/* ==========================================================================
   IRIAPET — EDITORIAL MARKETING LANDING PAGE STYLESHEET
   Dark Studio Header (#0E0F12) + Fixed Scroll-Driven Video Background Canvas
   Glassmorphism Hero Card
   ========================================================================== */

/* Google Fonts Import: Baloo 2, Newsreader, Inter */
@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700;800&family=Newsreader:ital,opsz,wght@1,6..72,400;1,6..72,500;1,6..72,600&display=swap');

:root {
  /* Colors */
  --color-bg-page: #F7F3EA;
  --color-bg-white: #FFFFFF;
  --color-charcoal: #0E0F12;
  --color-charcoal-body: #2A2D34;
  --color-charcoal-card: #16181D;
  --color-charcoal-border: rgba(255, 255, 255, 0.12);
  --color-charcoal-muted: #8E929E;
  --color-gray-text: #4B5563;
  --color-gray-subtle: #6B7280;
  --color-border-light: rgba(14, 15, 18, 0.08);
  
  /* Primary Teal -> Green Accents */
  --color-teal: #14B8A6;
  --color-teal-dark: #0D9488;
  --color-teal-300: #5EEAD4;
  --color-green: #22C55E;
  --color-blue-prontpet: #3B82F6;
  --color-coral: #FF6B6B;
  
  /* Gradients */
  --grad-primary: linear-gradient(135deg, #14B8A6 0%, #22C55E 100%);
  --grad-primary-hover: linear-gradient(135deg, #0D9488 0%, #16A34A 100%);
  --grad-line: linear-gradient(90deg, #14B8A6 0%, #22C55E 100%);
  --grad-blue: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
  --grad-text: linear-gradient(135deg, #14B8A6 0%, #22C55E 100%);
  --grad-cta: linear-gradient(135deg, #134E4A 0%, #064E3B 100%);
  
  /* Typography */
  --font-heading: 'Baloo 2', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif-italic: 'Newsreader', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Radii */
  --radius-btn: 8px;
  --radius-card: 16px;
  --radius-pill: 9999px;
  
  /* Shadows */
  --shadow-card: 0 10px 30px rgba(14, 15, 18, 0.06);
  --shadow-card-hover: 0 16px 40px rgba(14, 15, 18, 0.12);
  --shadow-hero-glass: 0 25px 60px rgba(14, 15, 18, 0.14), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
  --shadow-glow: 0 4px 20px rgba(20, 184, 166, 0.30);
  --shadow-glow-hover: 0 6px 24px rgba(20, 184, 166, 0.45);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: transparent;
}

body {
  background-color: transparent;
  color: var(--color-charcoal);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* Focus state for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

/* ==========================================================================
   FIXED FULLSCREEN BACKGROUND CANVAS / VIDEO (FULL CONTRAST & SATURATION)
   ========================================================================== */
.bg-scroll-canvas,
.hero-video,
.bg-video,
video.bg-scroll-canvas,
canvas.bg-scroll-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: -2;
  pointer-events: none;
  opacity: 1 !important;
  filter: none !important;
}

.bg-page-tint,
.page-overlay {
  display: none !important;
}

/* Global Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 48px);
}

/* ==========================================================================
   DARK STUDIO HEADER (SOLID CHARCOAL #0E0F12 + TEAL->GREEN 2PX BOTTOM LINE)
   ========================================================================== */
.studio-header {
  position: fixed !important;
  top: 0;
  left: 0;
  width: 100%;
  height: 64px;
  z-index: 1000;
  background-color: rgba(14, 15, 18, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  display: flex;
  align-items: center;
}

main.content {
  padding-top: 64px;
}

.studio-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-line);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.5px;
}

.logo-iria {
  color: #FFFFFF;
  font-weight: 600;
}

.logo-spark {
  font-size: 18px;
  margin: 0 3px;
  color: var(--color-teal);
  text-shadow: 0 0 10px rgba(20, 184, 166, 0.6);
  display: inline-block;
  animation: sparkPulse 2.5s infinite;
}

@keyframes sparkPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.15); opacity: 1; }
}

.logo-pet {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.badge-ecosystem {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-teal-300);
  background: rgba(20, 184, 166, 0.08);
  border: 1px solid rgba(20, 184, 166, 0.4);
  padding: 4px 10px;
  border-radius: 20px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
  position: relative;
}

