/* ========================================
   INTRO / LANDING PAGE — Cinematic Hero
   ======================================== */

/* Hide app chrome when intro is active */
#app.app-intro-active .sidebar,
#app.app-intro-active .sidebar-overlay,
#app.app-intro-active .main-wrapper,
#app.app-intro-active .install-banner {
  display: none;
}

/* --- Page container --- */
.intro-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  overflow-x: hidden;
  background: #000;
  transition: opacity 0.6s var(--transition-ease),
    transform 0.6s var(--transition-ease);
}

[data-theme="light"] .intro-page {
  background: #f5f5f5;
}

.intro-page.intro-exiting {
  opacity: 0;
  transform: scale(0.97);
  pointer-events: none;
}

/* --- Background (scoped to hero only) --- */
.intro-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.intro-bg-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: blur(2px) brightness(3.5);
}

.intro-bg-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 3px;
  width: 100%;
  height: 100%;
  opacity: 0.06;
  filter: blur(6px) saturate(0.3);
}

.intro-bg-thumb {
  background-size: cover;
  background-position: center;
}

.intro-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.6) 50%, rgba(0, 0, 0, 0.92) 100%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.8) 100%);
}

[data-theme="light"] .intro-bg-overlay {
  background:
    linear-gradient(to right, rgba(245, 245, 245, 0.95) 0%, rgba(245, 245, 245, 0.75) 50%, rgba(245, 245, 245, 0.95) 100%),
    linear-gradient(to bottom, rgba(245, 245, 245, 0.8) 0%, rgba(245, 245, 245, 0.5) 50%, rgba(245, 245, 245, 0.9) 100%);
}

.intro-bg-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 45, 45, 0.1) 0%, transparent 70%);
  filter: blur(80px);
  animation: introGlowPulse 6s ease-in-out infinite;
}

@keyframes introGlowPulse {

  0%,
  100% {
    opacity: 0.5;
    transform: translateX(-50%) scale(1);
  }

  50% {
    opacity: 1;
    transform: translateX(-50%) scale(1.15);
  }
}

/* --- Brand bar --- */
.intro-brand {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 2rem clamp(2rem, 5vw, 6rem);
}

.intro-brand-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  color: var(--red);
  text-shadow: 0 0 30px rgba(255, 45, 45, 0.4);
}

.intro-brand-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ========================================
   INTRO — Hero (Split Layout)
   ======================================== */
.intro-hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  min-height: calc(100vh - 80px);
  padding: 0 clamp(2rem, 5vw, 6rem) 4rem;
  align-items: center;
}

/* --- Left: Text + CTA --- */
.intro-hero-left {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.intro-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  padding: 0.35rem 1rem;
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid rgba(255, 45, 45, 0.35);
  border-radius: 20px;
  background: rgba(255, 45, 45, 0.06);
}

.intro-headline {
  display: flex;
  flex-direction: column;
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.05;
  color: var(--text-primary);
}

.intro-headline-line {
  display: block;
}

.intro-headline-accent {
  color: var(--red);
  text-shadow: 0 0 60px rgba(255, 45, 45, 0.4), 0 0 120px rgba(255, 45, 45, 0.15);
  animation: glowPulse 4s ease-in-out infinite;
}

[data-theme="light"] .intro-headline-accent {
  color: var(--logo-color);
  text-shadow: 0 0 40px rgba(212, 32, 32, 0.2);
}

.intro-subtext {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 380px;
  letter-spacing: 0.01em;
}

.intro-enter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: fit-content;
  padding: 0.85rem 2.2rem;
  border: none;
  border-radius: 10px;
  background: var(--red);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(255, 45, 45, 0.4);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.25s ease, background 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}

.intro-enter-btn:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 8px 36px rgba(255, 45, 45, 0.55);
  background: #e82828;
}

.intro-enter-btn:active {
  transform: scale(0.97);
}

.intro-tagline {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
}

/* ========================================
   INTRO — Right: Dual Device Mockups
   ======================================== */
.intro-hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.intro-mockup-scene {
  position: relative;
  width: 100%;
  max-width: 700px;
  aspect-ratio: 4 / 3;
}

