/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700\u0026display=swap');

/* Disable text selection globally */
html, body, * {
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

a, button {
  -webkit-user-select: auto;
  -ms-user-select: auto;
  user-select: auto;
}

:root {
  --bg-color: #0a0a0f;
  --bg-secondary: #050508;
  --surface-color: rgba(20, 20, 25, 0.8);
  --surface-hover: rgba(30, 30, 35, 0.9);
  --primary-accent: #ffffff;
  --primary-accent-hover: #e8e8e8;
  --primary-accent-light: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #b0b0b8;
  --text-tertiary: #808088;
  --shadow-color: rgba(255, 255, 255, 0.08);
  --border-color: rgba(255, 255, 255, 0.1);
  --danger: #ff4444;
  --warning: # #ffbb33;
  --success: #00c851;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-smooth: 0.6s ease-out;
}

html, body {
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, #0a0a0f 0%, #050508 100%);
  color: var(--text-primary);
  line-height: 1.7;
}

.logo {
  max-width: 150px;
  margin-bottom: 20px;
}

/* ===== NAV BAR ===== */
.navbar {
  background: rgba(10, 10, 15, 0.8);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 20px;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: 0 4px 24px var(--shadow-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.nav-logo {
  color: var(--primary-accent);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-normal);
}

.nav-logo:hover {
  color: var(--text-secondary);
  transform: scale(1.05);
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 5px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-item > a,
.dropdown-toggle {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 10px 16px;
  border-radius: 8px;
  transition: all var(--transition-normal);
  font-weight: 500;
  display: inline-block;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dropdown-toggle i {
  font-size: 0.75rem;
  transition: transform var(--transition-normal);
}

.nav-item:hover > a,
.nav-item:hover > .dropdown-toggle {
  background: var(--primary-accent-light);
  color: var(--primary-accent);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(15, 15, 20, 0.98);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  min-width: 220px;
  padding: 8px 0;
  margin-top: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 1001;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 12px 20px;
  display: block;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.dropdown-item:hover {
  background: var(--primary-accent-light);
  color: var(--primary-accent);
}

/* Language Switcher */
.language-switcher {
  display: flex;
  gap: 8px;
  margin-left: 15px;
  border-left: 1px solid var(--border-color);
  padding-left: 15px;
}

.lang-btn {
  background: var(--primary-accent-light);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--primary-accent);
}

.lang-btn.active {
  background: var(--primary-accent);
  color: var(--bg-color);
  border-color: var(--primary-accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  background: none;
  border: none;
  transition: all var(--transition-normal);
}

.menu-toggle:hover {
  color: var(--primary-accent);
}

/* ===== SPLASH SCREEN ===== */
.splash-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0a0a0f 0%, #050508 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out;
}

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

.splash-logo {
  max-width: 150px;
  margin-bottom: 20px;
  animation: float 3s ease-in-out infinite;
}

.splash-title {
  font-size: 2.5rem;
  color: var(--primary-accent);
  margin: 10px 0;
}

.splash-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.splash-loader {
  width: 200px;
  height: 4px;
  background: var(--surface-color);
  border-radius: 10px;
  margin: 30px auto;
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-accent), var(--text-secondary));
  border-radius: 10px;
  animation: loading 2s ease-in-out;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes loading {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* ===== HEADER / HERO ===== */
header {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(10, 10, 15, 1) 40%, rgba(20, 20, 25, 0.8) 100%);
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  padding-top: 60px;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-content {
  position: relative;
  z-index: 2;
  padding: 80px 20px;
  max-width: 900px;
  margin: 0 auto;
}

header h1 {
  font-size: 4rem;
  margin: 0;
  color: var(--primary-accent);
  animation: fadeInUp 0.8s ease-out;
  letter-spacing: -2px;
  text-shadow: 0 2px 20px rgba(255, 255, 255, 0.1);
}

header p {
  font-size: 1.2rem;
  margin-top: 20px;
  color: var(--text-secondary);
  animation: fadeInUp 0.8s ease-out 0.2s;
  animation-fill-mode: backwards;
  line-height: 1.8;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  margin-top: 25px;
  padding: 14px 40px;
  background: var(--primary-accent);
  color: var(--bg-color);
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid var(--primary-accent);
  font-family: inherit;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  background: var(--bg-color);
  color: var(--primary-accent);
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 10px 30px var(--shadow-color);
}

/* ===== WHY ZEROMIX SECTION ===== */
.whyzeromix-section {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(10, 10, 15, 1) 50%, rgba(20, 20, 25, 0.9) 100%);
  border-radius: 24px;
  box-shadow: 0 8px 32px 0 var(--shadow-color);
  margin-top: 40px;
  margin-bottom: 40px;
  padding: 60px 20px 40px 20px;
  border: 1px solid var(--border-color);
}

.whyzeromix-section h2 {
  margin-top: 0;
  text-align: center;
  color: var(--primary-accent);
}

.whyzeromix-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-item {
 padding: 30px 25px;
  border-left: 3px solid var(--primary-accent);
  transition: all var(--transition-normal);
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
}

.feature-item:hover {
  padding-left: 35px;
  transform: translateX(5px);
  background: rgba(255, 255, 255, 0.05);
}

.feature-item h3 {
  margin: 0 0 15px 0;
  color: var(--primary-accent);
  font-size: 1.25rem;
}

.feature-item p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

.feature-item a {
  color: var(--primary-accent);
  text-decoration: underline;
  font-weight: 500;
  transition: color var(--transition-normal);
}

