:root {
  --ink: #000a70;
  --muted: #000a70;
  --accent: #000a70;
  --surface: #ffffff;
  --line: #dbe3f1;
  --soft: #f4f7ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: daytona, "daytona light", helvetica, "san fransisco", arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 500px at 0% 0%, #eef3ff 0, #ffffff 45%);
  line-height: 1.5;
}

body.intro-active {
  overflow: hidden;
}

.scroll-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  background: #f9fbff;
  transition: opacity 260ms ease, visibility 260ms ease;
}

.scroll-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.overlay-track {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  isolation: isolate;
  background:
    radial-gradient(90vw 48vh at 0% -5%, rgba(220, 232, 255, 0.6), rgba(255, 255, 255, 0) 70%),
    linear-gradient(to bottom, #f9fbff, #ffffff);
}

.overlay-track::after {
  content: "";
  display: block;
  height: 25vh;
}

.overlay-track::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 1;
  background: center 52% / min(65vw, 620px) no-repeat url("20-10Consulting_Logo.svg");
  transition: opacity 280ms ease;
}

.overlay-track.scrolled::before {
  opacity: 0.35;
}

.overlay-panel {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem 1.25rem;
  position: relative;
  z-index: 1;
}

.overlay-blank {
  padding: 0;
}

.overlay-start {
  align-content: center;
  gap: 1rem;
  padding-bottom: 0;
}

.overlay-tagline {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(2.4rem, 9vw, 6.2rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.overlay-prompt {
  margin: 0;
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  animation: prompt-pulse 1.8s ease-in-out infinite;
}

.overlay-group {
  position: relative;
  min-height: 100vh;
  padding: 1rem 0 2rem;
  z-index: 1;
}

.overlay-sticky-title {
  position: sticky;
  top: 0.9rem;
  z-index: 3;
  margin: 0 auto;
  width: fit-content;
  padding: 0.28rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  font-size: clamp(1.1rem, 3.2vw, 1.65rem);
  letter-spacing: 0.01em;
  color: var(--accent);
}

.overlay-circles {
  display: grid;
  gap: clamp(2.2rem, 5vw, 3.3rem);
  justify-items: center;
  padding: 3.2rem 1rem 5.5rem;
}

.overlay-circle {
  width: min(86vw, 620px);
  aspect-ratio: 1 / 1;
  border: 1px solid #00085a;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 16px 36px rgba(0, 10, 112, 0.28);
  padding: clamp(1.2rem, 3.4vw, 2.6rem);
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
}

.overlay-circle h2 {
  margin: 0;
  font-size: clamp(1.2rem, 3.2vw, 2rem);
  color: #ffffff;
}

.overlay-circle p {
  margin: 0.9rem auto 0;
  max-width: 38ch;
  color: #ffffff;
  font-size: clamp(0.95rem, 1.45vw, 1.08rem);
}

.overlay-reveal {
  opacity: 0.24;
  transform: translateY(38px) scale(0.985);
  transition: opacity 320ms ease, transform 320ms ease;
}

.overlay-reveal.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.overlay-final {
  width: min(86vw, 840px);
  min-height: 50vh;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
  padding: clamp(1.5rem, 4vw, 2.8rem);
}

.overlay-final h2 {
  margin: 0;
  font-size: clamp(1.35rem, 4vw, 2.35rem);
}

.overlay-final p {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.1rem);
}

.overlay-final a {
  color: var(--accent);
}

body.intro-active .page-shell {
  pointer-events: none;
}

body:not(.intro-active) .page-shell {
  pointer-events: auto;
}

.page-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 52px;
  display: block;
}

.brand-name {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 100;
  letter-spacing: 0.01em;
  font-size: 3.375rem;
}

.site-nav {
  display: inline-flex;
  gap: 1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--accent);
}

.hero {
  padding: 4.5rem 0 3.5rem;
  max-width: 750px;
  animation: rise 550ms ease-out both;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0.6rem 0 0;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero-copy {
  margin: 1.1rem 0 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 1.04rem;
}

.button {
  display: inline-block;
  margin-top: 1.4rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  font-weight: 600;
}

.section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  animation: fade 600ms ease both;
}

h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3.8vw, 2rem);
  letter-spacing: -0.01em;
}

.section p {
  max-width: 66ch;
  margin-top: 0.9rem;
  color: var(--muted);
}

.grid {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.grid h3 {
  margin: 0;
  font-size: 1rem;
}

.grid p {
  margin: 0.6rem 0 0;
  font-size: 0.95rem;
}

.contact {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.5rem;
}

.contact a {
  color: var(--accent);
}

.site-footer {
  margin-top: 2.2rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  color: var(--muted);
}

.back-to-top {
  position: fixed;
  right: 0.9rem;
  bottom: 2.7rem;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  padding: 0.5rem 0.72rem;
  border-radius: 999px;
  font-size: 0.82rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.14);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.canada-flag {
  position: fixed;
  right: 0.9rem;
  bottom: 0.9rem;
  width: 32px;
  height: 20px;
  border: 1px solid #cbd5e1;
  border-radius: 3px;
  display: grid;
  place-items: center;
  background: linear-gradient(
    to right,
    #d80621 0,
    #d80621 25%,
    #ffffff 25%,
    #ffffff 75%,
    #d80621 75%,
    #d80621 100%
  );
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.14);
}

.maple {
  font-size: 11px;
  line-height: 1;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes prompt-pulse {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

@media (max-width: 840px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .overlay-group {
    padding-bottom: 1rem;
  }

  .overlay-sticky-title {
    top: 0.6rem;
  }

  .overlay-circles {
    gap: 1.8rem;
    padding: 2.7rem 0.75rem 4rem;
  }

  .overlay-circle {
    width: calc(100vw - 1.25rem);
  }

  .overlay-final {
    width: calc(100vw - 1.25rem);
    min-height: 50vh;
  }

  .page-shell {
    padding: 1rem 1rem 1.5rem;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.8rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .back-to-top {
    bottom: 2.6rem;
    right: 0.75rem;
  }

  .canada-flag {
    right: 0.75rem;
    bottom: 0.75rem;
  }
}