/* ===================================== */
/* HERO SECTION - Interactive Demo */
/* Minimalist, professional SaaS aesthetic */
/* ===================================== */

.hero-demo {
  padding: var(--space-3xl) 0 var(--space-2xl);
  background: linear-gradient(180deg, var(--background-pure) 0%, var(--primary-subtle) 100%);
  position: relative;
  overflow: hidden;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

/* Subtle background accent */
.hero-demo::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(95, 158, 160, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-demo::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 122, 95, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* ===================================== */
/* HEADER - Headline & Subtitle */
/* ===================================== */

.hero-demo-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
  z-index: 1;
}

.hero-demo-title {
  font-size: var(--font-3xl);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0 0 var(--space-md) 0;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-demo-subtitle {
  font-size: var(--font-lg);
  color: var(--text-secondary);
  font-weight: 400;
  margin: 0;
  line-height: 1.5;
}

/* ===================================== */
/* DEMO STAGE - Center Stage Element */
/* ===================================== */

.hero-demo-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-xl) 0;
  position: relative;
  z-index: 1;
}

.demo-container {
  position: relative;
  width: 100%;
  max-width: 560px;
}

/* ===================================== */
/* INPUT WRAPPER & FIELD */
/* ===================================== */

.demo-input-wrapper {
  display: flex;
  align-items: center;
  background: white;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.06),
    0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-base);
  position: relative;
}

.demo-input-wrapper:hover {
  border-color: var(--primary-light);
  box-shadow:
    0 8px 30px rgba(0, 0, 0, 0.08),
    0 2px 6px rgba(0, 0, 0, 0.04);
}

.demo-input-wrapper.active {
  border-color: var(--primary);
  box-shadow:
    0 0 0 3px rgba(95, 158, 160, 0.15),
    0 8px 30px rgba(0, 0, 0, 0.08);
}

.demo-input {
  flex: 1;
  display: flex;
  align-items: center;
  min-height: 28px;
  position: relative;
}

.demo-input-text {
  font-size: var(--font-base);
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* Blinking cursor */
.demo-cursor {
  display: inline-block;
  width: 2px;
  height: 20px;
  background: var(--primary);
  margin-left: 1px;
  animation: cursorBlink 1s step-end infinite;
  opacity: 0;
}

.demo-cursor.visible {
  opacity: 1;
}

@keyframes cursorBlink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

/* Placeholder text */
.demo-placeholder {
  position: absolute;
  left: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-base);
  color: var(--text-muted);
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.demo-placeholder.hidden {
  opacity: 0;
}

/* Send button */
.demo-send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--primary);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: var(--space-md);
  flex-shrink: 0;
}

.demo-send-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

.demo-send-btn.pressed {
  transform: scale(0.95);
  background: var(--primary-dark);
}

.demo-send-btn svg {
  transition: transform var(--transition-fast);
}

.demo-send-btn.pressed svg {
  transform: translateX(2px) translateY(-2px);
}

/* ===================================== */
/* TOAST NOTIFICATION */
/* ===================================== */

.demo-toast {
  position: absolute;
  top: calc(100% + var(--space-md));
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-lg);
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.1),
    0 2px 6px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}

.demo-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.demo-toast.success {
  border-color: #10B981;
  background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
}

.demo-toast.calendar {
  border-color: #3B82F6;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

.demo-toast-icon {
  font-size: var(--font-lg);
}

.demo-toast-text {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-primary);
}

/* ===================================== */
/* CTA SECTION */
/* ===================================== */

.hero-demo-cta {
  text-align: center;
  padding-top:  var(--space-xl);
  margin-top: var(--space-xl);
  position: relative;
  z-index: 1;
}

.hero-demo-cta .btn-zen-primary {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-base);
}

.hero-demo-note {
  font-size: var(--font-sm);
  color: var(--text-muted);
  margin: var(--space-sm) 0 0 0;
}

/* ===================================== */
/* INTEGRATION BANNER - INFINITE SCROLL */
/* ===================================== */

.integration-banner-wrapper {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(226, 232, 240, 0.5);
}

