/* RESET */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html, body {
      height: 100%;
      font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background: linear-gradient(135deg, #f9f9f9 0%, #e6e6e6 100%);
      color: #222;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      scroll-behavior: smooth;
    }

    /* VARIABLES */
    :root {
      --accent: #f1c40f;
      --accent-dark: #c49d0d;
      --dark:#000;
      --dark-light: #162a53;
      --white: #ffffff;
      --shadow-light: rgba(0, 0, 0, 0.08);
      --shadow-heavy: rgba(0, 0, 0, 0.15);
    }

    /* HEADER */
    header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1200;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 48px;
      background: #000;
      transition: background 0.3s ease, box-shadow 0.3s ease;
      backdrop-filter: saturate(180%) blur(12px);
      -webkit-backdrop-filter: saturate(180%) blur(12px);
    }
    header.scrolled {
      background: var(--dark);
      box-shadow: 0 6px 24px var(--shadow-heavy);
    }
    .logo {
      font-weight: 700;
      font-size: 22px;
      color: var(--white);
      letter-spacing: 1px;
      user-select: none;
      font-style: italic;
      text-shadow: 1px 1px 2px rgba(0,0,0,0.35);
    }
    .logo span {
      font-weight: 600;
      color: var(--accent);
      font-style: normal;
    }
    nav ul {
      list-style: none;
      display: flex;
      gap: 28px;
      align-items: center;
      font-size: 16px;
    }
    nav ul li a {
      color: var(--white);
      text-decoration: none;
      font-weight: 600;
      position: relative;
      padding: 6px 0;
      transition: color 0.25s ease;
    }
    nav ul li a::after {
      content: "";
      position: absolute;
      width: 0%;
      height: 3px;
      bottom: -4px;
      left: 0;
      background-color: var(--accent);
      transition: width 0.3s ease;
      border-radius: 3px;
    }
    nav ul li a:hover,
    nav ul li a:focus {
      color: var(--accent);
      outline: none;
    }
    nav ul li a:hover::after,
    nav ul li a:focus::after {
      width: 100%;
    }

    /* BURGER MENU */
    .burger {
      display: none;
      flex-direction: column;
      gap: 6px;
      cursor: pointer;
      transition: transform 0.3s ease;
      user-select: none;
    }
    .burger div {
      width: 28px;
      height: 4px;
      background: var(--white);
      border-radius: 4px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.3);
      transition: background 0.3s ease;
    }
    .burger:hover div,
    .burger:focus div {
      background: var(--accent);
      outline: none;
    }

    /* SLIDER */
    .slider {
      margin-top: 72px;
      position: relative;
      overflow: hidden;
      border-radius: 16px;
      max-width: 100%;
      box-shadow: 0 15px 35px var(--shadow-heavy);
      background: #000;
    }
    .slide {
      display: none;
      position: relative;
      height: calc(100vh - 72px);
      min-height: 480px;
      transition: opacity 0.3s ease;
      will-change: opacity;
    }
    .slide.active {
      display: block;
      opacity: 1;
      animation: fadeUp 1s ease forwards;
    }
    .slide .bg {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      filter: brightness(0.55) saturate(110%);
      border-radius: 16px;
    }
    .slide .content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      text-align: center;
      color: var(--white);
      max-width: 1100px;
      padding: 25px 30px;
      backdrop-filter: blur(12px);
      background-color: rgba(10, 26, 47, 0.55);
      border-radius: 14px;
      box-shadow: 0 10px 30px var(--shadow-heavy);
      user-select: none;
    }
    .slide h2 {
      font-size: clamp(28px, 5vw, 52px);
      margin-bottom: 18px;
      line-height: 1.1;
      font-weight: 700;
      letter-spacing: 1.2px;
      text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
      font-family: "Poppins", sans-serif;
    }
    .slide p {
      font-size: clamp(16px, 2vw, 20px);
      margin-bottom: 26px;
      opacity: 0.9;
      max-width: 850px;
      line-height: 1.4;
    }
    .cta-btn {
      display: inline-block;
      padding: 14px 32px;
      background: var(--accent);
      color: var(--dark);
      border-radius: 999px;
      font-weight: 700;
      text-decoration: none;
      letter-spacing: 1.1px;
      box-shadow: 0 8px 20px var(--accent);
      transition: background-color 0.35s ease, box-shadow 0.35s ease;
    }
    .cta-btn:hover,
    .cta-btn:focus {
      background: var(--accent-dark);
      box-shadow: 0 10px 28px var(--accent-dark);
      color: var(--white);
      outline: none;
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translate(-50%, -40%);
      }
      to {
        opacity: 1;
        transform: translate(-50%, -50%);
      }
    }

