:root {
      --bg: #0f172a;
      --fg: #f8fafc;
      --card: #1e293b;
      --muted: #b0bcc9;
      --border: #334155;
      --primary: #0096e1;
      --primary-hover: #00aeef;
      --primary-muted: rgba(0, 150, 225, 0.15);
      --accent: #38bdf8;
      --radius: 0.75rem;
      --radius-lg: 1rem;
      --focus-ring: 0 0 0 3px rgba(0, 174, 239, 0.45);
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
    body {
      font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      background: var(--bg);
      color: var(--fg);
      line-height: 1.625;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    h1, h2, h3, h4 { letter-spacing: -0.02em; line-height: 1.2; text-wrap: balance; }
    a { color: inherit; text-decoration: none; }
    a:focus-visible, button:focus-visible, summary:focus-visible {
      outline: none; box-shadow: var(--focus-ring); border-radius: 4px;
    }
    .btn:focus-visible { border-radius: var(--radius); }
    img { max-width: 100%; display: block; }
    .container { max-width: 80rem; margin: 0 auto; padding: 0 1rem; }
    @media (min-width: 640px) { .container { padding: 0 1.5rem; } }
    @media (min-width: 1024px) { .container { padding: 0 2rem; } }

    /* Header */
    .header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 50;
      padding: 1.25rem 0;
      transition: background 0.3s, padding 0.3s, border 0.3s;
    }
    .header.scrolled {
      background: rgba(15, 23, 42, 0.98);
      border-bottom: 1px solid var(--border);
      padding: 0.75rem 0;
    }
    @media (min-width: 768px) {
      .header.scrolled {
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(12px);
      }
    }
    .header-inner { display: flex; align-items: center; justify-content: space-between; }
    .logo { display: flex; align-items: center; flex-shrink: 0; }
    .logo img { object-fit: contain; transition: opacity 0.2s; }
    .logo:hover img { opacity: 0.9; }
    .logo img { height: 2.25rem; width: auto; }
    @media (min-width: 640px) {
      .logo img { height: 2.75rem; }
    }
    .logo-footer img { height: 3.5rem; width: auto; }
    .nav-desktop { display: none; align-items: center; gap: 2rem; }
    @media (min-width: 768px) { .nav-desktop { display: flex; } }
    .nav-desktop a:not(.btn) {
      font-size: 0.875rem; font-weight: 500; color: var(--muted);
      transition: color 0.2s; position: relative; padding-bottom: 0.25rem;
    }
    .nav-desktop a:not(.btn):hover { color: var(--fg); }
    .nav-desktop a:not(.btn).active { color: var(--accent); }
    .nav-desktop a:not(.btn).active::after {
      content: ''; position: absolute; left: 0; right: 0; bottom: 0;
      height: 2px; background: var(--primary); border-radius: 2px;
    }
    .nav-mobile a.active { color: var(--accent); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      font-weight: 600; border-radius: var(--radius);
      transition: transform 0.2s, background 0.2s;
      cursor: pointer; border: none; font-family: inherit;
    }
    .btn:hover { transform: scale(1.02); }
    .btn-primary {
      background: var(--primary); color: var(--fg);
      padding: 0.5rem 1rem; font-size: 0.875rem;
    }
    .btn-primary:hover { background: var(--primary-hover); }
    .btn-lg { padding: 0.875rem 2rem; font-size: 1rem; height: 3.5rem; }
    .btn-xl { padding: 1rem 2.5rem; font-size: 1.125rem; height: 4rem; }
    .btn-outline {
      background: transparent; color: var(--fg);
      border: 1px solid rgba(148, 163, 184, 0.3);
      padding: 0.875rem 2rem; font-size: 1rem; height: 3.5rem;
    }
    .btn-outline:hover { background: rgba(51, 65, 85, 0.5); }
    .btn-full { width: 100%; }
    .btn svg { width: 1.25rem; height: 1.25rem; margin-right: 0.5rem; flex-shrink: 0; }
    .btn-xl svg { width: 1.5rem; height: 1.5rem; margin-right: 0.75rem; }

