:root {
	/* Ticker sizing: make ticker cover ~85% width and increase height for readability */
	/* increased height (10% larger) */
	/* reduce ticker height by another 30% */
	--ticker-height: 5.544rem;
	/* vertical gap between banner and ticker */
	--ticker-gap: 1in;
	/* keep a separate base banner height for logo sizing so increasing the
	   ticker doesn't scale the logo. --top-banner-height includes ticker */
	/* increased by 20% as requested (was 210px) */
	--banner-base-height: 252px;
	--top-banner-height: calc(var(--banner-base-height) + var(--ticker-height));
  --bg: #f5f8f6;
  --surface: #ffffff;
  --surface-2: #edf3ef;
  --text: #15231c;
  --muted: #637168;
  --line: #d9e2dc;
  --green: #146c43;
  --green-dark: #0a4d2e;
  --green-soft: #dff2e7;
  --accent: #8fc7a6;
  --danger: #9e3838;
  --shadow: 0 18px 55px rgba(15, 54, 34, .10);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* After making banner content part of normal flow we remove the top padding that
   previously offset fixed header + ticker. The decorative banner background will
   be visually locked with background-attachment: fixed while content scrolls. */
body { margin: 0; padding-top: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 40; background: transparent; border-bottom: 0; backdrop-filter: none; }

/* Top banner (fixed) */
.top-banner {
  /* Keep the banner in the normal flow so its content scrolls. Lock only the
	 background image visually using background-attachment: fixed. */
  position: relative;
  height: var(--banner-base-height);
  z-index: 10;
  /* Decorative background is handled by a fixed pseudo-element so the
	 banner section stays in the normal flow while the decorative image
	 remains visually locked. Keep top-banner itself transparent. */
  background: transparent;
  background-color: var(--surface-2); /* fallback if image missing */
  min-height: 140px;
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
	/* Provide comfortable vertical padding for the inner row. Increase top padding
	 so logo and nav sit slightly lower inside the banner at page load. */
  padding-top: calc(var(--banner-base-height) * 0.10);
  padding-bottom: 18px;
}

/* Fixed decorative background behind the banner area only. This element is
   non-interactive (pointer-events:none) and sits below interactive elements. */
.top-banner::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--banner-base-height);
  z-index: 6; /* below header area which uses z-index:40/60 */
  background-image: linear-gradient(rgba(255,255,255,0.6), rgba(255,255,255,0.6)), url('images/gp_banner.png');
  background-repeat: repeat-x;
  background-position: calc(100% + 60px) center, right center;
  background-size: auto 130%, cover;
  pointer-events: none;
}
.top-banner-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.banner-contact a { color: var(--green-dark); font-weight: 700; margin-right: 6px; }
.banner-contact {
  font-size: 1.11rem; /* increased by ~2 points from 0.95rem */
  color: var(--green-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.banner-sep { color: var(--muted); }
/* legacy .banner-logo (no longer used) kept for reference */
.banner-logo { display: flex; align-items: center; }

/* header logo sizing: smaller, aligned with the header strip */
.header-logo { display: flex; align-items: flex-end; margin-right: 12px; overflow: visible; }
.header-logo .top-logo { height: 96px; object-fit: contain; display: block; max-height: none; }

/* large banner logo fallback (unused when logo moved to header) */
.top-logo { height: calc(var(--banner-base-height) * 0.875); object-fit: contain; display: block; }
/* Let banner inner layout determine vertical position; removed absolute/top offsets so
   logo, nav and contact scroll naturally with the page. */
.top-banner .banner-nav { /* keep nav vertically aligned with the row */ }

/* keep contact font at original size so it stays on the same line as banner buttons */
.banner-contact { font-size: 0.95rem; }

