:root {
  --color-primary: #f23030;
  --color-primary-hover: #d12222;
  --color-bg: #0a0a0a;
  --color-bg-alt: #141414;
  --color-bg-card: #1f1f1f;
  --color-text: #f3f4f6;
  --color-text-muted: #9ca3af;
  --font-sans: 'Inter', sans-serif;
  --font-heading: 'Oswald', sans-serif;
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
.logo {
  font-family: var(--font-heading);
  text-transform: uppercase;
}

.text-accent,
.logo-accent {
  color: var(--color-primary);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-description {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
}

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

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(242, 48, 48, 0.4);
}

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

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

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.2rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: padding 0.3s ease, background-color 0.3s ease;
  background-color: transparent;
  will-change: transform;
}

.header.scrolled {
  background-color: rgba(10, 10, 10, 0.95);
  padding: 1rem 0;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

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

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  transition: left 0.3s ease;
  z-index: 999;
}

.mobile-nav.active {
  left: 0;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-transform: uppercase;
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  height: 100vh;
  height: 100dvh;
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: center;
  background-image: url('https://images.unsplash.com/photo-1517836357463-d25dfeac3438?q=60&w=1200&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.6) 50%, rgba(10, 10, 10, 0.3) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  font-size: 5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
}

/* About Section */
.about {
  background-color: var(--color-bg-alt);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text .section-title {
  text-align: left;
  margin-bottom: 1.5rem;
}

.about-text .section-description {
  margin: 0 0 2rem;
  text-align: left;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-features li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.1rem;
}

.feature-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.about-image-wrapper {
  position: relative;
}

.about-image-bg {
  position: absolute;
  top: -20px;
  right: -20px;
  bottom: 20px;
  left: 20px;
  border: 2px solid var(--color-primary);
  z-index: 0;
}

.about-image {
  position: relative;
  z-index: 1;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  filter: grayscale(20%);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.about-image:hover {
  filter: grayscale(0%);
  transform: translateY(-5px);
}

/* Gallery Section */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.gallery-item {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 4px;
  filter: grayscale(50%);
  transition: filter 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.gallery-item:hover {
  filter: grayscale(0%);
  transform: scale(1.02);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

/* Plans Section */
.plans {
  background-color: var(--color-bg-alt);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  align-items: center;
}

.plan-card {
  background-color: var(--color-bg-card);
  padding: 3rem 2rem;
  border-radius: 8px;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}

.plan-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.plan-highlighted {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, var(--color-bg-card) 0%, rgba(242, 48, 48, 0.05) 100%);
  transform: scale(1.05);
}

.plan-highlighted:hover {
  transform: scale(1.05) translateY(-10px);
}

.plan-badge {
  position: absolute;
  top: 1.5rem;
  right: -2rem;
  background-color: var(--color-primary);
  color: #fff;
  padding: 0.25rem 3rem;
  transform: rotate(45deg);
  font-size: 0.8rem;
  font-weight: bold;
  text-transform: uppercase;
}

.plan-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.plan-price-wrapper {
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.plan-currency {
  font-size: 1.2rem;
  margin-top: 0.5rem;
}

.plan-price {
  font-size: 3.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
}

.plan-period {
  color: var(--color-text-muted);
  align-self: flex-end;
  margin-bottom: 0.5rem;
}

.plan-features {
  margin-bottom: 2.5rem;
  text-align: left;
}

.plan-features li {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.check-icon {
  color: var(--color-primary);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.plan-btn {
  width: 100%;
}

/* CTA Section */
.cta {
  position: relative;
  background-image: url('https://images.unsplash.com/photo-1506784365847-bbad939e9335?q=60&w=1200&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  padding: 8rem 0;
}

.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.8);
}

.cta-container {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 3rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background-color: #050505;
  padding-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-desc {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-bg-card);
  border-radius: 50%;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
  background-color: var(--color-primary);
  transform: translateY(-3px);
}

.footer-heading {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.contact-list svg {
  color: var(--color-primary);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.schedule-box {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: var(--color-bg-card);
  padding: 1.5rem;
  border-radius: 4px;
}

.schedule-box svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.schedule-day {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.schedule-time {
  color: var(--color-text-muted);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

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

.animate {
  animation: fadeIn 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-title {
    font-size: 4rem;
  }

  .about-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image-wrapper {
    max-width: 600px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .plan-highlighted {
    transform: scale(1);
  }

  .plan-highlighted:hover {
    transform: translateY(-10px);
  }
}

@media (max-width: 768px) {

  .nav-links,
  .header-actions .btn {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-title {
    font-size: 3rem;
  }

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

  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .btn-large {
    padding: 0.875rem 2rem;
  }

  .section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .cta-title {
    font-size: 2rem;
  }

  .footer-bottom .container {
    justify-content: center;
  }
}