*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
  :root {
    --bg0: #f6f8fc; --bg1: #ffffff; --bg2: #eef2f9;
    --line: rgba(13,27,62,0.14); --line-soft: rgba(13,27,62,0.08);
    --txt: #0f1d35; --mut: #4d5f7c; --mut2: #8093ad;
    --cy: #0e7490; --cyb: #06b6d4; --bl: #4f46e5; --vi: #7c3aed;
    --rose: #e11d48; --green: #059669;
    --grad: linear-gradient(100deg, #0891b2 0%, #4f46e5 55%, #7c3aed 100%);
    --shadow-card: 0 1px 2px rgba(16,29,51,0.05), 0 10px 34px rgba(16,29,51,0.08);
    --shadow-card-hover: 0 2px 4px rgba(16,29,51,0.06), 0 22px 54px rgba(16,29,51,0.14);
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg0); color: var(--txt);
    font-family: var(--font-body); font-size: 16px; line-height: 1.65;
    overflow-x: hidden; -webkit-font-smoothing: antialiased;
  }
  ::selection { background: rgba(8,145,178,0.22); color: var(--txt); }

  .grain {
    position: fixed; inset: -50%; pointer-events: none; z-index: 2000; opacity: 0.032;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
    animation: grain-shift 9s steps(6) infinite;
  }
  @keyframes grain-shift {
    0%,100% { transform: translate(0,0); } 20% { transform: translate(-3%,2%); }
    40% { transform: translate(2%,-3%); } 60% { transform: translate(-2%,-2%); } 80% { transform: translate(3%,3%); }
  }

  .cursor, .cursor-ring { position: fixed; pointer-events: none; z-index: 3000; top: 0; left: 0; }
  .cursor { width: 10px; height: 10px; background: var(--cy); border-radius: 50%; transition: transform .15s ease; }
  .cursor-ring {
    width: 38px; height: 38px; border: 1.5px solid rgba(14,116,144,0.4); border-radius: 50%;
    transition: width .25s var(--ease-out), height .25s var(--ease-out), border-color .25s, background .25s;
  }
  .cursor-ring.hovering { width: 58px; height: 58px; border-color: rgba(14,116,144,0.75); background: rgba(14,116,144,0.07); }
  @media (hover: none), (pointer: coarse) { .cursor, .cursor-ring { display: none; } }

  #progress {
    position: fixed; top: 0; left: 0; right: 0; height: 2.5px;
    background: var(--grad); transform-origin: left; transform: scaleX(0); z-index: 1500;
  }

  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 22px clamp(24px, 5vw, 64px);
    display: flex; align-items: center; justify-content: space-between;
    transition: background .4s, padding .35s, backdrop-filter .4s, border-color .4s;
    border-bottom: 1px solid transparent;
  }
  nav.scrolled {
    background: rgba(246,248,252,0.85); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom-color: var(--line-soft); padding: 14px clamp(24px, 5vw, 64px);
  }
  .nav-logo {
    display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--txt);
    font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; letter-spacing: -0.01em;
  }
  .nav-logo img { height: 34px; width: 34px; border-radius: 50%; box-shadow: 0 2px 10px rgba(16,29,51,0.15); }
  .nav-links { display: flex; gap: clamp(16px, 2vw, 30px); align-items: center; }
  .nav-links > a {
    color: var(--mut); text-decoration: none; font-size: 0.88rem; font-weight: 450;
    transition: color .2s; position: relative; padding: 4px 0;
  }
  .nav-links > a::after {
    content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 1.5px;
    background: var(--grad); transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease-out);
  }
  .nav-links > a:hover { color: var(--txt); }
  .nav-links > a:hover::after { transform: scaleX(1); transform-origin: left; }
  .nav-links > a.active { color: var(--cy); }
  .nav-links > a.active::after { transform: scaleX(1); }
  .nav-right { display: flex; align-items: center; gap: 18px; }
  .nav-wa { color: var(--mut); transition: color .2s, transform .2s; display: flex; }
  .nav-wa:hover { color: var(--green); transform: scale(1.12); }
  .nav-cta {
    background: linear-gradient(100deg, #0891b2, #4f46e5); color: #fff !important;
    padding: 10px 22px; border-radius: 8px; font-weight: 600 !important; font-size: 0.88rem !important;
    text-decoration: none; white-space: nowrap; box-shadow: 0 6px 20px rgba(79,70,229,0.28);
    transition: transform .25s var(--ease-out), box-shadow .25s; display: inline-block;
  }
  .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(79,70,229,0.4); }
  .burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; z-index: 1102; }
  .burger span { width: 24px; height: 2px; background: var(--txt); border-radius: 2px; transition: transform .35s var(--ease-out), opacity .25s; }
  body.menu-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.menu-open .burger span:nth-child(2) { opacity: 0; }
  body.menu-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-menu {
    position: fixed; inset: 0; z-index: 1100; background: rgba(246,248,252,0.97);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
    opacity: 0; visibility: hidden; transition: opacity .4s ease, visibility .4s;
  }
  body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
  .mobile-menu a {
    font-family: var(--font-display); font-size: clamp(1.5rem, 5.5vw, 2.1rem); font-weight: 600;
    color: var(--txt); text-decoration: none; padding: 9px 24px;
    opacity: 0; transform: translateY(20px);
    transition: opacity .5s var(--ease-out), transform .5s var(--ease-out), color .2s;
  }
  .mobile-menu a:hover, .mobile-menu a.active { color: var(--cy); }
  body.menu-open .mobile-menu a { opacity: 1; transform: translateY(0); }
  body.menu-open .mobile-menu a:nth-child(1) { transition-delay: .06s; }
  body.menu-open .mobile-menu a:nth-child(2) { transition-delay: .11s; }
  body.menu-open .mobile-menu a:nth-child(3) { transition-delay: .16s; }
  body.menu-open .mobile-menu a:nth-child(4) { transition-delay: .21s; }
  body.menu-open .mobile-menu a:nth-child(5) { transition-delay: .26s; }
  body.menu-open .mobile-menu a:nth-child(6) { transition-delay: .31s; }
  body.menu-open .mobile-menu a:nth-child(7) { transition-delay: .36s; }

