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

:root {
  --navy: #212121;
  --navy-light: #333333;
  --beige: #f7f7f7;
  --beige-dark: #e0e0e0;
  --white: #ffffff;
  --gold: #f9a825;
  --text: #212121;
  --text-light: #616161;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

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

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

/* ===== Typography ===== */
h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--navy);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 0.6rem auto 0;
}

/* ===== Navigation ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--navy);
  transition: box-shadow 0.3s;
}

header.scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--white);
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.nav-logo img {
  height: 40px;
  width: 40px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  padding: 4px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.8rem;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  transition: color 0.2s;
  font-family: 'Open Sans', Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-bottom: 2px;
}

.nav-links a:hover {
  color: var(--gold);
  border-bottom: 2px solid var(--gold);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.jpeg');
  background-size: cover;
  background-position: center 70%;
  filter: brightness(0.45);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem 1.5rem;
  max-width: 700px;
}

.hero-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  padding: 10px;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 0.8rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--gold);
  color: var(--white);
  font-family: 'Open Sans', Arial, sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background 0.2s, transform 0.2s;
}

.btn:hover {
  background: #f5b82e;
  transform: translateY(-1px);
}

/* ===== Sections ===== */
section {
  padding: 5rem 1.5rem;
}

.container {
  max-width: 960px;
  margin: 0 auto;
}

/* About */
.about {
  background: var(--beige);
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature {
  text-align: center;
  padding: 1.5rem;
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 0.8rem;
}

.feature h3 {
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.feature p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Instructors */
.instructors {
  background: var(--white);
}

.instructor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 750px;
  margin: 0 auto;
}

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

.instructor-img {
  width: 180px;
  height: 180px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--beige-dark);
}

.instructor-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructor-card h3 {
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 0.2rem;
}

.instructor-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Concerts */
.concerts {
  background: var(--white);
}

.concert-list {
  display: grid;
  gap: 1.2rem;
  max-width: 680px;
  margin: 0 auto;
}

.concert-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1.2rem 1.5rem;
  background: var(--beige);
  border-radius: 8px;
  border-left: 4px solid var(--gold);
}

.concert-date {
  flex-shrink: 0;
  text-align: center;
  min-width: 60px;
}

.concert-date .day {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.concert-date .month {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 1px;
}

.concert-info h3 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 0.2rem;
}

.concert-info p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Gallery */
.gallery {
  background: var(--beige);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.gallery-item {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* Calendar */
.calendar {
  background: var(--white);
}

.calendar-list {
  max-width: 680px;
  margin: 0 auto;
  list-style: none;
}

.calendar-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--beige-dark);
}

.cal-event {
  font-weight: 600;
  color: var(--navy);
}

.cal-date {
  font-size: 0.9rem;
  color: var(--text-light);
  white-space: nowrap;
}

/* Contact */
.contact {
  background: var(--navy);
  color: var(--white);
}

.contact .section-title {
  color: var(--white);
}

.contact .section-title::after {
  background: var(--gold);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  max-width: 700px;
  margin: 0 auto;
}

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

.contact-card h3 {
  color: var(--gold);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.contact-card p {
  opacity: 0.85;
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-card a {
  color: var(--gold);
}

.contact-card a:hover {
  text-decoration: underline;
}

/* ===== Footer ===== */
footer {
  background: #212121;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
}

/* ===== Lightbox ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 4px;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .nav-links.open {
    max-height: 400px;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

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

  .hero-logo {
    width: 90px;
    height: 90px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .concert-item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .concert-date {
    text-align: left;
    display: flex;
    gap: 0.4rem;
    align-items: baseline;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}