/* =============================================
   Let's Jam - Jekyll Site Styles
   ============================================= */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #1a1a2e;
  --color-accent: #e94560;
  --color-accent-hover: #d63050;
  --color-light: #ffffff;
  --color-text: #333333;
  --color-text-light: #cccccc;
  --color-bg: #f5f5f5;
  --color-dark-bg: #16213e;
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-accent-hover);
}

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

/* --- Header --- */
.site-header {
  background-color: var(--color-primary);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo img {
  height: 50px;
  width: auto;
}

.site-nav .nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.site-nav .nav-links a {
  color: var(--color-light);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-light);
  font-size: 1.5rem;
  cursor: pointer;
}

/* --- Hero Section (Home) --- */
.hero {
  background-color: var(--color-dark-bg);
  color: var(--color-light);
  text-align: center;
  padding: 4rem 1.5rem;
  position: relative;
  overflow: hidden;
}

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

.hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.hero .subtitle {
  font-size: 1.3rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.hero-image img {
  max-width: 500px;
  border-radius: 8px;
  margin: 2rem auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-light);
  padding: 0.8rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background-color 0.2s, transform 0.2s;
}

.btn:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-light);
  transform: translateY(-2px);
}

/* --- Sections --- */
.section {
  padding: 4rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-dark {
  background-color: var(--color-dark-bg);
  color: var(--color-light);
  max-width: 100%;
  padding: 4rem 1.5rem;
}

.section-dark .section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}

.section h3 {
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 400;
}

/* --- Jam Circles Grid --- */
.circles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.circle-card {
  background: var(--color-light);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.circle-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.circle-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.circle-card-body {
  padding: 1.5rem;
}

.circle-card-body h3 {
  text-align: left;
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

/* --- About Section --- */
.about-section {
  text-align: center;
}

.about-section p {
  max-width: 700px;
  margin: 0 auto 1.5rem;
  font-size: 1.1rem;
}

/* --- Page Layout --- */
.page-header {
  background-color: var(--color-dark-bg);
  color: var(--color-light);
  padding: 3rem 1.5rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
}

.page-hero {
  background-size: cover;
  background-position: center;
  color: var(--color-light);
  padding: 6rem 1.5rem;
  text-align: center;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

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

.page-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.page-body h2 {
  font-size: 1.8rem;
  margin: 2rem 0 1rem;
  color: var(--color-primary);
}

.page-body h3 {
  font-size: 1.3rem;
  margin: 1.5rem 0 0.5rem;
}

.page-body h4 {
  font-size: 1.1rem;
  margin: 1rem 0 0.5rem;
}

.page-body ul {
  margin: 0.5rem 0 1rem 1.5rem;
}

.page-body li {
  margin-bottom: 0.4rem;
}

.page-body p {
  margin-bottom: 1rem;
}

/* --- Jam Circle Page --- */
.jam-circle-header {
  background-color: var(--color-dark-bg);
  color: var(--color-light);
  padding: 3rem 1.5rem;
  text-align: center;
}

.jam-circle-header h1 {
  font-size: 2.5rem;
}

.jam-circle-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.jam-circle-image img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.jam-circle-details {
  background: var(--color-light);
  border-radius: 8px;
  padding: 2rem;
  margin-top: 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.jam-circle-details .detail {
  margin-bottom: 1rem;
}

.jam-circle-details .detail strong {
  color: var(--color-accent);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.jam-circle-nav {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
}

.circle-prev,
.circle-next {
  font-weight: 600;
}

/* --- Contact Page --- */
.contact-info {
  text-align: center;
  font-size: 1.2rem;
}

.contact-info a {
  font-weight: 600;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: 3rem 1.5rem 1rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-inner h3 {
  color: var(--color-light);
  margin-bottom: 1rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.5rem;
}

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

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

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

.footer-logo-img {
  max-width: 120px;
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0 0.5rem;
  font-size: 0.85rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .site-nav .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    padding: 1rem 1.5rem;
    gap: 0;
  }

  .site-nav .nav-links.open {
    display: flex;
  }

  .site-nav .nav-links li {
    padding: 0.5rem 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .subtitle {
    font-size: 1.1rem;
  }

  .page-header h1,
  .jam-circle-header h1 {
    font-size: 1.8rem;
  }
}