.integration-banner-label {
  text-align: center;
  font-size: var(--font-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin: 0 0 var(--space-md) 0;
  opacity: 0.7;
}

.integration-banner-scroll {
  overflow: hidden;
  position: relative;
  width: 100%;
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
}

.integration-banner-track {
  display: flex;
  gap: var(--space-xl);
  animation: scroll-integrations 30s linear infinite;
  width: max-content;
}

.integration-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
  border: 1.5px solid #E2E8F0;
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: all 0.3s ease;
}

.integration-item:hover {
  background: linear-gradient(135deg, #EDF2F7 0%, #E2E8F0 100%);
  border-color: #CBD5E0;
  transform: translateY(-2px);
}

.integration-icon {
  font-size: var(--font-base);
  filter: grayscale(30%) opacity(0.8);
}

.integration-name {
  font-size: var(--font-sm);
  font-weight: 600;
  color: #64748B;
  letter-spacing: -0.01em;
}

@keyframes scroll-integrations {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Pause animation on hover */
.integration-banner-scroll:hover .integration-banner-track {
  animation-play-state: paused;
}

/* ===================================== */
/* RESPONSIVE - TABLET */
/* ===================================== */

@media (min-width: 768px) {
  .hero-demo-title {
    font-size: var(--font-4xl);
  }

  .hero-demo-subtitle {
    font-size: var(--font-xl);
  }
}

/* ===================================== */
/* RESPONSIVE - DESKTOP */
/* ===================================== */

@media (min-width: 1024px) {
  .hero-demo {
    padding: var(--space-4xl) 0 var(--space-3xl);
  }

  .hero-demo-title {
    font-size: var(--font-5xl);
    max-width: 800px;
  }

  .demo-container {
    max-width: 600px;
  }

  .demo-input-wrapper {
    padding: var(--space-lg) var(--space-xl);
  }

  .demo-input-text {
    font-size: var(--font-lg);
  }

  .demo-placeholder {
    left: var(--space-xl);
    font-size: var(--font-lg);
  }
}

/* ===================================== */
/* RESPONSIVE - MOBILE (Tablet-ish) */
/* ===================================== */

@media (max-width: 767px) {
  .hero-demo {
    padding: var(--space-2xl) 0 var(--space-xl);
    min-height: auto;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .hero-demo-header {
    margin-bottom: var(--space-xl);
    width: 100%;
    max-width: 100%;
  }

  .hero-demo-title {
    font-size: var(--font-2xl);
    padding: 0 var(--space-sm);
    max-width: 100%;
    word-wrap: break-word;
  }

  .hero-demo-subtitle {
    font-size: var(--font-base);
    padding: 0 var(--space-sm);
    max-width: 100%;
  }

  .hero-demo-stage {
    padding: var(--space-lg) 0;
    width: 100%;
    max-width: 100%;
  }

  .demo-container {
    max-width: 100%;
    width: 100%;
    padding: 0 var(--space-sm);
    box-sizing: border-box;
  }

  .demo-input-wrapper {
    padding: var(--space-sm) var(--space-md);
    max-width: 100%;
    box-sizing: border-box;
  }

  .demo-input {
    min-width: 0;
    overflow: hidden;
  }

  .demo-input-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .demo-placeholder {
    left: var(--space-md);
  }

  .demo-send-btn {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
  }

  .demo-toast {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-sm);
    max-width: 90vw;
    white-space: normal;
    text-align: center;
  }

  .hero-demo-cta {
    padding-top: var(--space-lg);
    margin-top: var(--space-lg);
    width: 100%;
    max-width: 100%;
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
    box-sizing: border-box;
  }

  .hero-demo-cta .btn-zen-primary {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-sm);
    max-width: 100%;
    box-sizing: border-box;
  }

  .integration-banner-wrapper {
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .integration-banner-track {
    gap: var(--space-md);
  }

  .integration-item {
    padding: var(--space-xs) var(--space-sm);
  }

  .integration-icon {
    font-size: var(--font-sm);
  }

  .integration-name {
    font-size: var(--font-xs);
  }
}

/* ===================================== */
/* RESPONSIVE - SMALL MOBILE (< 480px) */
/* ===================================== */

