* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

html, body {
  min-height: 100%;
  background: #0f1111;
  overflow-x: hidden;
  overflow-y: auto;
}

/* =========================
   GRID BACKGROUND
========================= */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  --color: rgba(114, 114, 114, 0.2);
  background-image:
    linear-gradient(0deg, transparent 24%, var(--color) 25%, var(--color) 26%, transparent 27%, transparent 74%, var(--color) 75%, var(--color) 76%, transparent 77%, transparent),
    linear-gradient(90deg, transparent 24%, var(--color) 25%, var(--color) 26%, transparent 27%, transparent 74%, var(--color) 75%, var(--color) 76%, transparent 77%, transparent);
  background-size: 60px 60px;
  z-index: 0;
}

/* =========================
   HEADER
========================= */
.header {
  position: fixed;
  top: 25px;
  width: 100%;
  text-align: center;
  z-index: 10;
  color: white;
}

.header .name {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.header .role {
  margin-top: 6px;
  font-size: 14px;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.7);
  min-height: 20px;
}

.cursor {
  animation: blink 0.8s infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* =========================
   MAIN MENU GRID
========================= */
.menu {
  position: relative;
  z-index: 1;
  transform: none !important;
  opacity: 1 !important;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 22px;
  padding: 150px 60px 60px;
  min-height: 100vh;
}

/* =========================
   MENU CARDS
========================= */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.35s ease;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.card:hover {
  transform: translateY(-8px) scale(1.03);
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 22px;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.2), transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

/* ICON */
.icon {
  font-size: 34px;
  margin-bottom: 10px;
  transition: 0.3s ease;
}

.icon i {
  font-size: 34px;
  color: white;
}

/* LABEL */
.label {
  font-size: 18px;
  font-weight: 600;
  color: white;
  text-align: center;
  letter-spacing: 1px;
}

/* =========================
   SIDEBAR
========================= */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 90px;
  background: rgba(20,20,20,0.7);
  backdrop-filter: blur(15px);
  border-right: 1px solid rgba(255,255,255,0.08);
  z-index: 1002 !important;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding-top: 10px;
  transform: translateX(-100%);
  transition: 0.4s ease;
}

.sidebar-item:first-child {
  margin-top: 20px;
}

body.sidebar-open {
  overflow: hidden;
}

body.sidebar-open .sidebar {
  transform: translateX(0);
}

.sidebar-item {
  width: 50px;
  height: 50px;
  border-radius: 24px;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 24px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, background 0.25s ease;
}

.sidebar-item:hover {
  transform: scale(1.2);
  background: rgba(255,255,255,0.12);
}

.sidebar-item.active {
  background: rgba(0, 200, 255, 0.25);
  border: 1px solid rgba(0, 200, 255, 0.6);
  box-shadow: 0 0 20px rgba(0, 200, 255, 0.4);
}

/* =========================
   OVERLAY
========================= */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  pointer-events: none;
  transition: 0.3s ease;
  z-index: 1000;
}

body:not(.sidebar-open) .menu {
  pointer-events: auto !important;
}

body.sidebar-open .overlay {
  opacity: 1;
  pointer-events: all;
}

/* =========================
   CONTENT AREA
========================= */
.content {
  position: absolute;
  top: 120px;
  left: 120px;
  right: 40px;
  z-index: 1001;
  pointer-events: none;
  color: white;
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: 0.4s ease;
}

body.sidebar-open .content {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  display: block;
}

body:not(.sidebar-open) .overlay {
  pointer-events: none;
}

.content h2 {
  font-size: 28px;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

/* =========================
   GALLERY (FIXED GRID)
========================= */

/* =========================
   FLIP CARD SYSTEM
========================= */

.card-inner {
  width: 100%;
  height: auto;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(.25,.8,.25,1);
}

.img-card:hover .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: relative;
  width: 100%;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 16px;
  overflow: hidden;
}

.card-front img {
  width: 100%;
  height: auto;
  display: block;
}

.card-back {
  transform: rotateY(180deg);
  background: rgba(20, 20, 20, 0.95);
  color: white;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: absolute;
}

.card-back .info {
  text-align: center;
}

.card-back h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.card-back p {
  font-size: 13px;
  opacity: 0.8;
  margin-bottom: 15px;
  line-height: 1.4;
}

/* BUTTON */
.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  background: #00c8ff;
  color: #000;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s ease;
}

.btn:hover {
  background: #00e1ff;
  transform: scale(1.05);
}

/* =========================
   MENU SHRINK EFFECT
========================= */
body.sidebar-open .menu {
  filter: blur(6px);
  transform: scale(0.99);
  transition: 0.4s ease;
  pointer-events: none;
}


/* =========================
   ANIMATION
========================= */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.menu,
.gallery {
  transform: none !important;
}

/* =========================
   SECTION SYSTEM
========================= */  

.tools {
  margin-top: 10px;
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  font-size: 26px;
}

.tools i {
  font-size: 26px;
  transition: 0.25s ease;
  cursor: pointer;
  filter: drop-shadow(0 0 6px rgba(255,255,255,0.1));
}

.tools i:hover {
  transform: scale(1.25);
}

.tool-logo {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: inline-block;
  transition: 0.25s ease;
  cursor: pointer;
  filter: drop-shadow(0 0 6px rgba(255,255,255,0.1));
}

.tool-logo:hover {
  transform: scale(1.25);
}

.img-card.cover .card-front {
  width: 100%;
}

.img-card.cover img {
  width: 100%;
  height: auto;
  display: block;
}

.img-card.cover {
  grid-column: span 2;
}

.video-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.video-card img {
  width: 100%;
  display: block;
  transition: transform 0.3s ease;
}

.video-card:hover img {
  transform: scale(1.05);
}

.video-card iframe {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  display: block;
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  color: white;
  background: rgba(0,0,0,0.25);
  opacity: 0;
  transition: 0.2s;
}

.video-card:hover .play-overlay {
  opacity: 1;
}

.img-card.video .card-inner {
  transform: none !important;
}

.click-hint {
  display: block;
  font-size: 0.75rem;
  opacity: 0.6;
  margin-top: 4px;
  letter-spacing: 0.5px;
} 

/* =========================
   SECTION SYSTEM (FIXED)
========================= */

.section-title {
  width: 100%;
  font-size: 20px;
  margin: 20px 0 10px;
  letter-spacing: 2px;
  color: #ffffff;
  text-align: left;
}

/* MAIN GRID CONTAINER */
.section-grid {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex-grow: 1;
}

/* MASONRY COLUMNS */
.masonry-column {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* IMG CARDS */
.img-card {
  width: 100%;
  display: block !important;
  break-inside: avoid;
}

/* =========================
   GALLERY CENTER FIX
========================= */

.gallery {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}


/* =========================
   FINAL SAFETY CENTERING
========================= */

.gallery > .section-grid {
  margin-left: auto;
  margin-right: auto;
}

.img-card.cover {
  grid-column: span 2;
}

.section-grid-cover {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}