/* Northbound Advisory. Multi-page. Edit :root to restyle. */
@view-transition { navigation: auto; }

:root {
  --paper: #F4F6F7;
  --white: #FFFFFF;
  --navy: #0F2233;
  --navy-2: #1B3449;
  --mint: #33C3A0;
  --sky: #7FB7E6;
  --glacier: #DDE7EE;
  --ink: #0F2233;
  --muted: #5A6B78;

  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Geist", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --gutter: clamp(1rem, 4vw, 3rem);
}

[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 1.0625rem/1.6 var(--sans); color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 500; line-height: 1.05; letter-spacing: -0.02em; }
h1, h2 { font-family: var(--serif); }
h2 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); }
h3 { font-size: 1.3rem; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 1rem; }
.wrap { width: min(1240px, 100% - var(--gutter) * 2); margin-inline: auto; }
.hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
::view-transition-old(root) { animation: .3s var(--ease) both fadeout; }
::view-transition-new(root) { animation: .45s var(--ease) both fadein; }
@keyframes fadeout { to { opacity: 0; } }
@keyframes fadein { from { opacity: 0; transform: translateY(.75rem); } }
.num { font-variant-numeric: tabular-nums; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(244,246,247,.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(15,34,51,.08); view-transition-name: header; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 4.25rem; gap: 1rem; }
.logo { display: flex; align-items: center; gap: .6rem; font-weight: 600; text-decoration: none; letter-spacing: -0.01em; }
.logo svg { width: 1.6rem; height: 1.6rem; }
.site-nav { display: flex; align-items: center; gap: 2rem; font-size: .95rem; }
.site-nav a { text-decoration: none; color: var(--muted); transition: color .3s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--mint); }

.btn { display: inline-flex; align-items: center; gap: .6rem; padding: .9rem 1.3rem; border-radius: .6rem; border: 0; background: var(--navy); color: #fff; font: 500 .98rem/1 var(--sans); text-decoration: none; cursor: pointer; transition: background-color .3s, transform .3s var(--ease); }
.btn:hover { background: var(--navy-2); transform: translateY(-1px); }
.btn svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 2; }
.btn--mint { background: var(--mint); color: var(--navy); }
.btn--mint:hover { background: #4fd4b2; }
.btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px rgba(15,34,51,.2); }
.btn--ghost:hover { background: var(--white); }
.site-nav a.btn, .site-nav a.btn[aria-current="page"] { color: #fff; padding: .7rem 1rem; box-shadow: none; }

/* ---------- Home hero ---------- */
.hero { padding: clamp(4rem, 8vw, 6.5rem) 0 clamp(3rem, 6vw, 5rem); }
.hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.hero__eyebrow { display: inline-flex; align-items: center; gap: .6rem; padding: .35rem .8rem .35rem .4rem; border-radius: 99px; background: var(--white); font-size: .88rem; color: var(--muted); box-shadow: 0 1px 0 rgba(15,34,51,.06); margin-bottom: 1.75rem; }
.hero__eyebrow b { padding: .15rem .55rem; border-radius: 99px; background: var(--mint); color: var(--navy); font-weight: 600; font-size: .78rem; }
.hero h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); line-height: 1; letter-spacing: -0.03em; }
.hero h1 em { font-style: italic; color: var(--navy-2); }
.hero__lede { font-size: 1.2rem; color: var(--muted); max-width: 44ch; margin: 1.75rem 0 2.25rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; }

.chart-card { position: relative; padding: 1.5rem; border-radius: 1.25rem; background: var(--navy); color: #fff; box-shadow: 0 40px 80px -40px rgba(15,34,51,.55); }
.chart-card header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.chart-card header p { margin: 0; color: rgba(255,255,255,.6); font-size: .9rem; }
.chart-card header strong { display: block; font: 500 2.4rem/1 var(--serif); color: #fff; letter-spacing: -0.02em; margin-top: .25rem; }
.delta { padding: .3rem .6rem; border-radius: .4rem; background: rgba(51,195,160,.18); color: var(--mint); font: 500 .85rem var(--mono); white-space: nowrap; }
.growth { width: 100%; height: auto; overflow: visible; }
.growth .gridline { stroke: rgba(255,255,255,.08); }
.growth .axis { fill: rgba(255,255,255,.45); font: 11px var(--mono); }
.growth .before { fill: none; stroke: rgba(127,183,230,.55); stroke-width: 2; stroke-dasharray: 5 6; }
.growth .after { fill: none; stroke: var(--mint); stroke-width: 3; stroke-linecap: round; }
.growth .area { fill: url(#mintfade); }
.growth .marker circle { fill: var(--mint); }
.growth .marker text { fill: #fff; font: 600 12px var(--sans); }
.chart-card figure { margin: 0; position: absolute; right: -1.5rem; bottom: -2.5rem; width: 38%; border-radius: 1rem; overflow: hidden; border: 4px solid var(--paper); box-shadow: 0 20px 40px -20px rgba(15,34,51,.5); }
.chart-card figure img { aspect-ratio: 4 / 5; object-fit: cover; object-position: 30% 50%; width: 100%; }
.legend { display: flex; gap: 1.25rem; font-size: .82rem; color: rgba(255,255,255,.7); margin-top: .5rem; }
.legend i { display: inline-block; width: 1.2rem; height: 3px; margin-right: .4rem; vertical-align: middle; background: var(--mint); }
.legend i.b { background: repeating-linear-gradient(90deg, rgba(127,183,230,.7) 0 5px, transparent 5px 9px); }