    .menu-toggle {
      display: flex; padding: 0.5rem; background: none; border: none;
      color: var(--fg); cursor: pointer;
    }
    @media (min-width: 768px) { .menu-toggle { display: none; } }
    .menu-toggle svg { width: 1.5rem; height: 1.5rem; }

    .nav-mobile {
      display: none; position: absolute; top: 100%; left: 0; right: 0;
      background: var(--card); border-bottom: 1px solid var(--border);
      padding: 1rem; box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    }
    .nav-mobile.open { display: block; }
    .nav-mobile a {
      display: block; padding: 0.75rem; font-weight: 500;
      border-radius: var(--radius);
    }
    .nav-mobile a:hover { background: rgba(51, 65, 85, 0.5); }
    .nav-mobile .btn { margin-top: 0.5rem; width: 100%; height: 3rem; }

    /* Hero */
    .hero {
      min-height: 100dvh; display: flex; align-items: center; justify-content: center;
      padding-top: 5rem; position: relative; overflow: hidden;
    }
    .hero-glow {
      position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
      width: min(700px, 90vw); height: min(700px, 90vw);
      background: radial-gradient(circle, var(--primary-muted) 0%, transparent 70%);
      border-radius: 50%; pointer-events: none;
    }
    @media (min-width: 768px) {
      .hero-glow {
        width: min(1100px, 95vw); height: min(1100px, 95vw);
        background: var(--primary-muted);
        filter: blur(60px);
      }
    }
    .hero-content {
      position: relative; z-index: 1; width: 100%;
      text-align: center; padding: 3rem 0 4rem;
    }
    .hero h1 {
      font-size: clamp(2.75rem, 7.5vw, 5.5rem); font-weight: 800;
      line-height: 1.08; letter-spacing: -0.03em;
      margin-bottom: 2rem; text-wrap: balance;
    }
    .hero h1 .accent { color: var(--primary); }
    .hero h1 .hero-line { display: block; }
    .hero p {
      font-size: clamp(1.25rem, 2.2vw, 1.75rem); color: var(--muted);
      max-width: 52rem; margin: 0 auto 3rem; line-height: 1.5;
      text-wrap: pretty;
    }
    .hero-actions {
      display: flex; flex-direction: column; align-items: center;
      gap: 1.25rem;
    }
    @media (min-width: 640px) {
      .hero-actions { flex-direction: row; justify-content: center; }
      .hero-actions .btn { width: auto; }
    }

    /* Sections */
    .section { padding: 6rem 0; }
    .section-lg { padding: 8rem 0; }
    .section-title { text-align: center; margin-bottom: 5rem; }
    .section-title h2 { font-size: clamp(1.875rem, 4vw, 3rem); font-weight: 800; margin-bottom: 0.75rem; }
    .section-title .section-subtitle {
      font-size: 1.125rem; color: var(--muted); max-width: 42rem; margin: 0 auto;
    }

    /* Icon panels */
    .icon-panel {
      aspect-ratio: 4/3; border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      background: linear-gradient(135deg, var(--primary-muted), rgba(15, 23, 42, 0.9));
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    }
    .icon-panel svg { width: 4rem; height: 4rem; color: var(--accent); opacity: 0.9; }
    .service-icon-wrap {
      padding: 2rem 1.25rem 1rem;
      display: flex; align-items: center; justify-content: center;
      background: linear-gradient(180deg, var(--primary-muted), transparent);
      border-bottom: 1px solid var(--border);
    }
    .service-icon-wrap svg { width: 2.75rem; height: 2.75rem; color: var(--accent); }

