:root {
    --ink: #16181c; --ink-soft: #6b6f78;
    --paper: #f6f6f7; --card: #ffffff; --line: #e3e4e7;
    --forest: #16181c; --forest2: #33353b;
    --brass: #2f6fed; --brass-light: #5b8ff9; --brass-soft: #eaf1ff;
    --green-soft: #e6f5ea; --green-text: #1f7a3d;
  }
  * { box-sizing: border-box; }
  body { margin: 0; font-family: 'Inter', -apple-system, "Segoe UI", Arial, sans-serif; background: var(--paper); color: var(--ink); line-height: 1.5; }
  a { color: inherit; }
  .wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

  /* Nav */
  nav { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
  nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
  .brand { font-size: 19px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
  .brand::before { content: ''; width: 26px; height: 26px; border-radius: 8px; background: var(--brass); display: inline-block; }
  .brand span { color: var(--brass); }
  .nav-links { display: flex; gap: 28px; align-items: center; font-size: 14px; font-weight: 500; }
  .nav-links a.cta { background: var(--forest); color: #fff; padding: 9px 18px; border-radius: 8px; font-weight: 600; }

  /* Hero */
  .hero { padding: 84px 0 64px; text-align: center; }
  .hero h1 { font-size: 44px; font-weight: 800; line-height: 1.15; margin: 0 0 18px; letter-spacing: -0.5px; }
  .hero h1 .accent { color: var(--brass); }
  .hero p.sub { font-size: 18px; color: var(--ink-soft); max-width: 620px; margin: 0 auto 32px; }
  .hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  .btn { display: inline-block; padding: 14px 26px; border-radius: 9px; font-weight: 700; font-size: 15px; text-decoration: none; cursor: pointer; border: none; }
  .btn-primary { background: var(--brass); color: #fff; }
  .btn-primary:hover { background: #2559c4; }
  .btn-outline { background: #fff; border: 1.5px solid var(--line); color: var(--ink); }
  .btn-outline:hover { border-color: var(--ink-soft); }
  .hero-note { margin-top: 16px; font-size: 13px; color: var(--ink-soft); }

  /* Trust bar */
  .trust-bar { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 22px 0; }
  .trust-bar .wrap { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; font-size: 13px; color: var(--ink-soft); font-weight: 600; }

  /* Sections */
  section { padding: 72px 0; }
  .section-head { text-align: center; max-width: 560px; margin: 0 auto 48px; }
  .section-head h2 { font-size: 30px; font-weight: 800; margin: 0 0 12px; }
  .section-head p { color: var(--ink-soft); font-size: 15.5px; margin: 0; }

  .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .feature-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
  .feature-card .icon { width: 42px; height: 42px; border-radius: 10px; background: var(--brass-soft); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 14px; }
  .feature-card h3 { font-size: 16.5px; font-weight: 700; margin: 0 0 8px; }
  .feature-card p { font-size: 14px; color: var(--ink-soft); margin: 0; }
  .feature-card .badge-pro { display: inline-block; font-size: 10px; font-weight: 700; background: var(--green-text); color: #fff; padding: 2px 8px; border-radius: 8px; margin-left: 6px; vertical-align: middle; }

  /* How it works */
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
  .step { text-align: center; }
  .step .num { width: 40px; height: 40px; border-radius: 50%; background: var(--forest); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; font-size: 16px; }
  .step h3 { font-size: 15.5px; font-weight: 700; margin: 0 0 6px; }
  .step p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }

  /* Pricing */
  .pricing-wrap { background: var(--card); }
  .pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 760px; margin: 0 auto; }
  .pricing-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 960px; margin: 0 auto; }
  .price-card { border: 1.5px solid var(--line); border-radius: 16px; padding: 32px 28px; background: #fff; }
  .price-card.featured { border-color: var(--brass); position: relative; box-shadow: 0 8px 24px rgba(47,111,237,0.12); }
  .price-card.featured::before { content: 'MOST POPULAR'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--brass); color: #fff; font-size: 10.5px; font-weight: 700; padding: 4px 12px; border-radius: 10px; letter-spacing: 0.5px; }
  .price-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 4px; }
  .price-card .price { font-size: 36px; font-weight: 800; margin: 14px 0 2px; }
  .price-card .price span { font-size: 14px; font-weight: 500; color: var(--ink-soft); }
  .price-card .price-sub { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 20px; }
  .price-card ul { list-style: none; padding: 0; margin: 0 0 24px; }
  .price-card li { font-size: 14px; padding: 7px 0; display: flex; align-items: flex-start; gap: 8px; }
  .price-card li::before { content: '✓'; color: var(--green-text); font-weight: 700; flex-shrink: 0; }
  .price-card li.muted { color: var(--ink-soft); }
  .price-card li.muted::before { content: '—'; color: var(--ink-soft); }
  .price-card .btn { width: 100%; text-align: center; }

  /* Testimonial / social proof placeholder */
  .quote-card { background: var(--forest); color: #fff; border-radius: 18px; padding: 48px; text-align: center; max-width: 720px; margin: 0 auto; }
  .quote-card p.q { font-size: 20px; font-weight: 500; line-height: 1.5; margin: 0 0 18px; }
  .quote-card .who { font-size: 13px; color: #b9bcc4; }

  /* Final CTA */
  .final-cta { text-align: center; padding: 80px 0; }
  .final-cta h2 { font-size: 30px; font-weight: 800; margin: 0 0 14px; }
  .final-cta p { color: var(--ink-soft); margin: 0 0 28px; }

  footer { border-top: 1px solid var(--line); padding: 32px 0; text-align: center; font-size: 13px; color: var(--ink-soft); }