.header-nav a:hover {
  color: #FFFFFF;
}

.header-nav a.active {
  color: #FFFFFF;
}

.header-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-teal);
  border-radius: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-ghost {
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  padding: 8px 16px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  transition: all 0.2s ease;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-ghost:hover {
  border-color: var(--color-teal);
  background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: 8px;
  background: var(--grad-primary);
  box-shadow: 0 4px 20px rgba(20, 184, 166, 0.3);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  border: none;
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 6px 24px rgba(20, 184, 166, 0.45);
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background-color: var(--color-charcoal);
  flex-direction: column;
  padding: 24px;
}

.mobile-menu-overlay.open {
  display: flex;
}

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-close {
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 24px;
  cursor: pointer;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 36px 0;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.2s ease;
}

.mobile-nav-link:hover {
  color: var(--color-teal);
}

.mobile-menu-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.w-full {
  width: 100%;
}

/* ==========================================================================
   HERO SECTION (GLASSMORPHISM CARD OVER SCROLL BACKGROUND PHOTOS)
   ========================================================================== */
.hero {
  position: relative;
  width: 100%;
  background: transparent;
  padding: clamp(56px, 8vw, 110px) 0;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-glass-card {
  width: 100%;
  max-width: 1200px;
  background: rgba(247, 243, 234, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 28px;
  padding: clamp(36px, 4.5vw, 48px) clamp(36px, 5vw, 56px);
  box-shadow: 0 20px 50px rgba(14, 15, 18, 0.08), inset 0 0 0 1px rgba(255, 255, 255, 0.7);
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: heroFadeIn 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(44px, 5.5vw, 84px);
  font-weight: 600;
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--color-charcoal);
}

.hero-headline em.italic-serif {
  font-family: var(--font-serif-italic);
  font-style: italic;
  font-weight: 400;
  font-size: 0.98em;
  line-height: 1;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  padding-right: 4px;
}

.hero-description {
  font-family: var(--font-body);
  font-size: 1.125rem; /* 18px */
  color: #1F2937;
  font-weight: 500;
  line-height: 1.6;
}

/* CTAs Group */
.ctas-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.btn-primary-gradient {
  background: var(--grad-primary);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 26px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-glow);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.btn-primary-gradient:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-hover);
  background: var(--grad-primary-hover);
}

.btn-ghost-charcoal {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  color: var(--color-charcoal);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 22px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  border: 1.5px solid var(--color-charcoal);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.btn-ghost-charcoal:hover {
  background: var(--color-charcoal);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Social Proof */
.social-proof-line {
  font-size: 0.85rem;
  color: #1F2937;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}

.social-proof-line i {
  color: var(--color-teal);
  font-size: 0.95rem;
}

/* Hero Footer Line */
.hero-footer-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}

.hero-footer-line .footer-tag {
  color: var(--color-teal);
}

.hero-footer-line .footer-products {
  color: var(--color-charcoal-muted);
  font-weight: 600;
}

/* ==========================================================================
   COMMON SECTION STYLES
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 56px auto;
  background: rgba(247, 243, 234, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  padding: clamp(28px, 4vw, 40px) clamp(24px, 4vw, 48px);
  box-shadow: 0 20px 50px rgba(14, 15, 18, 0.08), inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-teal-dark);
  background: rgba(20, 184, 166, 0.16);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  border: 1px solid rgba(20, 184, 166, 0.25);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-charcoal);
  margin-bottom: 14px;
}

.section-title em {
  font-family: var(--font-serif-italic);
  font-style: italic;
  font-weight: 400;
  color: var(--color-teal);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-gray-text);
  line-height: 1.6;
}

/* Scroll Reveal Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   1. COMO FUNCIONA (3 PASSOS)
   ========================================================================== */
.how-it-works-section {
  padding: 100px 0;
  background: transparent;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.step-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(20, 184, 166, 0.4);
  background: rgba(255, 255, 255, 0.95);
}

.step-number-badge {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(20, 184, 166, 0.15);
  color: var(--color-teal);
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-charcoal);
}

.step-card p {
  font-size: 0.95rem;
  color: var(--color-gray-text);
  line-height: 1.6;
}

.step-card-preview {
  margin-top: auto;
  background: rgba(247, 243, 234, 0.85);
  border-radius: 10px;
  padding: 16px;
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.step-card-preview img {
  width: 54px;
  height: 54px;
  border-radius: 8px;
  object-fit: cover;
}

.step-preview-info h5 {
  font-size: 0.90rem;
  color: var(--color-charcoal);
  margin-bottom: 4px;
}

.step-preview-info span {
  font-size: 0.75rem;
  color: var(--color-teal-dark);
  font-weight: 600;
}

