/*
    CSS Stylesheet - Empty Sandbox How We Work Section
    Developed by: Cameron McCullough
    Created: 04-17-26
    Updated: 04-17-26
    Description: Styles for the How We Work scroll-stacked cards section.
*/

/* ===== Section wrapper ===== */
#how-we-work {
  padding-block: var(--section-gap) 0;
  margin-bottom: 0;
  background: linear-gradient(
    to bottom,
    #08050e 0%,
    #1a0940 8%,
    #3a1c96 14%,
    var(--hww-mid, #e8dafc) 28%,
    var(--hww-mid, #e8dafc) 78%,
    var(--color-bg) 100%
  );
  position: relative;
  z-index: 0;                  /* creates stacking context */
  overflow: visible;           /* allow sticky to work */
}

/* White overlay div - JS sets opacity directly to fade dark bg to white.
   Cards (z-index 1-6) paint above this overlay. */
#hww-bg-overlay {
  display: none;
}

/* ===== Intro header ===== */
.hww-intro {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  padding-bottom: var(--space-20);
  color: #ffffff;
}

.hww-intro p {
  color: rgba(255, 255, 255, 0.6);
}

.hww-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
  max-width: none;
}

.hww-intro h2 {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(var(--text-3xl), 4.5vw, var(--text-5xl));
  line-height: 1.08;
}

.hww-intro h2 em {
  color: rgba(255, 255, 255, 0.45);
  font-style: italic;
}

/* ===== Card stack container - tall to give scroll room ===== */
.hww-stack {
  position: relative;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
  max-width: var(--container-max);
  margin-inline: auto;
  padding-bottom: 0;
}

/* Invisible spacer after last card - gives it scroll room to fully pin */
.hww-spacer {
  height: 30vh;
  pointer-events: none;
}

/* ===== Individual card ===== */

.hww-card {
  background: #ffffff;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04), 0 24px 64px rgba(0,0,0,0.12);

  /* Sticky: each card pins at its top offset */
  position: sticky;

  /* Default scale — JS will manipulate via inline styles */
  transform-origin: center top;
  will-change: transform, opacity;
  transition: transform 0.15s ease-out, opacity 0.15s ease-out;

  margin-bottom: 30vh;
}

/* Last card: no bottom margin — spacer handles the scroll room */
.hww-card:last-of-type {
  margin-bottom: 0;
}


/* Stagger each card's sticky offset so they visually stack */
#hww-s1 { top: 140px; z-index: 1; }
#hww-s2 { top: 148px; z-index: 2; }
#hww-s3 { top: 156px; z-index: 3; }
#hww-s4 { top: 164px; z-index: 4; }
#hww-s5 { top: 172px; z-index: 5; }
#hww-s6 { top: 180px; z-index: 6; }

/* ===== Card inner layout (left / right) ===== */
.hww-card-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 600px;
}

/* ===== Left: text content ===== */
.hww-left {
  padding: clamp(var(--space-10), 5vw, var(--space-16));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-6);
}

.hww-step-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  width: fit-content;
}

.hww-step-tag svg {
  color: var(--color-accent);
  fill: var(--color-accent);
  flex-shrink: 0;
}

.hww-left h3 {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: var(--weight-light);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text-primary);
}

.hww-left p {
  font-size: var(--text-base);
  font-weight: var(--weight-light);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 42ch;
}

/* ===== Right: visual panel ===== */
.hww-right {
  position: relative;
  overflow: hidden;
}

.hww-visual {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hww-visual-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

/* ===== Visual backgrounds per step ===== */
.hww-visual--discover {
  background: linear-gradient(135deg, rgba(200, 170, 255, 0) 0%, rgba(200, 170, 255, 0.18) 100%);
}
.hww-visual--build {
  background: linear-gradient(135deg, rgba(160, 200, 255, 0) 0%, rgba(160, 200, 255, 0.18) 100%);
}
.hww-visual--iterate {
  background: linear-gradient(135deg, rgba(140, 255, 190, 0) 0%, rgba(140, 255, 190, 0.18) 100%);
}
.hww-visual--collab {
  background: linear-gradient(135deg, rgba(255, 190, 110, 0) 0%, rgba(255, 190, 110, 0.18) 100%);
}
.hww-visual--consult {
  background: linear-gradient(135deg, rgba(80, 220, 255, 0) 0%, rgba(80, 220, 255, 0.18) 100%);
}
.hww-visual--sprint {
  background: linear-gradient(135deg, rgba(255, 140, 195, 0) 0%, rgba(255, 140, 195, 0.18) 100%);
}