.intro-mockup-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(255, 45, 45, 0.12) 0%, transparent 70%);
  filter: blur(60px);
  z-index: 0;
  animation: introGlowPulse 6s ease-in-out infinite;
}

/* --- Laptop --- */
.intro-mockup-laptop {
  position: absolute;
  top: 0;
  left: 0;
  width: 88%;
  z-index: 1;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 45, 45, 0.08);
  transition: transform 0.5s ease;
}

.intro-mockup-laptop:hover {
  transform: scale(1.02);
}

.intro-mockup-laptop .intro-mockup-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

/* --- Phone --- */
.intro-mockup-phone {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 28%;
  z-index: 2;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(255, 45, 45, 0.1);
  transition: transform 0.5s ease;
}

.intro-mockup-phone:hover {
  transform: scale(1.04) translateY(-4px);
}

.intro-mockup-phone .intro-mockup-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
}

/* ========================================
   CSS-Only Laptop Placeholder
   ======================================== */
.intro-mock-laptop-shell {
  background: #111;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid #222;
}

.intro-mock-screen {
  display: flex;
  aspect-ratio: 16 / 10;
}

.intro-mock-sb {
  width: 22%;
  background: #0a0a0a;
  padding: 10% 8%;
  display: flex;
  flex-direction: column;
  gap: 8%;
  border-right: 1px solid #1a1a1a;
}

.intro-mock-sb-logo {
  font-family: var(--font-heading);
  font-size: clamp(0.5rem, 1.2vw, 0.9rem);
  color: var(--red);
  margin-bottom: 8%;
}

.intro-mock-sb-item {
  height: 6px;
  width: 70%;
  background: #1a1a1a;
  border-radius: 3px;
}

.intro-mock-sb-item.active {
  background: rgba(255, 45, 45, 0.25);
}

.intro-mock-main {
  flex: 1;
  padding: 4% 5%;
  display: flex;
  flex-direction: column;
  gap: 6%;
}

.intro-mock-row-label {
  height: 5px;
  width: 30%;
  background: #222;
  border-radius: 3px;
}

.intro-mock-row-label.short {
  width: 22%;
}

.intro-mock-cards {
  display: flex;
  gap: 4%;
}

.intro-mock-card {
  flex: 1;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #1a1a1a 0%, #141414 100%);
  border-radius: 4px;
  border: 1px solid #222;
}

.intro-mock-base {
  height: 10px;
  background: linear-gradient(to bottom, #111, #0a0a0a);
  border-radius: 0 0 10px 10px;
}

/* ========================================
   CSS-Only Phone Placeholder
   ======================================== */
.intro-mock-phone-shell {
  background: #111;
  border-radius: 18px;
  border: 2px solid #222;
  padding: 8% 6%;
  aspect-ratio: 9 / 19;
  display: flex;
  flex-direction: column;
}

.intro-mock-phone-notch {
  width: 35%;
  height: 4px;
  background: #222;
  border-radius: 4px;
  margin: 0 auto 10%;
}

.intro-mock-phone-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6%;
}

.intro-mock-phone-header {
  font-family: var(--font-heading);
  font-size: clamp(0.45rem, 1vw, 0.7rem);
  color: var(--red);
}

.intro-mock-phone-card {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #1a1a1a 0%, #141414 100%);
  border-radius: 4px;
  border: 1px solid #222;
}

.intro-mock-phone-card.tall {
  aspect-ratio: 16 / 7;
}

.intro-mock-phone-row {
  display: flex;
  gap: 6%;
}

.intro-mock-phone-mini {
  flex: 1;
  aspect-ratio: 1;
  background: #1a1a1a;
  border-radius: 4px;
  border: 1px solid #1e1e1e;
}

/* ========================================
   INTRO — Feature Strip (Cards)
   ======================================== */
.intro-features {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 4rem clamp(2rem, 5vw, 6rem);
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  background: #000;
}

[data-theme="light"] .intro-features {
  background: #f5f5f5;
}

.intro-feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
  padding: 2rem 1.25rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.intro-feature-card:hover {
  border-color: rgba(255, 45, 45, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(255, 45, 45, 0.06);
}

