:root {
    --petrol: #0E4F4F;
    --petrol-dark: #093838;
    --petrol-darker: #062A2A;
    --accent: #19A88A;
    --accent-soft: #BFE7DC;
    --bg: #F6FAF8;
    --ink: #0B2424;
    --radius: 14px;
    --shadow: 0 12px 32px -8px rgba(9, 56, 56, 0.18);
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Archivo', sans-serif;
    font-variation-settings: 'wdth' 100;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
  }

  img, svg { display: block; }

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

  .container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ---------- Buttons ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    padding: 13px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    white-space: nowrap;
  }
  .btn:hover { transform: translateY(-2px); }

  .btn-primary {
    background: var(--accent);
    color: var(--petrol-darker);
    box-shadow: 0 8px 20px -6px rgba(25, 168, 138, 0.55);
  }
  .btn-primary:hover { box-shadow: 0 12px 26px -6px rgba(25, 168, 138, 0.65); }

  .btn-petrol {
    background: var(--petrol);
    color: #fff;
    box-shadow: 0 8px 20px -8px rgba(6, 42, 42, 0.5);
  }
  .btn-petrol:hover { background: var(--petrol-dark); }

  .btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.35);
  }
  .btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.6); }

  .btn-outline {
    background: transparent;
    color: var(--petrol);
    border-color: var(--petrol);
  }
  .btn-outline:hover { background: rgba(14, 79, 79, 0.06); }

  .btn-light {
    background: #fff;
    color: var(--petrol-darker);
  }
  .btn-light:hover { background: var(--accent-soft); }

  /* ---------- Nav ---------- */
  header.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px) saturate(140%);
    background: rgba(246, 250, 248, 0.78);
    border-bottom: 1px solid rgba(14, 79, 79, 0.08);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 24px;
  }
  .logo {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--petrol-darker);
    display: flex;
    align-items: center;
  }
  .logo .dot { color: var(--accent); margin-left: 1px; }

  .nav-links { display: flex; align-items: center; gap: 22px; }
  .nav-link {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--petrol);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 2px;
  }
  .nav-link:hover { color: var(--petrol-darker); }
  @media (max-width: 640px) { .nav-link { display: none; } }

  /* ---------- Hero ---------- */
  .hero {
    background: radial-gradient(circle at 18% -10%, #156363 0%, var(--petrol) 38%, var(--petrol-dark) 72%, var(--petrol-darker) 100%);
    color: #fff;
    padding: 96px 0 96px;
    overflow: hidden;
    position: relative;
  }
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    opacity: 0.5;
  }
  .hero-inner {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
    position: relative;
  }
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(25, 168, 138, 0.16);
    border: 1px solid rgba(25, 168, 138, 0.45);
    color: var(--accent-soft);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    padding: 7px 14px;
    border-radius: 999px;
    margin-bottom: 24px;
    animation: fadeUp 0.7s ease both;
  }
  .badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(25, 168, 138, 0.3);
  }
  h1 {
    font-size: clamp(2.1rem, 4.2vw, 3.1rem);
    font-weight: 800;
    font-variation-settings: 'wdth' 92;
    letter-spacing: -0.02em;
    line-height: 1.12;
    margin-bottom: 22px;
    animation: fadeUp 0.7s ease 0.08s both;
  }
  .hero p.lead {
    font-size: 1.08rem;
    color: rgba(255,255,255,0.82);
    max-width: 520px;
    margin-bottom: 36px;
    animation: fadeUp 0.7s ease 0.16s both;
  }
  .hero p.lead strong { color: #fff; }
  .hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    animation: fadeUp 0.7s ease 0.24s both;
  }

  /* ---------- Terminal card ---------- */
  .terminal {
    background: #0D1F1F;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 30px 60px -20px rgba(0,0,0,0.55);
    overflow: hidden;
    animation: fadeUp 0.8s ease 0.2s both;
  }
  .terminal-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #0A1717;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .terminal-bar .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
  }
  .terminal-bar .dot:nth-child(1) { background: #ff5f57; }
  .terminal-bar .dot:nth-child(2) { background: #febc2e; }
  .terminal-bar .dot:nth-child(3) { background: #28c840; }
  .terminal-bar .label {
    margin-left: 8px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    color: rgba(255,255,255,0.4);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
  }
  .terminal-bar .label-short { display: none; }
  .terminal-body {
    padding: 22px 22px 26px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.86rem;
    line-height: 1.9;
  }
  .terminal-body .ok { color: #4FD1A5; }
  .terminal-body .warn { color: #FFC857; }
  .terminal-body .arrow { color: var(--accent-soft); }
  .terminal-body .muted { color: rgba(255,255,255,0.45); }
  .terminal-line {
    opacity: 0;
    white-space: pre-wrap;
    animation: typeIn 0.5s ease forwards;
  }
  .terminal-line:nth-child(1) { animation-delay: 0.6s; }
  .terminal-line:nth-child(2) { animation-delay: 1.3s; }
  .terminal-line:nth-child(3) { animation-delay: 2.0s; }
  .terminal-line:nth-child(4) { animation-delay: 2.7s; }
  .cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--accent);
    margin-left: 4px;
    vertical-align: middle;
    animation: blink 1s steps(1) infinite;
  }

  @keyframes typeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes blink {
    0%, 50% { opacity: 1; }
    50.01%, 100% { opacity: 0; }
  }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ---------- Sections generic ---------- */
  section { padding: 88px 0; }
  .section-head {
    max-width: 640px;
    margin: 0 auto 48px;
    text-align: center;
  }
  h2 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -0.015em;
    margin-bottom: 14px;
  }
  .section-head p {
    color: rgba(11, 36, 36, 0.65);
    font-size: 1.02rem;
  }

