/* =========================================================
     EPP visual redesign v4: premium editorial, motion-rich
     2026-06-11. Self-contained: index.html only.
     ========================================================= */
  :root {
    --ink: #071120;
    --ink-2: #0c1c31;
    --ink-3: #122844;
    --teal: #2d8a9a;
    --teal-bright: #3fc1d4;
    --teal-glow: #6de4f0;
    --teal-deep: #16606e;
    --cream: #faf6ee;
    --cream-2: #f2ebdd;
    --navy: #15294b;
    --slate: #44546a;
    --slate-2: #6b7a90;
    --amber: #e8b14a;
    --coral: #d96a5b;
    --line-dark: rgba(255,255,255,0.1);
    --line-light: rgba(21,41,75,0.13);
    --r-lg: 26px;
    --shadow-lg: 0 30px 60px -20px rgba(7,17,32,0.35);
    --shadow-md: 0 16px 40px -16px rgba(7,17,32,0.22);
    --ease: cubic-bezier(.22,.61,.21,1);
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0; font-family: 'Inter', system-ui, sans-serif;
    background: var(--ink); color: var(--navy);
    font-size: 16.5px; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  h1,h2,h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; letter-spacing: -0.015em; }
  .serif-i { font-style: italic; font-weight: 500; }
  a { color: inherit; }
  img { max-width: 100%; }
  .wrap { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
  .skip-link { position: absolute; left: -9999px; }
  .skip-link:focus { left: 12px; top: 12px; z-index: 99; background: #fff; padding: .5rem 1rem; border-radius: 8px; }

  .eyebrow {
    display: inline-flex; align-items: center; gap: .6rem;
    font-size: .76rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
    color: var(--teal-bright);
  }
  .eyebrow::before { content: ""; width: 26px; height: 2px; background: currentColor; border-radius: 2px; }
  .on-light .eyebrow { color: var(--teal-deep); }

  /* ---------- reveal-on-scroll ---------- */
  .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
  .reveal.in { opacity: 1; transform: none; }
  .reveal[data-d="1"] { transition-delay: .08s; } .reveal[data-d="2"] { transition-delay: .16s; }
  .reveal[data-d="3"] { transition-delay: .24s; } .reveal[data-d="4"] { transition-delay: .32s; }
  @media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  }

