@import "theme.css"; 

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--color-paper-ivory);
  color: var(--color-copy-main);
  overflow-x: hidden;
  min-height: 100vh;
}

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-sky-mist);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(138,154,114,0.25) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 85% 20%, rgba(138,154,114,0.2) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(3.5rem, 10vw, 8rem);
  letter-spacing: 0.35em;
  color: var(--color-cloud);
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 1.2s ease-out 0.3s forwards;
}

.hero-tagline {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: var(--color-cloud);
  opacity: 0;
  animation: fadeUp 1s ease-out 0.8s forwards;
}

.hero-subtitle {
  font-weight: 300;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  margin-top: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease-out 1.3s forwards;
}

.scroll-hint {
  position: absolute;
  z-index: 2;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.6);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 0.8s ease-out 1.8s forwards;
}

.scroll-line {
  position: relative;
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.4);
  animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-line::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid rgba(255,255,255,0.55);
  border-bottom: 1.5px solid rgba(255,255,255,0.55);
  transform: translateX(-50%) rotate(45deg);
}

.leaf {
  position: absolute;
  z-index: 1;
  opacity: 0.42;
  pointer-events: none;
}

.leaf-1 { top: 5%; left: -3%; width: 280px; transform: rotate(-15deg); animation: sway 8s ease-in-out infinite; }
.leaf-2 { bottom: 8%; right: -2%; width: 220px; transform: rotate(20deg) scaleX(-1); animation: sway 10s ease-in-out infinite 1s; }
.leaf-3 { top: 15%; right: 5%; width: 160px; transform: rotate(-30deg); animation: sway 9s ease-in-out infinite 0.5s; }

.pipeline-section {
  position: relative;
  padding: 6rem 0 4rem;
  background: var(--color-paper-ivory);
  --pipeline-card-min-height: 270px;
  --pipeline-card-min-height-mobile: 228px;
}

.section-title {
  text-align: center;
  margin-bottom: 1rem;
  padding: 0 2rem;
}

.section-title h2 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-ink-ocean);
  letter-spacing: 0.08em;
}

.section-title p {
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--color-copy-soft);
  margin-top: 0.75rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.pipeline-track-wrapper {
  position: relative;
  margin-top: 3rem;
  overflow-x: hidden;
  overflow-y: hidden;
  scroll-snap-type: none;
  padding: 2rem 1.25rem 3rem;
  scrollbar-width: none;
}

.pipeline-track-wrapper::-webkit-scrollbar { display: none; }

.pipeline-track {
  display: flex;
  align-items: stretch;
  gap: 0;
  justify-content: center;
  width: min(100%, 1220px);
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
}

.pipeline-track::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 1rem;
  right: 1rem;
  height: 1px;
  background: var(--color-sky-steel);
  opacity: 0.3;
  transform: translateY(-50%);
}

.stage-card {
  flex: 1 1 220px;
  min-width: 190px;
  max-width: 250px;
  display: flex;
  position: relative;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: 1;
}

.stage-card:hover { transform: translateY(-4px); }

.stage-inner {
  background: var(--color-cloud);
  border: 1px solid rgba(107,146,166,0.2);
  border-radius: 16px;
  padding: 2.05rem 1.4rem 2.2rem;
  width: 100%;
  min-height: var(--pipeline-card-min-height);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  overflow: hidden;
}

.stage-card:hover .stage-inner {
  border-color: var(--color-sky-steel);
  box-shadow: 0 12px 40px rgba(107,146,166,0.15);
}

.stage-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-sky-mist), var(--color-moss-soft));
  opacity: 0;
  transition: opacity 0.3s;
}

.stage-card:hover .stage-inner::before { opacity: 1; }

.stage-number {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 3rem;
  color: var(--color-sky-mist);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 1.1rem;
}

.stage-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  min-height: 52px;
  flex: 0 0 52px;
  aspect-ratio: 1 / 1;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  margin-bottom: 1.35rem;
}

.stage-icon svg {
  width: 22px;
  height: 22px;
  display: block;
  flex: 0 0 22px;
}

.stage-icon.keyboard { background: rgba(138,154,114,0.15); color: var(--color-moss); }
.stage-icon.doctor { background: rgba(192,128,112,0.15); color: var(--color-accent-clay); }
.stage-icon.daily { background: rgba(107,146,166,0.15); color: var(--color-sky-steel); }
.stage-icon.alert { background: rgba(196,162,101,0.15); color: var(--color-accent-amber); }

.stage-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--color-ink-ocean);
  margin-bottom: 0.75rem;
}

.stage-desc {
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--color-copy-soft);
  line-height: 1.65;
}

