/* Reinfource Landing Page CSS */

:root {
  --navy: #1A2B4A;
  --deep: #14223F;
  --teal: #00C9A7;
  --amber: #F5A623;
  --light: #F4F7FC;
  --paper: #F5F3EE;
  
  --font-family: "DM Sans", system-ui, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: transparent;
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography Details */
h1, h2, h3 {
  letter-spacing: -0.025em;
  font-weight: 700;
  line-height: 1.2;
}

/* Brand Text Styling */
.brand-text {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--light);
}

.brand-i {
  background: linear-gradient(to bottom, var(--light) 0%, var(--light) 8%, var(--teal) 8%, var(--teal) 21%, var(--light) 21%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--teal);
  color: white;
  border: 1px solid var(--teal);
}

.btn-primary:hover {
  background-color: #00b092;
  border-color: #00b092;
}

.btn-secondary {
  background-color: transparent;
  color: var(--light);
  border: 1px solid transparent;
}

.btn-secondary:hover {
  background-color: rgba(244, 247, 252, 0.1);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(20, 34, 63, 0.85); /* Deep translucent */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(244, 247, 252, 0.08); /* Light subtle border */
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Hero Section */
.hero {
  padding: 160px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-title {
  font-size: 4rem;
  max-width: 900px;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(244, 247, 252, 0.7);
  max-width: 600px;
  margin-bottom: 40px;
}

.hero-visual {
  margin-top: 64px;
  width: 100%;
  max-width: 1000px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
  background: var(--navy);
}

.hero-image {
  width: 100%;
  display: block;
  object-fit: cover;
}

/* Features */
.features {
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-row {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 120px;
}

.feature-row.reverse {
  flex-direction: row-reverse;
}

.feature-text {
  flex: 1;
}

.feature-text h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.feature-text p {
  font-size: 1.1rem;
  color: rgba(244, 247, 252, 0.7);
}

.feature-image {
  flex: 1;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  background: var(--navy);
  aspect-ratio: 16 / 9;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* CTA Section */
.cta-section {
  background: var(--navy);
  color: white;
  padding: 100px 24px;
  text-align: center;
}

.cta-section h2 {
  font-size: 3rem;
  margin-bottom: 40px;
  color: var(--light);
}

/* Footer */
.footer {
  background: var(--deep);
  color: rgba(244, 247, 252, 0.6);
  padding: 40px 24px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer .brand-text {
  color: var(--light);
}

/* Scroll-driven animations fallback & setup */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes grow {
      from {
        opacity: 0;
        transform: translateY(60px) scale(0.95);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }
    
    .scroller > .animated-element {
      animation: grow auto linear both;
      animation-timeline: view(block);
      animation-range: entry 10% cover 30%;
    }
  }
}

/* Fallback class for IntersectionObserver */
.animated-element.io-hidden {
  opacity: 0;
  transform: translateY(60px) scale(0.95);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animated-element.io-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-title {
    font-size: 3rem;
  }
  .feature-row, .feature-row.reverse {
    flex-direction: column;
    gap: 32px;
    margin-bottom: 80px;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .cta-section h2 {
    font-size: 2rem;
  }
}

/* Animated Grid Background */
.animated-grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: -1;
  perspective: 1000px;
  pointer-events: none;
  background-color: var(--deep);
}

#grid-canvas {
  position: absolute;
  bottom: -20%;
  left: -50%;
  width: 200%;
  height: 150%;
  transform: rotateX(70deg);
  transform-origin: center bottom;
  mask-image: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 80%);
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 80%);
}

/* Glassmorphism Placeholders */
.glass-placeholder {
  background: rgba(20, 34, 63, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 201, 167, 0.2);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 300px;
}

.hero-glass {
  height: 400px;
}

.feature-glass {
  height: 350px;
}

.glass-header {
  height: 32px;
  background: rgba(20, 34, 63, 0.6);
  border-bottom: 1px solid rgba(0, 201, 167, 0.1);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.header-title {
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.glass-body {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.split-body {
  flex-direction: row;
  padding: 0;
  gap: 0;
}

.skeleton-col {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.skeleton-col.sidebar {
  width: 30%;
  border-right: 1px solid rgba(0, 201, 167, 0.1);
  background: rgba(0, 0, 0, 0.1);
}

.skeleton-col.editor {
  width: 70%;
}

.skeleton-line {
  height: 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  width: 100%;
  animation: pulse 2s infinite ease-in-out;
}

.skeleton-line.w-90 { width: 90%; }
.skeleton-line.w-80 { width: 80%; }
.skeleton-line.w-70 { width: 70%; }
.skeleton-line.w-60 { width: 60%; }

.skeleton-box {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  border: 1px dashed rgba(0, 201, 167, 0.2);
}

.skeleton-timeline {
  height: 40px;
  background: rgba(0, 201, 167, 0.1);
  border-radius: 4px;
  margin-top: auto;
}

.chat-body {
  justify-content: flex-end;
}

.skeleton-chat {
  height: 36px;
  border-radius: 18px;
  margin-bottom: 8px;
}

.skeleton-chat.user {
  background: rgba(0, 201, 167, 0.2);
  width: 60%;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.skeleton-chat.ai {
  background: rgba(255, 255, 255, 0.05);
  width: 50%;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.skeleton-chat.ai-long {
  background: rgba(255, 255, 255, 0.05);
  width: 80%;
  height: 60px;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

.glass-label {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(0, 0, 0, 0.5);
  color: rgba(255, 255, 255, 0.5);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  pointer-events: none;
}

/* Brand Logo and Text Styles */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-text {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.025em;
  line-height: 1;
}

.brand-i {
  display: inline-block;
  background: linear-gradient(to bottom, var(--light) 0%, var(--light) 5%, var(--teal) 5%, var(--teal) 25%, var(--light) 25%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.app-logo {
  border-radius: 22.37%;
  background: var(--deep);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 40px rgba(20, 34, 63, 0.22), 0 4px 12px rgba(20, 34, 63, 0.12);
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border: 1px solid rgba(0, 201, 167, 0.15); /* optional nice border to pop in dark mode */
}

.app-logo-inner {
  width: 17px;
  height: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
}