html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-ink-600);
  background: var(--color-surface-0);
}

h1, h2, h3, h4 {
  line-height: var(--leading-tight);
  font-weight: 500;
  color: var(--color-ink-900);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: 300;
  letter-spacing: var(--tracking-tighter);
}

h2 {
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: var(--text-lg);
  font-weight: 400;
  margin-bottom: var(--space-2);
}

p {
  color: var(--color-ink-600);
}

p + p {
  margin-top: var(--space-4);
}

a {
  color: var(--color-primary-600);
  text-decoration: underline;
  text-decoration-thickness: from-font;
}

a:hover {
  color: var(--color-primary-700);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary-600);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary-600);
  color: var(--color-on-primary);
  padding: var(--space-2) var(--space-4);
  z-index: 100;
  border-radius: 0 0 var(--radius-md) 0;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
}

@media (min-width: 900px) {
  h1 {
    font-size: 3.5rem;
  }
}

/* Page-load animation — pure CSS, runs automatically on paint, no JS
   dependency. prefers-reduced-motion is already neutralized globally
   in reset.css, so this degrades to an instant, motion-free appearance. */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.site-header {
  animation: fade-in 0.4s ease both;
}

.hero__eyebrow {
  animation: fade-up 0.5s ease both;
}

.hero h1 {
  animation: fade-up 0.5s ease both;
  animation-delay: 0.08s;
}

.hero .answer-box {
  animation: fade-up 0.5s ease both;
  animation-delay: 0.16s;
}

.hero > p {
  animation: fade-up 0.5s ease both;
  animation-delay: 0.22s;
}

.hero__actions {
  animation: fade-up 0.5s ease both;
  animation-delay: 0.28s;
}

/* Hero chart graphic — one-time draw-in, then a gentle continuous float
   on the accent chip. All neutralized under prefers-reduced-motion via
   the global override in reset.css. */
@keyframes bar-grow {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

.hero-bar {
  transform-box: fill-box;
  transform-origin: bottom;
  transform: scaleY(0);
  animation: bar-grow 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes line-draw {
  from { stroke-dashoffset: 345; }
  to { stroke-dashoffset: 0; }
}

.hero-trendline {
  stroke-dasharray: 345;
  stroke-dashoffset: 345;
  animation: line-draw 1s ease-out both;
  animation-delay: 0.9s;
}

@keyframes dot-pop {
  from { opacity: 0; transform: scale(0); }
  to { opacity: 1; transform: scale(1); }
}

.hero-dot {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: dot-pop 0.3s ease-out both;
}

@keyframes chip-drop-in {
  0% { opacity: 0; transform: translateY(-16px); }
  60% { opacity: 1; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes chip-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-chip {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: chip-drop-in 0.6s cubic-bezier(0.22, 1, 0.36, 1) both, chip-bob 3s ease-in-out infinite;
  animation-delay: 0.3s, 1.2s;
}

/* Ambient floating background shapes — purely decorative, behind hero content */
@keyframes shape-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(18px, -18px) scale(1.08); }
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
  z-index: 0;
  animation: shape-float 11s ease-in-out infinite;
}

.hero-shape--1 {
  width: 220px;
  height: 220px;
  background: var(--color-primary-600);
  opacity: 0.12;
  top: -60px;
  left: 55%;
}

.hero-shape--2 {
  width: 160px;
  height: 160px;
  background: var(--color-teal-500);
  opacity: 0.14;
  top: 240px;
  left: 6%;
  animation-duration: 13s;
  animation-direction: reverse;
}

.hero-shape--3 {
  width: 120px;
  height: 120px;
  background: var(--color-primary-600);
  opacity: 0.1;
  bottom: -30px;
  right: 8%;
  animation-duration: 9s;
  animation-delay: -3s;
}