/* ==========================================================================
   L Arkkitehdit / Muusa T&K - Component Styles
   Virallinen brändiohje 1.0 (2026) mukainen komponentisto
   ========================================================================== */

/* ---------------------------------------------------------
   1. Navigaatiopalkki (Minimalistinen ja arkkitehtoninen)
   --------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(254, 244, 240, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--viiva);
  padding: 0 var(--slide-padding-x, 2rem);
  box-sizing: border-box;
}

.nav-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
}

.nav-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  line-height: 1;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  max-height: calc(var(--header-height) - 18px);
  object-fit: contain;
  display: block;
  transition: opacity var(--transition-fast, 0.2s ease), transform var(--transition-fast, 0.2s ease);
}

.brand-logo:hover .brand-logo-img {
  opacity: 0.82;
}

.brand-logo-ai {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--sininen);
  letter-spacing: -0.01em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  user-select: none;
  transition: color var(--transition-fast, 0.2s ease);
}

.brand-logo:hover .brand-logo-ai {
  color: var(--sininen-hover);
}

.brand-logo-mark {
  width: 28px;
  height: 28px;
  background-color: var(--sininen);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  background: var(--jaa);
  border: 1px solid var(--viiva);
  color: var(--harmaa);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
}

.nav-link {
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--harmaa);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: var(--muste);
}

.nav-link.active {
  font-weight: 600;
  position: relative;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--sininen);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ---------------------------------------------------------
   2. Esitystila: Etenemispalkki & Alatelakka
   --------------------------------------------------------- */
.presentation-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--sininen);
  width: 0%;
  z-index: 2000;
  transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Alareunan kelluva ohjaustelakka */
.presentation-dock {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.32rem 0.75rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.08);
}

.dock-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--jaa);
  color: var(--muste);
  border: 1px solid var(--viiva);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dock-btn:hover {
  background: var(--usva);
  transform: scale(1.06);
}

.dock-btn.accent {
  background: var(--sininen);
  color: #ffffff;
  border-color: var(--sininen);
}

.dock-btn.accent:hover {
  background: var(--sininen-hover);
}

.dock-slide-counter {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muste);
  padding: 0 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.dock-slide-title {
  color: var(--harmaa);
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 500;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------------------------------------------------
   SLIDE 01: Hero & Visio (Koko sivun levyinen video & Visio)
   --------------------------------------------------------- */
.hero-slide {
  position: relative;
  overflow: hidden;
}

.hero-video-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}

.hero-bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  display: block;
}

.hero-video-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(254, 244, 240, 0.96) 0%, rgba(254, 244, 240, 0.88) 46%, rgba(254, 244, 240, 0.38) 75%, rgba(254, 244, 240, 0.15) 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-content {
  max-width: 660px;
}

.hero-kicker-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.15rem;
}

.hero-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--harmaa);
}

.hero-meta-strip b {
  display: inline-block;
  color: var(--muste);
  font-weight: 600;
  margin-left: 0.35rem;
}

.hero-title {
  font-size: clamp(2.4rem, 4.4vw, 3.8rem);
  font-weight: 600;
  line-height: 0.96;
  letter-spacing: -0.035em;
  margin-bottom: 1.15rem;
  color: var(--muste);
}

.hero-title em {
  font-style: normal;
  color: var(--sininen);
}

.hero-description {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.6;
  color: var(--muste);
  margin-bottom: 1.75rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.hero-video-hud-tag {
  position: absolute;
  bottom: 1.5rem;
  right: 2rem;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-btn);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--viiva);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--muste);
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero-video-scrim {
    background: linear-gradient(180deg, rgba(254, 244, 240, 0.95) 0%, rgba(254, 244, 240, 0.86) 60%, rgba(254, 244, 240, 0.5) 100%);
  }
  .hero-video-hud-tag {
    display: none;
  }
}

/* ---------------------------------------------------------
   SLIDE 02: Päämanifesti / Ajatuskumppanuus
   --------------------------------------------------------- */
.manifesto-slide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.manifesto-card {
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  padding: 2.2rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.manifesto-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--sininen);
}

.manifesto-card.secondary::before {
  background: var(--kupari);
}

.manifesto-card.manifesto-image-card {
  padding: 0;
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.manifesto-card.manifesto-image-card::before {
  display: none;
}

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

.manifesto-card-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--sininen);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 0.75rem;
}