.stage-cta {
  margin-top: auto;
  padding-top: 1.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-sky-steel);
  opacity: 0;
  transition: opacity 0.3s;
}

.stage-card:hover .stage-cta { opacity: 0.7; }

.connector {
  flex: 0 0 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
}

.connector-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
  line-height: 1;
  font-size: 1.2rem;
  color: var(--color-sky-steel);
  opacity: 0.3;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}

.overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(46,79,94,0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.detail-panel {
  position: relative;
  z-index: 1;
  background: var(--color-cloud);
  border-radius: 20px;
  width: 90%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
  scrollbar-width: thin;
  scrollbar-color: var(--color-sky-mist) transparent;
}

.overlay.active .detail-panel {
  transform: translateY(0) scale(1);
}

.detail-header {
  position: sticky;
  top: 0;
  background: var(--color-cloud);
  z-index: 2;
  padding: 2.5rem 2.5rem 1.5rem;
  border-bottom: 1px solid rgba(107,146,166,0.1);
}

.detail-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(107,146,166,0.2);
  background: var(--color-cloud);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
  z-index: 4;
  touch-action: manipulation;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
  color: var(--color-copy-muted);
  transition: all 0.2s;
}

.detail-close:hover {
  border-color: var(--color-sky-steel);
  color: var(--color-copy-main);
}

.detail-stage-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sky-steel);
  opacity: 0.6;
  margin-bottom: 0.5rem;
}

.detail-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 2rem;
  color: var(--color-ink-ocean);
}

.detail-body { padding: 2rem 2.5rem 2.5rem; }

.detail-section { margin-bottom: 2rem; }
.detail-section:last-child { margin-bottom: 0; }

.detail-section h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--color-ink-ocean);
  margin-bottom: 0.75rem;
}

.detail-section p {
  font-weight: 300;
  font-size: 0.88rem;
  color: var(--color-copy-soft);
  line-height: 1.75;
}

.tech-tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin: 0.25rem 0.3rem 0.25rem 0;
}

.tech-tag.chatbot { background: rgba(107,146,166,0.12); color: var(--color-sky-slate); }
.tech-tag.app { background: rgba(138,154,114,0.12); color: var(--color-moss); }
.tech-tag.pipeline { background: rgba(196,162,101,0.12); color: var(--color-accent-amber); }

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(107,146,166,0.08);
}

.feature-item:last-child { border-bottom: none; }

.feature-dot {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-sky-mist);
  margin-top: 0.5rem;
}

.feature-item p {
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--color-copy-soft);
  line-height: 1.65;
}

.feature-item strong {
  font-weight: 500;
  color: var(--color-copy-main);
}

.safety-section {
  padding: 5rem 2rem;
  text-align: center;
  background: var(--color-sky-mist);
  position: relative;
  overflow: hidden;
}

.safety-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 100%, rgba(138,154,114,0.15) 0%, transparent 70%);
}

.safety-content {
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin: 0 auto;
}

.safety-content h2 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--color-cloud);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.safety-content p {
  font-weight: 300;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}

.footer {
  padding: 3rem 2rem;
  text-align: center;
  background: var(--color-paper-linen);
}

.footer p {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1rem;
  color: var(--color-copy-muted);
  letter-spacing: 0.1em;
}

.footer .meaning {
  font-style: italic;
  font-size: 0.85rem;
  margin-top: 0.35rem;
  opacity: 0.7;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.15); }
}

@keyframes sway {
  0%, 100% { transform: rotate(var(--r, -15deg)) translateX(0); }
  50% { transform: rotate(var(--r, -15deg)) translateX(8px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media (max-width: 1080px) {
  .leaf { opacity: 0.32; }
  .leaf-1 { width: 220px; left: -12%; top: 6%; }
  .leaf-2 { width: 180px; right: -14%; bottom: 10%; }
  .leaf-3 { width: 130px; right: 2%; top: 12%; }

  .pipeline-section { padding: 5rem 0 3.5rem; }
  .section-title { margin-bottom: 0.25rem; }

  .pipeline-track-wrapper {
    overflow: visible;
    scroll-snap-type: none;
    padding: 1.5rem 1rem 0;
  }

  .pipeline-track {
    width: 100%;
    min-width: 0;
    max-width: 360px;
    margin: 0 auto;
    padding: 0;
    flex-direction: column;
    gap: 0;
    justify-content: flex-start;
  }

  .pipeline-track::before {
    top: 0;
    bottom: 0;
    left: 50%;
    right: auto;
    width: 1px;
    height: auto;
    transform: translateX(-50%);
  }

  .stage-card {
    flex: 0 1 auto;
    width: 100%;
    min-width: 0;
    max-width: 320px;
    margin: 0 auto;
  }