    /* Method timeline (compact) */
    .method-timeline {
      display: grid; gap: 1rem; margin-top: 4rem; padding-top: 3rem;
      border-top: 1px solid var(--border);
    }
    @media (min-width: 768px) {
      .method-timeline { grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
    }
    .timeline-step {
      text-align: center; padding: 1.25rem 1rem;
      background: rgba(30, 41, 59, 0.5); border: 1px solid var(--border);
      border-radius: var(--radius-lg);
    }
    .timeline-step .tl-icon {
      width: 2.5rem; height: 2.5rem; margin: 0 auto 0.75rem;
      border-radius: 9999px; background: var(--primary-muted);
      display: flex; align-items: center; justify-content: center;
      color: var(--accent);
    }
    .timeline-step .tl-icon svg { width: 1.25rem; height: 1.25rem; }
    .timeline-step h4 { font-size: 0.9375rem; font-weight: 600; margin-bottom: 0.35rem; }
    .timeline-step p { font-size: 0.8125rem; color: var(--muted); }

    /* Method zig-zag */
    .method-list { display: flex; flex-direction: column; gap: 6rem; }
    @media (min-width: 768px) { .method-list { gap: 8rem; } }
    .method-item {
      display: flex; flex-direction: column; gap: 2rem; align-items: center;
    }
    @media (min-width: 768px) {
      .method-item { flex-direction: row; gap: 4rem; }
      .method-item.reverse { flex-direction: row-reverse; }
      .method-item > * { flex: 1; }
    }
    .method-num {
      font-size: clamp(3.75rem, 8vw, 6rem); font-weight: 900;
      color: rgba(148, 163, 184, 0.25); line-height: 1; user-select: none;
    }
    .method-item h3 { font-size: clamp(1.5rem, 3vw, 1.875rem); font-weight: 700; margin-bottom: 1rem; }
    .method-item p { font-size: 1.125rem; color: var(--muted); line-height: 1.7; }
    .method-img {
      border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3;
      border: 1px solid var(--border); box-shadow: 0 25px 50px rgba(0,0,0,0.5);
      position: relative; width: 100%;
    }
    .method-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s; }
    .method-img:hover img { transform: scale(1.05); }
    .method-img::after {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(to top, rgba(15,23,42,0.8), transparent 60%);
      opacity: 0.6; pointer-events: none;
    }

    .grid-2 { display: grid; gap: 2rem; }
    @media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

    /* Services */
    .grid-3 { display: grid; gap: 2rem; }
    @media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
    @media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
    .service-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--radius-lg); overflow: hidden; height: 100%;
      box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      transition: box-shadow 0.3s;
    }
    .service-card:hover { box-shadow: 0 10px 40px var(--primary-muted); }
    .service-card h3 { font-size: 1.25rem; font-weight: 700; padding: 1.25rem 1.25rem 0; }
    .service-card p { color: var(--muted); padding: 0.75rem 1.25rem 1.5rem; line-height: 1.6; }