/* Scrolling ticker strip below banner */
.ticker { width: 100%; overflow: hidden; background: #ffffff; color: var(--text); height: var(--ticker-height); border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: center; position: relative; z-index: 8; }
/* viewport: visible area centered and clipped to a larger width (increased per request) */
.ticker-viewport { width: 95vw; max-width: 1400px; height: 100%; overflow: hidden; }
/* inner track container (wide) */
.ticker-inner { display: flex; align-items: center; height: 100%; width: max-content; padding-top: 0.414rem; padding-bottom: 2.079rem; }
.ticker-track { display: flex; gap: 48px; padding: 8px 0; white-space: nowrap; box-sizing: content-box; }
.ticker-track span { display: inline-block; padding: 0 12px; font-weight: 700; color: #000 !important; line-height: 1; font-size: clamp(2rem, 3.4vw, 3.35rem); }

/* Animate the whole inner wrapper (which contains two tracks) for a seamless loop */
.ticker-inner { animation: ticker-scroll 56s linear infinite; animation-play-state: running; }
/* keyframes kept for future use */
@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (max-width: 900px) {
  .ticker-track span { font-size: clamp(1.25rem, 3.2vw, 2rem); padding: 0 8px; }
  .ticker { background: #ffffff; }
  .ticker-inner { width: 92vw; }
}

/* When the header becomes pinned, apply a subtle background and shadow for readability */
.site-header.sticky {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 20px rgba(8, 30, 18, 0.08);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
/* Force header to a fixed layer when JavaScript determines it should be pinned.
   This guarantees 'sticking' behavior across browsers. We still keep position: sticky
   as the base behavior for browsers without JS. */
.site-header.fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
}

/* Banner-specific nav (placed between logo and contact) */
.nav.banner-nav { display: flex; gap: 28px; align-items: center; margin-left: 24px; }
.nav.banner-nav a { color: #405047; font-weight: 650; }
.nav.banner-nav a.nav-demo { padding: 9px 15px; background: var(--green-soft); color: var(--green-dark); border-radius: 999px; }

@media (max-width: 900px) {
  .nav.banner-nav { display: none; }
}

@media (max-width: 640px) {
	/* Mobile: set a practical mobile ticker height (reduced by 50%) and adjust top-banner height and base banner */
	:root { --ticker-height: 32px; --banner-base-height: 70px; }
  .top-banner-inner { gap: 8px; }
  .banner-contact { font-size: 0.85rem; }
  .top-logo { height: calc(var(--top-banner-height) - 12px); }

  /* background-attachment: fixed is problematic on some mobile browsers; use scroll there */
  .top-banner { background-attachment: scroll; }
}
.nav-wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header-marker { font-size: 0.95rem; color: var(--muted); margin-left: 8px; font-weight: 700; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.02em; font-size: 1.1rem; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: var(--green); color: #fff; font-size: .82rem; letter-spacing: .04em; }
.nav { display: flex; gap: 28px; align-items: center; font-weight: 650; font-size: .95rem; }
.nav a { color: #405047; }
.nav a:hover { color: var(--green); }
.nav-demo { padding: 9px 15px; background: var(--green-soft); color: var(--green-dark) !important; border-radius: 999px; }
.nav-demo.active { background: var(--green); color: white !important; }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 1.4rem; }

/* header contact block (moved from banner into the header strip) */
.header-contact { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--green-dark); }
.header-contact a { color: var(--green-dark); text-decoration: none; }

