/* ========================================
   MOSTAGE - Modern Presentation Framework
   Professional & Standard CSS
   ======================================== */

/* ========================================
   CSS VARIABLES - DESIGN SYSTEM
   ======================================== */

:root {
  /* ========================================
     COLORS
     ======================================== */

  /* Primary Colors */
  --color-primary: #667eea;
  --color-primary-hover: #5a6fd8;
  --color-primary-light: rgba(102, 126, 234, 0.1);
  --color-primary-border: rgba(102, 126, 234, 0.2);

  /* Secondary Colors */
  --color-secondary: #764ba2;
  --color-accent: #fbb6ce;
  --color-highlight: #63b3ed;

  /* Text Colors */
  --color-text-primary: #e2e8f0;
  --color-text-secondary: #cbd5e0;
  --color-text-muted: #a0aec0;
  --color-text-inverse: #ffffff;

  /* Background Colors */
  --color-bg-primary: #0f0f23;
  --color-bg-secondary: #1a1a2e;
  --color-bg-card: rgba(26, 32, 44, 0.9);
  --color-bg-overlay: rgba(15, 15, 35, 0.95);
  --color-bg-overlay-hover: rgba(15, 15, 35, 0.98);

  /* Border Colors */
  --color-border-primary: #4a5568;
  --color-border-secondary: rgba(74, 85, 104, 0.3);
  --color-border-accent: rgba(102, 126, 234, 0.2);

  /* Status Colors */
  --color-success: #68d391;
  --color-warning: #ffbd2e;
  --color-error: #ff5f56;
  --color-info: #4fd1c7;

  /* ========================================
     TYPOGRAPHY
     ======================================== */

  /* Font Families */
  --font-family-primary:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --font-family-mono: "Monaco", "Menlo", "Ubuntu Mono", monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  --font-size-5xl: 3rem; /* 48px */
  --font-size-6xl: 3.75rem; /* 60px */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.7;
  --line-height-relaxed: 1.6;
  --line-height-loose: 2;

  /* ========================================
     SPACING SYSTEM
     ======================================== */

  --space-0: 0;
  --space-1: 0.25rem; /* 4px */
  --space-2: 0.5rem; /* 8px */
  --space-3: 0.75rem; /* 12px */
  --space-4: 1rem; /* 16px */
  --space-5: 1.25rem; /* 20px */
  --space-6: 1.5rem; /* 24px */
  --space-8: 2rem; /* 32px */
  --space-10: 2.5rem; /* 40px */
  --space-12: 3rem; /* 48px */
  --space-16: 4rem; /* 64px */
  --space-20: 5rem; /* 80px */
  --space-24: 6rem; /* 96px */
  --space-32: 8rem; /* 128px */

  /* ========================================
     LAYOUT
     ======================================== */

  /* Container */
  --container-max-width: 1200px;
  --container-padding: var(--space-8);

  /* Navbar */
  --navbar-height: 70px;
  --navbar-z-index: 1010;

  /* Sections */
  --section-min-height: 100vh;
  --section-padding: var(--space-20);

  /* ========================================
     BORDER RADIUS
     ======================================== */

  --radius-none: 0;
  --radius-sm: 0.25rem; /* 4px */
  --radius-md: 0.5rem; /* 8px */
  --radius-lg: 0.75rem; /* 12px */
  --radius-xl: 1rem; /* 16px */
  --radius-2xl: 1.5rem; /* 24px */
  --radius-full: 9999px;

  /* ========================================
     SHADOWS
     ======================================== */

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Custom Shadows */
  --shadow-navbar: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.1);
  --shadow-code: 0 20px 40px rgba(0, 0, 0, 0.5);

