:root {
  /* Apple-inspired Color Palette */
  --color-bg-body: #FFFFFF;
  --color-bg-alt: #F5F5F7;
  --color-text-main: #1D1D1F;
  --color-text-secondary: #86868B;
  --color-accent: #0071E3;
  --color-accent-hover: #0077ED;
  --color-border: #D2D2D7;
  --color-nav-bg: rgba(255, 255, 255, 0.8);

  /* Typography */
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";

  /* Spacing & Layout */
  --max-width: 980px;
  /* Classic Apple content width */
  --radius-button: 980px;
  --radius-card: 18px;
  --shadow-card: 2px 4px 12px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

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

body {
  font-family: --font-main;
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.47059;
  font-weight: 400;
  font-family: "SF Pro Text", "Myriad Set Pro", "SF Pro Icons", "Apple Legacy Chevron", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: var(--color-accent);
  transition: var(--transition);
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--color-text-main);
  margin-bottom: 0.5em;
}

h1 {
  font-size: 48px;
  line-height: 1.08349;
  letter-spacing: -0.003em;
}

h2 {
  font-size: 40px;
  line-height: 1.1;
}

p {
  color: var(--color-text-secondary);
  font-size: 17px;
  /* Apple standard body size */
  line-height: 1.47059;
  margin-bottom: 1em;
}

/* Layout Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 22px;
}

.section {
  padding: 100px 0;
}

.bg-alt {
  background-color: var(--color-bg-alt);
}

.text-center {
  text-align: center;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 44px;
  background: var(--color-nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 9999;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: var(--max-width);
  padding: 0 22px;
}

.nav-brand {
  font-weight: 600;
  color: var(--color-text-main);
  font-size: 18px;
  text-decoration: none !important;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-main);
  font-size: 12px;
  opacity: 0.8;
  text-decoration: none;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--color-accent);
  text-decoration: none;
}

/* Hero Section */
.hero {
  padding-top: 180px;
  padding-bottom: 120px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 56px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 24px;
  line-height: 1.33337;
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto 30px;
}

.cta-button {
  display: inline-block;
  background-color: var(--color-accent);
  color: #fff !important;
  padding: 12px 24px;
  border-radius: var(--radius-button);
  font-size: 17px;
  font-weight: 400;
  text-decoration: none;
  transition: transform 0.2s;
}

.cta-button:hover {
  background-color: var(--color-accent-hover);
  text-decoration: none;
  transform: scale(1.02);
}

/* Grid for Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.card {
  background: var(--color-bg-body);
  border-radius: var(--radius-card);
  padding: 40px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  text-align: left;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 4px 8px 20px rgba(0, 0, 0, 0.12);
}

.card img {
  transition: transform 0.3s ease;
}

.card:hover img {
  transform: scale(1.08);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-top: 10px;
}

.badge.available {
  background-color: #E5F9E7;
  color: #2DA94F;
}

.badge.coming-soon {
  background-color: #F5F5F7;
  color: var(--color-text-secondary);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text-main);
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-family: inherit;
  font-size: 17px;
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.2);
}

.submit-btn {
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  padding: 12px 30px;
  border-radius: var(--radius-button);
  font-size: 17px;
  cursor: pointer;
  transition: background 0.3s;
}

.submit-btn:hover {
  background-color: var(--color-accent-hover);
}

/* Footer */
footer {
  background-color: var(--color-bg-alt);
  padding: 50px 0;
  margin-top: auto;
  font-size: 12px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.copyright {
  color: var(--color-text-secondary);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 32px;
  }

  .section {
    padding: 60px 0;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .nav-content {
    flex-direction: column;
    gap: 10px;
  }

  .navbar {
    height: auto;
    padding: 10px 0;
  }
}