.manifesto-card.secondary .manifesto-card-tag {
  color: var(--kupari);
}

.manifesto-card p {
  font-size: clamp(0.9375rem, 1.2vw, 1.05rem);
  line-height: 1.65;
  color: var(--muste);
}

/* ---------------------------------------------------------
   SLIDE 03: Metodinen T&K-prosessi (4 Vaihetta)
   --------------------------------------------------------- */
.process-slide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.process-slide-card {
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.process-slide-card:hover {
  transform: translateY(-3px);
  border-color: var(--sininen);
}

.process-slide-header {
  padding: 1.25rem 1.25rem 0.85rem;
}

.process-slide-step {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kupari);
  margin-bottom: 0.25rem;
}

.process-slide-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  letter-spacing: -0.015em;
  color: var(--muste);
}

.process-slide-desc {
  font-size: 0.82rem;
  color: var(--harmaa);
  line-height: 1.5;
}

.media-placeholder-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--jaa);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--viiva);
}

.media-canvas,
.media-placeholder-box svg {
  width: 100%;
  height: 100%;
  display: block;
}

.media-placeholder-hud {
  position: absolute;
  inset: 0;
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(239, 242, 255, 0.85) 0%, transparent 40%, rgba(239, 242, 255, 0.95) 100%);
}

.hud-tag-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--harmaa);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.media-play-btn {
  pointer-events: auto;
  align-self: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--sininen);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.media-play-btn:hover {
  background: var(--sininen-hover);
  transform: scale(1.1);
}

.media-scrubber {
  width: 100%;
  height: 2px;
  background: var(--viiva);
  border-radius: 2px;
  overflow: hidden;
}

.media-scrubber-progress {
  height: 100%;
  width: 35%;
  background: var(--sininen);
  animation: scrub-loop 8s linear infinite;
}

@keyframes scrub-loop {
  0% { width: 0%; }
  50% { width: 65%; }
  100% { width: 100%; }
}

/* ---------------------------------------------------------
   SLIDE 04: Innovaatioekosysteemi & Luotettavuus (Proof Points)
   --------------------------------------------------------- */
.proof-numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-bottom: 1.25rem;
}

.proof-number-card {
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  padding: 1.15rem 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  box-shadow: 0 4px 16px rgba(26, 26, 46, 0.04);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  min-height: 124px;
  box-sizing: border-box;
}

.proof-number-card:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 70, 222, 0.28);
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.08);
}

.proof-card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  flex: 1;
}

.proof-card-icon-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
}

.proof-card-icon {
  max-width: 96px;
  max-height: 96px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(47, 70, 222, 0.12));
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.proof-number-card:hover .proof-card-icon {
  transform: scale(1.08) translateY(-2px);
}

.proof-numbers-grid .t-num {
  font-size: clamp(1.85rem, 2.7vw, 2.45rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
  white-space: nowrap;
}

.t-prefix {
  font-size: 0.52em;
  font-weight: 500;
  text-transform: lowercase;
  letter-spacing: -0.01em;
  margin-right: 0.2em;
  opacity: 0.85;
  vertical-align: baseline;
}

.proof-number-card p {
  font-size: 0.9375rem;
  font-weight: 500;
  margin: 0.45rem 0 0;
  color: var(--muste);
  line-height: 1.35;
}

.proof-source {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--harmaa);
  margin-top: 0.55rem;
}

.partner-slide-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.75rem;
}

.partner-slide-card {
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-btn);
  padding: 0.85rem 0.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.partner-logo-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--muste);
}

.partner-logo-row svg {
  width: 16px;
  height: 16px;
  color: var(--sininen);
}

/* ---------------------------------------------------------
   SLIDE 05: Suunnittelulähtöisyys (3 Pilaria)
   --------------------------------------------------------- */
.pillar-slide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.pillar-card {
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.pillar-card:hover {
  border-color: var(--sininen);
  transform: translateY(-2px);
}

.pillar-card-content {
  padding: 1.25rem 1.25rem 1rem;
}

.pillar-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--muste);
}

.pillar-card-desc {
  font-size: 0.82rem;
  color: var(--harmaa);
  line-height: 1.5;
}

/* ---------------------------------------------------------
   SLIDE 06: T&K-Portfoliolupaus & Ratkaisut
   --------------------------------------------------------- */
.portfolio-promise-banner {
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.75rem;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
}

