/* ========================================
   MailMiner Website Styles
   Light Mode + Dark Mode Support
   ======================================== */

/* CSS Custom Properties */
:root {
  /* Light Mode (Default) */
  --bg-primary: #FFFFFF;
  --bg-card: #F5F5F5;
  --text-primary: #1A1A1A;
  --text-secondary: #666666;
  --border: #E0E0E0;
  --primary: #FF6B35;
  --primary-dark: #E55A2B;

  /* Spacing */
  --container-width: 1200px;
  --section-padding: 80px 0;
  --card-padding: 32px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-h1: 56px;
  --font-size-h2: 36px;
  --font-size-h3: 24px;
  --font-size-body: 16px;
  --font-size-small: 14px;

  /* Effects */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --border-radius: 8px;
  --border-radius-sm: 4px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1A1A1A;
    --bg-card: #2D2D2D;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border: #3D3D3D;
  }
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

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

h1 {
  font-size: var(--font-size-h1);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 700;
  line-height: 1.2;
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  line-height: 1.3;
}

p {
  color: var(--text-secondary);
}

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

.text-primary {
  color: var(--primary);
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Navigation
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: #F5F5F5;
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

@media (prefers-color-scheme: dark) {
  .nav {
    background-color: #6d6d6d;
  }
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-primary);
  font-size: var(--font-size-body);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-cta {
  margin-left: 16px;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: var(--font-size-body);
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: scale(1.02);
  color: #FFFFFF;
}

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

.btn-secondary:hover {
  background-color: var(--primary);
  color: #FFFFFF;
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-small);
}

/* ========================================
   Cards
   ======================================== */

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--card-padding);
  transition: border-color var(--transition-normal);
}

.card:hover {
  border-color: var(--primary);
}

.card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  font-size: var(--font-size-body);
}

/* ========================================
   Grid Layouts
   ======================================== */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}

@media (max-width: 968px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-2 {
    grid-template-columns: 1fr;
  }
}

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

.hero {
  padding: 160px 0 100px;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ========================================
   Value Props / Features
   ======================================== */

.value-props {
  background-color: var(--bg-card);
}

.value-prop-card {
  text-align: center;
}

.value-prop-card .card-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.value-prop-card h3 {
  margin-bottom: 8px;
}

/* ========================================
   Page Header
   ======================================== */

.page-header {
  padding: 140px 0 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  margin-bottom: 16px;
}

.page-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 18px;
}

/* ========================================
   Forms
   ======================================== */

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--font-size-body);
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* ========================================
   Pricing Cards
   ======================================== */

.pricing-card {
  text-align: center;
  padding: 48px 32px;
}

.pricing-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pricing-card .price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.pricing-card .description {
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.pricing-card ul {
  text-align: left;
  margin-bottom: 32px;
}

.pricing-card li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.pricing-card li:last-child {
  border-bottom: none;
}

.pricing-card .btn {
  width: 100%;
}

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

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-small);
}

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

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

/* ========================================
   Solutions Page
   ======================================== */

.solution-card {
  display: flex;
  flex-direction: column;
}

.solution-card h3 {
  margin-bottom: 12px;
}

/* ========================================
   Contact Page
   ======================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info p {
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.contact-item strong {
  color: var(--text-primary);
}

.contact-form {
  background-color: var(--bg-card);
  padding: 40px;
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
}

.contact-form h3 {
  margin-bottom: 24px;
}

/* ========================================
   Success Message
   ======================================== */

.success-message {
  text-align: center;
  padding: 60px 40px;
  background-color: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
}

.success-message .icon {
  font-size: 64px;
  margin-bottom: 24px;
}

.success-message h3 {
  margin-bottom: 12px;
}

/* ========================================
   Utility Classes
   ======================================== */

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

.mt-24 {
  margin-top: 24px;
}

.mt-48 {
  margin-top: 48px;
}

.mb-24 {
  margin-bottom: 24px;
}

.mb-48 {
  margin-bottom: 48px;
}

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

@media (max-width: 768px) {
  :root {
    --font-size-h1: 40px;
    --font-size-h2: 28px;
    --font-size-h3: 20px;
    --section-padding: 60px 0;
  }

  .nav-links {
    gap: 16px;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-cta {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .nav {
    padding: 12px 0;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  :root {
    --font-size-h1: 32px;
    --font-size-h2: 24px;
  }
}