  /* ---------- Problem cards ---------- */
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .card {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px 26px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(14, 79, 79, 0.06);
    opacity: 0;
    transform: translateY(14px);
    animation: fadeUp 0.6s ease forwards;
  }
  .card:nth-child(1) { animation-delay: 0.05s; }
  .card:nth-child(2) { animation-delay: 0.15s; }
  .card:nth-child(3) { animation-delay: 0.25s; }

  .icon-circle {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--accent-soft);
    color: var(--petrol-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.3rem;
  }
  .card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
  }
  .card p {
    color: rgba(11, 36, 36, 0.68);
    font-size: 0.95rem;
  }

  /* ---------- Service section ---------- */
  .service {
    background: linear-gradient(160deg, var(--petrol) 0%, var(--petrol-dark) 65%, var(--petrol-darker) 100%);
    color: #fff;
  }
  .service .section-head p { color: rgba(255,255,255,0.72); }
  .service .section-head h2 { color: #fff; }
  .service-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: var(--radius);
    padding: 44px;
    max-width: 760px;
    margin: 0 auto;
    backdrop-filter: blur(6px);
  }
  .price-row {
    display: flex;
    align-items: baseline;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 30px;
    padding-bottom: 26px;
    border-bottom: 1px solid rgba(255,255,255,0.14);
  }
  .price-row .price {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  .price-row .term {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    color: var(--accent-soft);
  }
  .checklist { list-style: none; margin-bottom: 28px; }
  .checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 11px 0;
    font-size: 0.98rem;
    color: rgba(255,255,255,0.92);
  }
  .checklist li::before {
    content: "✓";
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--petrol-darker);
    font-size: 0.78rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
  }
  .service-note {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.62);
    font-style: italic;
    margin-bottom: 28px;
    line-height: 1.6;
  }

  /* ---------- Credentials ---------- */
  .cred-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .cred-item {
    text-align: left;
    padding: 8px 4px;
  }
  .cred-num {
    font-family: 'IBM Plex Mono', monospace;
    color: var(--accent);
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: block;
  }
  .cred-item h3 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 10px;
  }
  .cred-item p {
    color: rgba(11, 36, 36, 0.65);
    font-size: 0.95rem;
  }

  /* ---------- CTA banner ---------- */
  .cta-banner {
    background: radial-gradient(circle at 80% 20%, #156363 0%, var(--petrol-dark) 55%, var(--petrol-darker) 100%);
    color: #fff;
    text-align: center;
    padding: 88px 24px;
  }
  .cta-banner h2 { color: #fff; margin-bottom: 12px; }
  .cta-banner p {
    color: rgba(255,255,255,0.72);
    max-width: 480px;
    margin: 0 auto 32px;
    font-size: 1.02rem;
  }

  /* ---------- Process / Timeline ---------- */
  .process {
    background: linear-gradient(180deg, #EEF6F2 0%, var(--bg) 100%);
    border-top: 1px solid rgba(14, 79, 79, 0.05);
  }
  .timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
  }
  .step {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 22px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(14, 79, 79, 0.06);
    position: relative;
  }
  .step .step-num {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--petrol);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 16px;
  }
  .step .day {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.76rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: 8px;
  }
  .step h3 {
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
  }
  .step p {
    color: rgba(11, 36, 36, 0.66);
    font-size: 0.92rem;
  }

  /* ---------- FAQ ---------- */
  .faq-list {
    max-width: 760px;
    margin: 0 auto;
  }
  .faq-item {
    background: #fff;
    border: 1px solid rgba(14, 79, 79, 0.08);
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 14px;
    overflow: hidden;
  }
  .faq-item summary {
    cursor: pointer;
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1.02rem;
    letter-spacing: -0.01em;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after {
    content: "+";
    flex-shrink: 0;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--accent);
    transition: transform 0.2s ease;
  }
  .faq-item[open] summary::after {
    transform: rotate(45deg);
  }
  .faq-item .faq-a {
    padding: 0 24px 22px;
    color: rgba(11, 36, 36, 0.68);
    font-size: 0.96rem;
    line-height: 1.65;
  }

  /* ---------- Footer ---------- */
  footer {
    background: var(--petrol-darker);
    color: rgba(255,255,255,0.75);
    padding: 56px 0 32px;
  }
  .footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
  }
  footer .logo { color: #fff; margin-bottom: 8px; }
  footer .tagline {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 22px;
  }
  footer a.mail {
    color: var(--accent-soft);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.92rem;
    margin-bottom: 18px;
  }
  footer .copy {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 22px;
    margin-top: 10px;
    width: 100%;
    max-width: 480px;
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 768px) {
    section { padding: 64px 0; }
    .hero { padding: 64px 0 64px; }
    .hero-inner {
      grid-template-columns: 1fr;
      gap: 40px;
    }
    .hero p.lead { max-width: 100%; }
    .grid-3, .cred-list { grid-template-columns: 1fr; }
    .service-card { padding: 30px 22px; }
    .nav-inner .btn { padding: 10px 18px; font-size: 0.85rem; }
    .price-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  }

  @media (max-width: 480px) {
    .hero-ctas, .badge { width: 100%; }
    .hero-ctas .btn { width: 100%; }
    .terminal-bar .label-full { display: none; }
    .terminal-bar .label-short { display: inline; }
  }

  @media (max-width: 400px) {
    .nav-inner .btn { padding: 8px 14px; font-size: 0.78rem; }
  }