/* ============================================
   RYAN HOOKS — Portfolio
   Dark, cinematic, monospace grid
   ============================================ */

:root {
  --font-body: 'JetBrains Mono', 'Courier New', monospace;
  --font-display: 'Inter', 'Helvetica Neue', sans-serif;

  --text-xs: clamp(0.6875rem, 0.65rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.8125rem, 0.75rem + 0.3vw, 0.9375rem);
  --text-lg: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --color-bg: #000000;
  --color-text: #8a8a8a;
  --color-text-bright: #ffffff;
  --color-text-dim: #505050;
  --color-text-hover: #cccccc;
  --color-border: #1a1a1a;
  --color-surface: #0a0a0a;

  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}


/* ============================================
   PORTFOLIO GRID
   ============================================ */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  min-height: 100dvh;
}

.grid-item {
  position: relative;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: var(--delay, 0s);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Thumbnail image */
.grid-item__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  transition: opacity var(--transition-medium), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.grid-item:hover .grid-item__img {
  opacity: 0.85;
  transform: scale(1.03);
}

.grid-item:active .grid-item__img {
  opacity: 0.9;
}

.grid-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.05) 100%);
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.grid-item:hover .grid-item__overlay {
  opacity: 0.7;
}

.grid-item__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-4);
}

.grid-item__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.01em;
  line-height: 1.4;
  transition: color var(--transition-fast);
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

.grid-item:hover .grid-item__title {
  color: var(--color-text-bright);
}

.grid-item__role {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 300;
  color: var(--color-text-dim);
  letter-spacing: 0.02em;
  line-height: 1.4;
  transition: color var(--transition-fast);
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}

.grid-item:hover .grid-item__role {
  color: var(--color-text);
}


/* ============================================
   HOOKS LOGO TILE
   ============================================ */

.grid-item--logo {
  background: var(--color-bg);
  border-color: var(--color-border);
}

.hooks-logo {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 2rem + 3vw, 5rem);
  font-weight: 800;
  color: var(--color-text-bright);
  letter-spacing: -0.02em;
  line-height: 1;
}


/* ============================================
   ABOUT SECTION (overlay)
   ============================================ */

.about-section {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--color-bg);
  overflow-y: auto;
  padding: var(--space-16) var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.about-section.is-open {
  opacity: 1;
  visibility: visible;
}

.about-close {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 110;
  font-size: var(--text-lg);
  color: var(--color-text);
  transition: color var(--transition-fast);
  line-height: 1;
  padding: var(--space-2);
}

.about-close:hover {
  color: var(--color-text-bright);
}

.about-inner {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-12);
  align-items: start;
}

.about-portrait img {
  width: 100%;
  border-radius: 2px;
  filter: grayscale(0.2);
}

.about-content h1 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-bright);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-8);
}

.about-content p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.about-lead {
  font-size: var(--text-base) !important;
  color: var(--color-text-hover) !important;
}

.about-content a {
  color: var(--color-text-hover);
  text-decoration: underline;
  text-decoration-color: var(--color-text-dim);
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.about-content a:hover {
  color: var(--color-text-bright);
  text-decoration-color: var(--color-text-bright);
}

.about-contact {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.about-contact a {
  font-size: var(--text-base);
  color: var(--color-text-hover);
  letter-spacing: 0.02em;
}


/* ============================================
   PROJECT DETAIL OVERLAY
   ============================================ */

.project-detail {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--color-bg);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.project-detail.is-open {
  opacity: 1;
  visibility: visible;
}

.project-detail__close {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 110;
  font-size: var(--text-lg);
  color: var(--color-text);
  transition: color var(--transition-fast);
  line-height: 1;
  padding: var(--space-2);
}

.project-detail__close:hover {
  color: var(--color-text-bright);
}

.project-detail__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6) var(--space-24);
}

.project-detail__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-bright);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.project-detail__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-dim);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-8);
}

/* Video embed */
.project-detail__video {
  margin-bottom: var(--space-8);
}

.project-detail__video iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 2px;
}

/* Body text */
.project-detail__body {
  margin-bottom: var(--space-8);
}

.project-detail__body p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--space-3);
}

/* Detail images */
.project-detail__images {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.project-detail__images img {
  width: 100%;
  border-radius: 2px;
}

/* Detail links */
.project-detail__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.project-detail__links a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-text-dim);
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.project-detail__links a:hover {
  color: var(--color-text-bright);
  text-decoration-color: var(--color-text-bright);
}


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

@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-item {
    aspect-ratio: 4 / 3;
  }

  .hooks-logo {
    font-size: clamp(2rem, 1.5rem + 3vw, 3.5rem);
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .about-portrait img {
    max-width: 200px;
  }

  .about-section {
    padding: var(--space-12) var(--space-4);
  }

  .project-detail__inner {
    padding: var(--space-12) var(--space-4) var(--space-16);
  }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-item {
    aspect-ratio: 1 / 1;
  }

  .grid-item__content {
    padding: var(--space-3);
  }

  .grid-item__title {
    font-size: var(--text-xs);
  }

  .grid-item__role {
    font-size: 0.625rem;
  }

  .hooks-logo {
    font-size: clamp(1.5rem, 1rem + 4vw, 2.5rem);
  }

  .about-close,
  .project-detail__close {
    top: var(--space-4);
    right: var(--space-4);
  }
}

/* Touch devices */
@media (hover: none) {
  .grid-item:active .grid-item__img {
    opacity: 0.8;
  }

  .grid-item:active .grid-item__title {
    color: var(--color-text-bright);
  }
}