.portfolio-promise-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--kupari);
}

.portfolio-quote-compact {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--muste);
}

.portfolio-quote-compact mark {
  background: none;
  color: var(--sininen);
  font-weight: 600;
}

.typology-slide-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  justify-content: center;
}

.typology-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.typology-tab {
  flex: 1;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-btn);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--valkoinen);
  color: var(--muste);
  border: 1px solid var(--viiva);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.typology-tab:hover {
  border-color: var(--sininen);
  color: var(--sininen);
}

.typology-tab.active {
  background: var(--sininen);
  color: #ffffff;
  border-color: var(--sininen);
  box-shadow: 0 2px 8px rgba(47, 70, 222, 0.2);
}

.typology-content-panel {
  display: none;
  position: relative;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  min-height: 480px;
  height: min(520px, calc(100vh - 210px));
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.typology-content-panel.active {
  display: grid;
}

.typology-panel-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.typology-title {
  font-size: clamp(1.35rem, 1.7vw, 1.65rem);
  font-weight: 700;
  margin: 0 0 0.85rem 0;
  letter-spacing: -0.02em;
  color: var(--muste);
  line-height: 1.25;
}

.typology-desc {
  font-size: clamp(0.85rem, 0.95vw, 0.925rem);
  color: var(--harmaa);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.typology-spec-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.typology-spec-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-family: var(--font-main);
  font-size: clamp(0.8125rem, 0.88vw, 0.875rem);
  line-height: 1.45;
  color: var(--muste);
}

.typology-spec-item svg {
  color: var(--sininen);
  flex-shrink: 0;
  margin-top: 2px;
}

.typology-media-card {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-bg-base, #fef4f0);
  border: 1px solid var(--viiva);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.typology-media-card-topo {
  background: #fef5f0;
}

.typology-media-img {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  width: auto;
  max-width: none;
  display: block;
}

.crossfade-gallery {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #111420;
}

.crossfade-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  z-index: 0;
  transition: opacity 1.1s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity;
  pointer-events: none;
}

.crossfade-img.active {
  opacity: 1;
  z-index: 2;
  pointer-events: auto;
}

video.crossfade-img {
  cursor: pointer;
}

.crossfade-img.under {
  opacity: 1;
  z-index: 1;
  transition: none;
}

.crossfade-dots {
  position: absolute;
  bottom: 1.15rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 7px;
  z-index: 10;
  background: rgba(18, 20, 32, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 5px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.crossfade-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.crossfade-dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

.crossfade-dot.active {
  background: #ffffff;
  width: 18px;
  border-radius: 4px;
}

/* Play-ikoni kuvaruudun oikeaan yläkulmaan */
.gallery-video-play-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 15;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(18, 20, 32, 0.68);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-fast);
}

.gallery-video-play-btn svg {
  margin-left: 2px;
  transition: transform var(--transition-fast);
}

.gallery-video-play-btn:hover {
  background: var(--sininen);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(47, 70, 222, 0.45);
}

.gallery-video-play-btn:active {
  transform: scale(0.95);
}

/* Video Overlay: avautuu isompana ja keskitettynä välilehden päälle */
.panel-video-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  border-radius: var(--radius-card);
  overflow: hidden;
  display: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.panel-video-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

.panel-video-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(14, 17, 27, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  cursor: pointer;
}

.panel-video-dialog {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  box-sizing: border-box;
}

.panel-video-player-wrap {
  width: 100%;
  max-width: 860px;
  aspect-ratio: 16 / 9;
  max-height: calc(100% - 2rem);
  border-radius: 12px;
  overflow: hidden;
  background: #000000;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-video-player {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #000000;
}

.panel-video-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.panel-video-close-btn:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: scale(1.08);
}

.panel-video-close-btn:active {
  transform: scale(0.95);
}

/* ---------------------------------------------------------
   SLIDE 05: Teknologia & Työkalut
   --------------------------------------------------------- */
.tech-promise-header {
  margin-bottom: 1.25rem;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.tech-promise-quote {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--muste);
  letter-spacing: -0.015em;
  margin: 0;
  padding: 0.9rem 1.35rem;
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-left: 4px solid var(--kupari);
  border-radius: var(--radius-card);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.tech-promise-quote mark {
  background: none;
  color: var(--sininen);
  font-weight: 600;
}