  /* ---------- floating glass header ---------- */
  .topbar {
    position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
    width: min(1160px, calc(100% - 24px)); z-index: 50;
    background: rgba(10,19,35,0.72);
    backdrop-filter: blur(16px) saturate(1.3); -webkit-backdrop-filter: blur(16px) saturate(1.3);
    border: 1px solid rgba(255,255,255,0.09); border-radius: 18px;
    box-shadow: 0 14px 38px -18px rgba(0,0,0,0.65);
  }
  .topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 9px 18px; gap: 1rem; position: relative; }
  .brand-link { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
  .brand-link img { display: block; width: 76px; height: auto; filter: drop-shadow(0 2px 10px rgba(63,193,212,0.35)); }
  .brand-name { font-family: 'Fraunces', Georgia, serif; font-weight: 600; font-size: 1.28rem; color: var(--cream); line-height: 1.12; letter-spacing: .01em; }
  .brand-name small { display: block; font-family: 'Inter', system-ui, sans-serif; font-weight: 600; font-size: .66rem; letter-spacing: .24em; text-transform: uppercase; color: var(--teal-bright); margin-top: 2px; }
  .nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; color: var(--cream); cursor: pointer; }
  .main-nav ul { display: flex; align-items: center; gap: .3rem; list-style: none; margin: 0; padding: 0; }
  .main-nav a, .nav-dropdown-toggle {
    display: block; padding: .55rem .8rem; border-radius: 10px;
    font-size: .92rem; font-weight: 600; color: rgba(250,246,238,0.82); text-decoration: none;
    background: none; border: 0; cursor: pointer; font-family: inherit;
    transition: background .18s ease, color .18s ease;
  }
  .main-nav a:hover, .nav-dropdown-toggle:hover { background: rgba(63,193,212,0.12); color: var(--teal-glow); }
  .nav-caret { font-size: .7em; opacity: .7; }
  .nav-has-dropdown { position: relative; }
  .main-nav ul.nav-dropdown {
    display: grid; grid-auto-flow: column;
    grid-template-rows: auto repeat(3, auto);
    grid-template-columns: repeat(2, minmax(230px, 1fr));
    gap: 2px 20px; align-items: stretch;
    position: absolute; top: calc(100% + 10px); left: 0;
    background: rgba(13,24,42,0.97); border: 1px solid rgba(255,255,255,0.1); border-radius: 14px;
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 20px 50px -18px rgba(0,0,0,0.7); padding: .9rem; margin: 0; list-style: none;
    opacity: 0; visibility: hidden; transform: translateY(-6px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .nav-has-dropdown:hover .nav-dropdown, .nav-dropdown.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-dropdown a { padding: .55rem .8rem; border-radius: 9px; font-weight: 500; white-space: nowrap; }
  .nav-group-label {
    font-size: .68rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
    color: var(--teal-bright); padding: .4rem .8rem .5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: .3rem; white-space: nowrap;
  }
  .nav-cta {
    background: linear-gradient(120deg, var(--teal-deep), var(--teal)); color: #fff !important;
    border-radius: 999px !important; padding: .55rem 1.15rem !important;
    box-shadow: 0 6px 18px -6px rgba(63,193,212,0.5);
  }
  .nav-cta:hover { background: linear-gradient(120deg, var(--teal), var(--teal-bright)) !important; }
  @media (max-width: 1020px) {
    .nav-toggle { display: block; }
    .main-nav { display: none; position: absolute; top: calc(100% + 8px); left: 0; right: 0;
      background: rgba(13,24,42,0.97); border-radius: 16px; border: 1px solid rgba(255,255,255,0.1);
      backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
      box-shadow: 0 20px 50px -18px rgba(0,0,0,0.7); padding: .8rem; }
    .main-nav.is-open { display: block; }
    .main-nav ul { flex-direction: column; align-items: stretch; }
    .main-nav ul.nav-dropdown { position: static; opacity: 1; visibility: visible; transform: none; display: none;
      grid-auto-flow: row; grid-template-rows: none; grid-template-columns: 1fr; gap: 2px;
      box-shadow: none; border: 0; padding: 0 0 0 1rem; background: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
    .main-nav ul.nav-dropdown.is-open { display: grid; }
    .nav-group-label { padding-left: .8rem; }
  }

  /* ---------- hero ---------- */
  .hero {
    position: relative; overflow: hidden; color: #fff;
    padding: 11.5rem 0 0; background: var(--ink);
  }
  .hero::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image:
      linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 75%);
  }
  .aurora { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; pointer-events: none; }
  .aurora-1 { width: 640px; height: 640px; top: -220px; right: -160px;
    background: radial-gradient(circle, rgba(63,193,212,0.55), transparent 65%);
    animation: drift1 22s ease-in-out infinite alternate; }
  .aurora-2 { width: 520px; height: 520px; bottom: -180px; left: -160px;
    background: radial-gradient(circle, rgba(22,96,110,0.7), transparent 65%);
    animation: drift2 27s ease-in-out infinite alternate; }
  .aurora-3 { width: 380px; height: 380px; top: 30%; left: 42%;
    background: radial-gradient(circle, rgba(232,177,74,0.18), transparent 65%);
    animation: drift3 19s ease-in-out infinite alternate; }
  @keyframes drift1 { to { transform: translate(-120px, 90px) scale(1.15); } }
  @keyframes drift2 { to { transform: translate(110px, -70px) scale(1.1); } }
  @keyframes drift3 { to { transform: translate(-80px, -60px) scale(1.25); } }

  .hero-inner { position: relative; z-index: 1; text-align: center; max-width: 900px; margin: 0 auto; }
  .hero .eyebrow { justify-content: center; }
  .hero .eyebrow::after { content: ""; width: 26px; height: 2px; background: currentColor; border-radius: 2px; }
  .hero h1 {
    font-size: clamp(2.7rem, 6.4vw, 4.7rem); line-height: 1.06; margin: 1.4rem 0 1.5rem;
    font-weight: 600; letter-spacing: -0.02em; text-wrap: balance;
  }
  .hero h1 .grad {
    font-style: italic; font-weight: 500;
    background: linear-gradient(100deg, var(--teal-glow), var(--teal-bright) 55%, var(--amber));
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .hero-sub {
    font-size: clamp(1.05rem, 1.6vw, 1.24rem); color: rgba(235,243,250,0.78);
    max-width: 62ch; margin: 0 auto 2.4rem; line-height: 1.65;
  }
  .hero-cta { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; }
  .fade-up { opacity: 0; transform: translateY(24px); animation: fadeUp 1s var(--ease) forwards; }
  .fade-up.d1 { animation-delay: .12s; } .fade-up.d2 { animation-delay: .26s; }
  .fade-up.d3 { animation-delay: .4s; }  .fade-up.d4 { animation-delay: .54s; }
  @keyframes fadeUp { to { opacity: 1; transform: none; } }

