:root{
  --black:#000000;
  --ink:#1D1D1F;
  --gray-1:#6E6E73;
  --gray-2:#86868B;
  --hairline:#D2D2D7;
  --surface-alt:#F5F5F7;
  --white:#FFFFFF;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Inter",Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.47;
}
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

/* ---------- NAV ---------- */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(0,0,0,0.8);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
}
nav{
  max-width:1024px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 22px; height:44px;
}
.logo{ display:flex; align-items:center; gap:8px; }
.logo img{ height:16px; width:auto; }
.logo span{ color:#fff; font-size:0.95rem; font-weight:600; letter-spacing:-0.01em; }
.navlinks{ display:flex; align-items:center; gap:26px; }
.navlinks a{ color:#f5f5f7; font-size:0.75rem; font-weight:400; opacity:0.82; transition:opacity .2s; }
.navlinks a:hover, .navlinks a.current{ opacity:1; }
.nav-cta{
  background:#fff; color:#000 !important; opacity:1 !important;
  padding:6px 14px; border-radius:980px; font-size:0.72rem; font-weight:500;
}

/* ---------- HERO ---------- */
.hero{ text-align:center; padding:90px 22px 20px; max-width:820px; margin:0 auto; }
.hero .mark{ height:52px; width:auto; margin:0 auto 26px; }
.hero h1{ font-size:clamp(2.4rem, 5.6vw, 4rem); font-weight:600; letter-spacing:-0.02em; line-height:1.08; }
.hero .sub{ font-size:clamp(1.05rem, 2.2vw, 1.3rem); color:var(--gray-1); margin-top:16px; max-width:560px; margin-left:auto; margin-right:auto; }
.hero-ctas{ margin-top:28px; display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.btn{ display:inline-block; font-size:0.95rem; font-weight:400; padding:11px 22px; border-radius:980px; transition:transform .15s ease, background .2s ease; }
.btn.primary{ background:var(--black); color:#fff; }
.btn.primary:hover{ transform:scale(1.02); }
.btn.secondary{ color:var(--ink); border:1px solid var(--hairline); }

/* ---------- APP MOCKUP ---------- */
.mockup-wrap{ padding:50px 22px 100px; max-width:1040px; margin:0 auto; }
.device{ background:#1c1c1e; border-radius:14px; padding:10px; box-shadow:0 40px 80px -20px rgba(0,0,0,0.35), 0 0 0 1px rgba(0,0,0,0.06); }
.device-bar{ display:flex; align-items:center; gap:6px; padding:6px 8px 12px; }
.dot{ width:10px; height:10px; border-radius:50%; background:#48484a; }
.device-screen{ background:#fafafa; border-radius:8px; display:grid; grid-template-columns:1fr 320px; min-height:420px; overflow:hidden; }
.canvas-side{ background:#f2f2f4; position:relative; border-right:1px solid var(--hairline); padding:18px; }
.ribbon{ display:flex; gap:18px; font-size:0.7rem; color:var(--gray-2); border-bottom:1px solid var(--hairline); padding-bottom:10px; margin-bottom:20px; }
.ribbon span.active{ color:var(--ink); font-weight:600; border-bottom:2px solid var(--ink); padding-bottom:9px; }
.plan-svg{ width:100%; height:auto; }
.chat-side{ display:flex; flex-direction:column; background:#fff; }
.chat-head{ padding:14px 16px; border-bottom:1px solid var(--hairline); font-size:0.8rem; font-weight:600; display:flex; align-items:center; gap:8px; }
.chat-head .pulse{ width:7px; height:7px; border-radius:50%; background:#1D1D1F; }
.chat-body{ padding:16px; display:flex; flex-direction:column; gap:12px; flex:1; }
.bubble{ max-width:88%; font-size:0.82rem; padding:10px 13px; border-radius:14px; line-height:1.4; }
.bubble.user{ align-self:flex-end; background:var(--ink); color:#fff; border-bottom-right-radius:4px; }
.bubble.ai{ align-self:flex-start; background:var(--surface-alt); color:var(--ink); border-bottom-left-radius:4px; }
.chat-input{ margin:12px 16px 16px; padding:10px 14px; border:1px solid var(--hairline); border-radius:980px; font-size:0.78rem; color:var(--gray-2); }

/* ---------- PROOF BAND ---------- */
.proof{ padding:36px 22px; text-align:center; border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline); }
.proof .label{ font-size:0.72rem; letter-spacing:0.08em; color:var(--gray-2); font-weight:600; margin-bottom:16px; }
.proof-row{ display:flex; justify-content:center; gap:40px; flex-wrap:wrap; font-size:0.92rem; color:var(--gray-1); font-weight:500; }

