/* =====================================================
   PRODUCT LANDING PAGE — grantdaniels.me/products/*.html
   Case study layout with hero, live iframe demo, process
   timeline, tech decisions, screenshots, and CTA.
   ===================================================== */

/* ===== PRODUCT HERO ===== */
.product-hero {
  position: relative;
  padding: var(--space-24) 0 var(--space-16);
  overflow: hidden;
  isolation: isolate;
}

.product-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--color-primary-glow) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.product-hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-subtle) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 20%, black 0%, transparent 70%);
  opacity: 0.5;
}

.product-hero__inner {
  position: relative;
  z-index: 1;
}

.product-hero__content {
  max-width: 820px;
}

.product-hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-3xl);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: var(--space-4) 0 var(--space-6);
  color: var(--color-text);
}

.product-hero__title--accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.product-hero__lead {
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: var(--space-8);
}

.product-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.product-hero__stack {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
}

.product-hero__stack-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  font-weight: 500;
}

.product-hero__stack-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ===== LIVE DEMO SECTION ===== */
.product-demo {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.product-demo__lead {
  color: var(--color-text-muted);
  max-width: 640px;
  margin: var(--space-4) 0 var(--space-10);
  font-size: var(--text-base);
}

.product-demo__stage {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 640px;
  position: relative;
}

/* iPhone frame — realistic proportions */
.phone-frame {
  position: relative;
  width: 390px;
  height: 844px;
  background: #0a0a0b;
  border: 12px solid #1a1a1c;
  border-radius: 48px;
  box-shadow:
    0 0 0 2px #2a2a2f,
    0 40px 80px -20px rgba(0, 0, 0, 0.8),
    0 0 120px -20px var(--color-primary-glow);
  overflow: hidden;
  isolation: isolate;
}

.phone-frame__notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 32px;
  background: #0a0a0b;
  border-radius: 20px;
  z-index: 10;
  pointer-events: none;
}

.phone-frame__screen {
  position: absolute;
  inset: 0;
  border-radius: 36px;
  overflow: hidden;
  background: #000;
  /* Push iframe content down so the app's own header clears the notch */
  padding-top: 44px;
}

.phone-frame__screen iframe {
  width: 100%;
  height: calc(100% - 44px);
  border: 0;
  display: block;
}

.phone-frame__button {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  height: 4px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
  z-index: 10;
  pointer-events: none;
}

/* Mobile fallback — hidden by default, shown at narrow widths */
.product-demo__mobile-fallback {
  display: none;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 520px;
  margin: 0 auto;
}

.product-demo__mobile-fallback p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

/* ===== PRODUCT STORY (Problem / Process / Tech) ===== */
.product-story {
  padding: var(--space-20) 0;
}

.product-story--offset {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.product-story h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-2xl);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: var(--space-3) 0 var(--space-6);
  color: var(--color-text);
}

.product-story__body {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.65;
}

.product-story__body p {
  margin-bottom: var(--space-4);
}

.product-story__body p:last-child {
  margin-bottom: 0;
}

.product-story__body strong {
  color: var(--color-text);
  font-weight: 600;
}

.product-story__body code {
  font-family: var(--font-body);
  font-size: 0.9em;
  background: var(--color-surface-2);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-primary-hover);
}

.container--narrow {
  max-width: var(--content-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* ===== PROCESS TIMELINE ===== */
.process-timeline {
  margin-top: var(--space-8);
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  position: relative;
}

.process-step::before {
  content: "";
  position: absolute;
  left: calc(var(--space-6) * -1 - 6px);
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-bg), 0 0 20px var(--color-primary-glow);
}

.process-step__marker {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-primary-hover);
  font-weight: 600;
  letter-spacing: 0.05em;
  padding-top: 4px;
  white-space: nowrap;
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.process-step p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== TECH DECISIONS ===== */
.tech-decisions {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-5);
}

.tech-decision {
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}

.tech-decision:hover {
  border-color: var(--color-border);
  transform: translateY(-2px);
}

.tech-decision dt {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.tech-decision dd {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== SCREENSHOTS ===== */
.product-screenshots {
  padding: var(--space-20) 0;
}

