/* ==========================================================================
   UTILIRO - DESIGN SYSTEM & STYLESHEET
   Aesthetics: Premium Dark Mode, Glassmorphism, Neon Gradients, Micro-Interactions
   ========================================================================== */

:root {
  --font-primary: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;

  /* Colors */
  --bg-dark: #08090e;
  --bg-card: rgba(18, 22, 34, 0.65);
  --bg-card-hover: rgba(26, 32, 50, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(99, 102, 241, 0.35);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-faint: #64748b;

  /* Brand Accents */
  --accent-cyan: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-violet: #a855f7;
  --accent-emerald: #10b981;

  --gradient-brand: linear-gradient(135deg, #38bdf8 0%, #6366f1 50%, #a855f7 100%);
  --gradient-glow: radial-gradient(circle at center, rgba(99, 102, 241, 0.15), transparent 70%);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Ambient Animated Glows */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(120px);
  opacity: 0.45;
  animation: floatAmbient 18s ease-in-out infinite alternate;
}

.glow-1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #6366f1, transparent);
  top: -150px;
  left: 20%;
}

.glow-2 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #38bdf8, transparent);
  top: 35%;
  right: -100px;
  animation-delay: -5s;
}

.glow-3 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #a855f7, transparent);
  bottom: 10%;
  left: -150px;
  animation-delay: -9s;
}

@keyframes floatAmbient {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.1); }
  100% { transform: translate(-30px, 40px) scale(0.95); }
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--border-glass-hover);
  box-shadow: 0 25px 50px rgba(99, 102, 241, 0.12);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(8, 9, 14, 0.75);
  border-bottom: 1px solid var(--border-glass);
  transition: all var(--transition-fast);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-icon {
  font-size: 1.3rem;
  background: rgba(99, 102, 241, 0.15);
  padding: 0.25rem 0.45rem;
  border-radius: 8px;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-main);
}

/* Hero Section */
.hero-section {
  padding: 5rem 0 4rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
  max-width: 900px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Interactive Phone Mockup */
.hero-preview-wrapper {
  width: 100%;
  max-width: 440px;
  margin: 0 auto 3.5rem;
  perspective: 1000px;
}

.phone-frame {
  padding: 1.25rem;
  border-radius: 36px;
  border: 2px solid rgba(255, 255, 255, 0.12);
  background: rgba(15, 18, 28, 0.85);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6), 0 0 40px rgba(99, 102, 241, 0.15);
}

.phone-notch {
  width: 110px;
  height: 16px;
  background: #000;
  margin: 0 auto 0.75rem;
  border-radius: 20px;
}

.phone-screen {
  background: #0d111a;
  border-radius: 24px;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  text-align: left;
}

.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 1rem;
}

.mock-tabs {
  display: flex;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.3rem;
  border-radius: 12px;
  margin-bottom: 1.25rem;
}

.mock-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-faint);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mock-tab.active {
  background: rgba(99, 102, 241, 0.25);
  color: #fff;
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.mock-card-inner {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.2rem;
  border-radius: 16px;
}

.mock-icon-badge {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.mock-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.mock-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 1rem;
}

.mock-meter {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.meter-bar {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 6px;
  transition: width 0.5s ease;
}

.mock-meta {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 500;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
  max-width: 800px;
}

.stat-card {
  padding: 1.5rem;
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Section Headings */
.section {
  padding: 5rem 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Apps Grid */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.app-card {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.app-card-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
}

.app-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color, #38bdf8);
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.app-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.app-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.55;
}

.app-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.app-features li {
  font-size: 0.88rem;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.app-features li::before {
  content: "✓";
  color: var(--accent-emerald);
  font-weight: 700;
}

.app-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status-pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  border-radius: 100px;
}

.status-ready {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

/* Philosophy Section */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.pillar-card {
  padding: 2.2rem;
  text-align: left;
}

.pillar-icon {
  font-size: 2.2rem;
  margin-bottom: 1.25rem;
}

.pillar-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

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

/* CTA Box */
.cta-box {
  padding: 4rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(26, 32, 54, 0.7), rgba(12, 15, 25, 0.9));
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.cta-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.cta-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto 2rem;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.input-glass {
  flex: 1;
  min-width: 220px;
  padding: 0.85rem 1.2rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  color: var(--text-main);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.input-glass:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.25);
}

.form-feedback {
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  min-height: 1.4rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-glass);
  background: #050608;
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  position: relative;
  z-index: 1;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 300px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent-emerald);
  margin-top: 0.5rem;
  font-weight: 600;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 2rem;
}

.footer-bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsiveness */
@media (max-width: 900px) {
  .hero-title {
    font-size: 2.6rem;
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-links {
    grid-template-columns: 1fr;
  }
  .newsletter-form {
    flex-direction: column;
  }
  .input-glass, .btn {
    width: 100%;
  }
}