.tech-slide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  width: 100%;
}

.tech-square-card {
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  aspect-ratio: 16 / 9;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.tech-square-card:hover {
  transform: translateY(-4px);
  border-color: var(--sininen);
  box-shadow: 0 12px 28px rgba(47, 70, 222, 0.12);
}

.tech-square-thumb {
  flex: 1;
  min-height: 0;
  width: 100%;
  position: relative;
  overflow: hidden;
  background: #f7f4f0;
}

.tech-square-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.tech-square-card:hover .tech-square-img {
  transform: scale(1.04);
}

.tech-square-label {
  padding: 0.65rem 0.75rem;
  background: var(--valkoinen);
  border-top: 1px solid var(--viiva);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tech-square-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muste);
  margin: 0;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------------------------------------------------------
   SLIDE 07: CASE STUDY (Kompakti, ruutumainen demo-appi)
   --------------------------------------------------------- */
.case-slide-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
  max-width: 920px;
}

.case-header-compact {
  width: 100%;
  max-width: 820px;
  margin-bottom: 0.5rem;
  text-align: left;
}

.case-header-compact .section-title {
  font-size: clamp(1.4rem, 2.3vw, 2.1rem);
  margin-bottom: 0.2rem;
  letter-spacing: -0.02em;
}

.case-header-compact .section-subtitle {
  font-size: 0.825rem;
  margin-bottom: 0.25rem;
  color: var(--harmaa);
  line-height: 1.35;
}

/* App Wrapper: Centered, holds the side arrows and the card */
.case-interactive-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
}

/* Side navigation arrows / palkit */
.case-edge-nav-bar {
  position: absolute;
  top: 32%;
  transform: translateY(-50%);
  width: 40px;
  height: 64px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--viiva);
  box-shadow: 0 4px 18px rgba(26, 26, 46, 0.12);
  color: var(--muste);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 25;
  transition: all var(--transition-fast);
  user-select: none;
  padding: 0;
}

.case-edge-nav-bar:hover {
  background: var(--sininen);
  color: #ffffff;
  border-color: var(--sininen);
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 6px 22px rgba(47, 70, 222, 0.35);
}

.case-edge-nav-bar:active {
  transform: translateY(-50%) scale(0.96);
}

.case-edge-nav-bar.prev {
  left: 12px;
  right: auto;
}

.case-edge-nav-bar.next {
  right: 12px;
  left: auto;
}

.edge-nav-icon {
  pointer-events: none;
}

/* Ruutumaisempi appi-kortti: Tilaa pystysuunnassa (2/3 kuva/3D, 1/3 vertailuluvut) */
.case-viewer-card {
  position: relative;
  width: 100%;
  height: clamp(580px, 72vh, 690px);
  min-height: 560px;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  box-shadow: 0 12px 36px rgba(26, 26, 46, 0.09);
  display: flex;
  flex-direction: column;
}

.case-panel-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--valkoinen);
  overflow: hidden;
  min-height: 0;
}

/* Yläpalkki: Valintanapit keskitettynä */
.kaavatalo-top-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  background: var(--jaa);
  border-bottom: 1px solid var(--viiva);
  z-index: 10;
  height: 44px;
  box-sizing: border-box;
  flex-shrink: 0;
}

/* Kuvan / 3D-katseluruudun vasen yläkulma: Otsikko + Vaihenumero */
.case-viewport-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 0.35rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid var(--viiva);
  box-shadow: 0 2px 10px rgba(26, 26, 46, 0.08);
  pointer-events: none;
  user-select: none;
}

.case-viewport-title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--muste);
  letter-spacing: -0.01em;
  line-height: 1;
}

.case-viewport-step {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--harmaa);
  background: rgba(26, 26, 46, 0.06);
  padding: 0.12rem 0.4rem;
  border-radius: 4px;
  line-height: 1;
}

/* Zoom-extents icon button (kartta & 3D) */
.btn-zoom-extents {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 15;
  pointer-events: auto;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--viiva);
  color: var(--muste);
  box-shadow: 0 2px 10px rgba(26, 26, 46, 0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: all var(--transition-fast);
}

.btn-zoom-extents:hover {
  background: var(--sininen);
  border-color: var(--sininen);
  color: #ffffff;
  transform: scale(1.06);
  box-shadow: 0 4px 14px rgba(47, 70, 222, 0.3);
}

