/* 🌊 Coastal Lotto Australia CSS */
/* Unique Architecture: CSS Grid + Flexbox + Ocean Transforms + Wave Animations */

/* ===== COASTAL COLOR PALETTE ===== */
:root {
  /* Ocean Blues */
  --deep-ocean: #003d5b;
  --ocean-blue: #0074a6;
  --surf-blue: #30a9de;
  --wave-foam: #87ceeb;

  /* Sandy Beiges */
  --golden-sand: #f4d03f;
  --warm-sand: #f5deb3;
  --shell-beige: #f7f3e9;

  /* Coral Accents */
  --coral-pink: #ff6b6b;
  --sunset-coral: #ff8e53;
  --soft-coral: #ffb3ba;

  /* Supporting Colors */
  --seafoam-green: #20b2aa;
  --tide-white: #fafffe;
  --driftwood-brown: #8b7355;
  --seaweed-dark: #2f4f4f;

  /* Animation Variables */
  --wave-duration: 3s;
  --tide-duration: 6s;
  --ripple-duration: 2s;

  /* Responsive Spacing */
  --mobile-padding: 0.75rem;
  --tablet-padding: 1.5rem;
  --desktop-padding: 2rem;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Georgia', 'Roboto', Arial, sans-serif;
  line-height: 1.6;
  color: var(--seaweed-dark);
  background: linear-gradient(135deg, var(--wave-foam) 0%, var(--surf-blue) 50%, var(--deep-ocean) 100%);
  background-attachment: fixed;
  animation: oceanTide var(--tide-duration) ease-in-out infinite alternate;
  overflow-x: hidden;
}

/* ===== OCEAN ANIMATIONS ===== */
@keyframes oceanTide {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

@keyframes waveFlow {
  0%, 100% { transform: translateX(0) rotate(0deg); }
  25% { transform: translateX(10px) rotate(1deg); }
  75% { transform: translateX(-10px) rotate(-1deg); }
}

@keyframes rippleEffect {
  0% { transform: scale(1) rotate(0deg); opacity: 1; }
  50% { transform: scale(1.1) rotate(180deg); opacity: 0.8; }
  100% { transform: scale(1) rotate(360deg); opacity: 1; }
}

/* ===== GRID LAYOUT SYSTEM ===== */
.page-container {
  display: grid;
  grid-template-areas:
    "header"
    "main"
    "footer";
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 30px rgba(0, 61, 91, 0.3);
  border-radius: 15px;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

/* ===== HEADER COASTAL STYLING ===== */
.header {
  grid-area: header;
  background: linear-gradient(45deg, var(--deep-ocean), var(--ocean-blue));
  color: var(--tide-white);
  padding: var(--mobile-padding);
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: waveFlow var(--wave-duration) ease-in-out infinite;
}

/* Navigation Ocean Theme */
.nav-menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--golden-sand);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--tide-white);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  background: linear-gradient(45deg, var(--coral-pink), var(--sunset-coral));
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-links a:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
}

.nav-links a::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3), transparent);
  transition: all 0.3s ease;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.nav-links a:hover::before {
  width: 100px;
  height: 100px;
}

/* ===== MAIN CONTENT OCEAN LAYOUT ===== */
.main-content {
  grid-area: main;
  padding: var(--mobile-padding);
  background: linear-gradient(180deg, var(--shell-beige) 0%, var(--tide-white) 100%);
}

/* Hero Section with Ocean Theme */
.hero-section {
  text-align: center;
  padding: 3rem var(--mobile-padding);
  margin-bottom: 3rem;
  background: linear-gradient(135deg, var(--warm-sand), var(--golden-sand));
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 61, 91, 0.2);
}

.hero-section::before {
  content: '🌊';
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 3rem;
  opacity: 0.3;
  animation: waveFlow var(--wave-duration) ease-in-out infinite;
}

.hero-title {
  font-size: 2.5rem;
  color: var(--deep-ocean);
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--seaweed-dark);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== COASTAL FEATURES GRID ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.feature-card {
  background: linear-gradient(135deg, var(--tide-white), var(--shell-beige));
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 116, 166, 0.15);
  border: 2px solid var(--wave-foam);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(48, 169, 222, 0.1), transparent);
  transition: all 0.3s ease;
  border-radius: 50%;
  transform: scale(0);
}

.feature-card:hover::before {
  transform: scale(1);
}

.feature-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 15px 40px rgba(0, 116, 166, 0.25);
  border-color: var(--coral-pink);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
  animation: rippleEffect var(--ripple-duration) ease-in-out infinite;
}

.feature-title {
  font-size: 1.5rem;
  color: var(--deep-ocean);
  margin-bottom: 1rem;
  font-weight: bold;
}

.feature-description {
  color: var(--seaweed-dark);
  line-height: 1.6;
}

/* ===== FORMS COASTAL STYLING ===== */
.coastal-form {
  background: linear-gradient(135deg, var(--shell-beige), var(--tide-white));
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(32, 178, 170, 0.2);
  border: 2px solid var(--seafoam-green);
  max-width: 600px;
  margin: 2rem auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--deep-ocean);
  font-weight: bold;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--wave-foam);
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: var(--tide-white);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--coral-pink);
  box-shadow: 0 0 10px rgba(255, 107, 107, 0.3);
  transform: scale(1.02);
}

.ocean-button {
  background: linear-gradient(45deg, var(--seafoam-green), var(--surf-blue));
  color: var(--tide-white);
  border: none;
  padding: 1rem 2rem;
  border-radius: 25px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(32, 178, 170, 0.3);
}

.ocean-button:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 25px rgba(32, 178, 170, 0.4);
}

.ocean-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3), transparent);
  transition: all 0.3s ease;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.ocean-button:hover::before {
  width: 200px;
  height: 200px;
}

/* ===== FOOTER COASTAL STYLING ===== */
.footer {
  grid-area: footer;
  background: linear-gradient(45deg, var(--seaweed-dark), var(--deep-ocean));
  color: var(--tide-white);
  padding: 2rem var(--mobile-padding);
  text-align: center;
}

/* Organization Logos - Mobile Fix */
.org-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.footer-orgs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.org-logo img {
  height: 40px;
  filter: brightness(0) invert(1);
  opacity: 0.8;
  transition: all 0.3s ease;
}

.org-logo img:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* ===== RESPONSIVE DESIGN ===== */
/* Mobile First (default styles above) */

/* Tablet Styles */
@media (min-width: 768px) {
  .page-container {
    margin: 1rem auto;
  }

  .header,
  .main-content {
    padding: var(--tablet-padding);
  }

  .hero-section {
    padding: 4rem var(--tablet-padding);
  }

  .nav-menu {
    flex-wrap: nowrap;
  }

  .hero-title {
    font-size: 3rem;
  }

  /* Switch to grid for logos on tablet+ */
  .org-logos,
  .footer-orgs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 1.5rem;
    max-width: 600px;
    margin: 1rem auto;
  }
}

/* Desktop Styles */
@media (min-width: 1024px) {
  .header,
  .main-content {
    padding: var(--desktop-padding);
  }

  .hero-section {
    padding: 5rem var(--desktop-padding);
  }

  .hero-title {
    font-size: 3.5rem;
  }

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

  .page-container {
    margin: 2rem auto;
  }
}

/* ===== ACCESSIBILITY & UTILITIES ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-coral { color: var(--coral-pink); }
.text-ocean { color: var(--deep-ocean); }
.bg-sand { background-color: var(--golden-sand); }

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --deep-ocean: #000000;
    --tide-white: #ffffff;
    --coral-pink: #ff0000;
  }
}