    /* Cases */
    .cases-highlight {
      background: transparent;
      border-top: 1px solid var(--border);
      border-bottom: none;
      padding-bottom: 4rem;
    }
    .case-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--radius-lg); overflow: hidden; height: 100%;
      display: flex; flex-direction: column;
      transition: border-color 0.25s, box-shadow 0.25s;
    }
    .case-card:hover {
      border-color: rgba(0, 150, 225, 0.4);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
    }
    .cases-grid { align-items: stretch; }
    .cases-grid > .case-card { min-height: 100%; }
    .case-top {
      display: flex; align-items: flex-start; gap: 1.25rem;
      padding: 1.5rem 1.5rem 1.25rem;
    }
    .case-logo-wrap {
      flex-shrink: 0; width: 5.5rem; height: 5.5rem;
      background: #fff; border-radius: var(--radius);
      display: flex; align-items: center; justify-content: center;
      padding: 0.65rem;
    }
    .case-logo-wrap img {
      max-height: 3.25rem; max-width: 100%; object-fit: contain;
    }
    .case-meta { min-width: 0; flex: 1; }
    .case-tag {
      display: inline-block; font-size: 0.6875rem; font-weight: 600;
      text-transform: uppercase; letter-spacing: 0.08em;
      color: var(--accent); margin-bottom: 0.35rem;
    }
    .case-card h3 { font-size: 1.375rem; font-weight: 700; margin: 0 0 0.5rem; }
    .case-meta .case-desc {
      color: var(--muted); line-height: 1.55; margin: 0;
      font-size: 0.9375rem;
    }
    .case-body {
      padding: 1.25rem 1.5rem 1.5rem; flex: 1;
      display: flex; flex-direction: column; gap: 1.25rem;
      border-top: 1px solid var(--border); min-height: 0;
    }
    .case-desc { color: var(--muted); line-height: 1.65; margin: 0; }
    .case-result {
      padding-left: 1rem; border-left: 3px solid var(--primary); margin: 0;
    }
    .case-result strong {
      display: block; font-size: 0.6875rem; font-weight: 600;
      text-transform: uppercase; letter-spacing: 0.06em;
      color: var(--primary); margin-bottom: 0.35rem;
    }
    .case-result p { color: var(--fg); font-size: 0.9375rem; line-height: 1.55; margin: 0; }
    .case-link {
      display: inline-flex; align-items: center; gap: 0.35rem;
      font-weight: 600; font-size: 0.9375rem; color: var(--accent);
      margin-top: auto; transition: color 0.2s, gap 0.2s;
    }
    .case-link:hover { color: var(--primary-hover); gap: 0.5rem; }

    .case-quote {
      margin: 0; padding: 1.5rem 1.5rem 0.75rem; flex: 1;
      display: flex; flex-direction: column;
      background: rgba(15, 23, 42, 0.55);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      position: relative;
    }
    .case-quote-text {
      flex: 1; display: flex; flex-direction: column;
      padding-bottom: 1.75rem;
    }
    .case-quote-text p {
      color: var(--muted); line-height: 1.7; margin: 0 0 0.85rem;
      font-size: 0.9375rem;
    }
    .case-quote-text p:last-child { margin-bottom: 0; }
    .case-quote-footer {
      display: flex; align-items: flex-end; justify-content: space-between;
      gap: 1rem; margin-top: auto; flex-shrink: 0;
      padding-top: 1rem; border-top: 1px solid var(--border);
    }
    .case-quote-author {
      display: flex; align-items: center; gap: 0.75rem; min-width: 0;
    }
    .case-quote-avatar {
      width: 2.75rem; height: 2.75rem; border-radius: 50%;
      object-fit: contain; background: #fff; padding: 0.35rem;
      flex-shrink: 0; border: 1px solid var(--border);
    }
    .case-quote cite { font-style: normal; min-width: 0; }
    .case-quote cite strong {
      display: block; color: var(--fg); font-size: 0.9375rem; font-weight: 700;
    }
    .case-quote cite span {
      display: block; color: var(--muted); font-size: 0.8125rem;
      margin-top: 0.15rem; line-height: 1.4;
    }
    .case-quote-mark {
      font-size: clamp(3rem, 8vw, 4.5rem); line-height: 0.85;
      color: rgba(56, 189, 248, 0.18); font-family: Georgia, 'Times New Roman', serif;
      flex-shrink: 0; user-select: none; pointer-events: none;
      margin-bottom: -0.35rem;
    }

    /* Coverage */
    .coverage { text-align: center; padding: 2.5rem 0 4rem; border-bottom: 1px solid var(--border); }
    .coverage svg { width: 2.5rem; height: 2.5rem; color: var(--primary); margin: 0 auto 1rem; opacity: 0.8; }
    .coverage h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
    .coverage p { font-size: 1.125rem; color: var(--muted); max-width: 36rem; margin: 0 auto; }