.btn-zoom-extents:active {
  transform: scale(0.96);
}

.kaavatalo-hud-heading {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--muste);
}

.case-phase-step-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--harmaa);
  background: rgba(26, 26, 46, 0.06);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-left: 0.2rem;
}

.kaavatalo-iter-pills {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.kaavatalo-iter-pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-btn);
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  color: var(--harmaa);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.kaavatalo-iter-pill:hover {
  border-color: var(--sininen);
  color: var(--sininen);
}

.kaavatalo-iter-pill.active {
  background: var(--sininen);
  border-color: var(--sininen);
  color: #ffffff;
}

.pill-short {
  display: none;
}

.pill-full {
  display: inline;
}

/* Pääruudukko: Pystysuuntainen jako (2/3 kuva/3D, 1/3 luvut) */
.kaavatalo-main-grid {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

/* Ylin 2/3: Kuva- / 3D-katseluruutu */
.kaavatalo-main-grid > :first-child {
  flex: 60 1 0%;
  min-height: 240px;
  height: 60%;
  position: relative;
  width: 100%;
  background: var(--jaa);
  overflow: hidden;
}

/* Alin 1/3: Vertailuluvut & paneeli */
.kaavatalo-main-grid > .kaavatalo-metrics-panel {
  flex: 40 1 0%;
  min-height: 0;
  height: 40%;
  position: relative;
  width: 100%;
  background: var(--valkoinen);
  border-top: 1px solid var(--viiva);
  border-left: none;
  padding: 0.75rem 1.1rem;
  overflow: visible;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 0.85rem;
  align-items: stretch;
  box-sizing: border-box;
}

/* Piilotetaan kaikki mahdolliset selaimen rullauspalkit */
.kaavatalo-metrics-panel,
.case-viewer-card,
.case-panel-wrapper {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.kaavatalo-metrics-panel::-webkit-scrollbar,
.case-viewer-card::-webkit-scrollbar,
.case-panel-wrapper::-webkit-scrollbar {
  display: none;
}

.kpi-metrics-col-secondary {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 0;
  gap: 0.35rem;
}

/* KPI Main Card */
.kpi-main-metric-card {
  background: var(--jaa);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-btn);
  padding: 0.6rem 0.8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
}

.kpi-metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.2rem;
}

.kpi-metric-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--harmaa);
}

.kpi-main-number {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--sininen);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.kpi-bar-track {
  width: 100%;
  height: 4px;
  background: var(--viiva);
  border-radius: 2px;
  overflow: hidden;
}

.kpi-bar-fill {
  height: 100%;
  background: var(--sininen);
  border-radius: 2px;
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* KPI Secondary Grid */
.kpi-secondary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
}

.carbon-secondary-grid {
  grid-template-columns: repeat(3, 1fr) !important;
}

.kpi-carbon-diff-group {
  margin-top: 0.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.kpi-carbon-diff {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  color: #059669;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.kpi-carbon-diff-sub {
  font-family: var(--font-mono);
  font-size: 0.54rem;
  font-weight: 500;
  color: #0d9488;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.kpi-mini-card {
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: 6px;
  padding: 0.35rem 0.45rem;
  display: flex;
  flex-direction: column;
}

.kpi-mini-label {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--harmaa);
  margin-bottom: 0.1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpi-mini-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--muste);
}

.kpi-mini-value.highlight {
  color: var(--kupari);
}

.kpi-mini-sub {
  font-size: 0.5rem;
  color: var(--harmaa);
  line-height: 1.2;
}

.kpi-source-note {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  color: var(--harmaa);
  border-top: 1px solid var(--viiva);
  padding-top: 0.25rem;
  text-transform: uppercase;
}

/* 3D Canvas Container */
.kaavatalo-canvas-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--jaa);
  overflow: hidden;
}

.kaavatalo-canvas-wrap canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  outline: none;
}

.kaavatalo-loading-spinner {
  position: absolute;
  inset: 0;
  background: rgba(239, 242, 255, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  z-index: 20;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--harmaa);
}

.spinner-ring {
  width: 28px;
  height: 28px;
  border: 2px solid var(--viiva);
  border-top-color: var(--sininen);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.kaavatalo-canvas-hud {
  position: absolute;
  bottom: 10px;
  left: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  z-index: 5;
}

.btn-reset-cam {
  pointer-events: auto;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-btn);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--viiva);
  color: var(--muste);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-reset-cam:hover {
  border-color: var(--sininen);
  color: var(--sininen);
}

