/* GLOBAL RESET */
body {
  margin: 0;
  padding: 0;
  background: white;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
}

/* LANDING PAGE CONTAINER — vertical stack */
.container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* LANDING PAGE SECTIONS */
.section {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

/* FULLSCREEN PREVIEW IMAGES */
.section .preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: brightness(65%);
  transition: filter 0.4s ease;
}

/* Hover effect: brightness only */
.section:hover .preview-img {
  filter: brightness(50%);
}

/* SECTION LABELS — minimalist, no box or border */
.section-label {
  position: absolute;
  color: white;
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  transition: opacity 0.3s ease;
}

.section:hover .section-label {
  opacity: 0.85;
}

/* GALLERY VIEW */
#gallery {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  margin-left: 80px; /* offset for slim sidebar */
}

/* LEFT SIDEBAR */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 80px;
  height: 100%;
  background: white;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05);
  z-index: 1000;
}

/* SIDEBAR LINKS + BUTTONS */
.sidebar button,
.sidebar a {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  background: none;
  border: none;
  color: black;
  font-size: 0.8rem;
  text-decoration: none;
  cursor: pointer;
  transition: 0.3s ease;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.sidebar button:hover,
.sidebar a:hover {
  opacity: 0.6;
}

/* CONTACT FORM */
.contact-container {
  margin-left: 80px; /* keep space for sidebar */
  width: calc(100vw - 80px);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: white;
  box-sizing: border-box;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 320px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.contact-form label {
  font-size: 0.9rem;
  color: #000;
  font-weight: 400;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.9rem;
  box-sizing: border-box;
}

.contact-form button {
  background: #000;
  color: white;
  border: none;
  padding: 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: opacity 0.3s ease;
}

.contact-form button:hover {
  opacity: 0.8;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
    height: auto;
  }

  .section {
    height: 50vh;
  }

  .sidebar {
    width: 65px;
  }

  #gallery {
    margin-left: 65px;
  }

  .contact-container {
    margin-left: 65px;
    width: calc(100vw - 65px);
  }

  .section-label {
    font-size: 0.9rem;
  }

  .sidebar button,
  .sidebar a {
    font-size: 0.7rem;
  }
}