:root {
  --orange: #FE4811;
  --dark: #1C252D;
  --dark-light: #323E48;
  --gray: #7A868E;
  --gray-light: #CED2D5;
  --white: #fff;
  --font: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--dark-light);
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--orange);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */
.header {
  padding: 20px 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  display: block;
}

.header-cta {
  font-size: 13px;
  font-weight: 400;
  color: var(--orange);
}

.header-cta:hover {
  text-decoration: underline;
}

/* Intro */
.intro {
  padding: 60px 0 24px;
}

.intro h1 {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 20px;
}

.highlight {
  color: #FE4811 !important;
}

.intro .who {
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.intro .format {
  font-size: 0.95rem;
  color: var(--dark);
}

/* Sessions */
.sessions {
  padding: 16px 0;
}

.session {
  padding: 28px 0;
}

.session .eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.session h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--orange);
  margin-bottom: 8px;
}

.session p {
  font-size: 0.95rem;
}

.session .build-link {
  display: block;
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--orange);
}

/* Contact */
.contact {
  padding: 28px 0 60px;
}

.contact .about {
  color: var(--dark);
  font-weight: 500;
  margin-bottom: 4px;
}

.contact a {
  display: block;
  font-size: 16px;
  line-height: 1.3;
}

.contact .email {
  display: block;
  font-size: 16px;
  line-height: 1.3;
  color: var(--gray);
}

.contact .email + .email {
  margin-top: 2px;
}

.contact .email:hover {
  color: var(--orange);
}

/* Footer */
.footer {
  padding: 20px 0;
}

.footer span {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray);
}

/* Mobile */
@media (max-width: 600px) {
  .intro {
    padding: 40px 0 36px;
  }

  .intro h1 {
    font-size: 1.25rem;
  }

  .session {
    padding: 24px 0;
  }
}