.hero { padding: 36px 0 84px; background: radial-gradient(circle at 85% 10%, #dff2e7 0, rgba(223,242,231,0) 34%), linear-gradient(180deg, #fff 0%, #f5f8f6 100%); }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 65px; align-items: center; }
.eyebrow { margin: 0 0 10px; text-transform: uppercase; letter-spacing: .15em; font-weight: 800; font-size: .77rem; color: var(--green); }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.035em; margin-top: 0; }
h1 { font-size: clamp(2.65rem, 5vw, 5rem); margin-bottom: 22px; max-width: 850px; }
h2 { font-size: clamp(2rem, 3.4vw, 3.35rem); margin-bottom: 22px; }
h3 { font-size: 1.25rem; }
.hero-copy { font-size: 1.18rem; max-width: 700px; color: var(--muted); }
.hero-actions { display: flex; gap: 13px; flex-wrap: wrap; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 11px; padding: 12px 18px; font-weight: 750; cursor: pointer; transition: transform .15s ease, opacity .15s ease; }
.button:hover { transform: translateY(-1px); }
.button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.button.primary { background: var(--green); color: #fff; }
.button.secondary { background: #fff; border-color: var(--line); color: var(--text); }
.button.light { background: #fff; color: var(--green-dark); }
.hero-panel { background: #0f2f21; border-radius: 26px; padding: 30px; box-shadow: var(--shadow); display: grid; gap: 12px; }
.signal-card { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 18px; color: #fff; display: grid; grid-template-columns: 52px 1fr; align-items: center; }
.signal-card span { grid-row: 1 / 3; color: #9ed6b5; font-size: .75rem; font-weight: 800; letter-spacing: .08em; }
.signal-card strong { font-size: 1.08rem; }
.signal-card small { color: #b8cbbf; }
.flow-arrow { text-align: center; color: #9ed6b5; font-size: 1.3rem; transform: rotate(90deg); }
.section { padding: 86px 0; }
.section.alt { background: var(--surface-2); }
.card-grid { display: grid; gap: 18px; margin-top: 35px; }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 8px 28px rgba(18, 65, 40, .04); }
.card p { color: var(--muted); margin-bottom: 0; }
.card-icon { display: inline-grid; place-items: center; min-width: 48px; height: 38px; padding: 0 9px; margin-bottom: 22px; border-radius: 9px; background: var(--green-soft); color: var(--green-dark); font-weight: 850; font-size: .72rem; letter-spacing: .06em; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.split > div:first-child p:last-child { color: var(--muted); font-size: 1.08rem; }
.capability-list { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.capability-list div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 19px 22px; border-bottom: 1px solid var(--line); }
.capability-list div:last-child { border-bottom: 0; }
.capability-list span { color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 32px; }
.steps > div { padding: 26px 24px; border-left: 2px solid var(--green-soft); }
.steps span { font-weight: 850; color: var(--green); font-size: .82rem; }
.steps h3 { margin: 8px 0 10px; }
.steps p { color: var(--muted); margin: 0; }
.demo-cta { background: var(--green-dark); color: #fff; }
.demo-cta .eyebrow { color: #a9dfbf; }
.demo-cta h2 { margin-bottom: 10px; }
.demo-cta p:last-child { color: #c7d9ce; }
.demo-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer { background: #0a2016; color: #d5e1da; padding: 34px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.footer span { color: #91a69a; }
.footer-contact { display: flex; gap: 20px; flex-wrap: wrap; }
.footer a:hover { color: #fff; }

