:root {
  --bg: #ffffff;
  --surface: #fafafa;
  --surface-subtle: #f5f5f5;
  --border: #e9eaeb;
  --border-strong: #d5d7da;
  --text: #141414;
  --text-muted: #414651;
  --text-tertiary: #535862;
  --accent: #f04c00;
  --accent-hover: #bc1b06;
  --btn-bg: #141414;
  --btn-bg-hover: #424242;
  --btn-fg: #ffffff;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --page-max: 76rem;
  --page-padding: 5%;
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-btn: inset 0 2px 0 0 #424242, inset 0 -2px 0 0 rgba(16, 24, 40, 0.05),
    var(--shadow-xs);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Shared page width */
.nav__inner,
.hero__inner,
.section__inner,
.cta-band__inner,
.footer__inner {
  width: 100%;
  max-width: var(--page-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--page-padding);
  padding-right: var(--page-padding);
}

/* Placeholders */
.placeholder {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.placeholder--hero {
  width: 100%;
  max-width: 960px;
  aspect-ratio: 16 / 10;
  margin: 64px auto 0;
}

/* Heroicons (24px outline) — SVGs in /icons, synced from npm package heroicons */
.icon {
  display: block;
  width: 24px;
  height: 24px;
  margin-bottom: 16px;
  background-color: var(--accent);
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
}

.icon--funnel {
  mask-image: url("icons/funnel.svg");
  -webkit-mask-image: url("icons/funnel.svg");
}

.icon--user-group {
  mask-image: url("icons/user-group.svg");
  -webkit-mask-image: url("icons/user-group.svg");
}

.icon--bolt {
  mask-image: url("icons/bolt.svg");
  -webkit-mask-image: url("icons/bolt.svg");
}

/* Typography */
.eyebrow {
  margin: 0 0 12px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-tertiary);
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  max-width: 18ch;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.875rem, 3.5vw, 3rem);
  max-width: 24ch;
  text-wrap: balance;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.lede,
.section__lede {
  margin: 20px auto 0;
  max-width: 52ch;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-muted);
  text-wrap: pretty;
}

.section__lede {
  margin-bottom: 48px;
}

/* Buttons — Streak-style dark primary */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  border-radius: var(--radius);
  border: 1px solid var(--btn-bg);
  box-shadow: var(--shadow-btn);
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease,
    color 0.2s ease;
}

.btn--primary {
  background: var(--btn-bg);
  color: var(--btn-fg);
}

.btn--primary:hover {
  background: var(--btn-bg-hover);
  border-color: var(--btn-bg-hover);
  box-shadow: var(--shadow-xs);
  color: var(--btn-fg);
}

.btn--small {
  padding: 0.5rem 0.75rem;
}

.btn--secondary {
  background: var(--bg);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-xs);
  color: var(--text);
}

.btn--secondary:hover {
  background: var(--surface);
  border-color: var(--border-strong);
  box-shadow: none;
}

/* Nav */
.nav {
  background: var(--bg);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.nav__logo {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
}

.nav__links {
  display: flex;
  gap: 8px;
  margin-right: auto;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav__links a {
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav__links a:hover {
  color: var(--text);
  background: var(--surface);
}

/* Hero */
.hero {
  padding: 5rem 0 6rem;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

/* Section */
.section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.section__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg);
  text-align: center;
}

.feature .icon {
  margin-left: auto;
  margin-right: auto;
}

.feature p {
  margin: 0 auto;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-muted);
  max-width: 34ch;
  text-wrap: pretty;
}

/* CTA band */
.cta-band {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.cta-band__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cta-band h2 {
  margin-bottom: 8px;
}

.cta-band p {
  margin: 0 auto 28px;
  max-width: 44ch;
  color: var(--text-muted);
  font-size: 1.125rem;
  text-wrap: pretty;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 3rem;
  padding-bottom: 3rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
}

.footer__brand {
  font-weight: 600;
  color: var(--text);
}

.footer__copy {
  margin: 0;
  text-wrap: pretty;
}

@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
    max-width: 24rem;
    margin-left: auto;
    margin-right: auto;
  }

  .hero {
    padding-top: 3rem;
    padding-bottom: 4rem;
  }

  .section,
  .cta-band {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}

@media (max-width: 520px) {
  .nav__links {
    display: none;
  }
}