/* ============================================
   MODULES — Center-device showcase with flanking text
   ============================================ */

.section--modules {
  position: relative;
}

.modules-pin {
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: 1fr auto;
  align-items: center;
  gap: 0 clamp(24px, 4vw, 64px);
  position: relative;
  overflow: hidden;
  padding: 0 var(--container-padding);
  max-width: 1400px;
  margin: 0 auto;
}

/* ---- Columns ---- */
.modules-col {
  position: relative;
  z-index: 2;
}

.modules-col--left {
  grid-column: 1;
  grid-row: 1;
  position: relative;
  min-height: 260px;
  text-align: right;
  transform: translateY(-15%); /* Asymmetric offset */
}

.modules-col--center {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 5; /* Ensure device is above the overlapping title */
}

.modules-col--right {
  grid-column: 3;
  grid-row: 1;
  position: relative;
  min-height: 200px;
  text-align: left;
  transform: translateY(15%); /* Asymmetric offset */
}

/* ---- Left: Info panels (stacked, crossfade) ---- */
.modules-info {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end; /* Align to the right towards device */
  gap: var(--space-sm);
  opacity: 0;
  pointer-events: none;
  /* Removed CSS transition, GSAP handles it now */
}

.modules-info.is-active {
  pointer-events: auto;
  position: relative;
}

.modules-index {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-text-secondary);
}

.modules-title {
  font-family: var(--font-display);
  font-size: clamp(60px, 12vw, 180px); /* Massive title */
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--color-text);
  text-transform: uppercase;
  margin-right: -8vw; /* Overlap the device */
  white-space: nowrap;
  z-index: 1;
}

.modules-meta {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

/* ---- Right: Detail panels (stacked, crossfade) ---- */
.modules-detail {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start; /* Align to the left towards device */
  gap: var(--space-md);
  opacity: 0;
  pointer-events: none;
  /* Removed CSS transition, GSAP handles it now */
}

.modules-detail.is-active {
  pointer-events: auto;
  position: relative;
}

.modules-subtitle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  font-weight: 600;
}

.modules-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  opacity: 0.7;
  max-width: 320px;
}

.modules-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modules-feature-list li {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.05em;
}

.modules-feature-list li .mono-label {
  color: var(--color-accent);
  font-size: 12px;
}

.modules-annotation {
  font-size: 9px !important;
  letter-spacing: 0.15em;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

/* ============================================
   DEVICE FRAME — CSS-only iPhone outline
   ============================================ */

.modules-device {
  position: relative;
}

.modules-device-frame {
  width: clamp(220px, 22vw, 300px);
  aspect-ratio: 9 / 19.5;
  border: 2.5px solid var(--color-text);
  border-radius: clamp(32px, 3.5vw, 48px);
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.04),
    0 20px 60px rgba(0, 0, 0, 0.08),
    0 4px 16px rgba(0, 0, 0, 0.04);
}

.modules-device-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 24px;
  background: var(--color-text);
  border-radius: 20px;
  z-index: 10;
}

.modules-device-screen {
  position: absolute;
  inset: 0;
  padding-top: 46px;
  overflow: hidden;
}

/* ---- Screen Panels (stacked, crossfade) ---- */
.modules-screen {
  position: absolute;
  inset: 0;
  padding-top: 46px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  display: flex;
  flex-direction: column;
}

.modules-screen.is-active {
  opacity: 1;
  pointer-events: auto;
}

/* ---- Screen Internal Components ---- */
.screen-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.screen-header .mono-label {
  font-size: 9px;
  color: var(--color-text);
  font-weight: 600;
}

.screen-header .mono-label:last-child {
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* Screen: List rows (Works, Library) */
.screen-list {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.screen-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
}

.screen-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  flex-shrink: 0;
}

.screen-row-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.screen-row-text .mono-label {
  font-size: 9px;
  font-weight: 600;
  color: var(--color-text);
}

.screen-tag {
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  padding: 1px 6px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--stag) 15%, transparent);
  color: var(--stag);
  display: inline-block;
  width: fit-content;
}

/* Screen: Recipe (Lab) */
.screen-recipe {
  flex: 1;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.screen-recipe-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.screen-layers {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.screen-layer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.screen-layer-n {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--color-text-secondary);
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen-layer .mono-label {
  font-size: 8px;
  font-weight: 600;
  flex: 1;
}

