* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0a;
  --bg-light: #141414;
  --fg: #fafafa;
  --muted: rgba(250, 250, 250, 0.5);
  --accent: #c9a962;
  --transition-duration: 0.3s;
  --pan-duration: 12s;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: 'Space Grotesk', sans-serif;
  color: var(--fg);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.image-slide img {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: none;
}

.about-trigger, 
.modal-close, 
input, 
textarea, 
button, 
a,
.project-info {
  pointer-events: auto;
}

.modal-overlay[hidden],
.modal-overlay:not(.active) {
  display: none !important;
}

.loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content { text-align: center; }

.loader-bar {
  width: 120px;
  height: 2px;
  background: rgba(250, 250, 250, 0.1);
  position: relative;
  overflow: hidden;
}

.loader-bar::after {
  content: '';
  position: absolute;
  left: -50%;
  width: 50%;
  height: 100%;
  background: var(--accent);
  animation: loading 1s ease-in-out infinite;
}

@keyframes loading {
  0% { left: -50%; }
  100% { left: 100%; }
}

.image-container {
  position: fixed;
  inset: 0;
  background: var(--bg);
}

.image-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-duration) ease;
}

.image-slide.active {
  opacity: 1;
  z-index: 1;
}

.image-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

@media (min-width: 769px) {
  .image-slide img {
    animation: none !important;
  }
}

@media (max-width: 768px) {
  .image-slide img {
    object-position: left center;
    animation: panRight var(--pan-duration) linear forwards;
    animation-play-state: paused;
  }

  .image-slide.active img {
    animation-play-state: running;
  }

  /* Pause on touch hold */
  .image-slide img.pan-paused {
    animation-play-state: paused !important;
  }

  @keyframes panRight {
    0% { object-position: left center; }
    100% { object-position: right center; }
  }
}

@media (prefers-reduced-motion: reduce) {
  .image-slide { transition: opacity 0.3s ease; }
  .image-slide img { animation: none !important; object-position: center !important; }
  .loader-bar::after { animation: none; }
  .scroll-indicator { animation: none; }
}

.scroll-indicator {
  position: fixed;
  bottom: 0px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  opacity: 0.7;
  z-index: 50;
  pointer-events: none;
  animation: bounce 2s ease-in-out infinite;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.scroll-indicator.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(10px);
  pointer-events: none;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-6px); }
  60% { transform: translateX(-50%) translateY(-3px); }
}

.ui-bar {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  z-index: 100;
  pointer-events: none;
}

.project-info {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 18px;
  border-radius: 4px;
  
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  max-width: 70%;
  pointer-events: auto;
  
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.ui-bar.visible .project-info {
  opacity: 1;
  transform: translateY(0);
}

.info-title {
  font-size: 16px;
  line-height: 1.2;
  font-weight: 400;
}

.info-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.info-title a:hover {
  color: var(--accent);
}

.info-office {
  font-size: 12px;
  line-height: 1.2;
  color: var(--muted);
  font-weight: 300;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

.info-office a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.info-office a:hover {
  color: var(--accent);
}

.info-prize {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 6px;
}

.info-prize::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.about-trigger {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  color: var(--fg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  flex-shrink: 0;
  
  transition: background 0.3s ease, transform 0.3s ease, color 0.3s ease;
  
  opacity: 0;
  transform: translateY(10px);
}

.ui-bar.visible .about-trigger {
  opacity: 1;
  transform: translateY(0);
}

.about-trigger:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
  transform: scale(1.05) translateY(0);
}

.about-trigger:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg);
  width: 100%;
  height: 100%;
  position: relative;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

@media (min-width: 769px) {
  .modal-content {
    width: 100%;
    max-width: 600px;
    height: auto;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  }
}

@media (max-width: 768px) {
  .modal-content {
    border-radius: 0;
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s ease;
  z-index: 10;
}

.modal-close:hover {
  color: var(--fg);
}

.modal-close:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.modal-body {
  padding: 60px 40px 40px 40px;
}

@media (max-width: 768px) {
  .modal-body {
    padding: 60px 24px 40px 24px;
  }
}

.modal-title {
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--fg);
}

.modal-text {
  color: var(--muted);
  line-height: 1.6;
  font-weight: 300;
  margin-bottom: 40px;
}

.divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 40px 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.modal-overlay.active .contact-form {
  opacity: 1;
  transform: translateY(0);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-message {
  padding: 12px;
  border-radius: 4px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 16px;
  transition: opacity 0.3s ease;
}

label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

input, textarea {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px;
  color: var(--fg);
  font-family: inherit;
  font-size: 14px;
  border-radius: 4px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.02);
}

input::placeholder, textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="email"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  opacity: 0.6;
  cursor: pointer;
}

input[type="number"] {
  -moz-appearance: textfield;
  -webkit-appearance: none;
  appearance: none;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.submit-btn {
  background: var(--fg);
  color: var(--bg);
  border: none;
  padding: 14px 24px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.1s ease;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 140px;
}

.submit-btn:hover:not(:disabled) {
  background: var(--accent);
  color: #000;
}

.submit-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

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

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.submit-btn:disabled .btn-text {
  display: none;
}

.submit-btn:disabled .btn-loading {
  display: flex;
}

.submit-btn:not(:disabled) .btn-loading {
  display: none;
}