.logos { padding: 3rem 0; border-top: 1px solid rgba(15,34,51,.08); border-bottom: 1px solid rgba(15,34,51,.08); }
.logos .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1.5rem 3rem; color: var(--muted); font: 600 1.15rem var(--sans); letter-spacing: -0.02em; }
.logos small { font: 400 .9rem var(--sans); letter-spacing: 0; }

/* ---------- Calculator ---------- */
.calc { padding: clamp(5rem, 10vw, 8rem) 0; }
.calc__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2.5rem, 5vw, 5rem); align-items: start; }
.calc__intro p { color: var(--muted); max-width: 42ch; margin: 1.25rem 0 2rem; }
.sliders { display: grid; gap: 1.5rem; }
.slider label { display: flex; justify-content: space-between; font-size: .95rem; margin-bottom: .5rem; }
.slider output { font: 500 .95rem var(--mono); color: var(--navy); }
.slider input { width: 100%; -webkit-appearance: none; appearance: none; height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--mint) var(--p, 50%), var(--glacier) var(--p, 50%)); outline: none; }
.slider input::-webkit-slider-thumb { -webkit-appearance: none; width: 1.35rem; height: 1.35rem; border-radius: 50%; background: var(--white); border: 3px solid var(--navy); cursor: grab; transition: transform .2s; }
.slider input::-moz-range-thumb { width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--white); border: 3px solid var(--navy); cursor: grab; }
.slider input:active::-webkit-slider-thumb { transform: scale(1.2); cursor: grabbing; }
.slider input:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px rgba(51,195,160,.35); }

.result { padding: clamp(1.5rem, 3vw, 2.5rem); border-radius: 1.25rem; background: var(--white); box-shadow: 0 30px 60px -45px rgba(15,34,51,.4); }
.result__big { display: flex; align-items: baseline; gap: .75rem; flex-wrap: wrap; margin-bottom: .25rem; }
.result__big b { font: 500 clamp(3rem, 6vw, 4.6rem)/1 var(--serif); letter-spacing: -0.03em; }
.result__big span { color: var(--muted); }
.result__big span b { font: 600 1rem var(--mono); color: var(--navy); letter-spacing: 0; }
.result > p { color: var(--muted); font-size: .95rem; }
.bars { display: grid; gap: 1.1rem; margin: 2rem 0; }
.bar__row { display: grid; grid-template-columns: 8.5rem 1fr 6rem; gap: 1rem; align-items: center; font-size: .92rem; }
.bar__track { height: .8rem; border-radius: .4rem; background: var(--paper); overflow: hidden; }
.bar__fill { height: 100%; border-radius: inherit; background: var(--mint); transform-origin: left; transition: transform .8s var(--ease); }
.bar__fill.is-sky { background: var(--sky); }
.bar__fill.is-navy { background: var(--navy); }
.bar__row output { font: 500 .9rem var(--mono); text-align: right; }
.result small { display: block; color: var(--muted); font-size: .8rem; margin-top: 1rem; }

/* ---------- Services / process ---------- */
.band { padding: clamp(5rem, 10vw, 8rem) 0; background: var(--navy); color: #fff; }
.band .muted { color: rgba(255,255,255,.65); }
.process { list-style: none; padding: 0; margin: 3.5rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.12); border-radius: 1rem; overflow: hidden; }
.process li { background: var(--navy); padding: 2rem 1.5rem; }
.process b { display: block; font: 500 .85rem var(--mono); color: var(--mint); margin-bottom: 2.5rem; }
.process p { color: rgba(255,255,255,.65); margin: .6rem 0 0; font-size: .95rem; }

.page-head { padding: clamp(4rem, 8vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem); display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem 4rem; align-items: end; }
.page-head h1 { font-size: clamp(2.8rem, 6.5vw, 5.4rem); letter-spacing: -0.03em; }
.page-head p { color: var(--muted); font-size: 1.15rem; margin: 0; }

.offers { display: grid; gap: 1rem; padding-bottom: clamp(5rem, 10vw, 8rem); }
.offer { display: grid; grid-template-columns: 5rem 1.2fr 1fr auto; gap: 2rem; align-items: start; padding: 2rem; border-radius: 1rem; background: var(--white); transition: box-shadow .4s var(--ease), transform .4s var(--ease); }
.offer:hover { box-shadow: 0 30px 60px -40px rgba(15,34,51,.45); transform: translateY(-2px); }
.offer__icon { width: 3.5rem; height: 3.5rem; border-radius: .9rem; display: grid; place-items: center; background: var(--glacier); }
.offer__icon svg { width: 1.6rem; height: 1.6rem; fill: none; stroke: var(--navy); stroke-width: 1.6; }
.offer p { color: var(--muted); margin: .5rem 0 0; }
.offer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; font-size: .95rem; }
.offer li::before { content: "✓"; color: var(--mint); font-weight: 700; margin-right: .5rem; }
.offer__meta { text-align: right; white-space: nowrap; }
.offer__meta b { display: block; font: 500 1.6rem var(--serif); }
.offer__meta span { color: var(--muted); font-size: .9rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; padding-bottom: clamp(5rem, 10vw, 8rem); }
.split img { border-radius: 1rem; aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.split p { color: var(--muted); }