.screen-layer-method {
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  color: var(--color-text-secondary);
}

.screen-result {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.screen-result .mono-label {
  font-size: 8px;
}

.screen-result .mono-label:last-child {
  color: var(--color-accent);
}

/* Screen: Tools (Studio) */
.screen-tool {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.screen-tool-icon {
  font-size: 14px;
  color: var(--color-text);
}

.screen-tool div {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.screen-tool .mono-label {
  font-size: 9px;
  font-weight: 600;
  color: var(--color-text);
}

.screen-tool-sub {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--color-text-secondary);
}

/* Screen: Inventory (Library) */
.screen-inv {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.screen-inv .mono-label {
  font-size: 9px;
}

.screen-status {
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 2px;
}

.screen-status--ok  { background: color-mix(in srgb, var(--color-status-ok) 15%, transparent);  color: var(--color-status-ok); }
.screen-status--low { background: color-mix(in srgb, var(--color-status-low) 15%, transparent); color: var(--color-status-low); }
.screen-status--out { background: color-mix(in srgb, var(--color-status-out) 15%, transparent); color: var(--color-status-out); }

/* ============================================
   BOTTOM NAV
   ============================================ */

.modules-nav {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding-bottom: 40px;
}

.modules-dots {
  display: flex;
  gap: 10px;
}

.modules-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background 0.4s, transform 0.4s var(--ease-out-expo);
  cursor: pointer;
}

.modules-dot.is-active {
  background: var(--color-text);
  transform: scale(1.3);
}

.modules-counter {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-text-secondary);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.modules-counter-current {
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-header);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.modules-counter-sep {
  color: var(--color-border);
}

.modules-progress {
  width: 60px;
  height: 2px;
  background: var(--color-border);
  position: relative;
  border-radius: 1px;
  overflow: hidden;
}

.modules-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--color-text);
  border-radius: 1px;
  transition: width 0.1s linear;
}

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

@media (max-width: 1024px) {
  .modules-pin {
    grid-template-columns: 1fr auto 1fr;
    gap: 0 clamp(16px, 3vw, 32px);
    padding: 0 24px;
  }

  .modules-title {
    font-size: clamp(48px, 8vw, 90px);
    margin-right: -4vw;
  }

  .modules-body {
    font-size: 14px;
    max-width: 260px;
  }
}

@media (max-width: 768px) {
  .desktop-br {
    display: none;
  }

  .modules-pin {
    height: 100svh;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto auto;
    gap: var(--space-md) 0;
    padding: var(--space-md) var(--container-padding) 0;
    align-items: center;
  }

  .modules-col--left {
    grid-column: 1;
    grid-row: 1;
    min-height: 90px;
    text-align: center;
    transform: none;
  }

  .modules-col--center {
    grid-column: 1;
    grid-row: 2;
    justify-self: center;
    z-index: 1;
  }

  .modules-col--right {
    grid-column: 1;
    grid-row: 3;
    min-height: 180px;
    text-align: center;
    transform: none;
  }

  .modules-nav {
    grid-column: 1;
    grid-row: 4;
    padding-bottom: 16px;
  }

  .modules-info,
  .modules-detail {
    align-items: center;
    position: absolute;
    display: flex;
  }

  .modules-info.is-active,
  .modules-detail.is-active {
    position: relative;
  }

  .modules-title {
    font-size: clamp(32px, 10vw, 56px);
    margin-right: 0;
    white-space: normal;
  }

  .modules-body {
    max-width: 100%;
    text-align: center;
    font-size: 13px;
    line-height: 1.5;
  }

  .modules-feature-list {
    align-items: center;
    gap: 6px;
  }

  .modules-feature-list li {
    font-size: 10px;
  }

  .modules-device-frame {
    width: clamp(140px, 40vw, 200px);
  }

  .modules-device-notch {
    width: 60px;
    height: 16px;
    top: 6px;
  }

  .modules-device-screen,
  .modules-screen {
    padding-top: 32px;
  }

  .screen-header,
  .screen-row,
  .screen-recipe,
  .screen-tool,
  .screen-inv {
    padding-left: 10px;
    padding-right: 10px;
  }

  .screen-header {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .screen-row,
  .screen-tool,
  .screen-inv {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .screen-thumb {
    width: 28px;
    height: 28px;
  }
}