[data-theme="light"] .intro-feature-card {
  background: rgba(0, 0, 0, 0.02);
}

.intro-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 45, 45, 0.1);
  color: var(--red);
  transition: transform 0.3s ease;
}

[data-theme="light"] .intro-feature-icon {
  background: rgba(212, 32, 32, 0.08);
  color: var(--logo-color);
}

.intro-feature-card:hover .intro-feature-icon {
  transform: scale(1.1);
}

.intro-feature-text {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.intro-feature-title {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.intro-feature-desc {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ========================================
   INTRO — Section Base (shared by new sections)
   ======================================== */
.intro-section {
  position: relative;
  z-index: 1;
  background: #000;
  padding: 6rem clamp(2rem, 5vw, 6rem);
}

[data-theme="light"] .intro-section {
  background: #f5f5f5;
}

.intro-section-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.intro-section-heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 2rem;
}

.intro-section-line {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.6rem;
}

.intro-section-divider {
  width: 48px;
  height: 2px;
  background: rgba(255, 45, 45, 0.25);
  border: none;
  margin: 3rem auto;
}

[data-theme="light"] .intro-section-divider {
  background: rgba(212, 32, 32, 0.2);
}

/* ========================================
   INTRO — Problem Section
   ======================================== */
.intro-problem {
  padding-top: 8rem;
}

/* ========================================
   INTRO — When to Use Section
   ======================================== */
.intro-when-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.intro-when-item {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-secondary);
  line-height: 1.5;
  padding: 0.8rem 1.4rem;
  border-left: 2px solid rgba(255, 45, 45, 0.3);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 8px 8px 0;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.intro-when-item:hover {
  border-left-color: var(--red);
  background: rgba(255, 45, 45, 0.04);
}

[data-theme="light"] .intro-when-item {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .intro-when-item:hover {
  background: rgba(212, 32, 32, 0.04);
}

.intro-when-punch {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--red);
  letter-spacing: 0.02em;
  text-shadow: 0 0 40px rgba(255, 45, 45, 0.25);
}

[data-theme="light"] .intro-when-punch {
  color: var(--logo-color);
  text-shadow: 0 0 30px rgba(212, 32, 32, 0.12);
}

/* ========================================
   INTRO — Solution Section
   ======================================== */
.intro-solution-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  text-align: left;
  width: 100%;
  max-width: 520px;
}

.intro-solution-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--text-secondary);
  line-height: 1.6;
}

.intro-solution-bullet {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 10px rgba(255, 45, 45, 0.4);
}

[data-theme="light"] .intro-solution-bullet {
  background: var(--logo-color);
  box-shadow: 0 0 8px rgba(212, 32, 32, 0.2);
}

/* ========================================
   INTRO — Experience Section
   ======================================== */
.intro-experience-steps {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  width: 100%;
  max-width: 520px;
  counter-reset: exp-step;
}

.intro-experience-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  counter-increment: exp-step;
}

.intro-experience-step::before {
  content: counter(exp-step);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 45, 45, 0.1);
  border: 1px solid rgba(255, 45, 45, 0.25);
  color: var(--red);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
}

[data-theme="light"] .intro-experience-step::before {
  background: rgba(212, 32, 32, 0.06);
  border-color: rgba(212, 32, 32, 0.2);
  color: var(--logo-color);
}

.intro-experience-text {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--text-secondary);
  line-height: 1.6;
  padding-top: 0.2rem;
}

.intro-experience-preview-img {
  margin-top: 2.5rem;
  width: 100%;
  max-width: 800px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  display: block;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* ========================================
   INTRO — How It Works Section
   ======================================== */
.intro-how-blocks {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  width: 100%;
  max-width: 560px;
}

.intro-how-block {
  padding: 1.6rem 1.8rem;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.intro-how-block:hover {
  border-color: rgba(255, 45, 45, 0.2);
  transform: translateY(-2px);
}

[data-theme="light"] .intro-how-block {
  background: rgba(0, 0, 0, 0.02);
}

.intro-how-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
}

.intro-how-desc {
  font-family: var(--font-body);
  font-size: clamp(0.82rem, 1.3vw, 0.92rem);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========================================
   INTRO — Library Stats Section
   ======================================== */
.intro-library-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
  max-width: 640px;
  margin-top: 2.5rem;
}