  @media (max-width: 760px) {
    .hero h1 { font-size: 32px; }
    .feature-grid, .steps, .pricing-grid, .pricing-grid-3 { grid-template-columns: 1fr; }
    nav .nav-links a:not(.cta) { display: none; }
  }

  /* Blog */
  .blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .blog-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
  .blog-card .blog-body { padding: 22px; }
  .blog-card .blog-tag { font-size: 11px; font-weight: 700; color: var(--brass); text-transform: uppercase; letter-spacing: .04em; }
  .blog-card h3 { font-size: 18px; font-weight: 700; margin: 8px 0 8px; }
  .blog-card p { font-size: 14px; color: var(--ink-soft); margin: 0 0 14px; }
  .blog-card a.read-more { font-size: 13.5px; font-weight: 700; color: var(--brass); text-decoration: none; }
  article.post { max-width: 680px; margin: 0 auto; padding: 60px 0; }
  article.post h1 { font-size: 32px; font-weight: 800; margin: 0 0 8px; }
  article.post .meta { font-size: 13px; color: var(--ink-soft); margin-bottom: 32px; }
  article.post h2 { font-size: 21px; font-weight: 700; margin: 32px 0 12px; }
  article.post p { font-size: 15.5px; color: var(--ink); margin: 0 0 16px; }
  article.post ul { padding-left: 20px; }
  article.post li { font-size: 15px; margin-bottom: 8px; }
  article.post a.back { display: inline-block; margin-bottom: 24px; font-size: 13.5px; color: var(--brass); text-decoration: none; font-weight: 600; }

  /* FAQ */
  .faq-item { border-bottom: 1px solid var(--line); padding: 18px 0; }
  .faq-item summary { font-size: 15.5px; font-weight: 700; cursor: pointer; list-style: none; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after { content: '+'; float: right; font-weight: 400; color: var(--ink-soft); }
  .faq-item[open] summary::after { content: '−'; }
  .faq-item p { font-size: 14px; color: var(--ink-soft); margin: 10px 0 0; }

  @media (max-width: 760px) {
    .blog-grid { grid-template-columns: 1fr; }
  }

  /* Founder / customer proof blocks */
  .founder-proof { padding: 48px 24px; background: var(--card); }
  .proof-card {
    max-width: 640px; margin: 0 auto; text-align: center;
    border: 1px solid var(--line); border-radius: 14px; padding: 32px 28px; background: #fff;
  }
  .proof-label { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brass); margin-bottom: 14px; }
  .proof-line { font-size: 15px; line-height: 1.7; color: var(--ink-soft); margin-bottom: 14px; }
  .proof-signoff { font-size: 13.5px; font-weight: 600; color: var(--ink-soft); margin-top: 18px; }
  .customer-proof { padding: 48px 24px; }
  .testimonial-card { max-width: 600px; margin: 0 auto; text-align: center; padding: 28px; }
  .testimonial-card .quote { font-size: 17px; line-height: 1.6; color: var(--ink); font-style: italic; margin-bottom: 16px; }
  .testimonial-card .attribution { font-size: 14px; font-weight: 600; color: var(--ink-soft); }

  /* Animated "how it works" mockup — a stylized illustration of the workflow,
     not a real screen recording. Cycles through 4 frames on a loop. */
  .demo-phone { max-width: 320px; margin: 0 auto; background: #16181c; border-radius: 28px; padding: 14px; box-shadow: 0 24px 48px -16px rgba(0,0,0,.28); }
  .demo-screen { position: relative; background: #f6f6f7; border-radius: 18px; overflow: hidden; aspect-ratio: 9/16; }
  .demo-frame { position: absolute; inset: 0; padding: 20px 16px; opacity: 0; animation: demoFrames 16s infinite; display: flex; flex-direction: column; }
  .demo-frame:nth-child(1) { animation-delay: 0s; }
  .demo-frame:nth-child(2) { animation-delay: 4s; }
  .demo-frame:nth-child(3) { animation-delay: 8s; }
  .demo-frame:nth-child(4) { animation-delay: 12s; }
  @keyframes demoFrames {
    0% { opacity: 0; }
    3% { opacity: 1; }
    22% { opacity: 1; }
    25% { opacity: 0; }
    100% { opacity: 0; }
  }
  .demo-frame .df-label { font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brass); margin-bottom: 10px; }
  .demo-chip { display: inline-block; background: #fff; border: 1px solid var(--line); border-radius: 100px; padding: 6px 12px; font-size: 11px; margin: 3px; }
  .demo-chip.active { background: var(--forest); color: #fff; border-color: var(--forest); }
  .demo-row { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; font-size: 11px; }
  .demo-row .df-tag { display: inline-block; background: #fdecea; color: #b3492f; font-size: 9px; font-weight: 700; border-radius: 6px; padding: 2px 6px; margin-left: 6px; }
  .demo-mockup-preview { flex: 1; background: linear-gradient(150deg,#0d1830,#1a2c4d); border-radius: 12px; margin-top: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 24px; }
  .demo-wa-bubble { background: #dcf8c6; border-radius: 10px; padding: 10px 12px; font-size: 11px; margin-top: auto; align-self: flex-end; max-width: 90%; }
  .how-it-works-wrap { display: grid; grid-template-columns: 340px 1fr; gap: 48px; align-items: center; }
  @media (max-width: 780px) { .how-it-works-wrap { grid-template-columns: 1fr; } }
