:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #e9ecf0;
  --ink: #111a2b;
  --ink-2: #48505c;
  --ink-3: #6b7380;
  --line: #d5d9df;
  --accent: #1b3358;
  --accent-ink: #ffffff;
  --accent-soft: #e3e8f0;
  --todo: #fff4d6;
  --todo-ink: #7a5a00;
  --dark: #14243f;
  --dark-ink: #eef1f5;
  --band-accent: #a9bfdc;
  --band-muted: #b5bfcc;
  --radius: 10px;
  --max: 1120px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141c; --surface: #161c26; --surface-2: #1d2430;
    --ink: #e8ebef; --ink-2: #b1b8c2; --ink-3: #858d99; --line: #2a313c;
    --accent: #9db8e0; --accent-ink: #0d1729; --accent-soft: #1a2538;
    --todo: #3a3016; --todo-ink: #f0d58a; --dark: #0b1630; --dark-ink: #e8ebef;
  }
}
:root[data-theme="dark"] {
  --bg: #0f141c; --surface: #161c26; --surface-2: #1d2430;
  --ink: #e8ebef; --ink-2: #b1b8c2; --ink-3: #858d99; --line: #2a313c;
  --accent: #9db8e0; --accent-ink: #0d1729; --accent-soft: #1a2538;
  --todo: #3a3016; --todo-ink: #f0d58a; --dark: #0b1630; --dark-ink: #e8ebef;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 700px) { .wrap { padding: 0 32px; } }
section { padding: 88px 0; }
.eyebrow { font: 600 .78rem/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.lede { font-size: 1.15rem; color: var(--ink-2); max-width: 46rem; }
.muted { color: var(--ink-3); }
.todo { background: var(--todo); color: var(--todo-ink); padding: 1px 6px; border-radius: 4px; font-size: .92em; }

/* Buttons */
.btn { display: inline-block; white-space: nowrap; padding: 13px 22px; border-radius: 8px; font: 600 .95rem/1 var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--surface-2); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Nav */
header.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand-mark { width: 26px; height: 26px; border-radius: 6px; background: var(--accent); display: grid; place-items: center; color: var(--accent-ink); font-size: .8rem; font-family: var(--sans); font-weight: 700; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: .93rem; font-weight: 500; }
.nav-links a:hover { color: var(--ink); }
.nav-links .btn { color: var(--accent-ink); padding: 10px 16px; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; color: var(--ink); font: 500 .9rem var(--sans); }
@media (max-width: 640px) {
  .menu-btn { display: block; }
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 12px; text-align: center; border: 0; }
}

/* Hero */
.hero { padding: 96px 0 80px; }
.hero h1 { max-width: 14ch; }
.hero .lede { margin-bottom: 32px; }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.3fr 1fr; } }
.hero-card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 24px; box-shadow: 0 20px 40px -24px rgba(0,0,0,.25); }
.hero-card .row { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .92rem; align-items: center; }
.hero-card .row:last-child { border-bottom: 0; }
.hero-card .head { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); font-weight: 600; }
.pill { font-size: .75rem; font-weight: 600; padding: 3px 9px; border-radius: 999px; }
.pill.high { background: #f9e0dc; color: #8a2a1c; }
.pill.med { background: #fbeccd; color: #7a5400; }
.pill.low { background: #dcefe4; color: #1f5f3a; }
:root[data-theme="dark"] .pill.high { background:#45231e; color:#f2b3a8; }
:root[data-theme="dark"] .pill.med { background:#3d321a; color:#f0d58a; }
:root[data-theme="dark"] .pill.low { background:#1b3427; color:#9fd8b6; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pill.high { background:#45231e; color:#f2b3a8; }
  :root:not([data-theme="light"]) .pill.med { background:#3d321a; color:#f0d58a; }
  :root:not([data-theme="light"]) .pill.low { background:#1b3427; color:#9fd8b6; }
}
.hero-card small { display: block; color: var(--ink-3); font-size: .8rem; }

/* Reasons */
.reasons { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.grid-3 { display: grid; gap: 24px; margin-top: 40px; }
@media (min-width: 860px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.reason { padding-top: 20px; border-top: 2px solid var(--accent); }
.reason .num { font-family: var(--serif); font-size: 2rem; color: var(--accent); line-height: 1; margin-bottom: 12px; }
.reason p { color: var(--ink-2); }
.callout { margin-top: 48px; padding: 22px 26px; background: var(--accent-soft); border-radius: var(--radius); font-family: var(--serif); font-size: 1.2rem; line-height: 1.45; }

/* Services */
.service { display: grid; gap: 40px; padding: 56px 0; border-top: 1px solid var(--line); }
.service:first-of-type { border-top: 0; }
@media (min-width: 900px) { .service { grid-template-columns: 1fr 1.4fr; gap: 64px; } }
.service .tag { font-family: var(--serif); font-size: 1.25rem; color: var(--ink-2); margin-bottom: 20px; }
.service .for { font-size: .95rem; color: var(--ink-2); }
.service .for strong { color: var(--ink); display: block; margin-bottom: 4px; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 28px; }
.panel h4 { font: 600 .8rem/1 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 16px; }
.panel h4:not(:first-child) { margin-top: 28px; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 9px 0 9px 26px; position: relative; color: var(--ink-2); border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.list li::before { content: ""; position: absolute; left: 2px; top: 17px; width: 10px; height: 6px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.list li b { color: var(--ink); font-weight: 600; }
.outcome { margin-top: 24px; padding: 18px 20px; background: var(--surface-2); border-radius: 8px; }
.outcome b { display: block; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.outcome p { margin: 0; }
.price { font-size: .9rem; color: var(--ink-3); margin: 20px 0; }

