:root {
    --blue: #1a5cf5;
    --blue-dark: #1249cc;
    --blue-dim: rgba(26,92,245,0.12);
    --black: #08090d;
    --white: #ffffff;
    --surface: #f6f7fa;
    --border: rgba(0,0,0,0.07);
    --text-mid: #5a5f72;
    --text-dim: #9097ae;
    --green: #18c97a;
    --radius: 16px;
    --radius-sm: 10px;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--white);
    color: var(--black);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 200;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 48px; height: 68px;
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--border);
  }
  .nav-logo {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 900; font-size: 1.25rem;
    color: var(--black); text-decoration: none;
    letter-spacing: -0.02em;
    display: flex; align-items: center; gap: 9px;
  }
  .nav-logo-icon {
    width: 32px; height: 32px; background: var(--blue);
    border-radius: 9px; display: flex; align-items: center; justify-content: center;
  }
  .nav-logo-icon svg { width: 16px; height: 16px; }
  .nav-center { display: flex; gap: 32px; }
  .nav-center a {
    font-size: 0.88rem; font-weight: 500; color: var(--text-mid);
    text-decoration: none; transition: color .15s;
  }
  .nav-center a:hover { color: var(--black); }
  .nav-right { display: flex; gap: 10px; align-items: center; }
  .nav-ghost {
    font-size: 0.88rem; font-weight: 500; color: var(--black);
    text-decoration: none; padding: 8px 18px;
    border-radius: var(--radius-sm); border: 1px solid var(--border);
    transition: border-color .15s, background .15s;
  }
  .nav-ghost:hover { border-color: rgba(0,0,0,0.18); background: var(--surface); }
  .nav-btn {
    font-size: 0.88rem; font-weight: 600; color: #fff;
    text-decoration: none; padding: 8px 20px;
    background: var(--blue); border-radius: var(--radius-sm);
    transition: background .15s, transform .12s;
  }
  .nav-btn:hover { background: var(--blue-dark); transform: translateY(-1px); }

  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    padding: 140px 48px 100px;
    display: flex; flex-direction: column; align-items: center;
    text-align: center;
    background: var(--white);
    position: relative; overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
    pointer-events: none;
  }

  .hero-badge {
    display: inline-flex; align-items: center; gap: 7px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 100px; padding: 5px 14px 5px 8px;
    font-size: 0.78rem; font-weight: 500; color: var(--text-mid);
    margin-bottom: 32px;
    animation: rise .6s ease both;
  }
  .hero-badge-dot {
    width: 22px; height: 22px; background: var(--blue-dim);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
  }
  .hero-badge-dot::after {
    content: ''; width: 7px; height: 7px;
    background: var(--blue); border-radius: 50%;
  }

  .hero h1 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 900;
    font-size: clamp(3.2rem, 7vw, 6rem);
    line-height: 0.97; letter-spacing: -0.04em;
    max-width: 820px;
    animation: rise .65s .08s ease both;
  }
  .hero h1 .accent { color: var(--blue); }
  .hero h1 .light { font-weight: 400; font-style: italic; color: var(--text-mid); }

  .hero-sub {
    font-size: 1.05rem; color: var(--text-mid); max-width: 520px;
    margin: 28px auto 0; line-height: 1.72;
    animation: rise .65s .16s ease both;
  }

  .hero-ctas {
    display: flex; gap: 12px; margin-top: 44px; flex-wrap: wrap; justify-content: center;
    animation: rise .65s .24s ease both;
  }
  .cta-primary {
    background: var(--blue); color: #fff; padding: 14px 30px;
    border-radius: var(--radius); font-size: 0.95rem; font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 24px rgba(26,92,245,0.28), 0 1px 2px rgba(26,92,245,0.4);
    transition: background .15s, transform .12s, box-shadow .15s;
  }
  .cta-primary:hover {
    background: var(--blue-dark); transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(26,92,245,0.36);
  }
  .cta-secondary {
    background: var(--white); color: var(--black); padding: 14px 30px;
    border-radius: var(--radius); font-size: 0.95rem; font-weight: 500;
    text-decoration: none; border: 1.5px solid var(--border);
    transition: border-color .15s, transform .12s;
  }
  .cta-secondary:hover { border-color: rgba(0,0,0,0.2); transform: translateY(-2px); }