/* ==========================================================================
   2. THE ECOSYSTEM (PRODUCT FAMILY)
   ========================================================================== */
.ecosystem-section {
  padding: 110px 0;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.ecosystem-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.ecosystem-card {
  background: rgba(247, 243, 234, 0.90);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-card);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-card);
  padding: 40px 34px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ecosystem-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  background: rgba(255, 255, 255, 0.96);
}

.ecosystem-card.postpet-card {
  border-top: 5px solid var(--color-teal);
}

.ecosystem-card.prontpet-card {
  border-top: 5px solid var(--color-blue-prontpet);
}

.ecosystem-card.coming-soon-card {
  border: 2px dashed rgba(14, 15, 18, 0.25);
  background: rgba(247, 243, 234, 0.75);
}

.ecosystem-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.eco-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-charcoal);
}

.eco-logo .accent-teal { color: var(--color-teal); }
.eco-logo .accent-blue { color: var(--color-blue-prontpet); }

.eco-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.eco-badge.teal {
  background: rgba(20, 184, 166, 0.18);
  color: var(--color-teal-dark);
}

.eco-badge.blue {
  background: rgba(59, 130, 246, 0.18);
  color: #2563EB;
}

.eco-badge.gray {
  background: rgba(14, 15, 18, 0.10);
  color: var(--color-gray-subtle);
}

.ecosystem-card h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-charcoal);
}

.ecosystem-card p {
  font-size: 0.96rem;
  color: var(--color-gray-text);
  line-height: 1.6;
  margin-bottom: 24px;
}

.eco-feature-list {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.eco-feature-list li {
  font-size: 0.90rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-charcoal);
  font-weight: 500;
}

.eco-feature-list li i {
  color: var(--color-teal);
  font-size: 0.95rem;
}

.ecosystem-card.prontpet-card .eco-feature-list li i {
  color: var(--color-blue-prontpet);
}

.eco-card-cta {
  margin-top: auto;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s ease;
}

.eco-card-cta.btn-teal {
  background: var(--grad-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

.eco-card-cta.btn-teal:hover {
  background: var(--grad-primary-hover);
  transform: translateY(-2px);
}

.eco-card-cta.btn-blue {
  background: var(--grad-blue);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.eco-card-cta.btn-blue:hover {
  transform: translateY(-2px);
}

.eco-card-cta.btn-disabled {
  background: rgba(14, 15, 18, 0.08);
  color: var(--color-gray-subtle);
  cursor: not-allowed;
}

/* ==========================================================================
   3. FEATURES BENTO GRID
   ========================================================================== */
.features-bento-section {
  padding: 100px 0;
  background: transparent;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.bento-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-card);
  border: 1px solid rgba(255, 255, 255, 0.8);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: all 0.3s ease;
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(20, 184, 166, 0.4);
  background: rgba(255, 255, 255, 0.95);
}

.bento-span-7 { grid-column: span 7; }
.bento-span-5 { grid-column: span 5; }
.bento-span-4 { grid-column: span 4; }
.bento-span-8 { grid-column: span 8; }
.bento-span-6 { grid-column: span 6; }

.bento-header {
  margin-bottom: 20px;
}

.bento-header .bento-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(20, 184, 166, 0.15);
  color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.bento-header h4 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.bento-header p {
  font-size: 0.92rem;
  color: var(--color-gray-text);
  line-height: 1.5;
}

.bento-image-container {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(14, 15, 18, 0.08);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.bento-image-container img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   4. USE CASES (TABS)
   ========================================================================== */
.use-cases-section {
  padding: 100px 0;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.tabs-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.tab-btn {
  background: rgba(247, 243, 234, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid var(--color-border-light);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-charcoal);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.tab-btn.active {
  background: var(--color-charcoal);
  color: #FFFFFF;
  border-color: var(--color-charcoal);
  box-shadow: 0 4px 16px rgba(14, 15, 18, 0.15);
}

.tab-btn.active i {
  color: var(--color-teal);
}

.tab-content-panel {
  display: none;
}

.tab-content-panel.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.use-case-text h3 {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-charcoal);
}

.use-case-text p {
  font-size: 1rem;
  color: var(--color-gray-text);
  line-height: 1.6;
  margin-bottom: 24px;
}

.use-case-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.use-case-benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--color-charcoal);
}

.use-case-benefits li i {
  color: var(--color-teal);
}

.use-case-card-mockup {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-card);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.use-case-card-mockup img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 12px;
}

/* ==========================================================================
   5. STATS BAND (DARK CHARCOAL WITH BLUR)
   ========================================================================== */
.stats-band-section {
  padding: 70px 0;
  background-color: rgba(14, 15, 18, 0.94);
  backdrop-filter: blur(12px);
  color: #FFFFFF;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.stat-label {
  font-size: 0.92rem;
  color: var(--color-charcoal-muted);
  font-weight: 500;
}