  /* ========================================
     GRADIENTS
     ======================================== */

  --gradient-primary: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  --gradient-secondary: linear-gradient(
    135deg,
    var(--color-accent) 0%,
    #f5576c 100%
  );
  --gradient-accent: linear-gradient(
    135deg,
    var(--color-highlight) 0%,
    #00f2fe 100%
  );
  --gradient-bg: linear-gradient(
    135deg,
    var(--color-bg-primary) 0%,
    var(--color-bg-secondary) 100%
  );
  --gradient-hero: linear-gradient(
    135deg,
    #0f0f23 0%,
    #1a1a2e 25%,
    #2d1b69 50%,
    #1a1a2e 75%,
    #0f0f23 100%
  );
  --gradient-card: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
  --gradient-code: linear-gradient(135deg, #1a202c 0%, #0f0f23 100%);

  /* ========================================
     TRANSITIONS & ANIMATIONS
     ======================================== */

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ========================================
     Z-INDEX SCALE
     ======================================== */

  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;

  /* Custom Z-Index */
  --z-navbar: 1002;
  --z-mobile-nav: 1001;
  --z-mobile-toggle: 1004;
  --z-scroll-progress: 1005;
  --z-scroll-indicators: 1006;
}

/* ========================================
   CSS RESET & BASE STYLES
   ======================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height + --space-4);
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background: var(--gradient-bg);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ========================================
   LAYOUT COMPONENTS
   ======================================== */

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

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--color-bg-overlay-hover);
  z-index: var(--z-navbar);
  transition: var(--transition-normal);
}

.navbar.scrolled {
  background: var(--color-bg-overlay-hover);
  border-bottom: 1px solid var(--color-primary-border);
  box-shadow: var(--shadow-navbar);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  z-index: 1003;
  position: relative;
  background-color: var(--color-bg-overlay-hover);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

.logo-link:hover {
  opacity: 0.8;
}

.logo-img {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  transition: var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

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

.nav-link.active {
  color: var(--color-primary);
  /* font-weight: var(--font-weight-semibold); */
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-mobile-toggle);
  position: relative;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  margin: 3px 0;
  transition: var(--transition-normal);
  transform-origin: center;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  background: var(--color-bg-overlay-hover);
  backdrop-filter: blur(25px);
  border-top: 1px solid var(--color-border-accent);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  z-index: var(--z-mobile-nav);
}

.mobile-nav.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-content {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--color-border-primary);
}

.mobile-nav-link {
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-lg);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

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

.mobile-nav-link.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  min-height: var(--section-min-height);
  display: flex;
  align-items: center;
  padding-top: var(--navbar-height);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      circle at 20% 80%,
      rgba(102, 126, 234, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(251, 182, 206, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(99, 179, 237, 0.2) 0%,
      transparent 50%
    );
  opacity: 0.5;
}

.hero-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  color: var(--color-text-inverse);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-inverse);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-logo {
  width: 60px;
  height: 60px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-light);
  margin-bottom: var(--space-8);
  opacity: 0.9;
  color: var(--color-text-secondary);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: 2.5rem;
  opacity: 0.9;
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: var(--transition-normal);
  border: 2px solid transparent;
  cursor: pointer;
  min-width: 100px;
  flex: 1;
  max-width: 140px;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-primary-hover);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-inverse);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-1px);
}

/* Code Preview */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.code-preview {
  background: var(--color-bg-overlay);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-code);
  width: 100%;
  max-width: 600px;
  backdrop-filter: blur(10px);
}

.code-header {
  background: var(--gradient-card);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.code-dots {
  display: flex;
  gap: var(--space-2);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
}

.dot.red {
  background: var(--color-error);
}
.dot.yellow {
  background: var(--color-warning);
}
.dot.green {
  background: var(--color-success);
}

.code-title {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.code-content {
  padding: var(--space-6);
  background: var(--gradient-code);
}

.code-content pre {
  margin: 0;
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  text-shadow: 0 0 5px rgba(226, 232, 240, 0.1);
  text-align: left;
}

/* ========================================
   SCROLL HINT
   ======================================== */

.scroll-hint {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  cursor: pointer;
  transition:
    opacity 0.1s ease-out,
    transform 0.1s ease-out;
  z-index: var(--z-scroll-indicators);
  pointer-events: none;
}

.scroll-hint:hover {
  transform: translateX(-50%) translateY(-2px);
}

.scroll-hint[style*="pointer-events: auto"]:hover {
  transform: translateX(-50%) translateY(-2px);
}