  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    padding: 1rem 1.8rem; border-radius: 999px; font-weight: 700; font-size: 1rem;
    text-decoration: none; cursor: pointer; border: 0; font-family: inherit;
    transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s ease, color .18s ease;
  }
  .btn:hover { transform: translateY(-2px); }
  .btn-glow {
    background: linear-gradient(115deg, var(--teal-bright), var(--teal-deep)); color: #fff;
    box-shadow: 0 12px 34px -10px rgba(63,193,212,0.55);
  }
  .btn-glow:hover { box-shadow: 0 18px 44px -10px rgba(63,193,212,0.7); }
  .btn-glow:disabled { opacity: .7; cursor: wait; }
  .btn-glow.is-live, .btn-glow.is-live:hover { background: var(--coral); box-shadow: 0 12px 34px -10px rgba(217,106,91,0.6); }
  .btn-ghost-w { background: rgba(255,255,255,0.07); color: #fff; border: 1px solid rgba(255,255,255,0.22); backdrop-filter: blur(6px); }
  .btn-ghost-w:hover { background: rgba(255,255,255,0.14); }
  .btn-navy { background: var(--navy); color: #fff; box-shadow: 0 12px 30px -12px rgba(21,41,75,0.5); }
  .btn-navy:hover { background: var(--ink-3); }
  .btn-outline-n { background: transparent; color: var(--navy); border: 1.5px solid rgba(21,41,75,0.3); }
  .btn-outline-n:hover { border-color: var(--navy); background: rgba(21,41,75,0.05); }
  .btn-outline-n.is-live { background: var(--coral); color: #fff; border-color: var(--coral); }

  /* gaps marquee */
  .marquee-zone { position: relative; z-index: 1; margin-top: 4.8rem; padding: 1.6rem 0 2.4rem; }
  .marquee-label {
    text-align: center; font-size: .74rem; font-weight: 700; letter-spacing: .2em;
    text-transform: uppercase; color: rgba(235,243,250,0.45); margin-bottom: 1.1rem;
  }
  .marquee { overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
  .marquee-track { display: flex; gap: .8rem; width: max-content; animation: scrollX 32s linear infinite; }
  .marquee:hover .marquee-track { animation-play-state: paused; }
  @keyframes scrollX { to { transform: translateX(-50%); } }
  .gap-chip {
    display: inline-flex; align-items: center; gap: .55rem; white-space: nowrap;
    font-size: .9rem; font-weight: 600; color: rgba(235,243,250,0.85);
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.13);
    border-radius: 999px; padding: .55rem 1.2rem; margin-right: .8rem;
  }
  .gap-chip::before { content: "\2717"; color: var(--coral); font-weight: 800; }

  /* ---------- sections ---------- */
  .band-light { background: var(--cream); color: var(--navy); position: relative; }
  .band-white { background: #fff; color: var(--navy); position: relative; }
  .band-cream2 { background: var(--cream-2); color: var(--navy); position: relative; }
  .first-light { border-radius: 34px 34px 0 0; margin-top: -34px; z-index: 2; }
  section.pad { padding: 5.5rem 0; }
  .sec-head { max-width: 780px; margin-bottom: 3rem; }
  .sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
  .sec-head.center .eyebrow { justify-content: center; }
  .sec-title { font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.12; margin: 1.1rem 0 1rem; text-wrap: balance; }
  .sec-title .serif-i { color: var(--teal-deep); }
  .on-dark .sec-title .serif-i { color: var(--teal-glow); }
  .sec-sub { font-size: 1.06rem; color: var(--slate); margin: 0; line-height: 1.65; }
  .on-dark .sec-sub { color: rgba(235,243,250,0.72); }
  .sec-title .title-note { font-size: 0.42em; font-weight: 500; color: var(--slate-2); white-space: nowrap; }