.intro-library-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.intro-library-stat:hover {
  border-color: rgba(255, 45, 45, 0.2);
  transform: translateY(-2px);
}

[data-theme="light"] .intro-library-stat {
  background: rgba(0, 0, 0, 0.02);
}

.intro-library-stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--red);
  text-shadow: 0 0 30px rgba(255, 45, 45, 0.25);
  line-height: 1;
}

[data-theme="light"] .intro-library-stat-number {
  color: var(--logo-color);
  text-shadow: 0 0 20px rgba(212, 32, 32, 0.12);
}

.intro-library-stat-label {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.4;
}

/* ========================================
   INTRO — Final CTA (updated with glow)
   ======================================== */
.intro-final {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 6rem clamp(2rem, 5vw, 6rem) 8rem;
  gap: 1rem;
  background: #000;
  overflow: hidden;
}

[data-theme="light"] .intro-final {
  background: #f5f5f5;
}

.intro-final::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 45, 45, 0.08) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  animation: introGlowPulse 6s ease-in-out infinite;
}

[data-theme="light"] .intro-final::before {
  background: radial-gradient(circle, rgba(212, 32, 32, 0.06) 0%, transparent 70%);
}

.intro-final-headline {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  line-height: 1.15;
}

.intro-final-accent {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  font-style: italic;
  color: var(--red);
  line-height: 1.15;
  text-shadow: 0 0 40px rgba(255, 45, 45, 0.3);
  margin-bottom: 1rem;
}

[data-theme="light"] .intro-final-accent {
  color: var(--logo-color);
  text-shadow: 0 0 30px rgba(212, 32, 32, 0.15);
}

.intro-final-subtext {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

/* ========================================
   INTRO — Responsive (Tablet)
   ======================================== */
@media (max-width: 1024px) {
  .intro-hero {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem 2.5rem 3rem;
  }

  .intro-headline {
    font-size: clamp(2.8rem, 6vw, 4rem);
  }

  .intro-features {
    gap: 0.75rem;
    padding: 3rem 2rem;
  }

  .intro-feature-card {
    padding: 1.5rem 1rem;
  }

  .intro-section {
    padding: 5rem 2.5rem;
  }

  .intro-how-blocks {
    max-width: 100%;
  }
}

/* ========================================
   INTRO — Responsive (Mobile)
   ======================================== */
@media (max-width: 768px) {
  .intro-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 2rem 1.5rem 3rem;
    gap: 2.5rem;
  }

  .intro-headline {
    font-size: clamp(2.8rem, 12vw, 4rem);
  }

  .intro-hero-right {
    order: -1;
  }

  .intro-mockup-scene {
    max-width: 90%;
    margin: 0 auto;
  }

  .intro-brand {
    padding: 1.5rem 1.5rem;
  }

  .intro-features {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 2.5rem 1.5rem;
  }

  .intro-final {
    padding: 4rem 1.5rem 5rem;
  }

  .intro-final-headline,
  .intro-final-accent {
    font-size: clamp(1.6rem, 7vw, 2.5rem);
  }

  .intro-section {
    padding: 4rem 1.5rem;
  }

  .intro-section-heading {
    font-size: clamp(1.6rem, 7vw, 2.5rem);
  }

  .intro-when-punch {
    font-size: clamp(1.2rem, 5vw, 1.6rem);
  }

  .intro-experience-steps,
  .intro-solution-list {
    max-width: 100%;
  }

  .intro-how-blocks {
    max-width: 100%;
  }

  .intro-library-stats {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .intro-features {
    grid-template-columns: 1fr;
  }

  .intro-feature-card {
    flex-direction: row;
    text-align: left;
    padding: 1.25rem;
    gap: 1rem;
  }

  .intro-feature-text {
    align-items: flex-start;
  }

  .intro-when-item {
    font-size: 0.9rem;
    padding: 0.7rem 1rem;
  }

  .intro-how-block {
    padding: 1.2rem 1.4rem;
  }

  .intro-library-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}