.scroll-hint-arrow {
  color: var(--color-text-secondary);
  transition: var(--transition-normal);
  animation: bounce 2s ease-in-out infinite;
}

.scroll-hint:hover .scroll-hint-arrow {
  color: var(--color-primary);
  transform: scale(1.1);
}

.scroll-hint-arrow svg {
  width: 32px;
  height: 32px;
}

/* ========================================
   SECTIONS
   ======================================== */

section {
  min-height: var(--section-min-height);
  display: flex;
  align-items: center;
  padding: var(--section-padding) 0;
  position: relative;
}

.section-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: var(--font-size-xl);
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   WHY MOSTAGE SECTION
   ======================================== */

.why-section {
  background: linear-gradient(
    135deg,
    var(--color-bg-secondary) 0%,
    rgba(26, 26, 46, 0.95) 50%,
    var(--color-bg-primary) 100%
  );
  position: relative;
}

.why-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 30% 20%,
    rgba(102, 126, 234, 0.1) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.feature-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-fast);
}

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

.feature-card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-primary);
}

.feature-card h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.feature-card h3 svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.feature-card p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

/* ========================================
   THEMES SECTION
   ======================================== */

.themes-section {
  background: linear-gradient(
    135deg,
    var(--color-bg-primary) 0%,
    rgba(15, 15, 35, 0.98) 50%,
    var(--color-bg-secondary) 100%
  );
  position: relative;
}

.themes-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 70% 80%,
    rgba(118, 75, 162, 0.08) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.theme-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-sm);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  padding: var(--space-3);
}

.theme-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-fast);
}

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

.theme-card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-primary);
}

.theme-preview {
  background: #f8f9fa;
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 170px;
  width: 170px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 5px;
  margin: 0 auto;
}

.slide-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.slide-content h1 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--space-2) 0;
  line-height: var(--line-height-tight);
}

.slide-content h2 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-1) 0;
  line-height: var(--line-height-tight);
}

.slide-content h3 {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin: 0;
  line-height: var(--line-height-tight);
  opacity: 0.8;
}

/* Theme-specific previews */
.light-theme {
  background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
}

.light-theme .slide-content h1 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.light-theme .slide-content h2 {
  color: #1a202c;
}
.light-theme .slide-content h3 {
  color: #2d3748;
}

.dark-theme {
  background: linear-gradient(
    135deg,
    var(--color-bg-primary) 0%,
    var(--color-bg-secondary) 100%
  );
}

.dark-theme .slide-content h1 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dark-theme .slide-content h2 {
  color: var(--color-text-inverse);
}
.dark-theme .slide-content h3 {
  color: var(--color-text-primary);
}

.dracula-theme {
  background: #282a36;
}

.dracula-theme .slide-content h1 {
  color: #ff79c6;
}
.dracula-theme .slide-content h2 {
  color: #bd93f9;
}
.dracula-theme .slide-content h3 {
  color: #f8f8f2;
}

.ocean-theme {
  background: linear-gradient(135deg, #0f1419 0%, #1e3a8a 100%);
}

.ocean-theme .slide-content h1 {
  background: linear-gradient(135deg, #00d4ff 0%, #36d7b7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ocean-theme .slide-content h2 {
  color: #00d4ff;
}
.ocean-theme .slide-content h3 {
  color: #e6f1ff;
}

.rainbow-theme {
  background: #e2e8f0;
}

.rainbow-theme .slide-content h1 {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.rainbow-theme .slide-content h2 {
  color: #ec4899;
}
.rainbow-theme .slide-content h3 {
  color: #f59e0b;
}

.custom-theme {
  background: linear-gradient(135deg, #000000 0%, #000000 100%);
}

.custom-theme .slide-content h1 {
  color: var(--color-text-inverse);
}
.custom-theme .slide-content h2 {
  color: rgba(255, 255, 255, 0.9);
}
.custom-theme .slide-content h3 {
  color: rgba(255, 255, 255, 0.8);
}