  /* ── MOCKUP ── */
  .mockup-wrap {
    margin-top: 72px; width: 100%; max-width: 960px;
    border-radius: 20px; overflow: hidden;
    box-shadow: 0 2px 0 0 rgba(255,255,255,0.8) inset,
                0 40px 100px rgba(0,0,0,0.1),
                0 0 0 1px rgba(0,0,0,0.06);
    animation: rise .8s .32s ease both;
    position: relative; z-index: 1;
  }
  .mockup-bar {
    background: #1b1d25; padding: 13px 18px;
    display: flex; align-items: center; gap: 7px;
  }
  .md { width: 11px; height: 11px; border-radius: 50%; }
  .md-r { background: #ff5f57; }
  .md-y { background: #febc2e; }
  .md-g { background: #28c840; }
  .mockup-url {
    margin-left: 10px; font-size: 0.72rem; color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.06); border-radius: 5px; padding: 3px 12px;
    font-family: monospace;
  }
  .mockup-body {
    display: grid; grid-template-columns: 56px 1fr 260px;
    min-height: 300px; background: #f5f6f9;
  }
  .msb {
    background: #fff; border-right: 1px solid #eef0f4;
    display: flex; flex-direction: column; align-items: center;
    padding: 14px 0; gap: 18px;
  }
  .msb-icon {
    width: 34px; height: 34px; border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface);
  }
  .msb-icon.on { background: var(--blue-dim); }
  .msb-icon svg { width: 16px; height: 16px; }
  .mm { padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; }
  .mm-cats { display: flex; gap: 7px; flex-wrap: wrap; }
  .mm-cat {
    font-size: 0.7rem; font-weight: 600; padding: 5px 11px;
    border-radius: 8px; border: 1px solid #eef0f4;
    background: #fff; cursor: pointer; font-family: 'Plus Jakarta Sans', sans-serif;
  }
  .mm-cat.on { background: var(--blue); color: #fff; border-color: var(--blue); }
  .mm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .mm-prod {
    background: #fff; border-radius: 10px; overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  }
  .mm-img { height: 56px; }
  .c1 { background: linear-gradient(135deg,#ffd0c0,#ffb0a0); }
  .c2 { background: linear-gradient(135deg,#c0d0ff,#a0b0ff); }
  .c3 { background: linear-gradient(135deg,#c0ffd0,#a0ffb0); }
  .c4 { background: linear-gradient(135deg,#ffd0ee,#ffb0e4); }
  .c5 { background: linear-gradient(135deg,#fff0c0,#ffe4a0); }
  .c6 { background: linear-gradient(135deg,#d0c0ff,#b0a0ff); }
  .mm-pi { padding: 6px 8px; }
  .mm-pn { font-size: 0.65rem; font-weight: 700; font-family: 'Plus Jakarta Sans', sans-serif; }
  .mm-pp { font-size: 0.62rem; color: var(--blue); font-weight: 600; margin-top: 1px; }
  .mc {
    background: #fff; border-left: 1px solid #eef0f4;
    padding: 14px; display: flex; flex-direction: column; gap: 7px;
  }
  .mc-title { font-size: 0.72rem; font-weight: 800; font-family: 'Plus Jakarta Sans', sans-serif; }
  .mc-item {
    display: flex; justify-content: space-between;
    font-size: 0.65rem; padding: 6px 8px;
    background: #f5f6f9; border-radius: 7px;
  }
  .mc-item span { color: var(--blue); font-weight: 700; }
  .mc-btn {
    margin-top: auto; background: var(--green); color: #fff;
    border: none; border-radius: 8px; padding: 10px 8px;
    font-size: 0.72rem; font-weight: 700; cursor: pointer;
    font-family: 'Plus Jakarta Sans', sans-serif; letter-spacing: -0.01em;
  }

