/* 
      Skema warna yang disesuaikan dari Logo ZasainAja.id:
      - Primary Blue: #0048B3 (Deep Electric Blue)
      - Dark Blue / Navy: #0B2545 (Navbar hover & footer accent)
      - Secondary Orange: #FF7A00 (Vibrant Orange)
      - Light Orange Tint: #FFF4EB (Soft accent highlight)
      - Soft Blue Tint: #F0F5FF (Background tint)
      - Neutral Ink: #0E1826 (Teks utama)
    */
    :root {
      --za-blue: #0048B3;
      --za-blue-dark: #003380;
      --za-blue-soft: #EEF4FF;
      --za-orange: #FF7A00;
      --za-orange-dark: #E06B00;
      --za-orange-soft: #FFF3EB;
      --za-ink: #0E1826;
      --za-muted: #5C6B73;
      --za-line: #E2E8F0;
      --za-paper: #F8FAFC;
      --za-shadow: 0 20px 55px rgba(0, 72, 179, 0.12);
      --bs-primary: var(--za-blue);
      --bs-primary-rgb: 0, 72, 179;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 90px; }
    body {
      margin: 0;
      color: var(--za-ink);
      font-family: "DM Sans", sans-serif;
      line-height: 1.65;
      background: #fff;
    }
    a { text-decoration: none; }
    img { display: block; max-width: 100%; object-fit: cover; }
    
    .font-heading { font-family: "Plus Jakarta Sans", sans-serif; }
    .text-za-blue { color: var(--za-blue) !important; }
    .text-za-orange { color: var(--za-orange) !important; }
    .text-za-muted { color: var(--za-muted) !important; }
    .bg-za-paper { background: var(--za-paper); }
    .bg-za-soft { background: var(--za-blue-soft); }
    .border-za { border-color: var(--za-line) !important; }

    /* Logo Image Sizing */
    .brand-logo-img {
      height: 40px;
      width: auto;
      object-fit: contain;
    }
    .footer-logo-img {
      height: 45px;
      width: auto;
      object-fit: contain;
      background: #fff;
      padding: 4px 10px;
      border-radius: 8px;
    }

    /* Navbar */
    .site-navbar {
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    }
    .navbar-brand {
      padding: 0;
    }
    .navbar-nav .nav-link {
      padding: .7rem .8rem !important;
      color: #475569;
      font-size: 14px;
      font-weight: 700;
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus { color: var(--za-blue); }
    .navbar-toggler { border: 0; box-shadow: none !important; }

    /* Buttons */
    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 20px;
      border-radius: 12px;
      font-size: 14px;
      font-weight: 800;
      transition: all .2s ease;
    }
    .btn-za-primary {
      color: #fff;
      background: var(--za-blue);
      border: 1px solid var(--za-blue);
      box-shadow: 0 8px 20px rgba(0, 72, 179, 0.2);
    }
    .btn-za-primary:hover {
      color: #fff;
      background: var(--za-blue-dark);
      border-color: var(--za-blue-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 25px rgba(0, 72, 179, 0.28);
    }
    .btn-za-orange {
      color: #fff;
      background: var(--za-orange);
      border: 1px solid var(--za-orange);
      box-shadow: 0 8px 20px rgba(255, 122, 0, 0.22);
    }
    .btn-za-orange:hover {
      color: #fff;
      background: var(--za-orange-dark);
      border-color: var(--za-orange-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 25px rgba(255, 122, 0, 0.3);
    }
    .btn-za-outline {
      color: var(--za-blue);
      background: #fff;
      border: 1.5px solid #CBD5E1;
    }
    .btn-za-outline:hover {
      color: var(--za-blue);
      background: var(--za-blue-soft);
      border-color: var(--za-blue);
    }
    .btn-za-white { 
      color: var(--za-blue); 
      background: #fff; 
      border: 1px solid #fff; 
    }
    .btn-za-white:hover { 
      color: var(--za-blue-dark); 
      background: var(--za-orange-soft); 
    }

    /* Shared section styles */
    .section-space { padding: 84px 0; }
    .section-kicker {
      margin-bottom: 8px;
      color: var(--za-orange);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 1.2px;
      text-transform: uppercase;
    }
    .section-title {
      margin-bottom: 12px;
      font: 800 clamp(28px, 3.5vw, 40px)/1.2 "Plus Jakarta Sans", sans-serif;
      letter-spacing: -1.2px;
      color: var(--za-ink);
    }
    .section-desc {
      max-width: 650px;
      margin: 0 auto;
      color: var(--za-muted);
      font-size: 15px;
    }