/* GIS Map & Leaflet integration for Phase 1 */
.gis-map-canvas-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  background: #eef2ff;
  overflow: hidden;
}

.helsinki-map-canvas {
  width: 100% !important;
  height: 100% !important;
  position: absolute;
  inset: 0;
  background: #eaf0fc;
  z-index: 1;
}

.leaflet-container {
  font-family: var(--font-main) !important;
  background: #eaf0fc !important;
}

.leaflet-control-zoom {
  border: 1px solid var(--viiva) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
  border-radius: var(--radius-btn) !important;
  overflow: hidden;
}

.leaflet-control-zoom-in, .leaflet-control-zoom-out {
  background: var(--valkoinen) !important;
  color: var(--muste) !important;
  font-size: 14px !important;
  width: 28px !important;
  height: 28px !important;
  line-height: 28px !important;
}

.leaflet-control-zoom-in:hover, .leaflet-control-zoom-out:hover {
  background: var(--jaa) !important;
  color: var(--sininen) !important;
}

.leaflet-control-attribution {
  font-size: 0.5rem !important;
  background: rgba(255, 255, 255, 0.75) !important;
  backdrop-filter: blur(4px);
  color: var(--harmaa) !important;
}

.helsinki-gis-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translate(-50%, -50%);
  cursor: pointer;
  pointer-events: auto;
}

.gis-marker-beacon {
  width: 18px;
  height: 18px;
  background: var(--sininen);
  border: 3px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(47, 70, 222, 0.9);
  position: relative;
  transition: all var(--transition-fast);
}

.gis-marker-beacon::after {
  content: '';
  position: absolute;
  inset: -6px;
  border: 2px solid var(--sininen);
  border-radius: 50%;
  opacity: 0.6;
  animation: pin-pulse 2s infinite ease-out;
}

.helsinki-gis-marker.active .gis-marker-beacon {
  background: var(--kupari);
  box-shadow: 0 0 16px rgba(197, 135, 80, 0.95);
  transform: scale(1.15);
}

.helsinki-gis-marker.active .gis-marker-beacon::after {
  border-color: var(--kupari);
}

.gis-marker-label {
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  color: #ffffff;
  background: rgba(26, 26, 46, 0.92);
  backdrop-filter: blur(8px);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-fast);
}

.helsinki-gis-marker.active .gis-marker-label {
  background: var(--sininen);
  border-color: var(--sininen);
  transform: scale(1.05);
}

/* Phase 3 Carbon LCA Toggles */
.carbon-opt-section {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.carbon-opt-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
}

.carbon-opt-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--harmaa);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.carbon-opt-pills {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.carbon-opt-btn {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  color: var(--muste);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carbon-opt-btn:hover {
  border-color: var(--sininen);
  color: var(--sininen);
}

.carbon-opt-btn.active {
  background: var(--sininen);
  border-color: var(--sininen);
  color: #ffffff;
}

/* Phase 4: Single Perspective Fade-In (Only 1 image) */
.visual-single-viewport {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: #0d101d;
}

/* Slide 07 Panel 4: Koko ruudun täyttävä visualisointikatselin crossfade-efektillä */
.case-visual-full-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: #111420;
  cursor: pointer;
}

.visual-viewport-badge-right {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 15;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 0.35rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid var(--viiva);
  box-shadow: 0 2px 10px rgba(26, 26, 46, 0.08);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--sininen);
  letter-spacing: 0.02em;
}

.visual-card-single {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0d101d;
  cursor: pointer;
}

.visual-fade-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

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

.visual-layer-before {
  z-index: 1;
}

.visual-layer-after {
  z-index: 2;
  opacity: 0;
  transition: opacity 1.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity;
}

.visual-layer-after.visible {
  opacity: 1;
}

.visual-badge-fade {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 5;
  pointer-events: none;
}

.visual-card-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.75rem;
  background: linear-gradient(transparent, rgba(17, 20, 32, 0.85) 60%);
  pointer-events: none;
}

.visual-footer-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.visual-replay-btn {
  pointer-events: auto;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: all var(--transition-fast);
}

.visual-replay-btn:hover {
  background: var(--sininen);
  border-color: var(--sininen);
}

.kpi-metric-header .visual-replay-btn {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-btn);
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  color: var(--muste);
  cursor: pointer;
  backdrop-filter: none;
  transition: all var(--transition-fast);
}