    /* CONTROLS */
    .slider-controls {
      position: absolute;
      inset: 0;
      pointer-events: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 22px;
      user-select: none;
    }
    .prev, .next {
      font-size: 28px;
      background: rgba(0, 0, 0, 0.5);
      color: var(--white);
      padding: 12px 16px;
      border-radius: 12px;
      cursor: pointer;
      user-select: none;
      pointer-events: auto;
      transition: background-color 0.25s ease;
      box-shadow: 0 0 10px rgba(0,0,0,0.5);
    }
    .prev:hover, .next:hover,
    .prev:focus, .next:focus {
      background-color: rgba(0, 0, 0, 0.75);
      outline: none;
      box-shadow: 0 0 16px var(--accent);
    }

    .dots {
      position: absolute;
      bottom: 28px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 14px;
      pointer-events: auto;
    }
    .dot {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.55);
      border: none;
      cursor: pointer;
      transition: background-color 0.35s ease, transform 0.3s ease;
      box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    }
    .dot.active {
      background: var(--accent);
      transform: scale(1.3);
      box-shadow: 0 0 18px var(--accent);
    }
    .dot:focus {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    /* SECTIONS */
    section {
      padding: 80px 24px;
      max-width: 1200px;
      margin: 0 auto;
    }
    section h2 {
      text-align: center;
      font-size: 32px;
      color: var(--dark-light);
      margin-bottom: 48px;
      font-weight: 700;
      letter-spacing: 1.2px;
      text-shadow: 1px 1px 2px rgba(0,0,0,0.05);
    }

    /* GRID CARDS */
    .grid {
      display: grid;
      gap: 28px;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    .card {
      background: var(--white);
      padding: 32px 28px;
      border-radius: 20px;
      box-shadow: 0 10px 36px var(--shadow-light);
      transition: transform 0.32s ease, box-shadow 0.32s ease;
      text-align: center;
      cursor: default;
    }
    .card:hover,
    .card:focus-within {
      transform: translateY(-14px);
      box-shadow: 0 20px 48px var(--shadow-heavy);
      outline: none;
    }
    .card h3 {
      margin-bottom: 14px;
      color: var(--dark-light);
      font-weight: 700;
      font-size: 22px;
      letter-spacing: 0.8px;
    }
    .card p {
      font-size: 16px;
      opacity: 0.85;
      line-height: 1.5;
      color: #444;
    }

    /* CONTACT FORM */
    form {
      max-width: 680px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    input, textarea {
      padding: 16px 18px;
      border-radius: 12px;
      border: 1.8px solid #ddd;
      font-size: 16px;
      font-family: inherit;
      box-shadow: inset 0 2px 6px rgba(0,0,0,0.06);
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
      resize: vertical;
    }
    input:focus, textarea:focus {
      border-color: var(--accent);
      box-shadow: 0 0 10px var(--accent);
      outline: none;
    }
    button[type="submit"] {
      background: var(--dark);
      color: var(--white);
      padding: 16px 0;
      border-radius: 12px;
      border: none;
      cursor: pointer;
      font-weight: 700;
      font-size: 18px;
      letter-spacing: 1.1px;
      box-shadow: 0 12px 30px rgba(10, 26, 47, 0.5);
      transition: background-color 0.35s ease, box-shadow 0.35s ease;
    }
    button[type="submit"]:hover,
    button[type="submit"]:focus {
      background: var(--accent);
      color: var(--dark);
      box-shadow: 0 18px 40px var(--accent);
      outline: none;
    }

    /* CONTACT INFO */
    #contact p {
      text-align: center;
      margin-top: 28px;
      color: #555;
      font-size: 16px;
      letter-spacing: 0.4px;
    }
    #contact a {
      color: var(--dark-light);
      text-decoration: underline;
      transition: color 0.3s ease;
    }
    #contact a:hover,
    #contact a:focus {
      color: var(--accent);
      outline: none;
    }

    /* FOOTER */
    footer {
      background: var(--dark);
      color: var(--white);
      padding: 20px 0;
      text-align: center;
      margin-top: 48px;
      font-size: 15px;
      letter-spacing: 0.4px;
      user-select: none;
    }

    /* RESPONSIVE */
    @media (max-width: 900px) {
      header {
        padding: 14px 24px;
      }
      nav ul {
        gap: 20px;
        font-size: 15px;
      }
      section {
        padding: 64px 18px;
        max-width: 100%;
      }
      section h2 {
        font-size: 28px;
        margin-bottom: 36px;
      }
      .card {
        padding: 26px 20px;
      }
    }
    @media (max-width: 768px) {
      .burger {
        display: flex;
      }
      nav ul {
        display: none;
        position: absolute;
        right: 12px;
        top: 56px;
        background: var(--dark);
        padding: 16px 18px;
        border-radius: 14px;
        flex-direction: column;
        gap: 14px;
        width: 200px;
        box-shadow: 0 10px 36px var(--shadow-heavy);
        z-index: 1300;
      }
      nav ul.active {
        display: flex;
      }
      nav ul li a {
        color: var(--white);
        font-weight: 600;
        font-size: 17px;
      }
      .prev, .next {
        font-size: 22px;
        padding: 10px 14px;
      }
    }