  /* ── ARTICLE ── */
  .post-hero {
    position: relative; z-index: 1;
    max-width: 760px; margin: 0 auto;
    padding: 150px clamp(20px, 5vw, 40px) 40px;
  }
  .post-hero::before {
    content: ''; position: absolute; inset: -80px -9999px 0; pointer-events: none; z-index: -1;
    background: radial-gradient(ellipse 60% 55% at 50% 0%, rgba(6,182,212,0.08), transparent);
  }
  .crumb {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.82rem; font-weight: 550; color: var(--cy);
    text-decoration: none; margin-bottom: 26px;
    transition: transform .25s var(--ease-out);
  }
  .crumb:hover { transform: translateX(-3px); }
  .post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 0.76rem; color: var(--mut2); margin-bottom: 18px; }
  .post-meta .cat {
    color: var(--cy); font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase;
    background: rgba(8,145,178,0.07); border: 1px solid rgba(8,145,178,0.2);
    padding: 4px 12px; border-radius: 100px;
  }
  .post-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 700;
    line-height: 1.14; letter-spacing: -0.025em; margin-bottom: 18px;
  }
  .post-lead {
    font-size: clamp(1.02rem, 1.4vw, 1.14rem); color: var(--mut);
    line-height: 1.75; font-weight: 350;
  }
  .post-lead strong { color: var(--txt); font-weight: 550; }

  .post-cover {
    position: relative; z-index: 1;
    max-width: 920px; margin: 0 auto clamp(30px, 4vw, 44px);
    padding: 0 clamp(20px, 5vw, 40px);
  }
  .post-cover img {
    display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
    border-radius: 20px; border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-card-hover);
    background: linear-gradient(140deg, rgba(8,145,178,0.1), rgba(124,58,237,0.09));
  }
  .post-cover figcaption {
    margin-top: 12px; text-align: center;
    font-size: 0.76rem; color: var(--mut2); font-style: italic;
  }

  .post-body {
    position: relative; z-index: 1;
    max-width: 700px; margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 40px) 40px;
  }
  .post-body p { font-size: 1.02rem; color: #2c3c57; line-height: 1.8; margin-bottom: 22px; font-weight: 380; }
  .post-body p strong { color: var(--txt); font-weight: 600; }
  .post-body h2 {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.6vw, 1.7rem); font-weight: 700;
    letter-spacing: -0.02em; line-height: 1.25;
    margin: 44px 0 18px; color: var(--txt);
    position: relative; padding-left: 18px;
  }
  .post-body h2::before {
    content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px;
    border-radius: 4px; background: var(--grad);
  }
  .post-body h3 {
    font-family: var(--font-display); font-size: 1.12rem; font-weight: 650;
    letter-spacing: -0.01em; margin: 30px 0 12px;
  }
  .post-body ul { list-style: none; margin: 0 0 22px; }
  .post-body ul li {
    position: relative; padding-left: 28px; margin-bottom: 12px;
    font-size: 1rem; color: #2c3c57; line-height: 1.7; font-weight: 380;
  }
  .post-body ul li::before {
    content: ''; position: absolute; left: 4px; top: 11px;
    width: 8px; height: 8px; border-radius: 50%;
    background: linear-gradient(120deg, #0891b2, #7c3aed);
  }
  .post-body ul li strong { color: var(--txt); font-weight: 600; }
  .post-body blockquote {
    margin: 30px 0; padding: 22px 26px;
    background: var(--bg1); border: 1px solid var(--line-soft);
    border-left: 4px solid var(--cy);
    border-radius: 0 14px 14px 0;
    box-shadow: var(--shadow-card);
    font-size: 1.02rem; font-style: italic; color: var(--mut); line-height: 1.7;
  }
  .post-body blockquote strong { color: var(--txt); font-style: normal; }