.kpi-metric-header .visual-replay-btn:hover {
  border-color: var(--sininen);
  color: var(--sininen);
  background: var(--valkoinen);
}

/* Phase 5: Single Perspective Viewport & Decision Matrix */
.eval-single-viewport {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: #eff2ff;
}

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

.eval-metrics-panel {
  display: block !important;
  width: 100% !important;
  padding: 0.6rem 0.9rem !important;
  overflow-y: auto;
}

.case-matrix-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-bottom: 0;
}

.case-matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
  line-height: 1.35;
}

.case-matrix-table th {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--harmaa);
  padding: 0.35rem 0.55rem;
  border-bottom: 1px solid var(--viiva);
  text-align: left;
  background: var(--jaa);
  white-space: nowrap;
}

.case-matrix-table td {
  font-family: var(--font-mono);
  padding: 0.35rem 0.55rem;
  border-bottom: 1px solid var(--viiva);
  color: var(--muste);
  white-space: nowrap;
}

.case-matrix-table tr.matrix-row-clickable {
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.case-matrix-table tr.matrix-row-clickable:hover td {
  background: rgba(47, 70, 222, 0.04);
}

.case-matrix-table tr.selected td {
  background: rgba(47, 70, 222, 0.09);
  font-weight: 700;
  color: var(--sininen);
}

.case-matrix-table tr.highlight-rec td {
  border-left: 3px solid var(--kupari);
}

.decision-summary-box {
  background: var(--jaa);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-btn);
  padding: 0.5rem 0.7rem;
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--muste);
}

.decision-summary-box strong {
  color: var(--sininen);
}

.case-timeline-bar {
  width: 100%;
  height: 3px;
  background: var(--viiva);
  position: relative;
}

.case-timeline-progress {
  height: 100%;
  background: var(--sininen);
  transition: width 0.35s ease;
}

/* ---------------------------------------------------------
   SLIDE 09: Yhteistyö & Sparraus (CTA Slide)
   --------------------------------------------------------- */
.cta-slide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--valkoinen);
  border: 1px solid var(--viiva);
  border-radius: var(--radius-card);
  padding: 3rem;
}

/* ---------------------------------------------------------
   Profiilikuva ja Yhteystiedot (CTA Slide)
   --------------------------------------------------------- */
.cta-profile-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--viiva);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  background: var(--valkoinen);
  transform: translateZ(0);
  -webkit-mask-image: -webkit-radial-gradient(white, black);
  isolation: isolate;
}

.cta-profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: var(--radius-card);
  image-rendering: auto;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.cta-contact-block {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--viiva);
}

.cta-person-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--muste);
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.cta-person-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--kupari);
  letter-spacing: 0.03em;
  margin-top: 0.25rem;
  margin-bottom: 1rem;
}

.cta-contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.cta-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muste);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.cta-contact-link svg {
  color: var(--sininen);
  flex-shrink: 0;
}

.cta-contact-link:hover {
  color: var(--sininen);
}

.cta-company-meta {
  font-size: 0.8125rem;
  color: var(--harmaa);
  line-height: 1.5;
}

.cta-company-meta a {
  color: var(--sininen);
  text-decoration: none;
  font-weight: 600;
}

.cta-company-meta a:hover {
  text-decoration: underline;
}

/* ---------------------------------------------------------
   Responsiiviset sovitukset
   --------------------------------------------------------- */
@media (max-height: 750px) {
  .slide-section {
    padding-top: 4.5rem;
    padding-bottom: 3.5rem;
  }
  .section-title { font-size: 1.75rem; }
  .section-subtitle { margin-bottom: 0.75rem; }
  .hero-title { font-size: 2.25rem; }
  .case-viewer-card { height: clamp(520px, 70vh, 600px); min-height: 500px; }
  .tech-promise-header { margin-bottom: 0.75rem; max-width: 680px; }
  .tech-promise-quote { font-size: 0.95rem; padding: 0.55rem 0.9rem; }
  .tech-slide-grid { gap: 0.65rem; }
  .tech-square-label { padding: 0.45rem 0.5rem; }
  .tech-square-title { font-size: 0.82rem; }
  .typology-content-panel { padding: 1.5rem 1.75rem; min-height: 400px; height: calc(100vh - 170px); gap: 1.5rem; }
  .typology-title { font-size: 1.25rem; margin: 0 0 0.5rem 0; }
  .typology-desc { font-size: 0.8rem; margin-bottom: 0.75rem; }
  .typology-spec-list { gap: 0.45rem; }
  .typology-spec-item { font-size: 0.78rem; }
}

