: url('https://images.unsplash.com/photo-1679870253152-b1e33b35b4aa?auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
    padding: 6rem 0;
    text-align: center;
    color: #ffffff;
    position: relative;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(37, 99, 235, 0.4);
    mix-blend-mode: overlay;
  }
  .hero .container {
    position: relative;
    z-index: 2;
  }
  .hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
  }
  .hero p {
    max-width: 600px;
    margin: 0 auto 2rem;
    color: #f3f4f6;
    font-size: 1.125rem;
  }
  
  /* ========================
     Sections
  ======================== */
  .section {
    padding: 4rem 0;
  }
  
  .section h1 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: #111827;
  }
  
  .section p {
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.8;
  }
  
  /* ========================
     About Section
  ======================== */
  .about {
    background: #f9fafb;
    border-radius: 12px;
    margin: 2rem 0;
    padding: 2rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  }
  
  /* ========================
     Contact Section
  ======================== */
  .contact {
    background: url('https://images.unsplash.com/photo-1682685790351-6197e8d3d2e5?auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
    position: relative;
    color: white;
    border-radius: 12px;
    padding: 5rem 0;
  }
  .contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.55);
    border-radius: 12px;
  }
  .contact .container {
    position: relative;
    z-index: 2;
    max-width: 700px;
  }
  .contact h1 {
    color: #ffffff;
  }
  .contact p {
    color: #e0e7ff;
    margin-bottom: 2rem;
  }
  
  /* Contact Form */
  .contact form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .contact label {
    font-weight: 600;
    color: #f3f4f6;
    margin-bottom: 0.25rem;
  }
  
  .contact input,
  .contact textarea {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border: none;
    font-size: 1rem;
    background: rgba(255,255,255,0.9);
    color: #111827;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
  }
  
  .contact input:focus,
  .contact textarea:focus {
    outline: none;
    box-shadow: 0 6px 18px rgba(37,99,235,0.4);
  }
  
  .contact button.btn.primary {
    align-self: flex-start;
    padding: 0.75rem 2rem;
    font-size: 1rem;
  }
  
  #form-status {
    margin-top: 1rem;
    font-weight: 600;
  }
  
  /* ========================
     Footer
  ======================== */
  .footer {
    background: #1f2933;
    color: #f3f4f6;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.875rem;
  }
  
  /* ========================
     Responsive
  ======================== */
  @media (max-width: 768px) {
    .menu { gap: 1rem; font-size: 0.9rem; }
    .hero h1 { font-size: 2rem; }
    .contact .container { padding: 0 1rem; }
  }