/* ---------- SECTION SHELL ---------- */
section{ padding:100px 22px; }
.section-inner{ max-width:980px; margin:0 auto; }
.eyebrow{ text-align:center; font-size:0.8rem; font-weight:600; color:var(--gray-2); letter-spacing:0.02em; margin-bottom:10px; }
h2{ text-align:center; font-size:clamp(2rem, 4.4vw, 3rem); font-weight:600; letter-spacing:-0.015em; line-height:1.08; max-width:760px; margin:0 auto; }
.section-lead{ text-align:center; font-size:1.15rem; color:var(--gray-1); max-width:620px; margin:20px auto 0; }
.alt{ background:var(--surface-alt); }
.dark{ background:var(--black); color:#fff; }
.dark h2{ color:#fff; }
.dark .eyebrow{ color:#98989d; }
.dark .section-lead{ color:#a1a1a6; }

.flag-grid{ margin-top:60px; display:grid; grid-template-columns:repeat(3,1fr); gap:36px; }
.flag-card{ text-align:center; }
.flag-card h3{ font-size:1.05rem; font-weight:600; margin-bottom:8px; }
.flag-card p{ font-size:0.92rem; color:var(--gray-1); }

.toolkit-grid{ margin-top:56px; display:grid; grid-template-columns:repeat(5,1fr); gap:1px; background:var(--hairline); border:1px solid var(--hairline); }
.tool-cell{ background:#fff; padding:26px 22px; }
.tool-cell{ background:#fff; padding:26px 22px; }
.tool-cell .tag{ font-size:0.68rem; letter-spacing:0.08em; color:var(--gray-2); font-weight:600; margin-bottom:10px; }
.tool-cell h4{ font-size:0.98rem; font-weight:600; margin-bottom:8px; }
.tool-cell p{ font-size:0.86rem; color:var(--gray-1); }

.spec-table{ margin-top:56px; border-top:1px solid var(--hairline); }
.spec-row{ display:grid; grid-template-columns:220px 1fr; gap:24px; padding:22px 0; border-bottom:1px solid var(--hairline); }
.spec-row .k{ font-weight:600; font-size:0.95rem; color:var(--ink); }
.spec-row .v{ font-size:0.95rem; color:var(--gray-1); }

.tool-table{ margin-top:56px; }
.trow{ display:grid; grid-template-columns:240px 1fr; gap:24px; padding:24px 0; border-top:1px solid rgba(255,255,255,0.16); }
.trow:last-child{ border-bottom:1px solid rgba(255,255,255,0.16); }
.trow .k{ font-weight:600; font-size:0.98rem; }
.trow .v{ font-size:0.95rem; color:#a1a1a6; }

.final{ text-align:center; }
.final .section-inner{ max-width:560px; }
.signup{ margin-top:34px; display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
.signup input{ font-family:inherit; padding:12px 16px; border-radius:980px; border:1px solid var(--hairline); background:var(--surface-alt); color:var(--ink); min-width:250px; font-size:0.95rem; }
.fine{ font-size:0.78rem; color:var(--gray-2); margin-top:18px; }

/* ---------- PRICING PAGE ---------- */
.pricing-hero{ text-align:center; padding:80px 22px 20px; max-width:760px; margin:0 auto; }
.pricing-hero h1{ font-size:clamp(2.2rem,5vw,3.4rem); font-weight:600; letter-spacing:-0.02em; }
.pricing-hero p{ font-size:1.1rem; color:var(--gray-1); margin-top:14px; }

.tier-grid{ max-width:1040px; margin:56px auto 0; padding:0 22px; display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.tier{ border:1px solid var(--hairline); border-radius:18px; padding:28px 22px; }
.tier.highlight{ border:2px solid var(--ink); position:relative; }
.tier h3{ font-size:1.1rem; font-weight:600; }
.tier .price{ font-size:2rem; font-weight:600; margin-top:10px; }
.tier .price span{ font-size:0.9rem; font-weight:400; color:var(--gray-2); }
.tier .desc{ font-size:0.85rem; color:var(--gray-1); margin-top:8px; min-height:40px; }
.tier .btn{ display:block; text-align:center; margin-top:18px; width:100%; font-size:0.85rem; padding:10px; }