.product-screenshots h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-2xl);
  line-height: 1.1;
  margin: var(--space-3) 0 var(--space-10);
  letter-spacing: -0.02em;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-8);
}

.screenshot {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.screenshot__frame {
  aspect-ratio: 9 / 19.5;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.screenshot__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.screenshot__frame--placeholder {
  background:
    radial-gradient(circle at 30% 20%, var(--color-primary-glow) 0%, transparent 50%),
    linear-gradient(135deg, var(--color-surface-2), var(--color-surface));
  color: var(--color-text-faint);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.screenshot figcaption {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
  text-align: center;
}

/* ===== CTA STRIP ACTIONS ===== */
.cta-strip__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .phone-frame {
    transform: scale(0.85);
    transform-origin: center top;
  }
}

@media (max-width: 768px) {
  .product-hero {
    padding: var(--space-16) 0 var(--space-12);
  }

  .product-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .product-hero__actions .btn {
    justify-content: center;
  }

  /* Hide iframe demo on mobile — show fallback CTA */
  .phone-frame {
    display: none;
  }

  .product-demo__mobile-fallback {
    display: block;
  }

  .product-demo__stage {
    min-height: auto;
  }

  .process-step {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .process-step__marker {
    padding-top: 0;
  }

  .screenshot-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 0 auto;
  }
}

/* ===== HERO BADGES (Case study · Access by request) ===== */
.product-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge--muted {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-subtle);
}

.badge--gated {
  background: linear-gradient(135deg, var(--color-primary-highlight), transparent);
  color: var(--color-primary-hover);
  border: 1px solid var(--color-primary);
  box-shadow: 0 0 20px var(--color-primary-glow);
}

/* Hero note (below the lead) */
.product-hero__note {
  margin: calc(var(--space-8) * -1 + var(--space-4)) 0 var(--space-8);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 640px;
}

.inline-link {
  color: var(--color-primary-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.inline-link:hover {
  color: var(--color-primary-active);
}

/* ===== ACCESS CALLOUT (after demo) ===== */
.access-callout {
  margin: var(--space-12) auto 0;
  max-width: 720px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  background: linear-gradient(135deg, var(--color-primary-highlight) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-xl);
  box-shadow: 0 0 40px var(--color-primary-glow-lg);
}

.access-callout__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  color: var(--color-primary-hover);
  flex-shrink: 0;
}

.access-callout__body h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.access-callout__body p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

@media (max-width: 720px) {
  .access-callout {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--space-6);
  }
  .access-callout__icon {
    margin: 0 auto;
  }
}

/* ===== BREATHING ROOM — product story lists ===== */
.product-story .project-list {
  gap: var(--space-4);
}

.product-story .project-list li {
  padding-top: var(--space-3);
  padding-bottom: var(--space-1);
  border-top: 1px solid var(--color-border-subtle);
  line-height: 1.65;
  font-size: var(--text-base);
}

.product-story .project-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.product-story .project-list li::before {
  top: calc(var(--space-3) + 12px);
}

.product-story .project-list li:first-child::before {
  top: 12px;
}

/* ===== ROADMAP TIERS (Core / Pro) ===== */
.roadmap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.roadmap-card {
  padding: var(--space-6) var(--space-6) var(--space-7);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.roadmap-card--next {
  background: linear-gradient(155deg, var(--color-primary-highlight) 0%, var(--color-surface-2) 55%);
  border-color: var(--color-primary);
  box-shadow: 0 0 40px var(--color-primary-glow);
}

.roadmap-card__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.roadmap-card--next .roadmap-card__label {
  color: var(--color-primary-hover);
}

.roadmap-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.roadmap-card__price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin: 0 0 var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
}

.roadmap-card--next .roadmap-card__price {
  color: var(--color-primary-hover);
}

.roadmap-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.roadmap-card__list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  padding-left: var(--space-6);
  position: relative;
}

.roadmap-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.roadmap-card--now .roadmap-card__list li::before {
  background: var(--color-text-muted);
  opacity: 0.5;
}

.roadmap-note {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 720px) {
  .roadmap-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .roadmap-card {
    padding: var(--space-5) var(--space-5) var(--space-6);
  }
  .roadmap-card__list li {
    padding-left: var(--space-5);
  }
}