  /* ---------- proof stats ---------- */
  .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; }
  .stat-card {
    background: #fff; border: 1px solid var(--line-light); border-radius: var(--r-lg);
    padding: 2rem 1.7rem 1.7rem; position: relative; overflow: hidden;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  }
  .stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
  .stat-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--teal-bright), var(--teal-deep)); opacity: 0; transition: opacity .3s; }
  .stat-card:hover::before { opacity: 1; }
  .stat-num {
    font-family: 'Fraunces', serif; font-weight: 600; font-size: clamp(2.6rem, 4vw, 3.4rem);
    line-height: 1; color: var(--teal-deep); margin-bottom: .8rem; letter-spacing: -0.02em;
  }
  .stat-claim { font-size: .94rem; color: var(--slate); line-height: 1.6; }
  .stat-src { margin-top: 1rem; font-size: .74rem; font-weight: 600; letter-spacing: .05em; color: var(--slate-2); text-transform: uppercase; }
  .on-dark .stat-card { background: rgba(255,255,255,0.045); border-color: var(--line-dark); }
  .on-dark .stat-num { color: var(--teal-glow); }
  .on-dark .stat-claim { color: rgba(235,243,250,0.75); }
  .on-dark .stat-src { color: rgba(235,243,250,0.4); }
  .proof-close { margin-top: 2.2rem; font-size: 1.02rem; color: var(--slate); max-width: 70ch; }

  /* ---------- services ---------- */
  .svc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1.3rem; }
  .svc-card {
    position: relative; display: flex; flex-direction: column; gap: .7rem;
    background: #fff; border: 1px solid var(--line-light); border-radius: var(--r-lg);
    padding: 2.1rem 1.9rem 1.8rem; text-decoration: none; color: inherit; overflow: hidden;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  }
  .svc-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); border-color: rgba(45,138,154,0.4); }
  .svc-num { font-size: .76rem; font-weight: 800; letter-spacing: .16em; color: var(--teal-deep); text-transform: uppercase; }
  .svc-card h3 { font-size: 1.42rem; margin: 0; line-height: 1.2; }
  .svc-card p { margin: 0; font-size: .94rem; color: var(--slate); line-height: 1.62; flex: 1; }
  .svc-link { font-weight: 700; font-size: .92rem; color: var(--teal-deep); display: inline-flex; align-items: center; gap: .4rem; margin-top: .5rem; }
  .svc-link .arr { transition: transform .25s var(--ease); }
  .svc-card:hover .svc-link .arr { transform: translateX(5px); }
  .svc-card::after {
    content: ""; position: absolute; bottom: -70px; right: -70px; width: 180px; height: 180px;
    border-radius: 50%; background: radial-gradient(circle, rgba(63,193,212,0.14), transparent 70%);
    opacity: 0; transition: opacity .35s; pointer-events: none;
  }
  .svc-card:hover::after { opacity: 1; }

  /* ---------- method timeline ---------- */
  .band-dark { background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%); color: #fff; position: relative; overflow: hidden; }
  .method-list { list-style: none; margin: 0; padding: 0; position: relative; max-width: 880px; }
  .method-list::before {
    content: ""; position: absolute; left: 31px; top: 16px; bottom: 16px; width: 2px;
    background: linear-gradient(180deg, var(--teal-bright), rgba(63,193,212,0.05));
  }
  .method-item { display: grid; grid-template-columns: 64px 1fr; gap: 1.5rem; padding: 1.4rem 0; position: relative; }
  .method-dot {
    width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    background: var(--ink-3); border: 1px solid rgba(63,193,212,0.4); position: relative; z-index: 1;
    font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.25rem; color: var(--teal-glow);
    box-shadow: 0 0 28px -4px rgba(63,193,212,0.35);
  }
  .method-body h3 { font-size: 1.45rem; margin: .35rem 0 .5rem; color: #fff; }
  .method-body p { margin: 0 0 .7rem; color: rgba(235,243,250,0.74); font-size: .98rem; line-height: 1.62; max-width: 62ch; }
  .actor { display: inline-block; font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
    border-radius: 999px; padding: .3rem .8rem; }
  .actor.human { background: rgba(232,177,74,0.16); color: var(--amber); }
  .actor.ai { background: rgba(63,193,212,0.14); color: var(--teal-glow); }
  .actor.both { background: rgba(255,255,255,0.1); color: #fff; }
  .method-close { margin-top: 2.4rem; color: rgba(235,243,250,0.72); font-size: 1.02rem; max-width: 72ch; }