/* ---------- Cases ---------- */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filters button { padding: .6rem 1rem; border-radius: 99px; border: 1px solid rgba(15,34,51,.15); background: var(--white); font: 500 .92rem var(--sans); cursor: pointer; transition: all .3s; }
.filters button[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; padding-bottom: clamp(5rem, 10vw, 8rem); }
.case { padding: 2rem; border-radius: 1.25rem; background: var(--white); display: grid; gap: 1.25rem; align-content: start; }
.case[hidden] { display: none; }
.case__tag { justify-self: start; padding: .3rem .7rem; border-radius: 99px; background: var(--glacier); font-size: .82rem; font-weight: 500; }
.case p { color: var(--muted); margin: 0; }
.case__toggle { display: inline-grid; grid-template-columns: 1fr 1fr; padding: .25rem; border-radius: .6rem; background: var(--paper); justify-self: start; }
.case__toggle button { border: 0; background: none; padding: .45rem .9rem; border-radius: .45rem; font: 500 .85rem var(--sans); color: var(--muted); cursor: pointer; }
.case__toggle button[aria-pressed="true"] { background: var(--white); color: var(--ink); box-shadow: 0 1px 3px rgba(15,34,51,.12); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding-top: 1.25rem; border-top: 1px solid rgba(15,34,51,.08); }
.metrics b { display: block; font: 500 2rem/1 var(--serif); letter-spacing: -0.02em; transition: color .4s; }
.case.is-after .metrics b { color: #1E9C7D; }
.metrics span { font-size: .82rem; color: var(--muted); }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 5vw, 5rem); padding-bottom: clamp(5rem, 10vw, 8rem); align-items: start; }
.contact__info img { border-radius: 1rem; aspect-ratio: 16 / 11; object-fit: cover; width: 100%; margin-bottom: 2rem; }
.contact__info dl { margin: 0; }
.contact__info dl div { display: grid; grid-template-columns: 8rem 1fr; padding: .9rem 0; border-top: 1px solid rgba(15,34,51,.1); }
.contact__info dt { color: var(--muted); }
.contact__info dd { margin: 0; }
.form { display: grid; gap: 1.1rem; padding: clamp(1.5rem, 3vw, 2.5rem); border-radius: 1.25rem; background: var(--white); }
.field { display: grid; gap: .4rem; border: 0; padding: 0; margin: 0; }
.field > span, .field legend { font-size: .9rem; font-weight: 500; padding: 0; }
.field input, .field select, .field textarea { width: 100%; font: 400 1rem var(--sans); padding: .8rem .95rem; border-radius: .6rem; border: 1px solid rgba(15,34,51,.18); background: var(--paper); transition: border-color .3s, box-shadow .3s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 4px rgba(51,195,160,.25); background: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chips input { position: absolute; opacity: 0; }
.chips span { display: block; padding: .5rem .85rem; border-radius: 99px; border: 1px solid rgba(15,34,51,.18); cursor: pointer; font-size: .92rem; transition: all .25s; }
.chips input:checked + span { background: var(--navy); color: #fff; border-color: var(--navy); }
.chips input:focus-visible + span { outline: 2px solid var(--mint); outline-offset: 2px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form__status { margin: 0; min-height: 1.4rem; font-weight: 500; color: #1E9C7D; }

/* ---------- CTA + footer ---------- */
.cta { padding: clamp(4rem, 8vw, 6rem) 0; }
.cta__box { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 2rem; padding: clamp(2rem, 5vw, 3.5rem); border-radius: 1.5rem; background: var(--mint); }
.cta__box h2 { max-width: 18ch; }
.site-footer { padding: 3rem 0; border-top: 1px solid rgba(15,34,51,.08); font-size: .9rem; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }

.js [data-reveal] { opacity: 0; transform: translateY(1.25rem); }
.js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity .8s var(--ease), transform .8s var(--ease); }

@media (max-width: 960px) {
  .site-nav a:not(.btn) { display: none; }
  .hero__grid, .calc__grid, .page-head, .split, .contact { grid-template-columns: 1fr; }
  .chart-card figure { display: none; }
  .process { grid-template-columns: 1fr 1fr; }
  .offer { grid-template-columns: 1fr; gap: 1rem; }
  .offer__meta { text-align: left; }
  .cases { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .process { grid-template-columns: 1fr; }
  .bar__row { grid-template-columns: 1fr auto; }
  .bar__track { grid-column: 1 / -1; grid-row: 2; }
  .form__row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }