/* ===================================
   CSS Variables & Reset
   =================================== */

:root {
  /* Colors */
  --color-primary: #e91e63;
  --color-primary-dark: #c2185b;
  --color-secondary: #9c27b0;
  --color-accent: #ff4081;
  --color-dark: #1a1a1a;
  --color-dark-alt: #2d2d2d;
  --color-gray: #757575;
  --color-light-gray: #e0e0e0;
  --color-white: #ffffff;
  --color-bg: #fafafa;
  
  /* Typography */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-h1: 3rem;
  --font-size-h2: 2.5rem;
  --font-size-h3: 1.75rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --navbar-height: 70px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-primary);
  line-height: var(--line-height-base);
  color: var(--color-dark);
  background-color: var(--color-bg);
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===================================
   Utility Classes
   =================================== */

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* ===================================
   Navigation Bar
   =================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background-color: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

.navbar__brand {
  font-size: var(--font-size-large);
  font-weight: 700;
  color: var(--color-white);
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-xs);
}

.navbar__toggle-icon {
  width: 25px;
  height: 3px;
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

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

.navbar__link {
  color: var(--color-white);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  transition: all var(--transition-fast);
  position: relative;
}

.navbar__link:hover {
  color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.1);
}

.navbar__link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.navbar__link--active {
  color: var(--color-accent);
}

.navbar__link--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background-color: var(--color-accent);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  margin-top: var(--navbar-height);
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(233, 30, 99, 0.8), rgba(156, 39, 176, 0.8));
}

.hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  padding: var(--spacing-xl);
}

.hero__title {
  font-size: var(--font-size-h1);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  line-height: var(--line-height-heading);
}

.hero__tagline {
  font-size: var(--font-size-h3);
  font-weight: 300;
  margin-bottom: var(--spacing-xl);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero__cta {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--color-white);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-large);
  border-radius: 50px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
  background-color: var(--color-accent);
  color: var(--color-white);
}

.hero__cta:focus {
  outline: 3px solid var(--color-white);
  outline-offset: 4px;
}

/* ===================================
   Introduction Section
   =================================== */

.intro {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-white);
  text-align: center;
}

.intro__title {
  font-size: var(--font-size-h2);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.intro__text {
  font-size: var(--font-size-large);
  color: var(--color-gray);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===================================
   Events Section
   =================================== */

.events {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg);
}

.events__title {
  font-size: var(--font-size-h2);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.events__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.events__empty {
  text-align: center;
  padding: var(--spacing-xxl);
  font-size: var(--font-size-large);
  color: var(--color-gray);
}

/* Event Card Component */
.event-card {
  background-color: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.event-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.event-card:focus-within {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.event-card__image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.event-card__content {
  padding: var(--spacing-md);
}

.event-card__title {
  font-size: var(--font-size-h3);
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.event-card__date {
  font-size: var(--font-size-base);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.event-card__venue {
  font-size: var(--font-size-base);
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
}

.event-card__details-btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 6px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.event-card__details-btn:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.05);
}

.event-card__details-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.event-card__expanded {
  padding: 0 var(--spacing-md) var(--spacing-md);
  border-top: 1px solid var(--color-light-gray);
  margin-top: var(--spacing-md);
}

.event-card__description {
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
  line-height: 1.6;
}

.event-card__ticket-info {
  color: var(--color-gray);
  font-size: var(--font-size-small);
}

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

.about {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-white);
}

.about__title {
  font-size: var(--font-size-h2);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.about__content {
  display: grid;
  gap: var(--spacing-xl);
}

.about__subtitle {
  font-size: var(--font-size-h3);
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

.about__text p {
  margin-bottom: var(--spacing-md);
  color: var(--color-gray);
  line-height: 1.8;
}

.about__services-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.about__services-list li {
  padding: var(--spacing-sm);
  background-color: var(--color-bg);
  border-left: 4px solid var(--color-primary);
  color: var(--color-dark);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.about__stat {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-bg);
  border-radius: 12px;
}

.about__stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.about__stat-label {
  display: block;
  color: var(--color-gray);
  font-size: var(--font-size-base);
}

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

.contact {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg);
}

.contact__title {
  font-size: var(--font-size-h2);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.contact__content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
}

.contact__subtitle {
  font-size: var(--font-size-h3);
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact__detail {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.contact__detail-label {
  font-weight: 600;
  color: var(--color-dark);
}

.contact__detail-value {
  color: var(--color-gray);
}

.contact__detail-value a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.contact__detail-value a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Contact Form */
.contact__form {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

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

.form__label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-dark);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-light-gray);
  border-radius: 6px;
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form__input.error {
  border-color: #f44336;
}

.form__error {
  display: block;
  color: #f44336;
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
  min-height: 20px;
}

.form__submit {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-large);
  font-weight: 600;
  border-radius: 6px;
  transition: all var(--transition-normal);
  margin-top: var(--spacing-sm);
}

.form__submit:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.form__submit:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

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

.form__feedback {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: 6px;
  text-align: center;
}

.form__feedback.success {
  background-color: #4caf50;
  color: var(--color-white);
}

.form__feedback.error {
  background-color: #f44336;
  color: var(--color-white);
}

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

.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__title {
  font-size: var(--font-size-large);
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.footer__text {
  color: var(--color-light-gray);
  line-height: 1.8;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  color: var(--color-light-gray);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent);
  padding-left: var(--spacing-xs);
}

.footer__link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-dark-alt);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-accent);
  transform: translateY(-3px);
}

.footer__social-link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.footer__social-icon {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-dark-alt);
}

.footer__copyright {
  color: var(--color-light-gray);
  font-size: var(--font-size-small);
}