/* =========================
       RESET
    ========================== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: Arial, Helvetica, sans-serif;
      background: #111;
      color: #fff;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    /* =========================
       NAVBAR
    ========================== */
    .navbar {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;

      display: flex;
      align-items: center;
      justify-content: space-between;

      padding: 28px 7%;

      background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.65),
        transparent
      );
    }

    .logo {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: 2px;
    }

    .logo span {
      color: #fff;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 35px;
      list-style: none;
    }

    .nav-links a {
      position: relative;
      font-size: 15px;
      font-weight: 500;
      color: #fff;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      bottom: -8px;
      left: 0;

      width: 0;
      height: 2px;

      background: #0ea5e9;
      transition: 0.3s ease;
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-button {
      padding: 12px 22px;
      border: 1px solid rgba(255, 255, 255, 0.6);
      border-radius: 50px;

      transition: 0.3s;
    }

    .nav-button:hover {
      background: #fff;
      color: #111;
    }

    /* =========================
       HERO SLIDER
    ========================== */
    .hero {
      position: relative;
      width: 100%;
      height: 100vh;
      min-height: 650px;

      overflow: hidden;
    }

    .slide {
      position: absolute;
      inset: 0;

      opacity: 0;
      visibility: hidden;

      transition:
        opacity 1s ease,
        visibility 1s ease;
    }

    .slide.active {
      opacity: 1;
      visibility: visible;
    }

    /* Background image */
    .slide-bg {
      position: absolute;
      inset: 0;

      width: 100%;
      height: 100%;

      object-fit: cover;

      transform: scale(1.08);
      transition: transform 7s ease;
    }

    .slide.active .slide-bg {
      transform: scale(1);
    }

    /* Overlay agar tulisan mudah dibaca */
    .slide::after {
      content: "";
      position: absolute;
      inset: 0;

      background:
        linear-gradient(
          90deg,
          rgba(0, 0, 0, 0.82) 0%,
          rgba(0, 0, 0, 0.55) 40%,
          rgba(0, 0, 0, 0.15) 75%,
          rgba(0, 0, 0, 0.1) 100%
        );
    }

    /* =========================
       HERO CONTENT
    ========================== */
    .hero-content {
      position: relative;
      z-index: 5;

      display: flex;
      align-items: center;

      height: 100%;
      max-width: 1400px;

      margin: auto;
      padding: 0 7%;
    }

    .hero-text {
      max-width: 650px;
    }

    .subtitle {
      display: inline-block;

      margin-bottom: 20px;

      font-size: 13px;
      font-weight: 700;
      letter-spacing: 4px;
      text-transform: uppercase;

      color: #0ea5e9;

      opacity: 0;
      transform: translateY(30px);
    }

    .hero-text h1 {
      font-size: clamp(48px, 7vw, 100px);
      line-height: 0.95;
      font-weight: 800;

      margin-bottom: 25px;

      opacity: 0;
      transform: translateY(40px);
    }

    .hero-text p {
      max-width: 550px;

      font-size: 17px;
      line-height: 1.8;

      color: rgba(255, 255, 255, 0.78);

      margin-bottom: 35px;

      opacity: 0;
      transform: translateY(40px);
    }

    .hero-buttons {
      display: flex;
      gap: 15px;

      opacity: 0;
      transform: translateY(40px);
    }

    /* =========================
       ANIMASI TEKS
    ========================== */
    .slide.active .subtitle {
      animation: fadeUp 0.8s ease forwards 0.3s;
    }

    .slide.active h1 {
      animation: fadeUp 0.9s ease forwards 0.5s;
    }

    .slide.active p {
      animation: fadeUp 0.9s ease forwards 0.7s;
    }

    .slide.active .hero-buttons {
      animation: fadeUp 0.9s ease forwards 0.9s;
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(40px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* =========================
       BUTTON
    ========================== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;

      padding: 16px 28px;

      border-radius: 50px;

      font-size: 14px;
      font-weight: 700;

      transition: 0.35s ease;
    }

    .btn-primary {
      background: #0ea5e9;
      color: #fff;
    }

    .btn-primary:hover {
      background: #fff;
      transform: translateY(-3px);
    }

    .btn-outline {
      border: 1px solid rgba(255, 255, 255, 0.5);
      color: #fff;
    }

    .btn-outline:hover {
      background: #fff;
      color: #111;
      transform: translateY(-3px);
    }

    /* =========================
       SLIDER ARROWS
    ========================== */
    .slider-controls {
      position: absolute;
      right: 7%;
      bottom: 60px;

      z-index: 20;

      display: flex;
      gap: 12px;
    }

    .arrow {
      width: 55px;
      height: 55px;

      border: 1px solid rgba(255, 255, 255, 0.35);
      border-radius: 50%;

      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(10px);

      color: #fff;

      font-size: 22px;

      cursor: pointer;

      transition: 0.3s ease;
    }

    .arrow:hover {
      background: #fff;
      color: #111;
      transform: scale(1.08);
    }

    /* =========================
       DOTS
    ========================== */
    .dots {
      position: absolute;
      z-index: 20;

      left: 7%;
      bottom: 65px;

      display: flex;
      align-items: center;
      gap: 12px;
    }

    .dot {
      width: 8px;
      height: 8px;

      border: none;
      border-radius: 50%;

      background: rgba(255, 255, 255, 0.4);

      cursor: pointer;

      transition: 0.3s;
    }

    .dot.active {
      width: 35px;
      border-radius: 10px;
      background: #0ea5e9;
    }

    /* =========================
       SLIDE NUMBER
    ========================== */
    .slide-number {
      position: absolute;
      z-index: 20;

      right: 7%;
      top: 50%;

      transform: translateY(-50%);

      display: flex;
      align-items: baseline;
      gap: 5px;

      color: rgba(255, 255, 255, 0.4);
    }

    .current-number {
      font-size: 55px;
      font-weight: 700;
      color: #fff;
    }

    .total-number {
      font-size: 16px;
    }

    /* =========================
       MOBILE MENU
    ========================== */
    .menu-toggle {
      display: none;

      width: 45px;
      height: 45px;

      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: 50%;

      background: rgba(255, 255, 255, 0.1);

      color: #fff;
      font-size: 22px;

      cursor: pointer;
    }

    /* =========================
       RESPONSIVE
    ========================== */
    @media (max-width: 768px) {
      .navbar {
        padding: 22px 6%;
      }

      .menu-toggle {
        display: block;
        z-index: 1001;
      }

      .nav-links {
        position: fixed;
        top: 0;
        right: -100%;

        width: 75%;
        height: 100vh;

        flex-direction: column;
        align-items: flex-start;
        justify-content: center;

        padding: 50px;

        background: rgba(10, 10, 10, 0.97);

        transition: right 0.5s ease;
      }

      .nav-links.show {
        right: 0;
      }

      .nav-links a {
        font-size: 20px;
      }

      .hero-content {
        padding: 0 6%;
      }

      .hero-text {
        margin-top: 50px;
      }

      .hero-text h1 {
        font-size: 52px;
      }

      .hero-text p {
        font-size: 15px;
      }

      .hero-buttons {
        flex-wrap: wrap;
      }

      .slide-number {
        display: none;
      }

      .slider-controls {
        right: 6%;
        bottom: 35px;
      }

      .dots {
        left: 6%;
        bottom: 55px;
      }

      .arrow {
        width: 48px;
        height: 48px;
      }
    }