    /* Hero */
    .hero-section {
      position: relative;
      overflow: hidden;
      padding: 80px 0 95px;
      background:
        radial-gradient(circle at 85% 15%, rgba(255, 122, 0, 0.08), transparent 30%),
        radial-gradient(circle at 10% 80%, rgba(0, 72, 179, 0.08), transparent 35%),
        linear-gradient(135deg, #F8FAFC 0%, #EEF4FF 100%);
    }
    .hero-section::after {
      content: "";
      position: absolute;
      width: 520px; height: 520px;
      right: -190px; top: -280px;
      border: 1px solid rgba(0, 72, 179, 0.1);
      border-radius: 50%;
      box-shadow: 0 0 0 55px rgba(0, 72, 179, 0.025), 0 0 0 110px rgba(0, 72, 179, 0.015);
      pointer-events: none;
    }
    .hero-content, .hero-visual { position: relative; z-index: 1; }
    .hero-eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 7px 14px;
      border-radius: 50px;
      color: var(--za-blue);
      background: rgba(0, 72, 179, 0.08);
      font-size: 12px; font-weight: 800;
      letter-spacing: .4px; text-transform: uppercase;
      border: 1px solid rgba(0, 72, 179, 0.15);
    }
    .hero-eyebrow span {
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--za-orange);
    }
    .hero-title {
      max-width: 620px;
      margin: 22px 0 18px;
      font: 800 clamp(38px, 5vw, 58px)/1.12 "Plus Jakarta Sans", sans-serif;
      letter-spacing: -2.2px;
    }
    .hero-title span.highlight-blue { color: var(--za-blue); }
    .hero-title span.highlight-orange { color: var(--za-orange); }
    
    .hero-tagline {
      font-family: "Plus Jakarta Sans", sans-serif;
      font-style: italic;
      font-weight: 700;
      color: var(--za-orange);
      display: block;
      margin-top: 4px;
      font-size: clamp(20px, 3.5vw, 28px);
    }

    .hero-lead {
      max-width: 530px;
      margin-bottom: 28px;
      color: var(--za-muted);
      font-size: 16px;
      line-height: 1.8;
    }
    .hero-note {
      display: flex; align-items: center; gap: 12px;
      margin-top: 26px;
      color: var(--za-muted); font-size: 13px;
    }
    .hero-note-icon {
      width: 36px; height: 36px;
      display: grid; place-items: center;
      border-radius: 10px;
      color: var(--za-orange); 
      background: #fff;
      box-shadow: 0 4px 12px rgba(0,0,0,0.06);
      font-size: 18px;
    }
    .hero-photo {
      height: 450px;
      overflow: hidden;
      border-radius: 30px 30px 85px 30px;
      box-shadow: var(--za-shadow);
      border: 4px solid #fff;
    }
    .hero-photo img { width: 100%; height: 100%; object-fit: cover; }
    .hero-chip, .hero-caption {
      position: absolute;
      background: #fff;
      border-radius: 16px;
      box-shadow: var(--za-shadow);
      border: 1px solid var(--za-line);
    }
    .hero-chip { top: 32px; right: -8px; padding: 13px 18px; font-size: 12px; }
    .hero-chip strong { display: block; color: var(--za-blue); font-size: 13px; }
    .hero-chip small, .hero-caption small { color: var(--za-muted); }
    .hero-caption {
      bottom: -4px; left: -12px;
      display: flex; align-items: center; gap: 12px;
      padding: 14px 18px;
    }
    .hero-caption-icon {
      width: 42px; height: 42px;
      display: grid; place-items: center;
      border-radius: 12px;
      color: #fff; background: var(--za-orange);
      font-size: 20px;
    }
    .hero-caption strong { display: block; font-size: 13px; color: var(--za-ink); }
    .hero-caption small { font-size: 11px; }

    /* Trust strip */
    .trust-strip { border-bottom: 1px solid var(--za-line); background: #fff; }
    .trust-item { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 10px 12px; }
    .trust-icon {
      width: 42px; height: 42px; flex: 0 0 42px;
      display: grid; place-items: center;
      border-radius: 12px;
      color: var(--za-blue); background: var(--za-blue-soft);
      font-size: 18px;
    }
    .trust-item strong { display: block; font-size: 13px; color: var(--za-ink); }
    .trust-item small { display: block; color: var(--za-muted); font-size: 11px; }

