html,
  body {
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
  }

        .hero-premium {
    position: relative;
    /* Full-bleed: hero mengimbangi padding wrapper (px-2 = 8px kiri/kanan)
       sehingga menutupi seluruh viewport tanpa strip putih / oversize. */
    width: calc(100% + 16px);
    margin-left: -8px;
    margin-right: -8px;
    align-self: stretch;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: hidden;
    color: #fff;
    display: flex;
    align-items: center;
    background: #050d1a;
  }

  /* ── BACKGROUND LAYERS ── */
  .gradient-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
      radial-gradient(ellipse 80% 60% at 20% 30%, rgba(30, 80, 180, 0.40) 0%, transparent 60%),
      radial-gradient(ellipse 60% 50% at 80% 70%, rgba(10, 50, 130, 0.30) 0%, transparent 55%),
      linear-gradient(160deg, #050d1a 0%, #0a1628 45%, #0d1f3c 75%, #071220 100%);
  }

  .nebula {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
  }

  .nebula-1 {
    background:
      radial-gradient(ellipse 70% 40% at 15% 25%, rgba(59, 130, 246, 0.10) 0%, transparent 60%),
      radial-gradient(ellipse 50% 60% at 85% 60%, rgba(99, 102, 241, 0.08) 0%, transparent 55%);
    animation: nebulaFloat 25s ease-in-out infinite;
  }

  @keyframes nebulaFloat {

    0%,
    100% {
      transform: scale(1) translate(0, 0);
    }

    33% {
      transform: scale(1.05) translate(12px, -8px);
    }

    66% {
      transform: scale(0.97) translate(-8px, 12px);
    }
  }

  /* star canvas */
  #star-canvas {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    width: 100%;
    height: 100%;
  }

  /* grid overlay */
  .grid-overlay {
    position: absolute;
    inset: 0;
    z-index: 4;
    background-image:
      linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 28s linear infinite;
  }

  @keyframes gridMove {
    0% {
      transform: translate(0, 0);
    }

    100% {
      transform: translate(60px, 60px);
    }
  }

  /* pulsing rings */
  .pulsing-rings {
    position: absolute;
    inset: 0;
    z-index: 5;
    overflow: hidden;
    pointer-events: none;
  }

  .pulse-ring {
    position: absolute;
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    animation: pulseExpand 8s ease-out infinite;
  }

  .pulse-ring-1 {
    top: 20%;
    left: 10%;
    width: 100px;
    height: 100px;
  }

  .pulse-ring-2 {
    top: 60%;
    right: 15%;
    width: 160px;
    height: 160px;
    animation-delay: 2.5s;
  }

  .pulse-ring-3 {
    bottom: 20%;
    left: 40%;
    width: 120px;
    height: 120px;
    animation-delay: 5s;
  }

  @keyframes pulseExpand {
    0% {
      transform: scale(0.4);
      opacity: 0;
    }

    30% {
      opacity: 0.6;
    }

    100% {
      transform: scale(2.8);
      opacity: 0;
    }
  }

  /* ── GLOBE CANVAS ── */
  #globe-canvas {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
    pointer-events: none;
  }

  /* ── CONTENT ── */
  .hero-premium .container {
    position: relative;
    z-index: 10;
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
  }

  .hero-content {
    max-width: 680px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.80rem;
    font-weight: 600;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    margin-bottom: 32px;
    transition: all 0.3s ease;
  }

  .hero-badge:hover {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(255, 255, 255, 0.10);
    transform: translateY(-2px);
  }

  .badge-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulseDot 2s infinite;
    flex-shrink: 0;
  }

  @keyframes pulseDot {

    0%,
    100% {
      box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
    }

    50% {
      box-shadow: 0 0 0 8px rgba(74, 222, 128, 0);
      transform: scale(1.2);
    }
  }

  .hero-premium h1 {
    font-size: 5.8rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -3px;
  }

  .hero-premium .brand-name {
    display: block;
    background: linear-gradient(135deg, #ffffff 0%, #93c5fd 40%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    animation: shimmer 4s ease-in-out infinite;
    background-size: 200% auto;
  }

  @keyframes shimmer {

    0%,
    100% {
      background-position: 0% center;
    }

    50% {
      background-position: 100% center;
    }
  }

  .hero-premium .tagline {
    display: block;
    font-size: 4.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-description {
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.68);
    margin: 28px 0 48px;
    max-width: 560px;
  }

  .hero-description .highlight {
    color: rgba(147, 197, 253, 0.92);
    font-weight: 500;
  }

  .hero-cta-wrapper {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
  }

  .btn-primary-hero {
    position: relative;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(59, 130, 246, 0.5);
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.4);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .btn-primary-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    opacity: 0;
    transition: opacity 0.3s;
  }

  .btn-primary-hero:hover::before {
    opacity: 1;
  }

  .btn-primary-hero span,
  .btn-primary-hero svg {
    position: relative;
    z-index: 1;
  }

  .btn-primary-hero:hover {
    transform: translateY(-3px);
    color: #fff;
    box-shadow: 0 16px 48px rgba(37, 99, 235, 0.55);
  }

