/* ============================================
   THRESH DRAWING PAGE
   ============================================ */

/* Triangle background */
.thresh-page #triangle-bg {
  opacity: 0.15;
}

/* Page background */
body.thresh-page {
  background: #000000;
}

.thresh-page .portfolio-section {
  background: #000000;
}

/* Header — transitions to dark green on load */
.thresh-page .header.thresh-active {
  background-color: #0D5C2A;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  transition: background-color 3.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-bottom 3.5s ease, box-shadow 3.5s ease;
}

.thresh-page .header.thresh-active .nav-link {
  color: #ffffff;
}

.thresh-page .header.thresh-active .logo,
.thresh-page .header.thresh-active .menu-icon {
  filter: brightness(0) invert(1);
}

.thresh-page .header.thresh-active .nav-underline.active {
  background-color: rgba(255, 255, 255, 0.4);
  border-color: rgba(255, 255, 255, 0.4);
}

/* Lock button */
.thresh-page .tri-lock-btn {
  color: #B6B0A0;
}

.thresh-page .header.thresh-active .tri-lock-btn {
  color: #ffffff;
}

/* Footer — transitions to dark green on load */
.thresh-page footer.thresh-active {
  background-color: #0D5C2A;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.5);
  transition: background-color 3.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-top 3.5s ease, box-shadow 3.5s ease;
}

.thresh-page footer.thresh-active .footerTitleTypography,
.thresh-page footer.thresh-active .footer-title {
  color: #ffffff;
}

.thresh-page footer.thresh-active .footerTextTypography,
.thresh-page footer.thresh-active a {
  color: #ffffff;
}

/* Footer SVG — visible on dark green */
.thresh-page .fundo-footer {
  opacity: 45%;
  filter: brightness(0) invert(1);
}

/* Hamburger menu — thresh initial state */
.hamburger-menu.thresh-initial {
  background: #2a2a2a;
  transition: background 3.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform var(--menu-transition-duration) ease;
}

.hamburger-menu.thresh-initial a {
  color: #B6B0A0;
  transition: color 3.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hamburger-menu.thresh-initial .work-underline,
.hamburger-menu.thresh-initial .about-underline,
.hamburger-menu.thresh-initial .contact-underline {
  background-color: #B6B0A0;
  transition: background-color 3.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Hamburger menu — thresh active state */
.hamburger-menu.thresh-theme-active {
  background: #0D5C2A;
  transition: background 3.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform var(--menu-transition-duration) ease;
}

.hamburger-menu.thresh-theme-active a {
  color: #ffffff;
  transition: color 3.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hamburger-menu.thresh-theme-active .work-underline,
.hamburger-menu.thresh-theme-active .about-underline,
.hamburger-menu.thresh-theme-active .contact-underline {
  background-color: rgba(255, 255, 255, 0.4);
  transition: background-color 3.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Main content */
.thresh-page .main-content {
  min-height: 100vh;
}

.thresh-subtitle {
  color: #ffffff;
  font-family: var(--heading-font-family);
  font-size: var(--h6-font-size);
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  margin-top: 8px;
  opacity: 0.7;
}

/* ============================================
   THRESH IMAGE PREVIEW
   ============================================ */

.thresh-showcase {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

.thresh-img-wrapper {
  position: relative;
  width: 100%;
  cursor: zoom-in;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  transition: box-shadow 0.3s ease;
}

.thresh-img-wrapper:hover {
  box-shadow: 0 16px 60px rgba(13, 92, 42, 0.5);
}

.thresh-showcase .thresh-preview-img {
  width: 100%;
  height: 50vh;
  object-fit: cover;
  display: block;
  border-radius: 0;
  box-shadow: none;
  cursor: zoom-in;
  transition: transform 0.3s ease;
}

.thresh-img-wrapper:hover .thresh-preview-img {
  transform: scale(1.02);
}

.thresh-img-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.thresh-img-wrapper:hover .thresh-img-overlay {
  background: rgba(0, 0, 0, 0.3);
}

.thresh-img-hint {
  color: #ffffff;
  font-family: var(--heading-font-family);
  font-size: var(--h7-font-size);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 24px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.thresh-img-wrapper:hover .thresh-img-hint {
  opacity: 0.85;
}

/* ============================================
   THRESH LIGHTBOX
   ============================================ */

.thresh-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.thresh-lightbox.thresh-lightbox--open {
  opacity: 1;
  pointer-events: all;
}

.thresh-lightbox-img {
  max-width: 92vw;
  max-height: calc(92vh - 60px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.8);
  transform: scale(0.85);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: default;
}

.thresh-lightbox.thresh-lightbox--open .thresh-lightbox-img {
  transform: scale(1);
}

.thresh-lightbox-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  max-width: 92vw;
  max-height: 92vh;
}

.thresh-lightbox-toolbar {
  display: flex;
  justify-content: flex-end;
  width: 100%;
  padding-bottom: 8px;
  flex-shrink: 0;
}

.thresh-lightbox-close {
  position: static;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: background 0.2s ease, transform 0.2s ease;
  z-index: 100000;
  flex-shrink: 0;
}

.thresh-lightbox-close svg {
  width: 20px;
  height: 20px;
}

.thresh-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.thresh-lightbox-close:active {
  transform: scale(0.95);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .drawing-page-body {
    padding: 21px 21px 55px;
  }
}

@media (max-width: 480px) {
  .drawing-page-body {
    padding: 13px 13px 34px;
  }
}