/* Northvane Energy — prototype website. Blue scheme, Sora (display) + Source Sans 3 (body). */
:root {
  --navy: #0A2540;
  --blue: #1F6FEB;
  --blue-deep: #1455C0;
  --sky: #4DA3FF;
  --mist: #EAF2FD;
  --surface: #F5F8FC;
  --ink: #0F1B2D;
  --slate: #4B5B72;
  --line: #D6E0EE;
  --white: #FFFFFF;
  --radius: 14px;
  --display: "Sora", "Segoe UI", system-ui, sans-serif;
  --body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--body); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--white); }
img { max-width: 100%; display: block; }
a { color: var(--blue); }
a:hover { color: var(--blue-deep); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0; text-wrap: balance; letter-spacing: -0.02em; }
p { margin: 0; text-wrap: pretty; }

.wrap { width: 100%; max-width: 1160px; margin-inline: auto; padding-inline: 24px; }
.eyebrow { font-family: var(--display); font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue); }

/* ── Header ─────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.brand img { width: 40px; height: 40px; }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: -0.02em; line-height: 1; }
.brand-name small { display: block; font-family: var(--body); font-weight: 600; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--slate); margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 16px; padding-block: 8px; }
.nav a[aria-current="page"] { color: var(--blue); box-shadow: inset 0 -2px 0 var(--blue); }
.nav a:hover { color: var(--blue); }

.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--display); font-weight: 600; font-size: 15px; text-decoration: none; border-radius: 999px; padding: 12px 22px; border: 2px solid transparent; transition: background-color 0.15s, color 0.15s; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-deep); color: var(--white); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.5); color: var(--white); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: var(--white); }
.btn-outline { border-color: var(--blue); color: var(--blue); }
.btn-outline:hover { background: var(--mist); }

/* ── Hero ───────────────────────────────────────────────── */
.hero { background: var(--navy); color: var(--white); position: relative; overflow: hidden; }
.hero::after { /* contour lines: a nod to grid and terrain maps */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.18;
  background: repeating-radial-gradient(circle at 85% 20%, transparent 0 38px, var(--sky) 38px 39px);
}
.hero .wrap { position: relative; z-index: 1; padding-block: 88px 96px; display: grid; gap: 24px; max-width: 1160px; }
.hero .eyebrow { color: var(--sky); }
.hero h1 { font-size: clamp(36px, 5.2vw, 60px); max-width: 16ch; }
.hero p.lead { font-size: 20px; color: #C9D8EE; max-width: 58ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.hero.compact .wrap { padding-block: 64px 72px; }

/* ── Sections ───────────────────────────────────────────── */
section { padding-block: 80px; }
section.tint { background: var(--surface); }
.section-head { display: grid; gap: 12px; max-width: 720px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); color: var(--navy); }
.section-head p { color: var(--slate); font-size: 18px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: grid; gap: 12px; align-content: start; }
.card h3 { font-size: 20px; color: var(--navy); }
.card p { color: var(--slate); font-size: 16px; }
.icon { width: 44px; height: 44px; border-radius: 12px; background: var(--mist); color: var(--blue); display: grid; place-items: center; }
.icon svg { width: 22px; height: 22px; }

.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; align-items: center; }
.panel { background: var(--navy); color: var(--white); border-radius: 20px; padding: 36px; display: grid; gap: 20px; }
.panel dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 0; }
.panel dt { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sky); font-weight: 600; }
.panel dd { margin: 4px 0 0; font-family: var(--display); font-size: 20px; font-weight: 600; }

.cta-band { background: linear-gradient(0deg, var(--blue-deep), var(--blue)); color: var(--white); border-radius: 20px; padding: 44px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); }
.cta-band p { color: #DCE9FF; margin-top: 8px; }

/* ── Careers ────────────────────────────────────────────── */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
.steps li { counter-increment: step; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: grid; gap: 6px; }
.steps li::before { content: "Step " counter(step); font-family: var(--display); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); }
.steps strong { font-family: var(--display); color: var(--navy); font-size: 18px; }
.steps span { color: var(--slate); font-size: 15px; }

.job-board { min-height: 320px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); padding: 8px; box-shadow: 0 10px 30px rgba(10, 37, 64, 0.08); }
.job-board-status { padding: 48px 24px; text-align: center; color: var(--slate); font-size: 17px; }
.frame-note { margin-top: 14px; font-size: 15px; color: var(--slate); }

/* ── Footer ─────────────────────────────────────────────── */
.site-footer { background: var(--navy); color: #B8C7DD; padding-block: 48px 32px; font-size: 15px; }
.site-footer .wrap { display: grid; gap: 28px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: center; }
.site-footer .brand { color: var(--white); }
.site-footer .brand-name small { color: #8FA5C4; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 24px; }
.site-footer a { color: #DCE6F5; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 14px; }

/* ── Small screens ──────────────────────────────────────── */
@media (max-width: 900px) {
  .grid-3, .grid-4, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav { gap: 16px; }
  .nav a.hide-sm { display: none; }
  .grid-3, .grid-4, .steps, .panel dl { grid-template-columns: minmax(0, 1fr); }
  section { padding-block: 56px; }
  .hero .wrap { padding-block: 56px 64px; }
  .cta-band, .panel { padding: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}
.job-board-error { margin: 0 24px 24px; padding: 12px 14px; border-radius: 10px; background: var(--surface); color: var(--slate); font-size: 14px; font-family: ui-monospace, Consolas, monospace; overflow-wrap: anywhere; }