/* ========================================================================
   PHONE MOCKUP (shared component)
   ======================================================================== */

.phone {
  --phone-w: 300px;
  --phone-h: 615px;
  width: var(--phone-w);
  height: var(--phone-h);
  background: linear-gradient(160deg, #1a1f2e 0%, #0a0d14 100%);
  border-radius: 46px;
  padding: 10px;
  position: relative;
  box-shadow:
    0 0 0 1.5px rgba(255,255,255,0.08),
    0 0 0 4px rgba(0,0,0,0.6),
    0 40px 80px -10px rgba(0,0,0,0.65),
    0 25px 50px -15px rgba(83,192,184,0.18),
    inset 0 1px 0 rgba(255,255,255,0.12);
  isolation: isolate;
}
.phone__screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  background: #f5f9ff;
}
.phone__screen video,
.phone__screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  pointer-events: none;
  display: block;
}

/* Subtle screen sheen */
.phone__screen::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 30%, transparent 70%, rgba(0,0,0,0.04));
  pointer-events: none;
  z-index: 2;
}

.phone--lg { --phone-w: 340px; --phone-h: 700px; }
.phone--sm { --phone-w: 240px; --phone-h: 495px; }

@media (max-width: 1024px) {
  .phone, .phone--lg { --phone-w: 280px; --phone-h: 575px; }
}
@media (max-width: 640px) {
  .phone, .phone--lg { --phone-w: 240px; --phone-h: 495px; border-radius: 38px; padding: 8px; }
  .phone__screen { border-radius: 30px; }
}

/* ========================================================================
   SHOWCASE — Scroll-driven scenes
   ======================================================================== */

.showcase {
  position: relative;
  background: var(--c-bg);
}

.showcase__intro {
  text-align: center;
  padding: var(--sp-32) var(--gutter) var(--sp-12);
  max-width: 760px;
  margin: 0 auto;
}
.showcase__intro h2 { margin: var(--sp-4) 0 var(--sp-5); }
.showcase__intro p {
  color: var(--c-text-muted);
  font-size: var(--t-lg);
  line-height: 1.7;
}

.scene { position: relative; }

.scene__outer {
  position: relative;
}

.scene__header {
  padding: var(--sp-20) 0 var(--sp-8);
  text-align: center;
}
.scene__header .t-h2 { margin: var(--sp-3) auto var(--sp-4); max-width: 720px; }
.scene__header-body {
  max-width: 600px;
  margin: 0 auto;
  color: var(--c-text-muted);
  font-size: var(--t-lg);
  line-height: 1.7;
}

.scene__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.scene__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.scene__bg::before {
  content: '';
  position: absolute;
  width: 60vw; height: 60vw;
  max-width: 800px; max-height: 800px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
}
.scene--01 .scene__bg::before { background: radial-gradient(circle, rgba(83,192,184,0.18), transparent 60%); top: -10%; left: -10%; }
.scene--02 .scene__bg::before { background: radial-gradient(circle, rgba(54,120,174,0.22), transparent 60%); top: -5%; right: -10%; left: auto; }
.scene--03 .scene__bg::before { background: radial-gradient(circle, rgba(83,192,184,0.20), transparent 60%); bottom: -10%; left: -5%; top: auto; }
.scene--04 .scene__bg::before { background: radial-gradient(circle, rgba(54,120,174,0.22), transparent 60%); bottom: -10%; right: -5%; top: auto; left: auto; }
.scene--05 .scene__bg::before { background: radial-gradient(circle, rgba(83,192,184,0.18), transparent 60%); top: 10%; left: 50%; transform: translateX(-50%); }
.scene--06 .scene__bg::before { background: radial-gradient(circle, rgba(54,120,174,0.22), transparent 60%); top: -10%; right: -10%; left: auto; }
.scene--07 .scene__bg::before { background: radial-gradient(circle, rgba(83,192,184,0.22), transparent 60%); bottom: -10%; left: -10%; top: auto; }
.scene--08 .scene__bg::before { background: radial-gradient(circle, rgba(54,120,174,0.22), transparent 60%); top: -5%; right: -5%; left: auto; }

.scene__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 1;
}
.scene__content--phone-left { grid-template-columns: 1fr 1fr; }
.scene__content--phone-left .scene__phone-col { order: -1; }

.scene__text-col {
  position: relative;
  min-height: 280px;
}

.scene__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transform: translateY(28px);
  pointer-events: none;
  will-change: opacity, transform;
}
.scene__overlay-label {
  margin-bottom: var(--sp-4);
}
.scene__overlay-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  font-weight: 600;
  color: var(--c-white);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-5);
  background: linear-gradient(180deg, #FFFFFF 50%, #94A3B8 200%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.scene__overlay-body {
  font-size: var(--t-lg);
  color: var(--c-text-muted);
  line-height: 1.7;
  max-width: 460px;
}

.scene__phone-col {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.scene__phone-glow {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 360px;
  height: 240px;
  background: radial-gradient(ellipse, rgba(var(--c-accent-rgb), 0.35) 0%, transparent 65%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}

/* Scene index marker */
.scene__index {
  position: absolute;
  top: calc(68px + var(--sp-5));   /* clear the 68px nav bar */
  left: var(--gutter);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-text-subtle);
  text-transform: uppercase;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.scene__index-num {
  color: var(--c-accent);
  font-weight: 700;
}

/* Progress rail at bottom of sticky */
.scene__progress {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(255,255,255,0.04);
  z-index: 2;
}
.scene__progress-fill {
  height: 100%;
  background: var(--grad-teal);
  width: 0%;
  box-shadow: 0 0 12px rgba(var(--c-accent-rgb), 0.6);
}

/* Phase counter for the scene */
.scene__phase-counter {
  position: absolute;
  bottom: 4vh;
  right: var(--gutter);
  display: flex;
  gap: 8px;
  z-index: 2;
}
.scene__phase-dot {
  width: 24px; height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.08);
  transition: background var(--t-base-t);
}
.scene__phase-dot.is-active { background: var(--c-accent); box-shadow: 0 0 8px rgba(var(--c-accent-rgb), 0.6); }

@media (max-width: 900px) {
  .scene__content {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
    text-align: left;
  }
  .scene__content--phone-left .scene__phone-col { order: -1; }
  .scene__phone-col { order: -1; }
  .scene__text-col { min-height: 220px; }
  .scene__overlay-headline { font-size: var(--t-2xl); }
  .scene__overlay-body { font-size: var(--t-base); }
  .scene__index { top: 3vh; left: var(--sp-4); font-size: 0.68rem; }
  .scene__phase-counter { bottom: 2.5vh; right: var(--sp-4); }
  .scene__sticky { padding-top: 4vh; }
}