.theme-note {
  margin-top: var(--space-12);
  text-align: center;
  padding: var(--space-6);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.theme-note p {
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  margin: 0;
}

.theme-note strong {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* ========================================
   PLUGINS SECTION
   ======================================== */

.plugins-section {
  background: linear-gradient(
    135deg,
    var(--color-bg-secondary) 0%,
    rgba(26, 26, 46, 0.95) 50%,
    var(--color-bg-primary) 100%
  );
  position: relative;
}

.plugins-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 20% 70%,
    rgba(99, 179, 237, 0.06) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.plugins-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-6);
}

.plugin-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.plugin-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-fast);
}

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

.plugin-card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-primary);
}

.plugin-card h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.plugin-card h3 svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.plugin-card p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.plugin-note {
  margin-top: var(--space-12);
  text-align: center;
  padding: var(--space-6);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-sm);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.plugin-note p {
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  margin: 0;
}

.plugin-note strong {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.getting-started-note {
  margin-top: var(--space-12);
  text-align: center;
  padding: var(--space-6);
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-sm);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.getting-started-note p {
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  margin: 0;
}

.getting-started-note strong {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.getting-started-note a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.getting-started-note a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.getting-started-note code {
  background: var(--color-bg-card);
  color: var(--color-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-primary-border);
}

/* ========================================
   DEMO SECTION
   ======================================== */

.demo-section {
  background: linear-gradient(
    135deg,
    var(--color-bg-primary) 0%,
    rgba(15, 15, 35, 0.98) 50%,
    var(--color-bg-secondary) 100%
  );
  position: relative;
}

.demo-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 50% 30%,
    rgba(251, 182, 206, 0.05) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.demo-showcase {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--space-8);
}

.demo-image-container {
  position: relative;
  max-width: 800px;
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  /* box-shadow: var(--shadow-1xl); */
  /* transition: var(--transition-normal); */
  display: block;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--color-border-primary);
}

.demo-image-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-fast);
  z-index: 1;
}

.demo-image-container:hover::before {
  transform: scaleX(1);
}

.demo-image-container:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-primary);
}

.demo-image {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-normal);
}

/* ========================================
   CLI SECTION (GET STARTED)
   ======================================== */

.cli-section {
  background: linear-gradient(
    135deg,
    var(--color-bg-secondary) 0%,
    rgba(26, 26, 46, 0.95) 50%,
    var(--color-bg-primary) 100%
  );
  position: relative;
}

.cli-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 80% 20%,
    rgba(102, 126, 234, 0.08) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.terminals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  width: 100%;
  max-width: var(--container-max-width);
  margin: var(--space-6) auto 0;
  justify-items: center;
}

.terminal {
  background: #1a202c;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.terminal-header {
  background: #2d3748;
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.terminal-title {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.terminal-content {
  padding: var(--space-8);
  font-family: var(--font-family-mono);
}

.terminal-content pre {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  overflow-x: auto;
}

.terminal-content code {
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  white-space: pre;
}

.terminal-line {
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.prompt {
  color: var(--color-info);
  font-weight: var(--font-weight-bold);
}

.command {
  color: var(--color-text-primary);
}

.output {
  color: var(--color-text-muted);
  margin-left: var(--space-6);
}

.comment {
  color: var(--color-success);
  font-style: italic;
}

.code {
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
}

.js-code {
  background: rgba(102, 126, 234, 0.1);
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-3);
  margin: var(--space-1) 0;
}

/* ========================================
   SCROLL EFFECTS
   ======================================== */

/* Section Indicators */
.scroll-indicators {
  position: fixed;
  right: var(--space-6);
  top: 50%;
  transform: translateY(-50%) translateX(100px);
  z-index: var(--z-scroll-indicators);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-indicators.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

.scroll-indicator {
  position: relative;
  width: 8px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.8);
}

.scroll-indicator::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: var(--transition-normal);
  z-index: 1;
}

.scroll-indicator .progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: height 0.1s ease-out;
  z-index: 2;
  opacity: 0.7;
}

.scroll-indicator:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.scroll-indicator:hover::before {
  height: 100%;
}

