/* ==========================================================================
   GRAYPLAY - REFINED MATTE BLUE DESIGN SYSTEM (CLEAN & NON-GLOWING)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette - Matte Slate Navy & Titanium */
  --bg-primary: #0b0f19;
  --bg-surface: #111827;
  --bg-card: #151f32;
  --bg-card-hover: #1a273f;
  --bg-elevated: #1e2c46;

  /* Matte Solid Blue Accents (No Neon Bloom) */
  --blue-primary: #2563eb;
  --blue-hover: #1d4ed8;
  --blue-active: #1e40af;
  --blue-soft: #3b82f6;
  --blue-subtle: #93c5fd;

  /* Crisp Hairline Matte Borders (No Glowing Rings) */
  --border-matte: #24324d;
  --border-matte-hover: #3b4d70;
  --border-subtle: #1c273c;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --text-white: #ffffff;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Soft Velvet Drop Shadows (Zero Harsh Neon Glow) */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.45);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Transitions */
  --trans-fast: 0.15s ease;
  --trans-base: 0.2s ease;
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-white);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
}

a {
  color: var(--blue-subtle);
  text-decoration: none;
  transition: color var(--trans-fast);
}

a:hover {
  color: var(--text-white);
}

code, kbd, pre {
  font-family: var(--font-mono);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--blue-subtle);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  margin-bottom: 14px;
  color: var(--text-white);
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Modern Matte Blue Navbar */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 15, 25, 0.94);
  border-bottom: 1px solid var(--border-matte);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--trans-base);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon-img {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-matte);
  object-fit: contain;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-tag {
  font-size: 0.6875rem;
  font-weight: 600;
  background: #1e293b;
  color: var(--blue-subtle);
  border: 1px solid var(--border-matte);
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--trans-fast);
}

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

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-toggle {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-matte);
  color: var(--text-white);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Button System (Clean Matte Finish) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--trans-fast);
  text-decoration: none;
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background-color: var(--blue-primary);
  color: #ffffff;
  border: 1px solid #3b82f6;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--blue-hover);
  border-color: #2563eb;
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-primary:active {
  background-color: var(--blue-active);
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-card);
  border: 1px solid var(--border-matte);
  color: var(--text-white);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-matte-hover);
  color: var(--text-white);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding: 70px 0 80px;
  position: relative;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  max-width: 920px;
  margin: 0 auto 20px;
  letter-spacing: -0.03em;
  color: var(--text-white);
}

.hero-title-accent {
  color: var(--blue-soft);
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--blue-soft);
}

/* App Mockup Frame (Clean Matte Finish) */
.hero-mockup-wrapper {
  margin-top: 48px;
  position: relative;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.hero-mockup-frame {
  background: var(--bg-surface);
  border: 1px solid var(--border-matte);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

.mockup-titlebar {
  background: #080c14;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.mockup-titlebar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.mockup-titlebar-buttons {
  display: flex;
  gap: 6px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}

.mockup-content {
  position: relative;
  background: #060910;
}

.mockup-banner-img {
  width: 100%;
  display: block;
  object-fit: cover;
}

/* ==========================================================================
   FEATURE CARDS GRID (MATTE FINISHED)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-matte);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--trans-base);
  position: relative;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-matte-hover);
  transform: translateY(-2px);
}

.feature-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: #1e293b;
  border: 1px solid var(--border-matte);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--blue-soft);
}

.feature-icon-wrapper svg {
  width: 22px;
  height: 22px;
}

.feature-title {
  font-size: 1.1875rem;
  margin-bottom: 10px;
  color: var(--text-white);
}

.feature-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.feature-tag-chip {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  background: #0f172a;
  border: 1px solid var(--border-subtle);
  padding: 3px 8px;
  border-radius: 4px;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ ACCORDION (MATTE FINISHED)
   ========================================================================== */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-matte);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--trans-fast);
}

.faq-question {
  width: 100%;
  padding: 18px 22px;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--blue-soft);
  transition: transform var(--trans-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
  padding: 0 22px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 22px 18px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #080c14;
  border-top: 1px solid var(--border-matte);
  padding: 60px 0 30px;
  color: var(--text-secondary);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-desc {
  margin-top: 14px;
  font-size: 0.875rem;
  max-width: 340px;
  line-height: 1.6;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--trans-fast);
}

.footer-link:hover {
  color: var(--blue-subtle);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #0b0f19;
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-matte);
    gap: 16px;
  }
  .nav-links.open {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}