/* Plans */
.plans { display: grid; gap: 16px; margin-top: 8px; }
@media (min-width: 760px) { .plans { grid-template-columns: repeat(3, 1fr); } }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan h3 { margin-bottom: 4px; }
.plan .best { font-size: .85rem; color: var(--ink-3); margin-bottom: 14px; }
.plan p { font-size: .92rem; color: var(--ink-2); margin: 0; }
.plan-note { font-size: .85rem; color: var(--ink-3); margin-top: 14px; }

/* Steps */
.steps-sec { background: var(--dark); color: var(--dark-ink); }
.steps-sec .eyebrow { color: var(--band-accent); }
.steps-sec .lede { color: var(--band-muted); }
.steps { display: grid; gap: 2px; margin-top: 44px; counter-reset: step; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { padding: 26px 22px; background: rgba(255,255,255,.04); border-top: 2px solid var(--band-accent); }
.step .n { font-family: var(--serif); font-size: 2.4rem; color: var(--band-accent); line-height: 1; margin-bottom: 14px; }
.step h3 { color: #fff; }
.step p { color: var(--band-muted); margin: 0; font-size: .95rem; }
.steps-foot { margin-top: 32px; color: var(--band-muted); }

/* Industries */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 36px 0 24px; }
.tab { background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); padding: 10px 16px; border-radius: 999px; font: 500 .9rem var(--sans); cursor: pointer; }
.tab[aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.ind { display: none; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 36px; }
.ind.active { display: grid; gap: 32px; }
@media (min-width: 860px) { .ind.active { grid-template-columns: 1.5fr 1fr; } }
@media (max-width: 600px) { .ind { padding: 24px; } }
.ind h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.ind p { color: var(--ink-2); font-size: 1.05rem; }
.fit h4 { font: 600 .8rem/1 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; }
.fit a { display: block; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem; }
.fit a:hover { border-color: var(--accent); }
.fit a span { color: var(--accent); float: right; }

/* Standards + FAQ */
.std { display: grid; gap: 40px; }
@media (min-width: 900px) { .std { grid-template-columns: 1fr 1.4fr; gap: 64px; } }
.frameworks { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.fw { padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); font-weight: 600; font-size: .9rem; }
details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 20px 36px 20px 0; position: relative; font-weight: 600; font-size: 1.02rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 1.5rem; font-weight: 400; color: var(--accent); }
details[open] summary::after { content: "–"; }
details p { color: var(--ink-2); padding-bottom: 8px; }

/* CTA + form */
.cta { background: var(--accent); color: var(--accent-ink); padding: 72px 0; }
.cta h2 { max-width: 22ch; }
.cta p { opacity: .85; max-width: 40rem; font-size: 1.1rem; }
.cta .btn { background: var(--accent-ink); color: var(--accent); }
.contact { display: grid; gap: 40px; }
@media (min-width: 900px) { .contact { grid-template-columns: 1fr 1.3fr; gap: 64px; } }
form { display: grid; gap: 16px; }
@media (min-width: 600px) { form { grid-template-columns: 1fr 1fr; } .full { grid-column: 1 / -1; } }
label { display: grid; gap: 6px; font-size: .88rem; font-weight: 500; color: var(--ink-2); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
textarea { min-height: 110px; resize: vertical; }
.form-msg { display: none; padding: 14px 16px; border-radius: 8px; background: var(--accent-soft); }

footer { border-top: 1px solid var(--line); padding: 48px 0; font-size: .9rem; color: var(--ink-3); }
.foot { display: grid; gap: 24px; }
@media (min-width: 760px) { .foot { grid-template-columns: 1fr 2fr; } }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 14px; }
.foot-links a { color: var(--ink-2); text-decoration: none; }

/* Multi-page additions */
.nav-links a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
@media (max-width: 640px) { .nav-links a[aria-current="page"] { box-shadow: none; color: var(--accent); } }
.page-head { padding: 72px 0 24px; }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); max-width: 20ch; }
.page-head + section { padding-top: 32px; }
.cards { display: grid; gap: 20px; margin-top: 40px; }
@media (min-width: 860px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 26px; display: flex; flex-direction: column; text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .eyebrow { margin-bottom: 10px; }
.card p { color: var(--ink-2); flex: 1; }
.card .more { color: var(--accent); font-weight: 600; font-size: .92rem; }
.reasons .reason h3 { margin-bottom: .35em; }
.price-tag { font-family: var(--serif); font-size: 1.6rem; font-weight: 500; color: var(--ink); margin: 20px 0 0; }
.price-tag + .price { margin-top: 2px; }
.btn-light { background: var(--dark-ink); color: var(--dark); }