@media (max-width: 1024px) {
  .process-slide-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-slide-grid { grid-template-columns: repeat(3, 1fr); }
  .proof-numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }
  .pillar-slide-grid { grid-template-columns: 1fr; }
  .tech-slide-grid { grid-template-columns: repeat(3, 1fr); gap: 0.85rem; }
  .hero-grid, .cta-slide-grid, .manifesto-slide-grid { grid-template-columns: 1fr; }
  .presentation-container { scroll-snap-type: none; }
  .slide-section { height: auto; min-height: 100vh; }
  .typology-content-panel { grid-template-columns: 1fr; height: auto; min-height: auto; gap: 1.5rem; }
  .typology-media-card { min-height: 280px; aspect-ratio: 16 / 10; }
  .typology-media-card-topo,
  .typology-media-card:has(.typology-media-img) {
    aspect-ratio: 1200 / 942;
    min-height: 240px;
  }
  .typology-nav { flex-wrap: wrap; }
  .typology-tab { flex: 1 1 calc(33.333% - 0.5rem); }
}

@media (max-width: 768px) {
  .case-header-compact {
    text-align: center;
  }
  .case-viewer-card {
    height: auto;
    min-height: 580px;
    border-radius: var(--radius-card);
  }
  .case-panel-wrapper {
    height: auto;
    min-height: 580px;
  }
  .kaavatalo-main-grid {
    height: auto;
    flex: none;
    overflow: visible;
  }
  .kaavatalo-main-grid > :first-child {
    height: 310px;
    min-height: 280px;
    flex: none;
    width: 100%;
  }
  .case-edge-nav-bar {
    width: 36px;
    height: 54px;
    top: 155px;
    border-radius: 10px;
  }
  .case-edge-nav-bar.prev {
    left: 8px;
    right: auto;
  }
  .case-edge-nav-bar.next {
    right: 8px;
    left: auto;
  }
  .kaavatalo-main-grid > .kaavatalo-metrics-panel {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    padding: 0.75rem 0.85rem 1.25rem;
    height: auto;
    flex: none;
    overflow: visible !important;
  }
  .pill-short {
    display: inline;
  }
  .pill-full {
    display: none;
  }
  .eval-metrics-panel {
    display: block !important;
    width: 100% !important;
  }
  .case-matrix-table th, .case-matrix-table td {
    padding: 0.25rem 0.3rem;
    font-size: 0.65rem;
  }
  .panel-video-overlay {
    position: fixed;
    inset: 0;
    border-radius: 0;
    z-index: 9999;
  }
  .panel-video-dialog {
    padding: 0.85rem;
  }
}

@media (max-width: 640px) {
  .brand-logo-img {
    height: 28px;
  }
  .brand-logo-ai {
    font-size: 1.05rem;
  }
  .site-header .btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    white-space: nowrap;
  }
  .tech-slide-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.65rem;
  }
  .tech-promise-quote {
    font-size: 0.9rem;
    padding: 0.6rem 0.85rem;
  }
  .kaavatalo-top-bar {
    padding: 0.35rem 0.6rem;
    gap: 0.3rem;
  }
  .kaavatalo-hud-heading {
    font-size: 0.8rem;
  }
  .kaavatalo-iter-pills {
    gap: 0.2rem;
  }
  .kaavatalo-iter-pill {
    font-size: 0.6rem;
    padding: 0.18rem 0.35rem;
  }
  .kpi-main-number {
    font-size: 1.35rem;
    margin-bottom: 0.2rem;
  }
  .kpi-secondary-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.3rem;
  }
  .kpi-mini-card {
    padding: 0.3rem 0.35rem;
  }
  .kpi-mini-value {
    font-size: 0.72rem;
  }
  .proof-numbers-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
  .proof-number-card {
    padding: 0.85rem 1.05rem;
  }
  .proof-numbers-grid .t-num {
    font-size: 1.75rem;
  }
  .proof-card-icon-wrap {
    width: 72px;
    height: 72px;
  }
  .proof-card-icon {
    max-width: 72px;
    max-height: 72px;
  }
}