/*
====================================
Tafasel Technology - Modern Website
Design System & Styles
Version: 2.0 (2024-2025)
====================================
*/

/* ===========================
   CSS CUSTOM PROPERTIES
   =========================== */
:root {
  /* Primary Color Palette - Brand Orange */
  --primary-50: #FFF3E0;
  --primary-100: #FFE0B2;
  --primary-200: #FFCC80;
  --primary-300: #FFB74D;
  --primary-400: #FFA726;
  --primary-500: #FF9800;
  --primary-600: #FF6B00;
  --primary-700: #F57C00;
  --primary-800: #EF6C00;
  --primary-900: #E65100;

  /* Secondary Color Palette - Deep Blues */
  --secondary-50: #E8EAF6;
  --secondary-100: #C5CAE9;
  --secondary-200: #9FA8DA;
  --secondary-300: #7986CB;
  --secondary-400: #5C6BC0;
  --secondary-500: #3F51B5;
  --secondary-600: #3949AB;
  --secondary-700: #303F9F;
  --secondary-800: #283593;
  --secondary-900: #1A237E;

  /* Neutral Colors */
  --neutral-0: #FFFFFF;
  --neutral-50: #FAFAFA;
  --neutral-100: #F5F5F5;
  --neutral-200: #EEEEEE;
  --neutral-300: #E0E0E0;
  --neutral-400: #BDBDBD;
  --neutral-500: #9E9E9E;
  --neutral-600: #757575;
  --neutral-700: #616161;
  --neutral-800: #424242;
  --neutral-900: #212121;
  --neutral-1000: #000000;

  /* Semantic Colors */
  --success: #4CAF50;
  --warning: #FFC107;
  --error: #F44336;
  --info: #2196F3;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-600) 0%, var(--secondary-800) 100%);
  --gradient-mesh: radial-gradient(at 40% 20%, var(--primary-200) 0px, transparent 50%),
                   radial-gradient(at 80% 0%, var(--secondary-200) 0px, transparent 50%),
                   radial-gradient(at 0% 50%, var(--primary-100) 0px, transparent 50%);

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Spacing Scale (8-point grid) */
  --space-1: 0.125rem;    /* 2px */
  --space-2: 0.25rem;     /* 4px */
  --space-3: 0.5rem;      /* 8px */
  --space-4: 0.75rem;     /* 12px */
  --space-5: 1rem;        /* 16px */
  --space-6: 1.5rem;      /* 24px */
  --space-7: 2rem;        /* 32px */
  --space-8: 3rem;        /* 48px */
  --space-9: 4rem;        /* 64px */
  --space-10: 6rem;       /* 96px */
  --space-11: 8rem;       /* 128px */

  /* Typography Scale */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */
  --text-5xl: 3rem;       /* 48px */
  --text-6xl: 3.75rem;    /* 60px */
  --text-7xl: 4.5rem;     /* 72px */

  /* Border Radius */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 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;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--neutral-800);
  background-color: var(--neutral-0);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--neutral-900);
  margin-bottom: var(--space-5);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.875rem); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-5);
  color: var(--neutral-700);
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--primary-800);
}

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

/* ===========================
   UTILITY CLASSES
   =========================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-10) 0;
}

.section-lg {
  padding: var(--space-11) 0;
}

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-600); }
.text-secondary { color: var(--secondary-600); }
.text-neutral { color: var(--neutral-600); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

/* ===========================
   NAVIGATION
   =========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: #000000;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--neutral-800);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.navbar.hidden {
  transform: translateY(-100%);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: #000000;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  max-width: 1400px;
  margin: 0 auto;
}

.navbar-logo {
  height: 50px;
  width: auto;
  transition: transform var(--transition-base);
}

.navbar-logo:hover {
  transform: scale(1.05);
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: var(--space-7);
  align-items: center;
}

.navbar-link {
  font-weight: 500;
  color: #FFFFFF;
  font-size: var(--text-base);
  position: relative;
  padding: var(--space-3) 0;
  transition: color var(--transition-base);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.navbar-link:hover::after,
.navbar-link.active::after {
  width: 100%;
}

.navbar-link:hover {
  color: var(--primary-600);
}

/* Mobile Menu Toggle */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-3);
}

.navbar-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: #FFFFFF;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Dropdown */
.navbar-dropdown {
  position: relative;
}

.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--neutral-0);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-4);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  list-style: none;
  margin-top: var(--space-4);
}

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

.dropdown-item {
  padding: var(--space-3) var(--space-4);
  color: var(--neutral-700);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--neutral-100);
  color: var(--primary-600);
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-mesh), var(--neutral-50);
  padding-top: 120px;
  padding-bottom: var(--space-8);
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--neutral-900) 0%, var(--neutral-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text .lead {
  font-size: var(--text-lg);
  color: var(--neutral-700);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.hero-text .section-tag {
  margin-bottom: var(--space-3);
}