/* .scroll-indicator.active {
  background: rgba(102, 126, 234, 0.3);
  transform: scale(1.2);
  box-shadow: 0 0 15px rgba(102, 126, 234, 0.4);
} */

.scroll-indicator.active::before {
  height: 100%;
  background: var(--gradient-primary);
  box-shadow: 0 0 10px rgba(102, 126, 234, 0.6);
}

.scroll-indicator::after {
  content: attr(data-section);
  position: absolute;
  right: 35px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-bg-overlay-hover);
  color: var(--color-text-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  pointer-events: none;
  border: 1px solid var(--color-border-accent);
  box-shadow: var(--shadow-md);
}

.scroll-indicator:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(-5px);
}

.scroll-indicator.active::after {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* Individual indicator animations with stagger */
.scroll-indicators.visible .scroll-indicator {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.scroll-indicators.visible .scroll-indicator:nth-child(1) {
  transition-delay: 0.1s;
}

.scroll-indicators.visible .scroll-indicator:nth-child(2) {
  transition-delay: 0.2s;
}

.scroll-indicators.visible .scroll-indicator:nth-child(3) {
  transition-delay: 0.3s;
}

.scroll-indicators.visible .scroll-indicator:nth-child(4) {
  transition-delay: 0.4s;
}

.scroll-indicators.visible .scroll-indicator:nth-child(5) {
  transition-delay: 0.5s;
}

.scroll-indicators.visible .scroll-indicator:nth-child(6) {
  transition-delay: 0.6s;
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 {
  transition-delay: 0.1s;
}

.animate-on-scroll.delay-2 {
  transition-delay: 0.2s;
}

.animate-on-scroll.delay-3 {
  transition-delay: 0.3s;
}

.animate-on-scroll.delay-4 {
  transition-delay: 0.4s;
}

/* Parallax Effects */
.parallax-bg {
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  padding: var(--space-12) 0 var(--space-4);
  border-top: 1px solid var(--color-border-primary);
  min-height: auto;
  position: relative;
  z-index: 1;
  margin-top: 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-logo div {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-logo p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
}

.footer-logo-link {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
}

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

.footer-logo-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

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

.footer-links {
  display: flex;
  gap: var(--space-8);
}

.footer-links a {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: var(--transition-fast);
  position: relative;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

.footer-links a:hover::after {
  width: 100%;
}

.footer-bottom {
  border-top: 1px solid var(--color-border-primary);
  padding-top: var(--space-8);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ========================================
   KEYFRAME ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-6px);
  }
  60% {
    transform: translateY(-3px);
  }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Mobile Styles */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }

  .nav-container {
    padding: 0 var(--space-4);
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero {
    min-height: var(--section-min-height);
    padding: var(--space-8) 0;
    padding-top: calc(var(--navbar-height));
  }

  .hero-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
    padding: 0 var(--space-2);
  }

  .hero-content {
    order: 0;
  }

  .hero-visual {
    order: 1;
    margin-top: var(--space-1);
  }

  .hero-title {
    font-size: var(--font-size-5xl);
    flex-direction: row;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    justify-content: center;
  }

  .hero-logo {
    width: 48px;
    height: 48px;
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
  }

  .hero-description {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-6);
  }

  .hero-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    max-width: 400px;
    margin: 0 auto;
  }

  .btn {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    text-align: center;
  }

  .code-preview {
    max-width: 100%;
    margin: 0 auto;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transform: scale(0.8);
  }

  .code-header {
    padding: var(--space-2);
  }

  .code-content {
    padding: var(--space-3);
  }

  .code-content pre {
    font-size: var(--font-size-xs);
    line-height: var(--line-height-tight);
  }

  section {
    min-height: var(--section-min-height);
    padding: var(--space-8) 0;
  }

  .section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-3);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-6);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .feature-card {
    padding: var(--space-4) var(--space-2);
  }

  .feature-card h3 {
    font-size: var(--font-size-sm);
  }

  .feature-card p {
    font-size: var(--font-size-sm);
  }

  .themes-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .theme-card {
    padding: var(--space-0);
  }