  /* ---------- Eryn live band ---------- */
  .eryn-band {
    position: relative; overflow: hidden; color: #fff; padding: 5rem 0;
    background: linear-gradient(120deg, var(--teal-deep) 0%, var(--ink-2) 70%);
  }
  .eryn-band::before {
    content: ""; position: absolute; top: -180px; right: -120px; width: 560px; height: 560px; border-radius: 50%;
    background: radial-gradient(circle, rgba(63,193,212,0.35), transparent 65%); filter: blur(60px);
    animation: drift2 24s ease-in-out infinite alternate;
  }
  .eryn-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; }
  .eryn-text { flex: 1 1 540px; }
  .live-pill { display: inline-flex; align-items: center; gap: .5rem; font-size: .76rem; font-weight: 700;
    letter-spacing: .14em; text-transform: uppercase; color: var(--amber); margin-bottom: .9rem; }
  .live-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--coral); animation: pulse 1.8s ease-in-out infinite; }
  @keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(217,106,91,0.6); } 50% { box-shadow: 0 0 0 9px rgba(217,106,91,0); } }
  .eryn-title { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0 0 .7rem; color: #fff; line-height: 1.15; }
  .eryn-sub { margin: 0; color: rgba(235,243,250,0.85); font-size: 1.04rem; line-height: 1.62; max-width: 60ch; }
  .eryn-actions { display: flex; flex-direction: column; gap: .8rem; align-items: stretch; min-width: 250px; }
  .eryn-alt { text-align: center; font-size: .92rem; color: rgba(235,243,250,0.75); }
  .eryn-alt a { color: #fff; }
  .wave { display: flex; align-items: center; gap: 5px; height: 34px; justify-content: center; margin-bottom: .4rem; }
  .wave i { width: 5px; border-radius: 3px; background: linear-gradient(180deg, var(--teal-glow), var(--teal-bright)); animation: wave 1.3s ease-in-out infinite; }
  .wave i:nth-child(1) { height: 12px; } .wave i:nth-child(2) { height: 24px; animation-delay: .15s; }
  .wave i:nth-child(3) { height: 32px; animation-delay: .3s; } .wave i:nth-child(4) { height: 20px; animation-delay: .45s; }
  .wave i:nth-child(5) { height: 28px; animation-delay: .6s; } .wave i:nth-child(6) { height: 14px; animation-delay: .75s; }
  .wave i:nth-child(7) { height: 22px; animation-delay: .9s; }
  @keyframes wave { 0%,100% { transform: scaleY(.45); } 50% { transform: scaleY(1); } }

  /* ---------- differentiators ---------- */
  .diff-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 0 2.5rem; border-top: 1px solid var(--line-light); }
  .diff-item { padding: 2.1rem 0; border-bottom: 1px solid var(--line-light); display: grid; grid-template-columns: 86px 1fr; gap: 1.2rem; align-items: start; }
  .diff-ghost {
    font-family: 'Fraunces', serif; font-size: 3.4rem; font-weight: 500; line-height: .9;
    color: transparent; -webkit-text-stroke: 1.3px rgba(45,138,154,0.45);
  }
  .diff-item h4 { margin: .2rem 0 .5rem; font-size: 1.12rem; font-weight: 700; color: var(--navy); }
  .diff-item p { margin: 0; font-size: .93rem; color: var(--slate); line-height: 1.62; }