.hero-cta {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  animation: floatAnimation 6s ease-in-out infinite;
  max-width: 650px;
  margin-left: auto;
}

.hero-image img {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-7);
  font-size: var(--text-base);
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--neutral-0);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--neutral-0);
}

.btn-secondary {
  background: var(--neutral-0);
  color: var(--primary-600);
  border: 2px solid var(--primary-600);
}

.btn-secondary:hover {
  background: var(--primary-600);
  color: var(--neutral-0);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--neutral-900);
  border: 2px solid var(--neutral-300);
}

.btn-outline:hover {
  background: var(--neutral-900);
  color: var(--neutral-0);
  border-color: var(--neutral-900);
}

.btn-lg {
  padding: var(--space-5) var(--space-8);
  font-size: var(--text-lg);
}

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

/* ===========================
   CARDS
   =========================== */
.card {
  background: var(--neutral-0);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--neutral-200);
  height: 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--neutral-0);
  font-size: var(--text-3xl);
  transition: transform var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.card-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
  color: var(--neutral-900);
}

.card-text {
  color: var(--neutral-600);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ===========================
   GRID LAYOUTS
   =========================== */
.grid {
  display: grid;
  gap: var(--space-7);
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Bento Box Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  grid-auto-rows: 200px;
}

.bento-item {
  background: var(--neutral-0);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  overflow: hidden;
  position: relative;
}

.bento-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.bento-item-large {
  grid-column: span 2;
  grid-row: span 2;
}

.bento-item-wide {
  grid-column: span 2;
}

.bento-item-tall {
  grid-row: span 2;
}

/* ===========================
   SECTIONS
   =========================== */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-10);
}

.section-header h2 {
  margin-bottom: var(--space-5);
}

.section-header .subtitle {
  font-size: var(--text-lg);
  color: var(--neutral-600);
  line-height: 1.8;
}

.section-tag {
  display: inline-block;
  padding: var(--space-2) var(--space-5);
  background: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* About Section */
.about-section {
  background: var(--neutral-0);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
}

.about-text h3 {
  margin-bottom: var(--space-6);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.feature-item {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--neutral-50);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature-item:hover {
  background: var(--primary-50);
  transform: translateX(8px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-0);
  font-size: var(--text-xl);
}

.feature-content h4 {
  margin-bottom: var(--space-2);
  font-size: var(--text-lg);
}

/* Services Section */
.services-section {
  background: var(--neutral-100);
}

.service-card {
  text-align: center;
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
}

.service-card:hover::before {
  opacity: 0.05;
}

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

/* Stats Section */
.stats-section {
  background: var(--gradient-primary);
  color: var(--neutral-0);
  padding: var(--space-6) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
}

.stat-item {
  text-align: center;
  padding: var(--space-4) 0;
}

.stat-number {
  font-size: var(--text-5xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  display: block;
}

.stat-label {
  font-size: var(--text-base);
  opacity: 0.9;
}

/* Testimonials Section */
.testimonials-section {
  background: var(--neutral-50);
}

.testimonial-card {
  background: var(--neutral-0);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-quote {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--neutral-700);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.author-avatar {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.author-info h4 {
  margin-bottom: var(--space-2);
  font-size: var(--text-lg);
}

.author-role {
  color: var(--neutral-500);
  font-size: var(--text-sm);
}

/* CTA Section */
.cta-section {
  background: var(--gradient-primary);
  color: var(--neutral-0);
  text-align: center;
  padding: var(--space-11) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255, 255, 255, 0.05) 10px,
    rgba(255, 255, 255, 0.05) 20px
  );
  animation: movePattern 20s linear infinite;
}

@keyframes movePattern {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

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

.cta-section h2 {
  color: var(--neutral-0);
  margin-bottom: var(--space-6);
}

.cta-section p {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===========================
   FORMS
   =========================== */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--neutral-800);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: 2px solid var(--neutral-300);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  transition: all var(--transition-base);
  background: var(--neutral-0);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-600);
  box-shadow: 0 0 0 4px var(--primary-100);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

.form-error {
  color: var(--error);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--neutral-900);
  color: var(--neutral-300);
  padding: var(--space-10) 0 var(--space-6);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.footer-brand h3 {
  color: var(--neutral-0);
  margin-bottom: var(--space-5);
}

.footer-brand p {
  color: var(--neutral-400);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.footer-title {
  color: var(--neutral-0);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-5);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  color: var(--neutral-400);
  transition: color var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover {
  color: var(--primary-400);
  transform: translateX(4px);
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--neutral-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-0);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary-600);
  transform: translateY(-4px);
  color: var(--neutral-0);
}