  /* ── LOGOS ── */
  .logos {
    padding: 56px 48px;
    display: flex; flex-direction: column; align-items: center; gap: 22px;
  }
  .logos-label {
    font-size: 0.75rem; font-weight: 500; color: var(--text-dim);
    text-transform: uppercase; letter-spacing: .12em;
  }
  .logos-pills { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
  .lp {
    display: flex; align-items: center; gap: 7px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 100px; padding: 8px 18px;
    font-size: 0.83rem; font-weight: 600; color: var(--text-mid);
    transition: border-color .15s, color .15s;
  }
  .lp:hover { border-color: rgba(0,0,0,0.16); color: var(--black); }
  .lp-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

  /* ── SECTION SHARED ── */
  .sec { padding: 96px 48px; }
  .sec-label {
    font-size: 0.72rem; font-weight: 700; color: var(--blue);
    text-transform: uppercase; letter-spacing: .14em; margin-bottom: 14px;
  }
  .sec-title {
    font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 900;
    font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.0;
    letter-spacing: -0.04em; max-width: 560px;
  }
  .sec-title em { font-style: italic; font-weight: 400; color: var(--text-mid); }

  /* ── FEATURES ── */
  .features-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
    margin-top: 56px;
  }
  .fc {
    background: var(--surface); border-radius: var(--radius); padding: 32px;
    border: 1px solid transparent;
    transition: transform .2s, box-shadow .2s, border-color .2s;
    position: relative; overflow: hidden;
  }
  .fc:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.07);
    border-color: var(--border);
  }
  .fc.hero-card { background: var(--blue); color: #fff; }
  .fc.hero-card:hover { border-color: rgba(255,255,255,0.15); }
  .fc-icon {
    width: 44px; height: 44px; border-radius: 11px;
    background: rgba(255,255,255,0.18);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 22px;
  }
  .fc:not(.hero-card) .fc-icon { background: var(--blue-dim); }
  .fc-icon svg { width: 20px; height: 20px; }
  .fc.hero-card .fc-icon svg { stroke: #fff; }
  .fc:not(.hero-card) .fc-icon svg { stroke: var(--blue); }
  .fc-name {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800; font-size: 1.1rem; margin-bottom: 10px;
    letter-spacing: -0.02em;
  }
  .fc-desc { font-size: 0.88rem; line-height: 1.68; color: var(--text-mid); }
  .fc.hero-card .fc-desc { color: rgba(255,255,255,0.7); }

  /* ── HOW ── */
  .how { background: var(--black); color: var(--white); }
  .how .sec-label { color: rgba(100,140,255,0.9); }
  .how .sec-title { color: #fff; }
  .steps {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    margin-top: 64px; position: relative;
  }
  .steps::before {
    content: '';
    position: absolute; top: 28px; left: 48px; right: 48px; height: 1px;
    background: linear-gradient(90deg, rgba(26,92,245,0.4), rgba(26,92,245,0.1));
    pointer-events: none;
  }
  .step { padding: 0 28px 0 0; }
  .step-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 900; font-size: 0.7rem; color: var(--blue);
    letter-spacing: .12em; margin-bottom: 16px; text-transform: uppercase;
  }
  .step-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: rgba(26,92,245,0.2); border: 1px solid rgba(26,92,245,0.3);
    display: flex; align-items: center; justify-content: center; margin-bottom: 22px;
  }
  .step-icon svg { width: 20px; height: 20px; stroke: #7aabff; }
  .step-name {
    font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
    font-size: 1rem; color: #fff; margin-bottom: 10px; letter-spacing: -0.02em;
  }
  .step-desc { font-size: 0.85rem; color: rgba(255,255,255,0.45); line-height: 1.7; }