  /* ---------- engagement ladder ---------- */
  .ladder { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.5rem; align-items: stretch; }
  .tier {
    background: #fff; border: 1px solid var(--line-light); border-radius: var(--r-lg);
    padding: 2.3rem 2rem; display: flex; flex-direction: column; position: relative;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  }
  .tier:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
  .tier.featured {
    background: linear-gradient(170deg, var(--ink) 0%, var(--ink-3) 100%); color: #fff;
    box-shadow: var(--shadow-lg); border-color: transparent;
  }
  .tier-badge {
    position: absolute; top: -0.9rem; left: 50%; transform: translateX(-50%); white-space: nowrap;
    background: linear-gradient(110deg, var(--amber), #d99a26); color: var(--ink);
    font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
    padding: .38rem 1rem; border-radius: 999px; box-shadow: 0 8px 20px -8px rgba(232,177,74,0.7);
  }
  .tier-step { font-size: .74rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--teal-deep); margin-bottom: .6rem; }
  .tier.featured .tier-step { color: var(--teal-glow); }
  .tier h3 { font-size: 1.55rem; margin: 0 0 .6rem; }
  .tier > p { font-size: .95rem; color: var(--slate); line-height: 1.6; margin: 0 0 1.2rem; }
  .tier.featured > p { color: rgba(235,243,250,0.8); }
  .tier ul { list-style: none; margin: 0 0 1.8rem; padding: 0; }
  .tier ul li { padding: .45rem 0 .45rem 1.7rem; position: relative; font-size: .92rem; color: var(--slate); line-height: 1.5; }
  .tier.featured ul li { color: rgba(235,243,250,0.82); }
  .tier ul li::before { content: "\2713"; position: absolute; left: 0; color: var(--teal); font-weight: 800; }
  .tier.featured ul li::before { color: var(--teal-glow); }
  .tier .btn { margin-top: auto; }

  /* ---------- FAQ accordion ---------- */
  .faq { max-width: 820px; margin: 0 auto; }
  .faq details { border-bottom: 1px solid var(--line-light); }
  .faq summary {
    cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
    padding: 1.35rem .2rem; font-weight: 700; font-size: 1.05rem; color: var(--navy);
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary .plus { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid rgba(45,138,154,0.5);
    display: flex; align-items: center; justify-content: center; color: var(--teal-deep); font-weight: 600; font-size: 1.1rem;
    transition: transform .3s var(--ease), background .2s; }
  .faq details[open] summary .plus { transform: rotate(45deg); background: rgba(45,138,154,0.12); }
  .faq details p { margin: 0 0 1.4rem; padding-right: 3rem; color: var(--slate); font-size: .97rem; line-height: 1.65; }

  /* ---------- founder close ---------- */
  .founder { max-width: 920px; margin: 0 auto; }
  .founder h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0 0 .7rem; line-height: 1.15; }
  .founder p { margin: 0; color: var(--slate); font-size: 1.03rem; line-height: 1.65; max-width: 62ch; }
  .founder-name { margin-top: .9rem !important; font-size: .92rem !important; color: var(--slate-2) !important; }
  .founder-name strong { color: var(--navy); }
  .founder-cta { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: 1.6rem; }
  @media (max-width: 720px) {
    .founder { text-align: center; }
    .founder p { margin-left: auto; margin-right: auto; }
    .founder-cta { justify-content: center; }
    .diff-item { grid-template-columns: 64px 1fr; }
  }

  /* ---------- footer ---------- */
  .site-footer { background: var(--ink); color: rgba(235,243,250,0.65); padding: 3.6rem 0 2.6rem; border-top: 1px solid var(--line-dark); }
  .footer-links { display: flex; flex-wrap: wrap; gap: .4rem 1.6rem; list-style: none; margin: 0 0 1.6rem; padding: 0; }
  .footer-links a { color: rgba(235,243,250,0.75); text-decoration: none; font-size: .9rem; font-weight: 500; }
  .footer-links a:hover { color: var(--teal-glow); }
  .site-footer p { font-size: .9rem; margin: .4rem 0; }
  .site-footer a { color: rgba(235,243,250,0.85); }
  .footer-meta { font-size: .8rem !important; color: rgba(235,243,250,0.4); }

/* =========================================================
   v4 shared additions: inner pages (2026-06-11)
   Components reused across about/audit/services/tools/legal.
   ========================================================= */

/* compact inner-page hero */
.hero--inner { padding: 9.5rem 0 4.6rem; }
.hero--inner h1 { font-size: clamp(2.2rem, 4.6vw, 3.5rem); }
.hero--inner .hero-sub { margin-bottom: 1.8rem; }
.hero--inner .hero-cta { margin-bottom: .5rem; }

/* active nav state */
.main-nav a.active { background: rgba(63,193,212,0.12); color: var(--teal-glow); }

