/* ===================================
   CLARITY FOR GMAIL - MARKETING SITE
   Fresh, minimal, modern design
   =================================== */

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

:root {
  /* Colors - Fresh palette */
  --color-bg: #fafbfc;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-accent: #8b5cf6;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);

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

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===================================
   NAVIGATION
   =================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(250, 251, 252, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-text);
  text-decoration: none;
}

.nav-logo svg {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-cta {
  background: var(--color-primary) !important;
  color: white !important;
  padding: 0.5rem 1.25rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--color-primary-hover) !important;
  transform: translateY(-1px);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.5;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  top: -200px;
  right: -200px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  bottom: -100px;
  left: -100px;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(30px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: white;
  color: var(--color-text);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
  border-color: rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid rgba(0, 0, 0, 0.1);
}

.btn-outline:hover {
  background: white;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-large {
  padding: 1.125rem 2rem;
  font-size: 1.125rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Floating Email Cards */
.hero-visual {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0.15;
  width: 100%;
  max-width: 1400px;
}

.email-card {
  position: absolute;
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 0.75rem;
  padding: 1rem;
  width: 280px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  animation: floatCard 15s ease-in-out infinite;
}

.card-actnow {
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.card-read {
  top: 20%;
  right: 10%;
  animation-delay: -5s;
}

.card-fyi {
  bottom: 20%;
  left: 8%;
  animation-delay: -10s;
}

.card-noise {
  bottom: 15%;
  right: 5%;
  animation-delay: -7s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.email-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.email-category {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.email-category.actnow {
  background: #fee2e2;
  color: #dc2626;
}

.email-category.read {
  background: #fef3c7;
  color: #d97706;
}

.email-category.fyi {
  background: #dbeafe;
  color: #2563eb;
}

.email-category.noise {
  background: #f3f4f6;
  color: #6b7280;
}

.email-time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.email-subject {
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.email-sender {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ===================================
   SECTIONS
   =================================== */

.section-title {
  font-size: 2.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 4rem;
}

/* How It Works */
.how-it-works {
  padding: 6rem 0;
  background: white;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Features Grid */
.features {
  padding: 6rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 4rem;
}

.feature-card {
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary);
}

.feature-large {
  grid-column: span 2;
}

.feature-accent {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-color: #93c5fd;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.feature-visual {
  margin-top: 1.5rem;
}

.privacy-shield {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border: 2px solid #86efac;
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
}

.shield-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.shield-text {
  font-weight: 600;
  color: #15803d;
}

.preset-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.pill {
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 0.375rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Providers */
.providers {
  padding: 6rem 0;
  background: white;
}

.providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.provider-card {
  background: white;
  border: 2px solid rgba(0, 0, 0, 0.06);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  position: relative;
  transition: all 0.3s;
}

.provider-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.provider-recommended {
  border-color: var(--color-success);
  background: linear-gradient(to bottom, #f0fdf4, white);
}

.provider-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-success);
  color: white;
  padding: 0.375rem 1rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.provider-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.provider-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.provider-price {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.provider-card p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.provider-features {
  list-style: none;
  text-align: left;
  margin-bottom: 1.5rem;
}

.provider-features li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text-muted);
}

.provider-features li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* Privacy Section */
.privacy-section {
  padding: 6rem 0;
}

.privacy-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.privacy-text h2 {
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.large-text {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.privacy-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.privacy-point {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.check-icon {
  width: 32px;
  height: 32px;
  background: var(--color-success);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.privacy-point strong {
  display: block;
  margin-bottom: 0.25rem;
}

.privacy-point p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.link-arrow {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
}

.link-arrow:hover {
  gap: 0.75rem;
}

.privacy-diagram {
  background: white;
  border: 2px solid rgba(0, 0, 0, 0.06);
  border-radius: 1rem;
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

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

.node-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 2px solid #93c5fd;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 0.75rem;
}

.node-label {
  font-weight: 600;
  font-size: 0.875rem;
}

.diagram-arrow {
  font-size: 2rem;
  color: var(--color-primary);
  font-weight: 700;
}

.diagram-no-arrow {
  text-align: center;
}

.crossed-arrow {
  font-size: 2rem;
  color: #ef4444;
  font-weight: 700;
}

.no-cloud-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* Social Proof */
.social-proof {
  padding: 4rem 0;
  background: white;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, #fafbfc 0%, #f3f4f6 100%);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 1rem;
}

.stat-big {
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  text-align: center;
}

.cta-content h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.cta-note {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Footer */
.footer {
  background: white;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.footer-logo svg {
  color: var(--color-primary);
}

.footer-brand p {
  color: var(--color-text-muted);
}

.footer-column h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.footer-column a {
  display: block;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-note {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }

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

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

@media (max-width: 768px) {
  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 0.875rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .hero-visual {
    display: none;
  }

  .section-title {
    font-size: 2rem;
  }

  .features-grid,
  .providers-grid {
    grid-template-columns: 1fr;
  }

  .feature-large {
    grid-column: span 1;
  }

  .privacy-diagram {
    flex-direction: column;
    gap: 1rem;
  }

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

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