    /* CTA */
    .cta {
      background: var(--card); padding: 8rem 0; text-align: center;
      position: relative; overflow: hidden;
    }
    .cta-bg {
      position: absolute; inset: 0;
      background: radial-gradient(ellipse at center, var(--primary-muted), var(--bg) 70%);
      pointer-events: none;
    }
    .cta-content { position: relative; z-index: 1; max-width: 56rem; margin: 0 auto; }
    .cta h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; margin-bottom: 1.5rem; }
    .cta p { font-size: 1.25rem; color: var(--muted); max-width: 36rem; margin: 0 auto 2.5rem; }

    /* Footer */
    footer {
      border-top: 1px solid var(--border); padding: 3rem 0;
      font-size: 0.875rem;
    }
    .footer-grid { display: grid; gap: 2rem; margin-bottom: 2rem; }
    @media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
    .footer-brand p { color: var(--muted); max-width: 20rem; margin-top: 1rem; line-height: 1.6; }
    footer h4 { font-weight: 600; margin-bottom: 1rem; }
    footer ul { list-style: none; }
    footer li { margin-bottom: 0.5rem; }
    footer a { color: var(--muted); transition: color 0.2s; }
    footer a:hover { color: var(--primary); }
    .footer-bottom {
      padding-top: 2rem; border-top: 1px solid rgba(51, 65, 85, 0.5);
      display: flex; flex-direction: column; gap: 1rem;
      color: var(--muted); align-items: center; text-align: center;
    }
    @media (min-width: 768px) {
      .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
    }
    .footer-links { display: flex; gap: 1rem; }

    /* Fade in on scroll (below the fold only) */
    .reveal-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
    .reveal-on-scroll.visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
      .reveal-on-scroll, .reveal-stagger > .reveal-child {
        opacity: 1; transform: none; transition: none;
      }
    }
    .reveal-stagger > .reveal-child { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
    .reveal-stagger.visible > .reveal-child { opacity: 1; transform: translateY(0); }
    .reveal-stagger.visible > .reveal-child:nth-child(1) { transition-delay: 0.05s; }
    .reveal-stagger.visible > .reveal-child:nth-child(2) { transition-delay: 0.12s; }
    .reveal-stagger.visible > .reveal-child:nth-child(3) { transition-delay: 0.19s; }
    .reveal-stagger.visible > .reveal-child:nth-child(4) { transition-delay: 0.26s; }
    .reveal-stagger.visible > .reveal-child:nth-child(5) { transition-delay: 0.33s; }
    .reveal-stagger.visible > .reveal-child:nth-child(6) { transition-delay: 0.4s; }
    .reveal-stagger.visible > .reveal-child:nth-child(7) { transition-delay: 0.47s; }

    /* WhatsApp float */
    .wa-float {
      position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 40;
      width: 3rem; height: 3rem; border-radius: 50%;
      background: var(--card); border: 2px solid var(--primary);
      color: #25d366; display: flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
      transition: transform 0.2s, opacity 0.3s, visibility 0.3s;
      opacity: 0; visibility: hidden; pointer-events: none;
    }
    .wa-float.show { opacity: 1; visibility: visible; pointer-events: auto; }
    .wa-float:hover { transform: scale(1.06); background: rgba(30, 41, 59, 0.95); }
    .wa-float svg { width: 1.5rem; height: 1.5rem; }

    /* FAQ */
    .faq-list { max-width: 48rem; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
    .faq-item {
      background: var(--card); border: 1px solid var(--border);
      border-radius: var(--radius); overflow: hidden;
    }
    .faq-item summary {
      padding: 1.25rem 1.5rem; font-weight: 600; cursor: pointer;
      list-style: none; display: flex; justify-content: space-between; gap: 1rem;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: '+'; color: var(--primary); font-size: 1.25rem; flex-shrink: 0; }
    .faq-item[open] summary::after { content: '−'; }
    .faq-item p {
      padding: 0 1.5rem 1.25rem; color: var(--muted); line-height: 1.7;
    }