/* ===== Flip modifier - swaps visual to left, text to right ===== */
.hww-card--flip .hww-left  { order: 2; }
.hww-card--flip .hww-right { order: 1; }

/* ===== Floating chips (decorative callouts) ===== */
.hww-floating-chip {
  position: absolute;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

.chip-1 { bottom: 18%; left: 10%; }
.chip-2 { top: 14%;  right: 8%; }
.chip-3 { bottom: 16%; left: 6%; }

/* ===== DISCOVER: Document mockup ===== */
.hww-doc-mock {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0,0,0,0.1), 0 1px 4px rgba(0,0,0,0.06);
  width: min(340px, 85%);
  overflow: hidden;
}

.doc-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  background: #fafaf9;
}

.doc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0,0,0,0.12);
}
.doc-dot:nth-child(1) { background: #fc5c57; }
.doc-dot:nth-child(2) { background: #fdbc40; }
.doc-dot:nth-child(3) { background: #34c749; }

.doc-title {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  margin-left: var(--space-2);
}

.doc-body {
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.doc-line {
  height: 8px;
  border-radius: 4px;
  background: rgba(0,0,0,0.07);
}
.doc-line--full  { width: 100%; }
.doc-line--3q    { width: 75%; }
.doc-line--half  { width: 50%; }
.doc-line--label {
  height: auto;
  background: none;
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

/* ===== BUILD: Sprint board ===== */
.hww-sprint-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  width: min(400px, 90%);
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}

.sprint-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sprint-label {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.sprint-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: var(--text-xs);
  color: var(--color-text-primary);
  font-weight: var(--weight-regular);
}

.sprint-card--active {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.05);
}

.sprint-card--done {
  opacity: 0.55;
}

.sprint-tag {
  display: inline-block;
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 500;
  border-radius: var(--radius-pill);
  padding: 2px 6px;
  width: fit-content;
}

.sprint-tag--design {
  background: rgba(236, 72, 153, 0.12);
  color: #9d174d;
}

.sprint-tag--dev {
  background: rgba(139, 92, 246, 0.12);
  color: #5b21b6;
}

/* ===== ITERATE: Roadmap ===== */
.hww-roadmap {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
  width: min(380px, 88%);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.roadmap-row {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.roadmap-row:last-child { border-bottom: none; }

.roadmap-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-border-strong);
  border: 2px solid transparent;
  flex-shrink: 0;
  justify-self: center;
}

.roadmap-dot--done {
  background: #16a34a;
  border-color: #bbf7d0;
}

.roadmap-dot--active {
  background: var(--color-accent);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
  animation: roadmap-pulse 2s ease-in-out infinite;
}

@keyframes roadmap-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15); }
  50%       { box-shadow: 0 0 0 8px rgba(139, 92, 246, 0.06); }
}

.roadmap-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.roadmap-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.roadmap-meta {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.roadmap-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  white-space: nowrap;
}

.roadmap-badge--done {
  background: #f0fdf4;
  color: #16a34a;
  border-color: #bbf7d0;
}

.roadmap-badge--active {
  background: rgba(139, 92, 246, 0.08);
  color: var(--color-accent);
  border-color: rgba(139, 92, 246, 0.25);
}

/* ===== COLLAB: Chat UI ===== */
.hww-collab-ui {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
  width: min(380px, 88%);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.collab-update {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.collab-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.collab-avatar--1 {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #fff;
}

.collab-avatar--2 {
  background: #f0f0ee;
  color: var(--color-text-secondary);
}

.collab-message {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.collab-name {
  font-size: 12px;
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.collab-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--weight-light);
  line-height: 1.5;
  max-width: none;
}

.collab-time {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  max-width: none;
}

.collab-input {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--weight-light);
  cursor: text;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hww-card-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hww-card--flip .hww-left,
  .hww-card--flip .hww-right { order: unset; }

  .hww-right {
    height: 320px;
    position: relative;
    min-height: 280px;
  }

  .hww-visual {
    position: absolute;
  }

  /* On mobile, disable sticky stacking and revert to normal flow */
  #hww-s1, #hww-s2, #hww-s3, #hww-s4, #hww-s5, #hww-s6 {
    position: relative;
    top: auto;
  }
}

@media (max-width: 600px) {
  .hww-stack {
    padding-inline: var(--space-4);
  }

  .hww-right {
    height: 260px;
  }

  .hww-sprint-board {
    grid-template-columns: 1fr 1fr;
  }

  .sprint-col:last-child {
    display: none;
  }
}