:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --card: #f4f4f4;
  --radius: 8px;
}

body.dark {
  --bg: #0d0d0d;
  --text: #f5f5f5;
  --muted: #9a9a9a;
  --card: #1a1a1a;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 18px;
}

body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  transition: background 0.3s ease, color 0.3s ease;
}

/* LAYOUT CONTAINER */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* HEADER — fixed on both mobile and desktop */
/* NAV ANCHOR LINKS */
h2[id] {
  scroll-margin-top: 6rem;
}

/* THE REST OF THE HEADER */

header.site-header {
  padding: 1.25rem 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg);
  transition: background 0.3s ease;
  border-bottom: 1px solid var(--card);
}

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

.logo {
  font-weight: 600;
  font-size: 1rem;
   text-decoration: none;
  color: var(--text);
}

/* Right side of header: nav + toggle + hamburger grouped together */
.nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.9rem;
  border: none;
  /* No underline, no bottom border */
}

nav a:hover {
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

/* TOGGLE BUTTON (sun/moon) */
.toggle {
  background: none;
  border: 1px solid var(--text);
  padding: 0.45rem 0.55rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  line-height: 0;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.toggle:hover {
  background: var(--text);
}

/* SVG icons */
.toggle .icon {
  display: none;
  color: var(--text);
}

.toggle:hover .icon {
  color: var(--bg);
}

.toggle .icon circle,
.toggle .icon path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Show correct icon based on theme */
body:not(.dark) .toggle .sun {
  display: block;
}

body.dark .toggle .moon {
  display: block;
}

/* HAMBURGER — hidden on desktop */
.hamburger {
  display: none;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text);
  display: block;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}

/* Animate hamburger → X when open */
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* MAIN — offset for fixed header */
main.container {
  padding-top: 5rem;
}

/* HERO */
.hero {
  padding: 3rem 0 1.5rem 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-image {
  display: flex;
  justify-content: flex-start;
}

.hero-image img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 50%;
  filter: none;
}

body.dark .hero-image img {
  filter: grayscale(100%);
}

.hero-text h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.hero-text p {
  color: var(--muted);
  margin-bottom: 2rem;
  font-size: 1.1rem;
  line-height: 1.75;
}

.cta {
  display: inline-block;
  background: var(--text);
  color: var(--bg);
  padding: 0.7rem 1.2rem;
  text-decoration: none;
  font-size: 0.85rem;
  border-radius: 999px;
}

/* SECTIONS */
.section {
  padding: 1.5rem 0;
}

.section h2 {
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

/* CARDS — slightly rounded corners */
.card {
  background: var(--card);
  padding: 1.8rem;
  margin-bottom: 1.5rem;
  border-radius: var(--radius);
}

.card h3 {
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.75;
}

.card a {
  text-decoration: none;
  border-bottom: 1px solid var(--text);
  color: var(--text);
  font-size: 0.85rem;
}

/* CONNECT GRID */
.connect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: stretch;
}

/* NEWSLETTER BOX — rounded */
.newsletter-box {
  background: var(--card);
  padding: 2rem;
  max-width: 100%;
  border-radius: var(--radius);
}

.newsletter-form label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.newsletter-form input[type="submit"] {
  width: 100%;
  padding: 0.7rem;
  border: none;
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: opacity 0.2s ease;
}

.newsletter-form input[type="submit"]:hover {
  opacity: 0.75;
}

.buttondown-credit {
  margin-top: 0.8rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.buttondown-credit a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--muted);
}

.newsletter-box input[type="email"] {
  width: 100%;
  padding: 0.7rem;
  margin-bottom: 0.8rem;
  border: 1px solid var(--muted);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  border-radius: var(--radius);
  outline: none;
}

.newsletter-box input[type="email"]:focus {
  border-color: var(--text);
}

.muted-text {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* INLINE NEWSLETTER BUTTON */


.newsletter-form {
  display: flex;
  flex-direction: column;
}

.newsletter-form .input-row {
  display: flex;
  gap: 0;
}

.newsletter-form .input-row input[type="email"] {
  flex: 1;
  border-radius: var(--radius) 0 0 var(--radius);
  border-right: none;
  margin-bottom: 0;
}

.newsletter-form .input-row input[type="submit"] {
  flex-shrink: 0;
  padding: 0.7rem 1.2rem;
  background: var(--text);
  color: var(--bg);
  border: none;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: opacity 0.2s ease;
  width: auto;
}

.newsletter-form .input-row input[type="submit"]:hover {
  opacity: 0.75;
}




/* SOCIAL BOX — rounded */
.social-box {
  padding: 0;
  border-radius: 0;
}

.social-links a {
  display: block;
  margin-bottom: 0.6rem;
  text-decoration: none;
  border-bottom: 1px solid var(--text);
  color: var(--text);
  width: fit-content;
  font-size: 0.85rem;
}

/* FOOTER */
footer {
  padding: 3rem 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  align-items: center;
}

/* MOBILE */
@media (max-width: 768px) {

  /* Show hamburger, hide nav by default */
  .hamburger {
    display: flex;
  }

  nav {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 2rem;
    background: var(--card);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    min-width: 160px;
    border: 1px solid var(--muted);
  }

  nav.active {
    display: flex;
  }

  /* Hero stacks vertically */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-image {
    justify-content: center;
  }

  .hero-image img {
    width: 160px;
    height: 160px;
  }

  .hero-text {
    text-align: center;
  }

  /* Connect grid stacks */
  .connect-grid {
    grid-template-columns: 1fr;

  }
}