.demo-body { background: #f2f6f3; }
.demo-hero { padding: 52px 0 36px; background: linear-gradient(135deg, #0a4d2e, #103b28); color: #fff; }
.demo-hero .eyebrow { color: #a7dab9; }
.demo-hero h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 8px; }
.demo-hero p { color: #d0e1d7; margin: 0; }
.demo-title-row { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.connection-badge { display: inline-flex; align-items: center; gap: 9px; border-radius: 999px; padding: 9px 14px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.18); white-space: nowrap; }
.connection-badge span { width: 9px; height: 9px; border-radius: 50%; background: #d67a7a; }
.connection-badge.connected span { background: #80d6a2; box-shadow: 0 0 0 4px rgba(128,214,162,.14); }
.demo-section { padding-top: 34px; }
.connection-panel { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 0 22px 22px; margin-bottom: 28px; }
.connection-panel summary { cursor: pointer; padding: 18px 0; font-weight: 800; }
.connection-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.connection-grid label { display: grid; gap: 7px; font-size: .82rem; font-weight: 750; color: #4e5d54; }
.connection-grid input { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 11px 12px; background: #fbfdfb; color: var(--text); }
.connection-grid input:focus { outline: 2px solid #b8dcc7; border-color: var(--green); }
.connection-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 18px; }
.security-note { font-size: .8rem; color: var(--muted); margin-left: 5px; }
.error-message { color: var(--danger); min-height: 1.5em; margin: 12px 0 0; }
.telemetry-header { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-bottom: 14px; color: var(--muted); font-size: .88rem; }
.telemetry-header > div:first-child { display: flex; gap: 10px; align-items: center; }
.vehicle-label { font-size: .7rem; letter-spacing: .12em; font-weight: 850; color: var(--green); }
.telemetry-header strong { color: var(--text); }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric-card { min-height: 145px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: 0 7px 23px rgba(20, 71, 44, .04); }
.metric-card > span { color: var(--muted); font-weight: 700; font-size: .86rem; }
.metric-card div strong { font-size: 2.1rem; letter-spacing: -.04em; }
.metric-card div small { color: var(--muted); margin-left: 5px; font-weight: 700; }
.hero-metric { grid-column: span 2; background: linear-gradient(135deg, #fff, #eef8f2); }
.hero-metric div strong { font-size: 3rem; }
.soc-track { height: 8px; background: #dce7e0; border-radius: 999px; overflow: hidden; }
.soc-track div { width: 0%; height: 100%; background: var(--green); transition: width .25s ease; }
.status-card strong { font-size: 1.45rem !important; }
.raw-panel { margin-top: 22px; background: #10271c; color: #d7e5dc; border-radius: 16px; padding: 21px; }
.raw-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.raw-header h2 { font-size: 1rem; margin: 0; letter-spacing: 0; }
.raw-header span { color: #90ab9b; font-size: .8rem; }
.raw-panel pre { overflow-x: auto; white-space: pre-wrap; word-break: break-word; margin: 15px 0 0; font: 13px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: #9ee0b8; }

@media (max-width: 900px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .card-grid.four, .steps { grid-template-columns: repeat(2, 1fr); }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 67px; left: 14px; right: 14px; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 6px; }
  .nav.open { display: flex; }
  .nav a { padding: 9px 10px; }
  .hero { padding-top: 58px; }
  .card-grid.four, .steps, .metric-grid, .connection-grid { grid-template-columns: 1fr; }
  .hero-metric { grid-column: auto; }
  .demo-title-row, .demo-cta-inner, .footer-inner, .telemetry-header { align-items: flex-start; flex-direction: column; }
  .footer-contact { flex-direction: column; gap: 4px; }
}


/* Green Prefer project portfolio */
.projects-section { background: #fff; }
.section-intro { max-width: 780px; color: var(--muted); font-size: 1.08rem; margin: -4px 0 36px; }

.project-list { display: grid; gap: 20px; margin-top: 30px; }
.project-card {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 28px;
  padding: 34px 36px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(18, 65, 40, .04);
}
.project-number {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 3px;
  color: var(--green);
  font-size: 1.7rem;
  font-weight: 850;
  letter-spacing: -.03em;
}
.project-content h3 { font-size: clamp(1.45rem, 2.2vw, 2rem); margin: 5px 0 12px; }
.project-content > p:not(.project-kicker) { color: var(--muted); max-width: 920px; margin-bottom: 18px; }
.project-kicker {
  margin: 0;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .72rem;
  font-weight: 850;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 20px; }
.project-tags span {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: .78rem;
  font-weight: 750;
}
.project-detail {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--muted);
}
.project-detail strong { color: var(--text); }
.project-detail ul { margin: 8px 0 0 20px; padding: 0; }
.project-detail li { margin: 4px 0; }

@media (max-width: 900px) {
  .project-card { grid-template-columns: 60px 1fr; padding: 28px; gap: 18px; }
}

@media (max-width: 640px) {
  .project-card { grid-template-columns: 1fr; padding: 24px; gap: 6px; }
  .project-number { justify-content: flex-start; font-size: 1.25rem; }
  .project-detail ul { margin-left: 18px; }
}