    /* Categories */
    .category-card {
      height: 100%;
      min-height: 155px;
      padding: 22px 12px;
      border: 1px solid var(--za-line);
      border-radius: 20px;
      background: #fff;
      text-align: center;
      transition: all .25 ease;
    }
    .category-card:hover {
      transform: translateY(-5px);
      border-color: var(--za-blue);
      box-shadow: 0 14px 30px rgba(0, 72, 179, 0.1);
    }
    .category-icon {
      width: 54px; height: 54px;
      display: grid; place-items: center;
      margin: 0 auto 12px;
      border-radius: 16px;
      color: var(--za-blue); background: var(--za-blue-soft);
      font-size: 24px;
      transition: all .2s ease;
    }
    .category-card:hover .category-icon {
      background: var(--za-orange);
      color: #fff;
    }
    .category-card strong { display: block; font-size: 13px; line-height: 1.4; color: var(--za-ink); }
    .category-card small { color: var(--za-muted); font-size: 11px; }

    /* Audience cards */
    .audience-card {
      height: 100%;
      overflow: hidden;
      border: 1px solid var(--za-line);
      border-radius: 24px;
      background: #fff;
      transition: all .2s ease;
    }
    .audience-card:hover {
      box-shadow: var(--za-shadow);
    }
    .audience-copy { padding: 32px 16px 32px 32px; }
    .audience-label {
      color: var(--za-orange);
      font-size: 11px; font-weight: 800;
      letter-spacing: .9px; text-transform: uppercase;
    }
    .audience-card h3 {
      margin: 10px 0 12px;
      font: 800 22px/1.3 "Plus Jakarta Sans", sans-serif;
      letter-spacing: -.5px;
      color: var(--za-ink);
    }
    .audience-card p { color: var(--za-muted); font-size: 13px; }
    .audience-image { width: 100%; height: 100%; min-height: 290px; }

    /* Steps */
    .step-card {
      height: 100%;
      padding: 28px;
      border: 1px solid var(--za-line);
      border-radius: 20px;
      background: #fff;
      position: relative;
    }
    .step-number {
      width: 48px; height: 48px;
      display: grid; place-items: center;
      margin-bottom: 20px;
      border-radius: 14px;
      color: #fff; background: var(--za-blue);
      font: 800 16px "Plus Jakarta Sans", sans-serif;
      box-shadow: 0 6px 16px rgba(0, 72, 179, 0.25);
    }
    .step-card h3 { margin-bottom: 10px; font-size: 17px; font-weight: 800; color: var(--za-ink); }
    .step-card p { margin: 0; color: var(--za-muted); font-size: 13px; }

    /* Privacy */
    .privacy-panel {
      padding: 48px;
      border-radius: 28px;
      background: linear-gradient(135deg, #EEF4FF 0%, #F8FAFC 100%);
      border: 1px solid rgba(0, 72, 179, 0.12);
    }
    .privacy-visual {
      position: relative;
      min-height: 250px;
      display: grid; place-items: center;
    }
    .privacy-circle {
      width: 210px; height: 210px;
      display: grid; place-items: center;
      border-radius: 50%;
      color: var(--za-blue); 
      background: rgba(0, 72, 179, 0.08);
      font-size: 90px;
      border: 2px dashed rgba(0, 72, 179, 0.25);
    }
    .privacy-sticker {
      position: absolute; right: 10px; bottom: 8%;
      padding: 12px 16px;
      border-radius: 14px;
      background: #fff; box-shadow: var(--za-shadow);
      font-size: 12px; font-weight: 800;
      color: var(--za-blue);
      border: 1px solid var(--za-line);
    }
    .privacy-copy h2 { font-size: 32px; }
    .privacy-copy > p { color: var(--za-muted); font-size: 14px; }
    .privacy-point { display: flex; align-items: flex-start; gap: 10px; font-size: 12px; font-weight: 700; color: var(--za-ink); }
    .privacy-check {
      width: 22px; height: 22px; flex: 0 0 22px;
      display: grid; place-items: center;
      border-radius: 7px;
      color: #fff; background: var(--za-orange);
    }

    /* Join CTA */
    .join-card {
      position: relative;
      overflow: hidden;
      padding: 52px 56px;
      border-radius: 28px;
      color: #fff; 
      background: linear-gradient(135deg, var(--za-blue) 0%, var(--za-blue-dark) 100%);
      box-shadow: 0 20px 50px rgba(0, 72, 179, 0.25);
    }
    .join-card::after {
      content: "";
      position: absolute; width: 420px; height: 420px;
      right: -130px; top: -240px;
      border: 1px solid rgba(255,255,255,0.18);
      border-radius: 50%;
      box-shadow: 0 0 0 45px rgba(255,255,255,0.04), 0 0 0 90px rgba(255,255,255,0.02);
      pointer-events: none;
    }
    .join-content, .join-image { position: relative; z-index: 1; }
    .join-card .section-kicker { color: var(--za-orange); }
    .join-card h2 { max-width: 530px; font-size: clamp(28px, 3.5vw, 40px); color: #fff; }
    .join-card p { max-width: 510px; color: rgba(255, 255, 255, 0.85); font-size: 14px; }
    .join-image img { width: 100%; height: 240px; border-radius: 20px; box-shadow: 0 18px 40px rgba(0,0,0,0.25); }

