/* ==========================================================================
   KAZIV - Modern Premium Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Colors */
  --color-black: #050505;
  --color-gray-900: #111111;
  --color-gray-800: #1a1a1a;
  --color-gray-700: #2a2a2a;
  --color-gray-400: #888888;
  --color-gray-200: #e5e5e5;
  --color-gray-100: #f5f5f5;
  --color-white: #ffffff;
  
  --color-primary: #a855f7; /* Purple */
  --color-secondary: #f97316; /* Orange */
  
  --gradient-main: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-hover: linear-gradient(135deg, #9333ea 0%, #ea580c 100%);
  --gradient-dark: linear-gradient(to right, #000000, #1a1a1a);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 1rem;     /* 16px */
  --space-md: 1.5rem;   /* 24px */
  --space-lg: 2rem;     /* 32px */
  --space-xl: 3rem;     /* 48px */
  --space-2xl: 5rem;    /* 80px */
  
  /* Shadows & Glassmorphism */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-neon: 0 0 20px rgba(168, 85, 247, 0.4);
  
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(12px);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
}

/* ==========================================================================
   Typography Utilities
   ========================================================================== */

.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.title-xl {
  font-size: clamp(3rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
}

.title-lg {
  font-size: clamp(2rem, 4vw, 3rem);
}

.title-md {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

/* ==========================================================================
   Components
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 1rem;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: var(--gradient-main);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hover);
  z-index: -1;
  transition: opacity var(--transition-normal);
  opacity: 0;
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-gray-400);
}

.btn-secondary:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--color-white);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-neon);
  border-color: rgba(168, 85, 247, 0.3);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  transition: all var(--transition-normal);
  background: transparent;
}

.header.scrolled {
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--color-white);
}

/* SVG Logo Styling */
.logo-icon {
  width: 40px;
  height: 40px;
}

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

.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-gray-200);
  font-size: 1.05rem;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: width var(--transition-normal);
}

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

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

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-fast);
  transform-origin: left center;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg);
}

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

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
}

/* ==========================================================================
   Animations
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

/* ==========================================================================
   Media Queries
   ========================================================================== */

@media (max-width: 992px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-gray-900);
    flex-direction: column;
    padding-top: 100px;
    padding-left: var(--space-lg);
    align-items: flex-start;
    transition: right var(--transition-normal);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--glass-border);
  }

  .nav-links.active {
    right: 0;
  }

  .mobile-toggle {
    display: flex;
  }
}

/* ==========================================================================
   Home Page Specific Styles
   ========================================================================== */

/* Utility Classes */
.text-center { text-align: center; }
.mb-4 { margin-bottom: var(--space-sm); }
.mb-8 { margin-bottom: var(--space-lg); }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: var(--space-sm); }
.mt-10 { margin-top: var(--space-xl); }
.text-gray { color: var(--color-gray-400); }

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    background: url('https://images.unsplash.com/photo-1511795409834-ef04bbd61622?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(5,5,5,0.8), rgba(5,5,5,0.95));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray-200);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Search Box */
.search-box {
    margin-top: var(--space-xl);
    padding: var(--space-sm);
    border-radius: var(--radius-full);
}

.search-form {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-full);
    padding: 5px;
}

.input-group {
    display: flex;
    align-items: center;
    flex: 1;
    padding: 0 var(--space-sm);
    color: var(--color-gray-200);
}

.input-group i {
    color: var(--color-primary);
    margin-right: 10px;
    font-size: 1.2rem;
}

.input-group input, 
.input-group select {
    background: transparent;
    border: none;
    color: var(--color-white);
    width: 100%;
    padding: 10px 0;
    outline: none;
    font-size: 1rem;
}

.input-group select {
    cursor: pointer;
}

.input-group select option {
    background: var(--color-gray-900);
    color: var(--color-white);
}

.divider {
    width: 1px;
    height: 30px;
    background: var(--glass-border);
}

.search-btn {
    padding: 1rem 2rem;
}

/* Categories Section */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xl);
}

.cat-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: rgba(168, 85, 247, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    transition: all var(--transition-normal);
}

.category-card:hover .cat-icon {
    background: var(--gradient-main);
    color: var(--color-white);
    transform: scale(1.1) rotate(5deg);
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.category-card p {
    color: var(--color-gray-400);
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.cat-link {
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: gap var(--transition-fast);
}

.category-card:hover .cat-link {
    gap: 12px;
}

/* Steps Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    position: relative;
}

.step-card {
    padding: var(--space-lg);
}

.step-num {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-heading);
    opacity: 0.5;
    margin-bottom: 1rem;
    display: inline-block;
}

.step-card h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--color-gray-400);
}

/* Footer */
.footer {
    background: #000;
    padding: var(--space-2xl) 0 0 0;
    border-top: 1px solid var(--color-gray-800);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-links h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-gray-900);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

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

.footer-bottom {
    padding: var(--space-lg) 0;
    color: var(--color-gray-400);
}

/* Updated Media Queries */
@media (max-width: 992px) {
    .categories-grid, .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .search-form {
        flex-direction: column;
        border-radius: var(--radius-lg);
        padding: var(--space-md);
        background: rgba(5,5,5,0.6);
        backdrop-filter: blur(10px);
    }
    .input-group {
        width: 100%;
        padding: 10px 0;
    }
    .divider {
        width: 100%;
        height: 1px;
        margin: 10px 0;
    }
    .search-btn {
        width: 100%;
        margin-top: 1rem;
    }
    .categories-grid, .steps-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}