.footer-bottom {
  border-top: 1px solid var(--neutral-800);
  padding-top: var(--space-6);
  text-align: center;
  color: var(--neutral-500);
}

/* ===========================
   ANIMATIONS
   =========================== */
.fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  animation: slideInLeft var(--transition-slow) ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight var(--transition-slow) ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

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

/* Tablets and below */
@media (max-width: 1024px) {
  :root {
    --text-6xl: 3rem;
    --text-5xl: 2.5rem;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

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

  .navbar-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 300px;
    height: calc(100vh - 70px);
    background: #1a1a1a;
    flex-direction: column;
    padding: var(--space-7);
    box-shadow: var(--shadow-2xl);
    transition: right var(--transition-base);
    align-items: flex-start;
    overflow-y: auto;
  }

  .navbar-menu .navbar-link {
    color: #FFFFFF;
    width: 100%;
    padding: var(--space-4) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .navbar-menu .navbar-link:hover {
    color: var(--primary-500);
  }

  .navbar-menu .btn {
    width: 100%;
    margin-top: var(--space-4);
  }

  .navbar-menu .dropdown-toggle {
    color: #FFFFFF;
  }

  .navbar-menu .dropdown-toggle i {
    color: #FFFFFF;
  }

  .navbar-menu .dropdown-menu {
    background: transparent;
    padding-left: var(--space-6);
  }

  .navbar-menu .dropdown-item {
    color: rgba(255, 255, 255, 0.8);
    background: transparent;
    padding: var(--space-3) 0;
  }

  .navbar-menu .dropdown-item:hover {
    color: var(--primary-500);
    background: transparent;
  }

  .navbar-menu.active {
    right: 0;
  }

  .navbar-toggle {
    display: flex !important;
    z-index: 1000;
    position: relative;
  }

  .navbar-toggle span {
    background: #FFFFFF !important;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: transparent;
    padding-left: var(--space-6);
    margin-top: var(--space-3);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --space-10: 4rem;
    --space-11: 5rem;
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: var(--space-10);
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .bento-item-large,
  .bento-item-wide,
  .bento-item-tall {
    grid-column: span 1;
    grid-row: span 1;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-5);
  }

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

  .navbar-menu {
    width: 100%;
    right: -100%;
  }
}

/* ===========================
   ACCESSIBILITY
   =========================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus styles */
*:focus-visible {
  outline: 3px solid var(--primary-400);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===========================
   PRICING TABLES
   =========================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-7);
  align-items: stretch;
}

.pricing-card {
  background: var(--neutral-0);
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--primary-600);
  box-shadow: var(--shadow-xl);
  transform: scale(1.05);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.pricing-badge {
  position: absolute;
  top: -16px;
  right: var(--space-7);
  background: var(--gradient-primary);
  color: var(--neutral-0);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--space-7);
}

.pricing-name {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

.pricing-price {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--primary-600);
}

.pricing-period {
  color: var(--neutral-500);
  font-size: var(--text-base);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-7);
  flex: 1;
}

.pricing-feature {
  padding: var(--space-4) 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid var(--neutral-200);
}

.pricing-feature:last-child {
  border-bottom: none;
}

.pricing-feature i {
  color: var(--success);
  font-size: var(--text-lg);
}

/* ===========================
   BACK TO TOP BUTTON
   =========================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-7);
  right: var(--space-7);
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--neutral-0);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ===================================
   Hero Slider Styles
   =================================== */

.hero-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
  z-index: 1;
}

.hero-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-slider-prev,
.hero-slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.hero-slider-prev {
  left: 20px;
}

.hero-slider-next {
  right: 20px;
}

.hero-slider-prev:hover,
.hero-slider-next:hover {
  background: var(--primary-600);
  color: white;
  box-shadow: var(--shadow-lg);
  transform: translateY(-50%) scale(1.1);
}

.hero-slider-prev i,
.hero-slider-next i {
  font-size: 1.2rem;
}

.hero-slider-indicators {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.hero-slider-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: 2px solid white;
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}

.hero-slider-indicator.active {
  background: var(--primary-600);
  border-color: var(--primary-600);
  width: 40px;
  border-radius: 6px;
}

.hero-slider-indicator:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: scale(1.2);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-slider-prev,
  .hero-slider-next {
    width: 40px;
    height: 40px;
  }

  .hero-slider-prev {
    left: 10px;
  }

  .hero-slider-next {
    right: 10px;
  }

  .hero-slider-indicators {
    bottom: 20px;
  }
}

@media (max-width: 480px) {
  .hero-slider-prev,
  .hero-slider-next {
    display: none;
  }
}