:root {
  --blue: #0066cc; /* Apple Blue */
  --blue-d: #0044aa;
  --ink: #1d1d1f; /* Apple Charcoal */
  --muted: #86868b; /* Apple Muted Gray */
  --bg-color: #f5f5f7; /* Apple Off-white */
  --card-bg: rgba(255, 255, 255, 0.6); /* Translucent glass */
  --border-color: rgba(0, 0, 0, 0.08);
  --glass-border: rgba(255, 255, 255, 0.4);
  --font-main: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--ink);
  line-height: 1.5;
  letter-spacing: -0.011em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background Effects */
.bg-glow {
  position: absolute;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 102, 204, 0.04) 0%, rgba(255,255,255, 0) 70%);
  top: -300px;
  right: -300px;
  z-index: -1;
  pointer-events: none;
}
.bg-glow-2 {
  position: absolute;
  width: 1000px;
  height: 1000px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.03) 0%, rgba(255,255,255, 0) 70%);
  bottom: 0;
  left: -500px;
  z-index: -1;
  pointer-events: none;
}

/* Navigation */
nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0.5rem 5%;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px) -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  justify-self: start;
}

.tagline {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0.9;
  justify-self: center;
  margin: 0;
}

.tagline::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, #8b5cf6, var(--blue));
}

.tagline::after {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--blue), #8b5cf6);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-self: end;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  margin-left: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.8;
  transition: var(--transition);
}

.nav-links a:hover {
  opacity: 1;
}

.btn-primary {
  background: var(--blue);
  color: white !important;
  padding: 0.5rem 1.2rem;
  border-radius: 999px; /* Pill-shaped buttons like Apple */
  font-weight: 500;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--blue-d);
}

.btn-secondary {
  background: rgba(0, 0, 0, 0.04);
  color: var(--ink);
  padding: 0.5rem 1.2rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.85rem;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-secondary:hover {
  background: rgba(0, 0, 0, 0.08);
}

/* Hero Section */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 5%;
  padding-top: 80px;
}

.hero h1 {
  font-size: 3.5rem; /* More elegant refined size */
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 1rem;
  max-width: 800px;
  color: var(--ink);
  letter-spacing: -0.025em;
}

.text-gradient {
  background: linear-gradient(135deg, var(--blue), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--muted);
  margin-bottom: 2rem;
  max-width: 600px;
  letter-spacing: -0.015em;
}

.hero-btns {
  display: flex;
  gap: 1rem;
}

/* Features */
.features {
  padding: 5rem 5%;
}

.section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 3.5rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.bento-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(30px) saturate(120%);
  -webkit-backdrop-filter: blur(30px) saturate(120%);
  transition: var(--transition);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
}

.bento-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
}

.icon-box {
  width: 44px;
  height: 44px;
  background: rgba(0, 102, 204, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--blue);
}

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

.bento-card h3 {
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.bento-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.47;
}

/* Pricing */
.pricing {
  padding: 5rem 5%;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.price-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(30px) saturate(120%);
  -webkit-backdrop-filter: blur(30px) saturate(120%);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
}

.price-card:hover {
  background: rgba(255, 255, 255, 0.8);
}

.price-card.popular {
  border: 1.5px solid var(--blue);
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
}

.popular-badge {
  background: var(--blue);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  align-self: flex-start;
  margin-bottom: 1rem;
}

.price-tier {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.price-amount {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.price-amount span {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 400;
}

.price-features {
  list-style: none;
  margin-bottom: 2.5rem;
  flex-grow: 1;
}

.price-features li {
  color: var(--muted);
  margin-bottom: 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.price-features li::before {
  content: "✓";
  color: var(--blue);
  font-weight: bold;
}

.price-card .btn-primary, .price-card .btn-secondary {
  width: 100%;
  text-align: center;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 5%;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4rem;
}

/* Demo Page Specific */
.demo-container {
  padding-top: 100px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.demo-browser {
  width: 90%;
  max-width: 1100px;
  height: 70vh;
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
}

.browser-header {
  height: 40px;
  background: #f5f5f7;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.browser-content {
  flex-grow: 1;
  position: relative;
  background: #ffffff;
  color: #1d1d1f;
  padding: 3rem;
}

.browser-content h2 {
  font-size: 2.2rem;
  color: var(--ink);
  margin-bottom: 1rem;
}

.browser-content p {
  color: var(--muted);
  max-width: 600px;
  font-size: 1rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .nav-links { display: none; }
  .tagline { display: none; }
  nav { display: flex; justify-content: space-between; }
}