/* ============================================
   GroundTruthWX - Professional Weather Platform
   ============================================ */

/* CSS Variables */
:root {
  /* Colors - Storm-inspired palette */
  --color-primary: #2563eb;        /* Deep sky blue */
  --color-primary-dark: #1e40af;   /* Storm blue */
  --color-secondary: #f59e0b;      /* Lightning amber */
  --color-dark: #0f172a;           /* Storm cloud dark */
  --color-dark-80: rgba(15, 23, 42, 0.8);
  --color-gray: #1e293b;           /* Dark slate */
  --color-gray-light: #f1f5f9;     /* Light cloud */
  --color-white: #ffffff;
  --color-text: #334155;
  --color-text-light: #64748b;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);

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

  /* Layout */
  --container-width: 1200px;
  --border-radius: 0.5rem;
  --transition: all 0.3s ease;
}

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

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

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);
}

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

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

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

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

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

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

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

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

.bg-dark h2, .bg-dark h3, .bg-dark p {
  color: var(--color-white);
}

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

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-dark-80);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
}

.logo a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

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

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

.nav-links a {
  color: var(--color-white);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-secondary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Simple mobile - can enhance later */
  }
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  background-image:
    linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23334155" width="1200" height="600"/></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  padding: var(--spacing-xl) 0;
  margin-top: 70px;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(15, 23, 42, 0.5) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-logo {
  margin-bottom: var(--spacing-md);
}

.logo-main {
  max-width: 400px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

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

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-dark);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

/* ============================================
   Cards & Grid
   ============================================ */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.card {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.06);
}

.card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.card-highlight {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
  font-style: italic;
  margin-top: var(--spacing-sm);
}

/* ============================================
   Subscribe Section
   ============================================ */

.subscribe-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  text-align: center;
}

.subscribe-section h2,
.subscribe-section p {
  color: var(--color-white);
}

.subscribe-form {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 500px;
  margin: var(--spacing-md) auto 0;
  flex-wrap: wrap;
  justify-content: center;
}

.subscribe-form input[type="email"] {
  flex: 1;
  min-width: 250px;
  padding: 1rem 1.5rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius);
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.subscribe-form input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.subscribe-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.2);
}

.subscribe-form button {
  border: none;
  white-space: nowrap;
}

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

footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  text-align: center;
}

footer p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  margin-top: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-secondary);
  margin: 0 var(--spacing-sm);
}

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

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

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

@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .hero {
    min-height: 90vh;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-form input[type="email"] {
    min-width: 100%;
  }

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

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }

/* ============================================
   Chase Teaser Section
   ============================================ */

.chase-teaser {
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
  color: var(--color-white);
}

.chase-teaser h2,
.chase-teaser h3,
.chase-teaser p {
  color: var(--color-white);
}

.chase-teaser .lead {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.chase-details {
  display: grid;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.detail-item {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.detail-item h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

.detail-item ul {
  margin: var(--spacing-sm) 0;
  padding-left: 1.5rem;
}

.detail-item li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.cta-center {
  text-align: center;
  margin-top: var(--spacing-lg);
}

/* ============================================
   About Section Enhancements
   ============================================ */

.section-intro {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  font-weight: 500;
}

.about-content .lead {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.about-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.experience-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.highlight {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.highlight h3 {
  font-size: 1.125rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.highlight p {
  font-size: 0.95rem;
  margin: 0;
  color: var(--color-text-light);
}

.mission {
  background: rgba(37, 99, 235, 0.05);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-primary);
  font-size: 1.05rem;
  margin-top: var(--spacing-lg);
}

/* ============================================
   Contact Section
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.contact-item {
  background: var(--color-gray-light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
}

.contact-item h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-cta {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.contact-email {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.contact-email a {
  color: var(--color-primary);
  font-weight: 600;
}