.compare-wrap{ max-width:1040px; margin:80px auto 0; padding:0 22px 100px; overflow-x:auto; }
table.compare{ width:100%; border-collapse:collapse; min-width:680px; }
table.compare th, table.compare td{ text-align:center; padding:16px 12px; border-bottom:1px solid var(--hairline); font-size:0.88rem; }
table.compare th{ font-size:0.75rem; color:var(--gray-2); font-weight:600; text-transform:uppercase; letter-spacing:0.04em; }
table.compare td:first-child, table.compare th:first-child{ text-align:left; font-weight:500; color:var(--ink); }
table.compare tr td:first-child{ color:var(--ink); font-weight:500; }
table.compare .yes{ color:var(--ink); font-weight:600; }
table.compare .no{ color:var(--gray-2); }

footer{ background:var(--surface-alt); padding:40px 22px; border-top:1px solid var(--hairline); }
.foot-inner{ max-width:1024px; margin:0 auto; }
.foot-top{ display:flex; align-items:center; gap:8px; padding-bottom:20px; border-bottom:1px solid var(--hairline); }
.foot-top img{ height:13px; }
.foot-top span{ font-size:0.8rem; color:var(--gray-1); }
.foot-bottom{ padding-top:18px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.foot-bottom, .foot-bottom a{ font-size:0.75rem; color:var(--gray-2); }
.foot-links{ display:flex; gap:18px; }

@media (max-width:760px){
  .navlinks a:not(.nav-cta){ display:none; }
  .spec-row, .trow{ grid-template-columns:1fr; }
  .flag-grid{ grid-template-columns:1fr; }
  .device-screen{ grid-template-columns:1fr; }
  .canvas-side{ display:none; }
  .tier-grid{ grid-template-columns:1fr 1fr; }
  .proof-row{ gap:20px; }
}
@media (max-width:480px){
  .tier-grid{ grid-template-columns:1fr; }
}

.reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- REDESIGN ADDITIONS ---------- */
.brand-principle{margin:18px auto 0;font-size:.92rem;color:var(--gray-1);font-weight:500;}
.toolbar-reference{max-width:1040px;margin:44px auto 0;padding:0 22px;}
.toolbar-reference img{width:100%;border:1px solid var(--hairline);border-radius:12px;background:#fff;box-shadow:0 18px 40px -28px rgba(0,0,0,.35);}
.toolbar-reference p{text-align:center;font-size:.76rem;color:var(--gray-2);margin-top:10px;}
.workflow{margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hairline);border:1px solid var(--hairline);}
.workflow-step{background:#fff;padding:26px 22px;min-height:150px;}
.workflow-step .num{font-size:.68rem;letter-spacing:.08em;color:var(--gray-2);font-weight:700;margin-bottom:12px;}
.workflow-step h3{font-size:1rem;margin-bottom:8px;}
.workflow-step p{font-size:.88rem;color:var(--gray-1);}
.audit-panel{margin:56px auto 0;max-width:820px;background:#fff;border:1px solid var(--hairline);border-radius:14px;overflow:hidden;}
.audit-head{display:flex;justify-content:space-between;gap:18px;padding:18px 20px;background:var(--surface-alt);border-bottom:1px solid var(--hairline);font-size:.9rem;font-weight:600;}
.audit-row{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:18px;padding:14px 20px;border-bottom:1px solid var(--surface-alt);font-size:.84rem;align-items:center;}
.audit-row:last-child{border-bottom:none}.audit-row span:nth-child(2),.audit-row span:nth-child(3){color:var(--gray-2)}
.prompt-grid{margin-top:52px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.prompt-card{border:1px solid var(--hairline);border-radius:14px;padding:22px;background:#fff;}
.prompt-card .q{font-size:.96rem;font-weight:600;margin-bottom:12px;}.prompt-card .a{font-size:.86rem;color:var(--gray-1);line-height:1.55;}
.three-stage{margin-top:52px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.stage{border:1px solid var(--hairline);border-radius:14px;padding:24px;background:#fff;}.stage .tag{font-size:.67rem;letter-spacing:.09em;color:var(--gray-2);font-weight:700;margin-bottom:12px}.stage h3{font-size:1rem;margin-bottom:8px}.stage p{font-size:.88rem;color:var(--gray-1)}
.secondary-tools{opacity:.88}.status-note{font-size:.78rem;color:var(--gray-2);margin-top:12px;}
.about-principles{margin-top:52px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.about-principles h3{font-size:1rem;margin-bottom:8px}.about-principles p{font-size:.9rem;color:var(--gray-1)}
.hero .sub.wide{max-width:650px}.tool-icon{width:36px;height:36px;object-fit:contain;margin-bottom:14px;filter:grayscale(1)}
.notice{max-width:720px;margin:32px auto 0;padding:14px 18px;border:1px solid var(--hairline);border-radius:12px;color:var(--gray-1);font-size:.86rem;text-align:center;background:var(--surface-alt)}
@media (max-width:760px){.workflow,.prompt-grid,.three-stage,.about-principles{grid-template-columns:1fr}.audit-row{grid-template-columns:1fr}.audit-row span:nth-child(2),.audit-row span:nth-child(3){font-size:.78rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1!important;transform:none!important;transition:none!important}}