  .post-cta {
    margin: 48px 0 8px;
    background: linear-gradient(165deg, #ffffff, #f8faff) padding-box,
                linear-gradient(170deg, rgba(8,145,178,0.6), rgba(124,58,237,0.45), transparent 70%) border-box;
    border: 1px solid transparent;
    border-radius: 20px; padding: 34px 30px;
    box-shadow: var(--shadow-card);
    text-align: center;
  }
  .post-cta h3 {
    font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
    letter-spacing: -0.02em; margin-bottom: 12px; line-height: 1.3;
  }
  .post-cta p { font-size: 0.92rem; color: var(--mut); line-height: 1.7; margin-bottom: 24px !important; }
  .post-cta .cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 14px 26px; border-radius: 10px;
    font-family: var(--font-body); font-weight: 600; font-size: 0.93rem;
    text-decoration: none; cursor: pointer; border: none;
    transition: transform .3s var(--ease-out), box-shadow .3s, border-color .25s, background .25s;
  }
  .btn-primary { background: linear-gradient(100deg, #0891b2, #4f46e5); color: #fff; box-shadow: 0 8px 28px rgba(79,70,229,0.3); }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(79,70,229,0.42); }
  .btn-wa { background: rgba(5,150,105,0.07); color: #047857; border: 1px solid rgba(5,150,105,0.32); }
  .btn-wa:hover { background: rgba(5,150,105,0.13); transform: translateY(-2px); }
  @media (max-width: 640px) { .post-cta .cta-btns .btn { width: 100%; } }

  .post-end {
    max-width: 700px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px) 90px;
    text-align: center; font-size: 0.85rem; color: var(--mut2);
  }
  .post-end a { color: var(--cy); font-weight: 600; text-decoration: none; }
  .post-end a:hover { text-decoration: underline; }

  footer {
    position: relative; z-index: 1; background: #ffffff;
    border-top: 1px solid var(--line-soft);
    padding: clamp(40px, 5vw, 60px) clamp(20px, 5vw, 64px) 30px;
  }
  .foot-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
  .foot-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
  .foot-brand img { height: 36px; width: 36px; border-radius: 50%; box-shadow: 0 2px 10px rgba(16,29,51,0.15); }
  .foot-brand span { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--txt); }
  .foot-desc { font-size: 0.84rem; color: var(--mut); line-height: 1.7; font-weight: 350; max-width: 300px; }
  .foot-zones {
    max-width: 1200px; margin: 0 auto 42px;
    padding: 20px 24px;
    background: var(--bg2);
    border: 1px solid var(--line-soft);
    border-radius: 14px;
  }
  .foot-zones .fz-title {
    font-family: var(--font-display); font-size: 0.76rem; font-weight: 650;
    letter-spacing: 0.12em; text-transform: uppercase; color: var(--mut2); margin-bottom: 8px;
  }
  .foot-zones p { font-size: 0.84rem; color: var(--mut); line-height: 1.75; font-weight: 350; }
  .foot-zones strong { color: var(--txt); font-weight: 550; }
  .foot-col h5 {
    font-family: var(--font-display); font-size: 0.78rem; font-weight: 650;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--mut2); margin-bottom: 16px;
  }
  .foot-col a {
    display: flex; align-items: center; gap: 8px; color: var(--mut); text-decoration: none;
    font-size: 0.86rem; padding: 5px 0; transition: color .2s, transform .2s;
  }
  .foot-col a:hover { color: var(--cy); transform: translateX(3px); }
  .foot-col a.active { color: var(--cy); }
  .foot-bottom {
    max-width: 1200px; margin: 0 auto; padding-top: 24px; border-top: 1px solid var(--line-soft);
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px;
    font-size: 0.78rem; color: var(--mut2);
  }
  .foot-bottom .heart { color: var(--rose); }

  @media (max-width: 900px) { .nav-links { display: none; } .burger { display: flex; } }
  @media (max-width: 1060px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 640px) { .foot-grid { grid-template-columns: 1fr; gap: 26px; } .foot-bottom { justify-content: center; text-align: center; } }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
  }