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

:root {
  --primary: #6C3CE1;
  --secondary: #FF6B35;
  --accent: #00D4AA;
  --dark: #1A1A2E;
  --light: #F8F9FA;
  --gray: #8892A0;
  --gradient-hero: linear-gradient(135deg, #6C3CE1 0%, #FF6B35 100%);
  --gradient-accent: linear-gradient(135deg, #00D4AA 0%, #6C3CE1 100%);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  transition: box-shadow 0.3s;
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light);
}

.nav__logo span {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__links {
  display: flex;
  gap: 2rem;
}

.nav__links a {
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-hero);
  transition: width 0.3s;
}

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

.nav__links a:hover::after {
  width: 100%;
}

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

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--light);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 6rem 1.5rem 4rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 40%);
  animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -2%) rotate(1deg); }
  66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero__badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: var(--light);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.5rem;
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn--white {
  background: #fff;
  color: var(--primary);
}

.btn--primary {
  background: var(--gradient-hero);
  color: #fff;
}

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

.btn--outline:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== SECTIONS ===== */
.section {
  padding: 5rem 0;
}

.section--dark {
  background: var(--dark);
  color: var(--light);
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section__desc {
  max-width: 600px;
  margin: 0 auto;
  color: var(--gray);
  font-size: 1.05rem;
}

.section--dark .section__desc {
  color: rgba(255, 255, 255, 0.65);
}

/* ===== ABOUT POI ===== */
.about-poi__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-poi__visual {
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-poi__visual::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: poiSpin 4s linear infinite;
}

@keyframes poiSpin {
  from { transform: rotate(0deg) translateX(40px); }
  to { transform: rotate(360deg) translateX(40px); }
}

.about-poi__visual-icon {
  font-size: 4rem;
  z-index: 1;
}

.about-poi__text h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary);
}

.about-poi__text p {
  color: #555;
  margin-bottom: 1rem;
  line-height: 1.8;
}

/* ===== ABOUT CLUB ===== */
.club-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.club-feature {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}

.club-feature:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.club-feature__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.club-feature__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.club-feature__desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

/* ===== GALLERY ===== */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.gallery__item {
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.3s;
}

.gallery__item:hover {
  transform: scale(1.03);
}

.gallery__item:nth-child(1) { background: linear-gradient(135deg, #6C3CE1, #FF6B35); }
.gallery__item:nth-child(2) { background: linear-gradient(135deg, #00D4AA, #6C3CE1); }
.gallery__item:nth-child(3) { background: linear-gradient(135deg, #FF6B35, #00D4AA); }
.gallery__item:nth-child(4) { background: linear-gradient(135deg, #1A1A2E, #6C3CE1); }
.gallery__item:nth-child(5) { background: linear-gradient(135deg, #6C3CE1, #00D4AA); }
.gallery__item:nth-child(6) { background: linear-gradient(135deg, #FF6B35, #6C3CE1); }

.gallery__item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 46, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.gallery__item:hover .gallery__item-overlay {
  opacity: 1;
}

.gallery__item-label {
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

/* ===== JOIN ===== */
.join__content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.join__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 3rem 0;
}

.join__step {
  text-align: center;
}

.join__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-hero);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.join__step-title {
  font-family: var(--font-heading);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.join__step-desc {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--light);
  margin-bottom: 0.75rem;
}

.footer__brand span {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer__about {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer__heading {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--light);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  font-size: 0.9rem;
  transition: color 0.3s;
}

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

.footer__socials {
  display: flex;
  gap: 1rem;
}

.footer__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 1.1rem;
  transition: background 0.3s, border-color 0.3s;
}

.footer__social:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    padding: 5rem 2rem;
    gap: 1.5rem;
    transition: right 0.3s;
  }

  .nav__links.open {
    right: 0;
  }

  .nav__toggle {
    display: flex;
  }

  .about-poi__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .club-features {
    grid-template-columns: 1fr;
  }

  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .join__steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}