  .btn-secondary-hero {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, 0.20);
    backdrop-filter: blur(12px);
    transition: all 0.4s ease;
  }

  .btn-secondary-hero:hover {
    background: rgba(255, 255, 255, 0.10);
    border-color: rgba(255, 255, 255, 0.40);
    transform: translateY(-3px);
    color: #fff;
  }

  /* scroll hint */
  .scroll-hint {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 0.3s;
  }

  .scroll-hint:hover {
    opacity: 1;
  }

  .scroll-text {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
  }

  .scroll-mouse {
    width: 24px;
    height: 38px;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    position: relative;
  }

  .scroll-mouse::before {
    content: '';
    position: absolute;
    top: 7px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 7px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: scrollWheel 2s infinite;
  }

  @keyframes scrollWheel {
    0% {
      opacity: 1;
      top: 7px;
    }

    100% {
      opacity: 0;
      top: 22px;
    }
  }

  /* ════════════════════════════════════
     RESPONSIVE
  ════════════════════════════════════ */
  @media (max-width: 1200px) {
    .hero-premium h1 {
      font-size: 4.8rem;
    }

    .hero-premium .tagline {
      font-size: 4rem;
    }

    #globe-canvas {
      right: -8%;
    }
  }

  @media (max-width: 992px) {
    .hero-premium h1 {
      font-size: 3.8rem;
      letter-spacing: -2px;
    }

    .hero-premium .tagline {
      font-size: 3.2rem;
    }

    .hero-description {
      font-size: 1.1rem;
    }

    #globe-canvas {
      right: -15%;
      width: 480px;
      height: 480px;
    }

    .hero-content {
      max-width: 560px;
    }
  }

  /* Mobile: sembunyikan globe canvas sepenuhnya */
  @media (max-width: 768px) {
    .hero-premium {
      min-height: 100dvh;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 0;
    }

    .hero-premium .container {
      padding: 0 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100dvh;
    }

    .hero-content {
      max-width: 100%;
      padding: 100px 0 80px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    /* Sembunyikan globe di mobile - tidak perlu render */
    #globe-canvas {
      display: none;
    }

    .hero-premium h1 {
      font-size: clamp(2.4rem, 10vw, 3.4rem);
      letter-spacing: -1.5px;
      margin-bottom: 14px;
    }

    .hero-premium .tagline {
      font-size: clamp(2rem, 8.5vw, 2.9rem);
    }

    .hero-badge {
      font-size: 0.72rem;
      padding: 8px 16px;
      margin-bottom: 22px;
      letter-spacing: 1.2px;
    }

    .hero-description {
      font-size: 1rem;
      line-height: 1.75;
      margin: 18px 0 32px;
    }

    .hero-cta-wrapper {
      flex-direction: column;
      gap: 12px;
    }

    .btn-primary-hero,
    .btn-secondary-hero {
      width: 100%;
      justify-content: center;
      padding: 15px 28px;
      font-size: 1rem;
      border-radius: 14px;
    }

    .scroll-hint {
      display: none;
    }

    .pulsing-rings {
      display: none;
    }

    .grid-overlay {
      opacity: 0.4;
    }
  }

  @media (max-width: 480px) {
    .hero-premium .container {
      padding: 0 16px;
    }

    .hero-content {
      padding: 88px 0 60px;
    }

    .hero-badge {
      font-size: 0.66rem;
      padding: 7px 13px;
      letter-spacing: 1px;
      margin-bottom: 18px;
    }

    .hero-premium h1 {
      font-size: clamp(2rem, 9vw, 2.6rem);
      letter-spacing: -1px;
      line-height: 1.05;
    }

    .hero-premium .tagline {
      font-size: clamp(1.7rem, 7.5vw, 2.2rem);
    }

    .hero-description {
      font-size: 0.95rem;
      margin: 14px 0 26px;
    }

    .btn-primary-hero,
    .btn-secondary-hero {
      padding: 14px 22px;
      font-size: 0.92rem;
      border-radius: 12px;
    }
  }

  @supports (padding: env(safe-area-inset-bottom)) {
    @media (max-width: 768px) {
      .hero-content {
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
      }
    }
  }

  @media (max-width: 896px) and (orientation: landscape) {
    .hero-premium {
      min-height: 100dvh;
      padding: 0;
    }

    .hero-content {
      padding: 76px 0 46px;
    }

    .hero-premium h1 {
      font-size: clamp(1.8rem, 6vw, 2.8rem);
      letter-spacing: -1.5px;
    }

    .hero-premium .tagline {
      font-size: clamp(1.5rem, 5vw, 2.4rem);
    }

    .hero-description {
      font-size: 0.9rem;
      margin: 10px 0 20px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .hero-cta-wrapper {
      flex-direction: row;
    }

    .btn-primary-hero,
    .btn-secondary-hero {
      flex: 1;
      justify-content: center;
      padding: 12px 18px;
      font-size: 0.88rem;
    }

    #globe-canvas {
      display: none;
    }

    .scroll-hint {
      display: none;
    }
  }