/* ============================================
   Grace Berman, LCSW - Newsletter Site
   Design: Bright Line
   ============================================ */

:root {
  --white: #ffffff;
  --off-white: #fafafa;
  --black: #18181b;
  --gray: #71717a;
  --accent: #8b5cf6;
  --accent-light: #c4b5fd;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  --border-radius: 0.5rem;
  --transition: all 0.2s ease;
}

/* ============================================
   Base Styles
   ============================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--black);
  background-color: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--black);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray);
}

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

a:hover {
  color: var(--accent);
}

strong {
  color: var(--black);
  font-weight: 600;
}

/* ============================================
   Layout
   ============================================ */

.container {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

main {
  flex: 1;
}

/* ============================================
   Header & Navigation
   ============================================ */

header {
  border-bottom: 1px solid var(--off-white);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  background-color: var(--white);
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.01em;
}

.logo:hover {
  color: var(--black);
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray);
}

nav a:hover,
nav a.active {
  color: var(--black);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  color: var(--black);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  color: var(--gray);
}

/* ============================================
   Stats Bar
   ============================================ */

.stats-bar {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   Newsletter Form
   ============================================ */

.newsletter-form {
  max-width: 480px;
  margin: 0 auto var(--spacing-lg);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  border: 2px solid var(--off-white);
  border-radius: var(--border-radius);
  background-color: var(--off-white);
  color: var(--black);
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-light);
  background-color: var(--white);
}

.form-input::placeholder {
  color: var(--gray);
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  width: 100%;
  background-color: var(--accent);
  color: var(--white);
  padding: var(--spacing-md) var(--spacing-md);
  font-size: 1.125rem;
}

.btn-primary:hover {
  background-color: #7c3aed;
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.form-note {
  font-size: 0.875rem;
  color: var(--gray);
  text-align: center;
  margin-top: var(--spacing-sm);
}

/* ============================================
   Content Sample
   ============================================ */

.content-sample {
  padding: var(--spacing-xl) 0;
  background-color: var(--off-white);
}

.sample-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.sample-header h2 {
  margin-bottom: var(--spacing-sm);
}

.sample-header p {
  font-size: 1.125rem;
  color: var(--gray);
}

.sample-content {
  background-color: var(--white);
  border: 1px solid #e4e4e7;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.sample-meta {
  font-size: 0.875rem;
  color: var(--gray);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--off-white);
}

.sample-content h3 {
  margin-bottom: var(--spacing-md);
}

.sample-content p {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--accent);
  margin-top: var(--spacing-md);
}

.read-more:hover {
  gap: var(--spacing-sm);
}

/* ============================================
   Social Proof
   ============================================ */

.social-proof {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.social-proof h2 {
  margin-bottom: var(--spacing-lg);
}

.testimonials {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.testimonial {
  background-color: var(--off-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: left;
}

.testimonial-text {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--black);
  margin-bottom: var(--spacing-sm);
  font-style: italic;
}

.testimonial-author {
  font-size: 0.875rem;
  color: var(--gray);
  font-style: normal;
}

/* ============================================
   Archive
   ============================================ */

.archive-header {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  text-align: center;
}

.archive-header h1 {
  margin-bottom: var(--spacing-sm);
}

.archive-header p {
  font-size: 1.125rem;
}

.archive-list {
  padding-bottom: var(--spacing-xl);
}

.issue {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--off-white);
}

.issue:last-child {
  border-bottom: none;
}

.issue-meta {
  font-size: 0.875rem;
  color: var(--gray);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.issue h3 {
  margin-bottom: var(--spacing-sm);
}

.issue h3 a {
  color: var(--black);
}

.issue h3 a:hover {
  color: var(--accent);
}

.issue-excerpt {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--gray);
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   About Page
   ============================================ */

.about-content {
  padding: var(--spacing-xl) 0;
}

.about-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.about-header h1 {
  margin-bottom: var(--spacing-md);
}

.about-body {
  max-width: 640px;
  margin: 0 auto;
}

.about-body p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: var(--spacing-md);
}

.about-body p:first-of-type {
  font-size: 1.25rem;
  color: var(--black);
}

.about-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--off-white);
}

.about-cta h2 {
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Footer
   ============================================ */

footer {
  border-top: 1px solid var(--off-white);
  padding: var(--spacing-lg) 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-text {
  font-size: 0.875rem;
  color: var(--gray);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--gray);
}

.footer-links a:hover {
  color: var(--black);
}

/* ============================================
   Mobile Responsive
   ============================================ */

@media (min-width: 768px) {
  .testimonials {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .mobile-menu-toggle {
    display: block;
  }

  nav {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--off-white);
    padding: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }

  nav.mobile-menu-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  nav ul {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }

  nav a {
    font-size: 1.125rem;
  }

  .stats-bar {
    gap: var(--spacing-md);
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* ============================================
   Utilities
   ============================================ */

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

.mb-0 {
  margin-bottom: 0;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}