  /* ── PAYMENTS ── */
  .pay-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; margin-top: 56px; }
  .pay-copy p { font-size: 0.95rem; color: var(--text-mid); line-height: 1.75; margin-bottom: 14px; }
  .pay-methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pay-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
    display: flex; align-items: center; gap: 14px;
    transition: border-color .15s, box-shadow .15s, transform .15s;
  }
  .pay-card:hover {
    border-color: rgba(0,0,0,0.14); transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  }
  .pay-logo {
    width: 44px; height: 44px; border-radius: 10px; background: #fff;
    box-shadow: 0 1px 6px rgba(0,0,0,0.08);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.7rem; flex-shrink: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
  }
  .pay-info h4 {
    font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
    font-size: 0.9rem; letter-spacing: -0.02em; margin-bottom: 2px;
  }
  .pay-info p { font-size: 0.78rem; color: var(--text-dim); }

  /* ── INFRA ── */
  .infra { background: #0d101a; color: #fff; }
  .infra .sec-label { color: rgba(100,140,255,0.9); }
  .infra .sec-title { color: #fff; }
  .infra-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
  .infra-card {
    border: 1px solid rgba(255,255,255,0.07); border-radius: var(--radius);
    padding: 30px; background: rgba(255,255,255,0.02);
    transition: border-color .2s, background .2s;
  }
  .infra-card:hover { border-color: rgba(26,92,245,0.35); background: rgba(26,92,245,0.05); }
  .infra-tag {
    display: inline-block; background: rgba(26,92,245,0.15); color: #7aabff;
    border-radius: 6px; padding: 3px 9px; font-size: 0.68rem; font-weight: 700;
    margin-bottom: 16px; text-transform: uppercase; letter-spacing: .1em;
  }
  .infra-title {
    font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800;
    font-size: 1.05rem; margin-bottom: 10px; letter-spacing: -0.02em;
  }
  .infra-desc { font-size: 0.85rem; color: rgba(255,255,255,0.42); line-height: 1.7; }

  /* ── CTA ── */
  .cta-sec {
    padding: 128px 48px; text-align: center;
    background: var(--surface);
    position: relative; overflow: hidden;
  }
  .cta-sec::before {
    content: '';
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(26,92,245,0.08) 0%, transparent 65%);
    border-radius: 50%; pointer-events: none;
  }
  .cta-sec h2 {
    font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 900;
    font-size: clamp(2.4rem, 5vw, 4.2rem); line-height: 0.97;
    letter-spacing: -0.04em; margin-bottom: 18px;
  }
  .cta-sec p { font-size: 1rem; color: var(--text-mid); margin-bottom: 40px; }

  /* ── FOOTER ── */
  footer {
    background: var(--black); color: rgba(255,255,255,0.35);
    padding: 36px 48px; font-size: 0.82rem;
    display: flex; align-items: center; justify-content: space-between;
  }
  .footer-logo {
    font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 900;
    color: rgba(255,255,255,0.5); font-size: 1rem; letter-spacing: -0.02em;
  }
  footer a { color: rgba(255,255,255,0.45); text-decoration: none; transition: color .15s; }
  footer a:hover { color: rgba(255,255,255,0.8); }
  .footer-links { display: flex; gap: 24px; }

  /* ── ANIMATIONS ── */
  @keyframes rise {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .fade {
    opacity: 0; transform: translateY(18px);
    transition: opacity .55s ease, transform .55s ease;
  }
  .fade.in { opacity: 1; transform: none; }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    nav { padding: 0 20px; }
    .nav-center { display: none; }
    .hero { padding: 120px 20px 80px; }
    .sec { padding: 64px 20px; }
    .logos { padding: 40px 20px; }
    .features-grid, .infra-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr 1fr; gap: 40px; }
    .steps::before { display: none; }
    .pay-grid { grid-template-columns: 1fr; gap: 40px; }
    .mockup-body { grid-template-columns: 1fr; }
    .msb, .mc { display: none; }
    footer { flex-direction: column; gap: 16px; text-align: center; }
  }