/* numbered step cards */
.step-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; }
.step-card {
  background: #fff; border: 1px solid var(--line-light); border-radius: var(--r-lg);
  padding: 1.8rem 1.6rem; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.step-card .step-num { display: block; font-size: .74rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--teal-deep); }
.step-card h3, .step-card h4 { margin: .55rem 0 .5rem; font-size: 1.16rem; line-height: 1.25; }
.step-card p { margin: 0; font-size: .93rem; color: var(--slate); line-height: 1.62; }
.on-dark .step-card { background: rgba(255,255,255,0.045); border-color: var(--line-dark); }
.on-dark .step-card h3, .on-dark .step-card h4 { color: #fff; }
.on-dark .step-card p { color: rgba(235,243,250,0.75); }
.on-dark .step-card .step-num { color: var(--teal-glow); }

/* two-column split (problem text + panel) */
.split { display: grid; grid-template-columns: 1.08fr 1fr; gap: 2.6rem; align-items: start; }
.split .split-text p { color: var(--slate); font-size: 1rem; line-height: 1.68; margin: 0 0 1.1rem; }
@media (max-width: 920px) { .split { grid-template-columns: 1fr; } }

/* dark math/case panel */
.math-panel {
  background: linear-gradient(170deg, var(--ink) 0%, var(--ink-3) 100%); color: #fff;
  border-radius: var(--r-lg); padding: 2.1rem 1.9rem; box-shadow: var(--shadow-lg);
}
.math-panel .eyebrow { color: var(--teal-glow); }
.math-panel h3 { margin: .9rem 0 .9rem; font-size: 1.32rem; color: #fff; line-height: 1.25; }
.math-panel ul { margin: 0 0 1rem; padding-left: 1.2rem; color: rgba(235,243,250,0.85); }
.math-panel li { margin: .5rem 0; font-size: .95rem; line-height: 1.55; }
.math-panel strong { color: var(--teal-glow); }
.math-panel p { margin: .4rem 0 0; }
.math-panel a { color: var(--teal-glow); font-weight: 700; text-decoration: underline; }

/* light callout */
.callout-v4 {
  background: #fff; border: 1px solid var(--line-light); border-left: 4px solid var(--teal);
  border-radius: 16px; padding: 1.6rem 1.8rem; margin: 2.2rem 0 0;
}
.callout-v4 h3 { margin: 0 0 .6rem; font-size: 1.3rem; }
.callout-v4 p, .callout-v4 li { color: var(--slate); font-size: .96rem; line-height: 1.65; }
.callout-v4 ul { padding-left: 1.3rem; margin: .6rem 0; }

/* long-form prose (legal + service explainers) */
.prose { max-width: 820px; }
.prose h2 { font-size: 1.55rem; margin: 2.3rem 0 .8rem; }
.prose h3 { font-size: 1.2rem; margin: 1.8rem 0 .6rem; }
.prose p, .prose li { color: var(--slate); font-size: .98rem; line-height: 1.7; }
.prose ul, .prose ol { padding-left: 1.35rem; }
.prose li { margin: .35rem 0; }
.prose a { color: var(--teal-deep); font-weight: 600; }

/* legal layout */
.legal-layout { display: grid; grid-template-columns: 240px 1fr; gap: 3rem; align-items: start; }
@media (max-width: 880px) { .legal-layout { grid-template-columns: 1fr; } .legal-toc { position: static; } }
.legal-toc { position: sticky; top: 110px; background: #fff; border: 1px solid var(--line-light); border-radius: 16px; padding: 1.2rem 1.3rem; }
.legal-toc-title { margin: 0 0 .6rem; font-size: .74rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--teal-deep); }
.legal-toc ul { list-style: none; margin: 0; padding: 0; }
.legal-toc li { margin: .35rem 0; }
.legal-toc a { font-size: .88rem; color: var(--slate); text-decoration: none; font-weight: 500; }
.legal-toc a:hover { color: var(--teal-deep); }
.legal-summary {
  background: #fff; border: 1px solid var(--line-light); border-left: 4px solid var(--teal);
  border-radius: 16px; padding: 1.4rem 1.6rem; margin-bottom: 1.4rem;
}
.legal-summary h2 { margin: 0 0 .6rem; font-size: 1.25rem; }
.page-meta { font-size: .88rem; color: rgba(235,243,250,0.6); }