    /* FAQ */
    .faq-list { max-width: 840px; }
    .accordion-item {
      overflow: hidden;
      margin-bottom: 12px;
      border: 1px solid var(--za-line) !important;
      border-radius: 14px !important;
      background: #fff;
    }
    .accordion-button {
      padding: 18px 22px;
      color: var(--za-ink);
      background: #fff;
      box-shadow: none !important;
      font-size: 14px; font-weight: 800;
    }
    .accordion-button:not(.collapsed) { color: var(--za-blue); background: #fff; }
    .accordion-body { padding: 0 22px 20px; color: var(--za-muted); font-size: 13px; line-height: 1.7; }

    /* Download Banner */
    .download-section {
      background: linear-gradient(180deg, #fff 0%, var(--za-blue-soft) 100%);
    }

    /* Footer */
    .site-footer { padding: 60px 0 24px; color: #fff; background: #0A1424; }
    .footer-about p { max-width: 310px; margin-top: 16px; color: #94A3B8; font-size: 13px; }
    .site-footer h3 { margin-bottom: 16px; font-size: 13px; font-weight: 800; color: #fff; letter-spacing: 0.5px; text-transform: uppercase; }
    .footer-links { display: grid; gap: 10px; }
    .footer-links a { color: #94A3B8; font-size: 12px; transition: color .2s ease; }
    .footer-links a:hover { color: var(--za-orange); }
    .footer-bottom {
      display: flex; justify-content: space-between; gap: 18px;
      margin-top: 40px; padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      color: #64748B; font-size: 11px;
    }

    @media (max-width: 991.98px) {
      .hero-photo { height: 390px; }
      .audience-copy { padding: 24px 12px 24px 24px; }
      .audience-card h3 { font-size: 19px; }
      .privacy-panel { padding: 32px; }
      .navbar-collapse {
        padding: 16px 0 20px;
      }
      .navbar-nav .nav-link { padding: .55rem 0 !important; }
    }
    @media (max-width: 767.98px) {
      .section-space { padding: 64px 0; }
      .hero-section { padding: 48px 0 60px; }
      .hero-title { font-size: clamp(34px, 8vw, 44px); letter-spacing: -1.5px; }
      .hero-lead { font-size: 14px; }
      .hero-photo { height: 330px; margin: 0 8px 8px; border-radius: 23px 23px 62px 23px; }
      .hero-chip { right: -2px; top: 20px; max-width: 200px; }
      .hero-caption { left: 0; bottom: -5px; max-width: calc(100% - 12px); }
      .trust-item { justify-content: flex-start; padding: 8px 0; }
      .trust-strip .row { padding: 12px 0; }
      .audience-copy { padding: 20px; }
      .audience-image { min-height: 240px; }
      .privacy-panel { padding: 26px 20px; }
      .privacy-visual { min-height: 190px; }
      .privacy-circle { width: 160px; height: 160px; font-size: 70px; }
      .privacy-sticker { right: 2%; bottom: 5%; }
      .privacy-copy h2 { font-size: 26px; }
      .join-card { padding: 36px 24px; }
      .join-image img { height: 190px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }
    @media (max-width: 575.98px) {
      .container { --bs-gutter-x: 1.5rem; }
      .brand-logo-img { height: 34px; }
      .navbar-cta { width: 100%; margin-top: 10px; }
      .hero-actions .btn { width: 100%; }
      .hero-photo { height: 290px; }
      .hero-chip { font-size: 10px; }
      .hero-caption { padding: 11px 12px; }
      .hero-caption small { font-size: 10px; }
      .section-title { font-size: 28px; }
      .category-card { min-height: 140px; padding: 18px 8px; }
      .audience-card .row { flex-direction: column-reverse; }
      .audience-image { height: 180px; min-height: 180px; }
      .audience-copy { padding: 20px; }
      .audience-card .btn { width: 100%; }
      .step-card { padding: 22px; }
      .privacy-point { font-size: 11px; }
      .privacy-points { row-gap: 12px; }
      .join-card h2 { font-size: 28px; }
      .join-card .btn { width: 100%; }
      .join-image img { height: 175px; }
      .site-footer { padding-top: 45px; }
    }