  .theme-preview {
    height: 120px;
    width: unset;
  }

  .slide-content h1 {
    font-size: var(--font-size-sm);
  }

  .slide-content h2 {
    font-size: var(--font-size-xs);
  }

  .slide-content h3 {
    font-size: var(--font-size-xs);
  }

  .theme-note {
    margin-top: var(--space-6);
    padding: var(--space-3);
    font-size: var(--font-size-sm);
  }

  .plugins-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .plugin-card {
    padding: var(--space-4);
  }

  .plugin-card h3 {
    font-size: var(--font-size-base);
  }

  .plugin-card p {
    font-size: var(--font-size-xs);
  }

  .plugin-note {
    margin-top: var(--space-6);
    padding: var(--space-3);
    font-size: var(--font-size-sm);
  }

  .getting-started-note {
    margin-top: var(--space-6);
    padding: var(--space-3);
    font-size: var(--font-size-sm);
  }

  .demo-showcase {
    margin-top: var(--space-6);
    padding: 0 var(--space-4);
  }

  .demo-image-container {
    max-width: 100%;
    box-shadow: var(--shadow-lg);
  }

  .terminals-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .terminal {
    max-width: 100%;
  }

  .terminal-header {
    padding: var(--space-3);
  }

  .terminal-content {
    padding: var(--space-6);
  }

  .terminal-content code {
    font-size: var(--font-size-xs);
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }

  .footer-logo div {
    flex-direction: column;
    gap: var(--space-2);
  }

  .footer-links {
    gap: var(--space-6);
  }

  .mobile-nav-link {
    font-size: var(--font-size-base);
    padding: var(--space-6);
  }

  .scroll-indicators {
    right: var(--space-2);
    gap: var(--space-3);
    transform: translateY(-50%) translateX(80px);
  }

  .scroll-indicators.visible {
    transform: translateY(-50%) translateX(0);
  }

  .scroll-indicator {
    width: 6px;
    height: 30px;
  }

  .scroll-indicator::after {
    right: 15px;
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
  }

  .scroll-hint {
    bottom: var(--space-4);
  }

  .scroll-hint-arrow svg {
    width: 20px;
    height: 20px;
  }
}

/* Tablet Styles */
@media (max-width: 1024px) and (min-width: 769px) {
  .hero-container {
    gap: var(--space-12);
    padding: 0 var(--space-6);
  }

  .hero-title {
    font-size: var(--font-size-5xl);
    flex-direction: row;
    gap: var(--space-4);
    justify-content: center;
  }

  .hero-subtitle {
    font-size: var(--font-size-xl);
  }

  .hero-description {
    font-size: var(--font-size-lg);
  }

  .btn {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
  }

  .code-preview {
    max-width: 550px;
  }

  .code-content pre {
    font-size: var(--font-size-xs);
  }

  .terminals-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-6);
  }

  .nav-container {
    padding: 0 var(--space-4);
  }

  .hero-container {
    padding: 0 var(--space-4);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-xl);
  }

  .hero-description {
    font-size: var(--font-size-base);
  }

  .btn {
    max-width: 200px;
    padding: var(--space-2) var(--space-5);
    font-size: var(--font-size-sm);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
  }
}

/* Extra Small Mobile Styles */
@media (max-width: 360px) {
  .container {
    padding: 0 var(--space-2);
  }

  .nav-container {
    padding: 0 var(--space-2);
  }

  .hero-container {
    padding: 0 var(--space-2);
  }

  .btn {
    max-width: 180px;
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
  }
}

/* Editor Section Styles */
.editor-section {
  background: linear-gradient(
    135deg,
    var(--color-bg-primary) 0%,
    rgba(15, 15, 35, 0.98) 50%,
    var(--color-bg-secondary) 100%
  );
  position: relative;
}

.editor-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 50% 30%,
    rgba(251, 182, 206, 0.05) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.beta-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: var(--space-1) var(--space-3);
  border-radius: 15px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-left: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.editor-showcase {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--space-8);
}