* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  overflow-x: hidden;
}

.flex {
  display: flex;
  align-items: center;
  justify-content: center;
}

.row {
  flex-direction: row;
}

.column {
  flex-direction: column;
}

.spacer {
  height: 200px;
}

.spacer-small {
  height: 50px;
}

#navbar {
  width: 100%;
  padding: 30px 40px;
  box-sizing: border-box;
  div {
    justify-content: space-between;
  }
}

#footer {
  width: 100%;
  padding: 30px 40px;
  box-sizing: border-box;
  .line {
    width: 900px;
    height: 1px;
    background: rgba(0, 0, 0, 0.4);
  }
  div {
    gap: 40px;
  }
  div div {
    gap: 50px;
  }
}

/* Responsive layout: desktop rules above stay unchanged. */
@media (max-width: 1024px) {
  .spacer {
    height: 120px;
  }

  #navbar {
    padding: 24px 28px;
  }

  #footer {
    padding: 24px 28px;

    .line {
      width: min(900px, 100%);
    }
  }
}

@media (max-width: 700px) {
  .spacer {
    height: 120px;
  }

  #navbar {
    padding: 20px;

    .logo {
      font-size: 36px;
      line-height: 42px;
    }

    img {
      width: 26px;
      height: 26px;
    }
  }

  #footer {
    padding: 20px;
    gap: 24px;

    div {
      gap: 16px;
      flex-wrap: wrap;
    }

    div div {
      gap: 16px;
      flex-wrap: wrap;
    }

    h2 {
      font-size: 14px;
      line-height: 18px;
    }
  }
}

/* =========================
   SIDE MENU
   ========================= */

.site-navbar {
  width: 100%;
}

.navbar-spacer {
  width: 30px;
  height: 30px;
  display: block;
}

.menu-button {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-icon {
  width: 30px;
  height: 30px;
  display: block;
}

#menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.28s ease,
    visibility 0.28s ease;
}

#menu-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

#side-menu {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1001;

  width: 270px;
  height: 100vh;
  box-sizing: border-box;
  padding: 26px 30px 30px;

  background: #ffffff;
  border-right: 1px solid rgba(0, 0, 0, 0.18);

  display: flex;
  flex-direction: column;

  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

#side-menu.open {
  transform: translateX(0);
}

.side-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;

  font-family: "SansSerif";
  font-size: 22px;
  line-height: 28px;
  color: #000000;
}

#menu-close {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;

  font-family: Arial, sans-serif;
  font-size: 30px;
  font-weight: 300;
  line-height: 30px;
  color: rgba(0, 0, 0, 0.65);
}

.side-menu-links {
  display: flex;
  flex-direction: column;
}

.side-menu-links a {
  display: block;
  padding: 13px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.14);

  font-family: "SansSerif";
  font-size: 18px;
  line-height: 26px;
  color: #000000;
}

.side-menu-links a:last-child {
  border-bottom: 1px solid rgba(0, 0, 0, 0.14);
}

.side-menu-links a:hover {
  opacity: 0.6;
}

.side-menu-social {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.side-menu-social a {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 22px;
  height: 22px;

  font-family: Arial, sans-serif;
  font-size: 20px;
  line-height: 22px;
  color: rgba(0, 0, 0, 0.65);
}

.side-menu-social a:hover {
  color: #000000;
}

body.menu-open {
  overflow: hidden;
}

@media (max-width: 700px) {
  #side-menu {
    width: 82vw;
    max-width: 320px;
    padding: 24px 20px 22px;
  }

  .side-menu-header {
    font-size: 21px;
    margin-bottom: 22px;
  }

  .side-menu-links a {
    padding: 12px 0;
    font-size: 17px;
  }
}

@media (max-width: 420px) {
  #side-menu {
    width: 88vw;
  }
}