/* ==========================================================================
   6. TESTIMONIALS
   ========================================================================== */
.testimonials-section {
  padding: 100px 0;
  background: transparent;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-card);
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  background: rgba(255, 255, 255, 0.96);
}

.test-stars {
  color: #F59E0B;
  font-size: 0.95rem;
  display: flex;
  gap: 4px;
}

.testimonial-card p {
  font-size: 0.95rem;
  color: var(--color-charcoal);
  line-height: 1.6;
  font-style: italic;
}

.test-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.test-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-teal);
}

.test-info h5 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-charcoal);
}

.test-info span {
  font-size: 0.80rem;
  color: var(--color-gray-subtle);
}

/* ==========================================================================
   7. PRICING
   ========================================================================== */
.pricing-section {
  padding: 110px 0;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.pricing-switch-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 50px;
}

.pricing-switch-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-charcoal-muted);
  cursor: pointer;
}

.pricing-switch-label.active {
  color: var(--color-charcoal);
  font-weight: 700;
}

.discount-tag {
  background: rgba(34, 197, 94, 0.15);
  color: #16A34A;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.switch-toggle {
  position: relative;
  width: 52px;
  height: 28px;
  display: inline-block;
}

.switch-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-round {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #D1D5DB;
  transition: 0.3s;
  border-radius: 34px;
}

.slider-round:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

input:checked + .slider-round {
  background: var(--color-teal);
}

input:checked + .slider-round:before {
  transform: translateX(24px);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: rgba(247, 243, 234, 0.90);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-card);
  padding: 40px 32px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--color-teal);
  box-shadow: 0 12px 36px rgba(20, 184, 166, 0.25);
  transform: scale(1.03);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-primary);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-glow);
  z-index: 2;
  white-space: nowrap;
}

.popular-badge.badge-free {
  background: linear-gradient(135deg, #059669 0%, #10B981 100%);
  color: #FFFFFF !important;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
  border: none;
}

.pricing-card h4 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-card .price-desc {
  font-size: 0.88rem;
  color: var(--color-gray-subtle);
  margin-bottom: 24px;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 28px;
}

.price-currency {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
}

.price-value {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
}

.price-period {
  font-size: 0.88rem;
  color: var(--color-gray-subtle);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.pricing-features li {
  font-size: 0.90rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-charcoal);
}

.pricing-features li i {
  color: var(--color-teal);
}

.btn-pricing {
  margin-top: auto;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  text-align: center;
  transition: all 0.2s ease;
}

.btn-pricing.outline {
  border: 1.5px solid var(--color-charcoal);
  color: var(--color-charcoal);
  background: rgba(255, 255, 255, 0.8);
}

.btn-pricing.outline:hover {
  background: var(--color-charcoal);
  color: #FFFFFF;
}

.btn-pricing.primary {
  background: var(--grad-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

.btn-pricing.primary:hover {
  background: var(--grad-primary-hover);
  transform: translateY(-2px);
}

/* ==========================================================================
   8. FAQ ACCORDION
   ========================================================================== */
.faq-section {
  padding: 100px 0;
  background: transparent;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-question-btn {
  width: 100%;
  background: transparent;
  border: none;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-charcoal);
  cursor: pointer;
  text-align: left;
}

.faq-question-btn i {
  color: var(--color-teal);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question-btn i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0 24px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--color-gray-text);
  line-height: 1.6;
  padding-bottom: 22px;
}

/* ==========================================================================
   9. FINAL CTA SECTION
   ========================================================================== */
.final-cta-section {
  padding: 100px 0;
  background: transparent;
}

.final-cta-card {
  background: var(--grad-cta);
  border-radius: 24px;
  padding: 64px 48px;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 40px;
  box-shadow: 0 20px 50px rgba(6, 78, 59, 0.25);
}

.final-cta-card h2 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
}

.final-cta-card h2 em {
  font-family: var(--font-serif-italic);
  font-style: italic;
  font-weight: 400;
  color: #34D399;
}

.final-cta-card p {
  font-size: 1.05rem;
  color: #A7F3D0;
  margin-bottom: 32px;
  max-width: 520px;
}

.final-cta-btn {
  background: #FFFFFF;
  color: #064E3B;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.25s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.final-cta-btn:hover {
  transform: translateY(-3px);
  background: #F0FDF4;
}

.final-cta-mockup img {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.4));
}

