/* Global Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--color-background);
  color: var(--color-on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-on-surface);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-on-surface-variant);
}

ul,
ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-on-surface-variant);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.d-flex {
  display: flex;
}

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

.justify-center {
  justify-content: center;
}

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

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

.gap-lg {
  gap: var(--spacing-lg);
}

/* Components */
/* Header */
header {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--spacing-md) 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-links a {
  font-weight: 500;
  color: var(--color-on-surface-variant);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-on-secondary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-secondary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
  background-color: var(--color-surface-variant);
}

/* Sections */
/* Hero Section */
.hero {
  padding: var(--spacing-xxxl) 0;
  background: linear-gradient(180deg, var(--color-background-gradient-start) 0%, var(--color-background-gradient-end) 100%), url('../img/hero-bg.svg');
  background-size: cover;
  background-position: center bottom;
  background-repeat: no-repeat;
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-xxxl);
  position: relative;
  z-index: 2;
}

.hero-text {
  text-align: left;
}

.hero-text h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  line-height: 1.1;
}

.hero-text p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xxl);
  color: var(--color-on-surface-variant);
  max-width: 90%;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  width: 100%;
  height: auto;
  max-width: 550px;
  /* Gentle floating animation */
  animation: float 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(94, 24, 44, 0.15));
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* Features Section */
.features {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--color-surface);
}

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

.feature-card {
  background-color: var(--color-background);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
  opacity: 0;
  /* For animation */
  animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) {
  animation-delay: 0.1s;
}

.feature-card:nth-child(2) {
  animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
  animation-delay: 0.3s;
}

.feature-card:nth-child(4) {
  animation-delay: 0.4s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  display: inline-block;
}

.feature-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cards (for Content Pages) */
.page-content {
  padding: var(--spacing-xxxl) 0;
}

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--color-border-light);
}

.card h2 {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-surface-variant);
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.card h3 {
  margin-top: var(--spacing-xl);
  color: var(--color-on-surface);
}

/* Footer */
footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--spacing-xxl) 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.copyright {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

/* Responsiveness */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .hero-text {
    text-align: center;
    order: 2; /* Text below image on mobile usually, or above? Let's keep it standard: Text then Image, or Image then Text. Usually Hero image is visual hook. */
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-text .d-flex {
    justify-content: center;
  }

  .hero-image {
    order: 1;
    margin-bottom: var(--spacing-md);
  }

  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .card {
    padding: var(--spacing-lg);
  }
}