/* ===== APPLE-STYLE LAYOUT ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-md);
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: -0.022em;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Apple-style Typography */
h1, .h1 {
  font-size: var(--font-size-hero);
  font-weight: 700;
  line-height: 1.08349;
  letter-spacing: -0.003em;
  margin-bottom: var(--spacing-lg);
}

h2, .h2 {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  line-height: 1.16667;
  letter-spacing: .009em;
  margin-bottom: var(--spacing-md);
}

h3, .h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  line-height: 1.14286;
  letter-spacing: .007em;
  margin-bottom: var(--spacing-sm);
}

p {
  font-size: var(--font-size-md);
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: -0.022em;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Apple-style Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: 980px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: -0.003em;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background-color: var(--accent-blue);
  color: var(--text-primary);
}

.btn--primary:hover {
  background-color: #0077ed;
  transform: scale(1.02);
}

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

.btn--secondary:hover {
  background-color: rgba(0, 113, 227, 0.1);
}

/* Apple-style Cards */
.card {
  background: var(--bg-secondary);
  border-radius: 18px;
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  background: var(--bg-tertiary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Apple-style Grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Apple-style Section Spacing */
.section {
  padding: var(--spacing-xxxl) 0;
}

.section--compact {
  padding: var(--spacing-xxl) 0;
}

/* Apple-style Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-in {
  animation: fadeIn var(--transition-slow) forwards;
}

.scale-in {
  animation: scaleIn var(--transition-normal) forwards;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  h1, .h1 {
    font-size: 48px;
  }
  
  h2, .h2 {
    font-size: 36px;
  }
  
  .section {
    padding: var(--spacing-xxl) 0;
  }
}

@media (max-width: 480px) {
  h1, .h1 {
    font-size: 40px;
  }
  
  h2, .h2 {
    font-size: 32px;
  }
}