.feature-item a:hover {
  color: var(--text-secondary);
}

/* ===== SECTIONS ===== */
section {
  padding: 100px 20px;
  max-width: 1200px;
  margin: auto;
}

section h2 {
  text-align: center;
  margin-bottom: 60px;
  color: var(--primary-accent);
  font-size: 2.8rem;
  position: relative;
  padding-bottom: 20px;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary-accent), transparent);
}

/* ===== CARDS ===== */
.card {
  background: var(--surface-color);
  padding: 30px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-8px);
  background: var(--surface-hover);
  box-shadow: 0 12px 40px var(--shadow-color);
  border-color: rgba(255, 255, 255, 0.2);
}

.card h3 {
  margin-top: 0;
  color: var(--primary-accent);
  font-size: 1.3rem;
}

.card p {
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ===== INSTALLATION STEPS ===== */
.install-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.install-steps > div {
  background: var(--surface-color);
  padding: 40px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
}

.install-steps > div::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-accent);
  border-radius: 16px 16px 0 0;
}

.install-steps > div:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px var(--shadow-color);
}

.install-steps h3 {
  color: var(--primary-accent);
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.install-steps ol {
  padding-left: 20px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.install-steps li {
  margin-bottom: 15px;
  color: var(--text-secondary);
}

.install-steps code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--primary-accent);
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
}

/* ===== SCREENSHOT GRID (Replacing Swiper) ===== */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 40px auto;
  padding: 20px;
}

.screenshot-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-normal);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
}

.screenshot-item:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 16px 48px rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

.screenshot-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-normal);
}

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

/* Grid layout for 4 images: 3 on top, 1 centered below */
.screenshots-grid.four-images {
  grid-template-columns: repeat(3, 1fr);
}

.screenshots-grid.four-images .screenshot-item:nth-child(4) {
  grid-column: 2 / 3;
}

/* ===== DOWNLOAD SECTION ===== */
.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.download-card {
  background: var(--surface-color);
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-normal);
  text-align: center;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.download-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  transition: left var(--transition-normal);
}

.download-card:hover::after {
  left: 0;
}

.download-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px var(--shadow-color);
  border-color: rgba(255, 255, 255, 0.2);
}

.download-card > * {
  position: relative;
  z-index: 1;
}

.download-card h3 {
  color: var(--primary-accent);
  font-size: 1.5rem;
  margin-top: 0;
}

.download-card p {
  color: var(--text-secondary);
  margin-bottom: 25px;
}

.download-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.download-buttons a,
.download-buttons button {
  text-align: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  font-family: inherit;
  border: 2px solid;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.btn-1 {
  background: var(--primary-accent);
  color: var(--bg-color);
  border-color: var(--primary-accent);
}

.btn-1:hover {
  background: transparent;
  color: var(--primary-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--shadow-color);
}

.btn-2 {
  background: var(--warning);
  color: var(--bg-color);
  border-color: var(--warning);
}

.btn-2:hover {
  background: transparent;
  color: var(--warning);
  transform: translateY(-2px);
  box-shado: White  ;
}

.btn-3 {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-3:hover {
  background: transparent;
  color: var(--danger);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 68, 68, 0.2);
}

/* ===== FAQ ===== */
.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-question {
  padding: 20px 25px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.02);
}

.faq-question h4 {
  margin: 0;
  color: var(--primary-accent);
  font-size: 1.1rem;
  font-weight: 500;
}

.faq-question i {
  color: var(--text-secondary);
  transition: transform var(--transition-normal);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-answer p {
  padding: 0 25px 20px 25px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(10, 10, 15, 1) 100%);
  border-radius: 24px;
  margin-top: 60px;
  border: 1px solid var(--border-color);
}

.cta-section h2 {
  color: var(--primary-accent);
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-section p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(180deg, rgba(10, 10, 15, 0.5) 0%, #050508 100%);
  color: var(--text-secondary);
  margin-top: 100px;
  border-top: 1px solid var(--border-color);
}

footer p {
  margin: 10px 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

footer a {
  color: var(--primary-accent);
  text-decoration: none;
  transition: color var(--transition-normal);
}

footer a:hover {
  color: var(--text-secondary);
  text-decoration: underline;
}

.easter-egg {
  margin-top: 30px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .whyzeromix-features {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
  }
  
  .screenshots-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  header h1 {
    font-size: 2.5rem;
  }

  section {
    padding: 60px 20px;
  }

  section h2 {
    font-size: 2rem;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 15, 0.98);
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    transition: left var(--transition-normal);
    backdrop-filter: blur(20px);
    align-items: flex-start;
  }

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

  .nav-item {
    width: 100%;
  }

  .nav-item > a,
  .dropdown-toggle {
    width: 100%;
    padding: 15px 30px;
    border-radius: 0;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: rgba(5, 5, 8, 0.8);
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .nav-item:hover .dropdown-menu,
  .nav-item.active .dropdown-menu {
    max-height: 300px;
  }

  .language-switcher {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border-color);
    padding: 15px 30px;
    margin-left: 0;
  }

  .menu-toggle {
    display: block;
  }

  .whyzeromix-section {
    padding: 40px 20px;
  }

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

  .screenshots-grid {
    grid-template-columns: 1fr;
  }

  .screenshots-grid.four-images {
    grid-template-columns: 1fr;
  }

  .screenshots-grid.four-images .screenshot-item:nth-child(4) {
    grid-column: auto;
  }

  .download-cards {
    grid-template-columns: 1fr;
  }

  .install-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 2rem;
  }

  section h2 {
    font-size: 1.75rem;
  }

  .btn {
    padding: 12px 30px;
    font-size: 0.9rem;
  }
}