/* ==========================================================================
   10. FOOTER (DARK CHARCOAL)
   ========================================================================== */
.iriapet-footer {
  background-color: var(--color-charcoal);
  color: #FFFFFF;
  padding: 80px 0 40px 0;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 0.92rem;
  color: var(--color-charcoal-muted);
  line-height: 1.6;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul a {
  text-decoration: none;
  font-size: 0.90rem;
  color: var(--color-charcoal-muted);
  transition: color 0.2s ease;
}

.footer-col ul a:hover {
  color: var(--color-teal);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--color-charcoal-muted);
}

.footer-seal {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-teal);
  font-weight: 600;
}

/* ==========================================================================
   RESPONSIVE DESIGN (<= 768px)
   ========================================================================== */
@media (max-width: 768px) {
  .studio-header {
    height: 56px;
  }

  main.content {
    padding-top: 56px;
  }

  .badge-ecosystem {
    display: none;
  }

  .header-nav, .header-right .btn-ghost {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .btn-primary {
    padding: 8px 14px;
    font-size: 13px;
  }

  .hero {
    padding: 36px 0 54px 0;
  }

  .hero-glass-card {
    max-width: 100%;
    padding: 28px 20px;
    border-radius: 20px;
  }

  .section-header {
    padding: 24px 18px;
    border-radius: 18px;
    margin-bottom: 36px;
  }

  .hero-headline {
    font-size: clamp(34px, 9vw, 48px);
  }

  .ctas-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary-gradient,
  .btn-ghost-charcoal {
    width: 100%;
    justify-content: center;
  }

  .bento-span-7, .bento-span-5, .bento-span-4, .bento-span-8, .bento-span-6 {
    grid-column: span 12;
  }

  .tab-content-panel.active {
    grid-template-columns: 1fr;
  }

  .final-cta-card {
    grid-template-columns: 1fr;
    padding: 40px 24px;
    text-align: center;
  }

  .final-cta-card p {
    margin: 0 auto 28px auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ==========================================================================
   PAPERCUT PET ART - TEXTURED WATERMARK BACKGROUND FOR CARDS
   ========================================================================== */
.hero-glass-card,
.section-header,
.step-card,
.bento-card,
.pricing-card,
.faq-item,
.final-cta-card {
  position: relative;
}

.hero-glass-card::before,
.section-header::before,
.step-card::before,
.bento-card::before,
.pricing-card::before,
.faq-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: url('../assets/bg_cards_pet_art.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.16;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.35s ease;
}

.final-cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: url('../assets/bg_cards_pet_art.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.12;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.35s ease;
}

/* Hover highlights */
.hero-glass-card:hover::before,
.section-header:hover::before,
.step-card:hover::before,
.bento-card:hover::before,
.pricing-card:hover::before,
.faq-item:hover::before {
  opacity: 0.24;
}

.final-cta-card:hover::before {
  opacity: 0.18;
}

/* Continuous storytelling focal points across 3-card sequences */
.step-card:nth-child(1)::before,
.pricing-card:nth-child(1)::before {
  background-position: left center;
}

.step-card:nth-child(2)::before,
.pricing-card:nth-child(2)::before {
  background-position: center center;
}

.step-card:nth-child(3)::before,
.pricing-card:nth-child(3)::before {
  background-position: right center;
}

/* Bento grid variety */
.bento-card:nth-child(odd)::before {
  background-position: left center;
}
.bento-card:nth-child(even)::before {
  background-position: right center;
}

/* Ensure all children content layers sit cleanly above the watermark */
.hero-glass-card > *,
.section-header > *,
.step-card > *,
.bento-card > *,
.pricing-card > *,
.faq-item > *,
.final-cta-card > * {
  position: relative;
  z-index: 1;
}

.popular-badge {
  z-index: 2 !important;
}

/* ==========================================================================
   PAPERCUT PET ART - HEADER, STATS BAND (340%) & FOOTER
   ========================================================================== */
.stats-band-section,
.iriapet-footer {
  position: relative;
  overflow: hidden;
}

.studio-header {
  overflow: hidden;
}

.studio-header::before,
.stats-band-section::before,
.iriapet-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: url('../assets/bg_cards_pet_art.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.35s ease;
}

.studio-header:hover::before,
.stats-band-section:hover::before,
.iriapet-footer:hover::before {
  opacity: 0.22;
}

.studio-header > *,
.stats-band-section > *,
.iriapet-footer > * {
  position: relative;
  z-index: 1;
}

.studio-header::after {
  z-index: 2 !important;
}

/* ==========================================================================
   ACCESSIBILITY: PREFERS-REDUCED-MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .hero-glass-card,
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }

  .logo-spark {
    animation: none !important;
  }
}