@media (max-width: 480px) {
  .hero-demo {
    padding: var(--space-xl) 0 var(--space-lg);
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .hero-demo::before,
  .hero-demo::after {
    display: none; /* Hide decorative elements on small screens */
  }

  .hero-demo > .container-zen-wide {
    width: 100%;
    max-width: 100%;
    padding: 0 var(--space-sm);
    box-sizing: border-box;
  }

  .hero-demo-header {
    margin-bottom: var(--space-lg);
    width: 100%;
  }

  .hero-demo-title {
    font-size: 1.375rem; /* ~22px */
    line-height: 1.25;
    padding: 0 var(--space-xs);
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .hero-demo-subtitle {
    font-size: var(--font-sm);
    padding: 0 var(--space-xs);
    line-height: 1.5;
    max-width: 100%;
  }

  .hero-demo-stage {
    padding: var(--space-md) 0;
    width: 100%;
  }

  .demo-container {
    padding: 0 var(--space-xs);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .demo-input-wrapper {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .demo-input {
    min-width: 0;
    flex: 1;
    overflow: hidden;
  }

  .demo-input-text {
    font-size: var(--font-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }

  .demo-placeholder {
    left: var(--space-sm);
    font-size: var(--font-sm);
  }

  .demo-send-btn {
    width: 36px;
    height: 36px;
    margin-left: var(--space-sm);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
  }

  .demo-send-btn svg {
    width: 16px;
    height: 16px;
  }

  .demo-toast {
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: calc(100% - var(--space-lg));
    max-width: calc(100vw - var(--space-xl));
    padding: var(--space-xs) var(--space-sm);
  }

  .demo-toast.visible {
    transform: translateX(-50%) translateY(0);
  }

  .demo-toast-icon {
    font-size: var(--font-base);
  }

  .demo-toast-text {
    font-size: var(--font-xs);
  }

  .hero-demo-cta {
    padding-top: var(--space-md);
    margin-top: var(--space-md);
    width: 100%;
    padding-left: var(--space-xs);
    padding-right: var(--space-xs);
    box-sizing: border-box;
  }

  .hero-demo-cta .btn-zen-primary {
    width: 100%;
    max-width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-sm);
    box-sizing: border-box;
  }

  .hero-demo-note {
    font-size: var(--font-xs);
  }

  .integration-banner-wrapper {
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .integration-banner-label {
    font-size: 0.65rem;
    letter-spacing: 0.08em;
  }

  .integration-banner-track {
    gap: var(--space-sm);
    animation-duration: 20s; /* Faster scroll on mobile */
  }

  .integration-item {
    padding: var(--space-xs) var(--space-xs);
    border-radius: var(--radius-sm);
  }

  .integration-icon {
    font-size: var(--font-xs);
  }

  .integration-name {
    font-size: 0.65rem;
  }
}

/* ===================================== */
/* RESPONSIVE - EXTRA SMALL (< 360px) */
/* ===================================== */

@media (max-width: 360px) {
  .hero-demo-title {
    font-size: 1.25rem; /* ~20px */
  }

  .hero-demo-subtitle {
    font-size: var(--font-xs);
  }

  .demo-input-text {
    font-size: var(--font-xs);
  }

  .demo-placeholder {
    font-size: var(--font-xs);
  }

  .demo-send-btn {
    width: 32px;
    height: 32px;
  }

  .demo-send-btn svg {
    width: 14px;
    height: 14px;
  }

  .integration-name {
    display: none; /* Hide text, show only icons on very small screens */
  }

  .integration-item {
    padding: var(--space-xs);
  }
}

/* ===================================== */
/* ACCESSIBILITY - REDUCED MOTION */
/* ===================================== */

@media (prefers-reduced-motion: reduce) {
  .integration-banner-track {
    animation: none;
  }

  .integration-banner-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .demo-cursor {
    animation: none;
    opacity: 1;
  }

  .demo-toast {
    transition: opacity 0.2s ease;
  }
}