  .stage-inner {
    min-height: var(--pipeline-card-min-height-mobile);
    padding: 1.5rem 1.1rem 1.75rem;
  }

  .stage-number {
    font-size: 2.35rem;
    margin-bottom: 0.9rem;
  }

  .stage-title {
    font-size: 1.2rem;
    margin-bottom: 0.55rem;
  }

  .stage-desc {
    font-size: 0.8rem;
    line-height: 1.55;
  }

  .stage-cta {
    padding-top: 1rem;
  }

  .connector {
    flex: 0 0 auto;
    height: 20px;
  }

  .connector-arrow {
    transform: rotate(90deg);
    opacity: 0.45;
  }
}

@media (max-width: 600px) {
  .pipeline-section { --pipeline-card-min-height-mobile: 200px; }
  .pipeline-section { padding: 3rem 0 2rem; }
  .pipeline-track-wrapper { margin-top: 1.6rem; padding: 0.7rem 0.5rem 0; }
  .section-title { padding: 0 1.25rem; }

  .hero-content {
    width: 100%;
    padding: 1.25rem 1rem;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 14vw, 3.6rem);
    letter-spacing: 0.18em;
    margin-bottom: 0.75rem;
    white-space: nowrap;
  }

  .detail-close {
    top: max(0.75rem, env(safe-area-inset-top));
    right: max(0.75rem, env(safe-area-inset-right));
  }

  .detail-header { padding: 2rem 1.5rem 1.25rem; }
  .detail-body { padding: 1.5rem; }
}

@media (max-width: 450px) and (min-width: 381px) {
  .hero-content {
    padding: 1rem 0.75rem;
  }

  .hero h1 {
    font-size: clamp(1.95rem, 11.2vw, 2.85rem);
    letter-spacing: 0.1em;
    margin-bottom: 0.65rem;
  }

  .hero-tagline {
    font-size: clamp(1rem, 4.6vw, 1.35rem);
  }

  .hero-subtitle {
    margin-top: 2rem;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
  }
}

@media (max-width: 380px) {
  .hero-content {
    padding: 1rem 0.75rem;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 12vw, 2.45rem);
    letter-spacing: 0.06em;
    margin-bottom: 0.6rem;
  }

  .hero-tagline {
    font-size: clamp(1rem, 5vw, 1.25rem);
  }

  .hero-subtitle {
    margin-top: 1.75rem;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
  }

  .pipeline-track-wrapper {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  .pipeline-section { --pipeline-card-min-height-mobile: 188px; }

  .pipeline-section {
    padding-top: 2.75rem;
    padding-bottom: 1.8rem;
  }

  .pipeline-track {
    max-width: 100%;
  }

  .stage-card {
    max-width: 260px;
    width: min(260px, 100%);
  }

  .stage-inner {
    min-height: 184px;
    padding: 0.95rem 0.9rem 1.05rem;
  }

  .stage-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    flex-basis: 48px;
    margin-bottom: 1rem;
  }

  .stage-icon svg {
    width: 20px;
    height: 20px;
  }

  .stage-number {
    font-size: 2rem;
    margin-bottom: 0.7rem;
  }

  .stage-title {
    font-size: 1.02rem;
    margin-bottom: 0.45rem;
  }

  .stage-desc {
    font-size: 0.74rem;
    line-height: 1.45;
  }

  .stage-cta {
    padding-top: 0.8rem;
    font-size: 0.68rem;
  }

  .connector {
    height: 14px;
    align-items: center;
  }

  .connector-arrow {
    transform: rotate(90deg) translateY(-1px);
    transform-origin: center;
    font-size: 1.05rem;
    width: 1rem;
    height: 1rem;
    line-height: 1;
  }
}

@media (max-width: 340px) {
  .hero h1 {
    font-size: clamp(1.6rem, 11vw, 2.15rem);
    letter-spacing: 0.03em;
  }

  .hero-tagline {
    font-size: 0.95rem;
  }

  .pipeline-track-wrapper {
    padding-left: 0.2rem;
    padding-right: 0.2rem;
  }

  .pipeline-section {
    --pipeline-card-min-height-mobile: 180px;
    padding-top: 2.5rem;
    padding-bottom: 1.75rem;
  }

  .stage-card {
    max-width: 246px;
    width: min(246px, 100%);
  }

  .stage-inner {
    min-height: 176px;
    padding: 0.9rem 0.8rem 1rem;
  }

  .stage-number {
    font-size: 2rem;
    margin-bottom: 0.65rem;
  }

  .stage-title {
    font-size: 1.05rem;
  }

  .stage-desc {
    font-size: 0.75rem;
    line-height: 1.45;
  }

  .stage-cta {
    padding-top: 0.75rem;
  }
}