/* v4 calculators */
.calc-wrap { max-width: 920px; margin: 0 auto; }
.calc-card {
  background: #fff; border: 1px solid var(--line-light); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg); padding: 2.3rem 2.2rem; position: relative; z-index: 2;
}
@media (max-width: 640px) { .calc-card { padding: 1.4rem 1.2rem; } }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem 1.6rem; }
@media (max-width: 640px) { .calc-grid { grid-template-columns: 1fr; } }
.calc-field label { display: block; font-weight: 700; color: var(--navy); margin-bottom: .4rem; font-size: .95rem; }
.calc-field .hint { display: block; font-weight: 400; color: var(--slate-2); font-size: .8rem; margin-top: .18rem; }
.calc-input { display: flex; align-items: center; border: 1.5px solid rgba(21,41,75,0.22); border-radius: 13px; overflow: hidden; background: #fff; transition: border-color .18s ease, box-shadow .18s ease; }
.calc-input:focus-within { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(63,193,212,0.18); }
.calc-input .affix { padding: .72rem .85rem; background: var(--cream); color: var(--slate-2); font-weight: 700; }
.calc-input input { border: 0; outline: 0; padding: .72rem .85rem; font-size: 1.05rem; width: 100%; font-family: 'Inter', system-ui, sans-serif; color: var(--navy); background: transparent; }
.calc-result {
  margin-top: 1.9rem; background: linear-gradient(150deg, var(--ink) 0%, var(--teal-deep) 130%);
  color: #fff; border-radius: var(--r-lg); padding: 1.9rem 2rem; text-align: center;
}
.calc-result .big { font-family: 'Fraunces', Georgia, serif; font-size: 3rem; font-weight: 600; line-height: 1.05; color: var(--teal-glow); margin: .3rem 0; letter-spacing: -0.02em; }
@media (max-width: 640px) { .calc-result .big { font-size: 2.2rem; } }
.calc-result .lbl { text-transform: uppercase; letter-spacing: .14em; font-size: .76rem; font-weight: 700; color: rgba(235,243,250,0.7); }
.calc-result .sub { color: rgba(235,243,250,0.8); font-size: .95rem; margin-top: .4rem; }
.calc-range { display: flex; gap: 1rem; margin-top: 1.3rem; }
@media (max-width: 640px) { .calc-range { flex-direction: column; } }
.calc-range .box { flex: 1; border: 1px solid rgba(255,255,255,0.18); border-radius: 16px; padding: 1rem; text-align: center; background: rgba(255,255,255,0.06); }
.calc-range .box .v { font-family: 'Fraunces', Georgia, serif; font-size: 1.5rem; font-weight: 600; color: #fff; }
.calc-range .box .k { font-size: .76rem; color: rgba(235,243,250,0.65); text-transform: uppercase; letter-spacing: .07em; margin-top: .2rem; }
.calc-math { margin-top: 1.6rem; border: 1.5px dashed rgba(21,41,75,0.25); border-radius: 16px; padding: 1.35rem 1.6rem; background: var(--cream); }
.calc-math h3 { margin: 0 0 .75rem; font-size: 1.05rem; }
.calc-math ol { margin: 0; padding-left: 1.25rem; color: var(--slate); }
.calc-math li { margin: .4rem 0; font-size: .95rem; }
.calc-math b { color: var(--teal-deep); }
.calc-math .hint { color: var(--slate-2); font-size: .82rem; }
.calc-cite { font-size: .84rem; color: var(--slate-2); margin: 1rem 0 0; line-height: 1.55; }

/* ---------- our story (about) ---------- */
.story-prose { max-width: none; margin: 0 auto; }
.story-prose p { color: var(--slate); font-size: 1.05rem; line-height: 1.78; margin: 0 0 1.35rem; }
.story-prose a { color: var(--teal-deep); font-weight: 600; text-decoration: none; }
.story-prose a:hover { text-decoration: underline; }
.story-prose .story-pivot { font-family: 'Fraunces', Georgia, serif; font-style: italic; font-size: 1.42rem; color: var(--navy); line-height: 1.5; margin: 2.4rem auto; padding: 1.3rem 1rem; max-width: 780px; text-align: center; border-top: 1px solid rgba(63,193,212,0.45); border-bottom: 1px solid rgba(63,193,212,0.45); }
.story-prose .story-sig { margin-top: 2.4rem; font-size: .95rem; color: var(--slate-2); }
.story-prose .story-sig strong { display: block; color: var(--navy); font-family: 'Fraunces', Georgia, serif; font-size: 1.18rem; margin-bottom: .15rem; }
@media (min-width: 940px) {
  .story-prose { column-count: 2; column-gap: 64px; }
  .story-prose .story-pivot, .story-prose .story-sig { column-span: all; }
}