/* ===================================
   HAVAMANIA - Climate Tech Design System
   =================================== */

/* Import Modern Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ===================================
   CSS Custom Properties
   =================================== */
:root {
  /* Climate-Tech Color Palette */
  --color-primary: hsl(158, 64%, 42%);
  --color-primary-light: hsl(158, 64%, 52%);
  --color-primary-dark: hsl(158, 64%, 32%);
  
  --color-secondary: hsl(200, 85%, 45%);
  --color-secondary-light: hsl(200, 85%, 55%);
  --color-secondary-dark: hsl(200, 85%, 35%);
  
  --color-accent: hsl(280, 70%, 60%);
  --color-accent-light: hsl(280, 70%, 70%);
  
  --color-earth: hsl(35, 75%, 55%);
  --color-earth-dark: hsl(25, 65%, 40%);
  
  /* Neutrals */
  --color-dark: hsl(210, 25%, 8%);
  --color-dark-light: hsl(210, 20%, 15%);
  --color-gray: hsl(210, 10%, 40%);
  --color-gray-light: hsl(210, 15%, 85%);
  --color-light: hsl(210, 20%, 98%);
  --color-white: hsl(0, 0%, 100%);
  
  /* Semantic Colors */
  --color-success: hsl(142, 76%, 36%);
  --color-warning: hsl(45, 93%, 47%);
  --color-error: hsl(4, 90%, 58%);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-hero: linear-gradient(135deg, hsl(158, 64%, 20%) 0%, hsl(200, 85%, 25%) 50%, hsl(280, 70%, 30%) 100%);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.24);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --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 */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}

/* ===================================
   Reset & Base Styles
   =================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-light);
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h5 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
}

h6 {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
}

p {
  margin-bottom: var(--space-md);
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-gray);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================
   Layout
   =================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: 1400px;
}

.container-narrow {
  max-width: 900px;
}

.section {
  padding: var(--space-3xl) 0;
}

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

.section-lg {
  padding: calc(var(--space-3xl) * 1.5) 0;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
}

.navbar-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition-base);
}

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

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

.navbar-link {
  position: relative;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-dark);
  font-weight: 500;
  transition: var(--transition-base);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  transition: var(--transition-base);
}

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

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

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

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-xs);
}

.navbar-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-dark);
  transition: var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  color: var(--color-white);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(45, 212, 191, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
  animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  animation: fadeInUp 1s ease-out;
}

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

.hero h1 {
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero .lead {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
}

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

/* Floating particles effect */
.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: float 20s infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) translateX(100px);
    opacity: 0;
  }
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  transition: var(--transition-base);
  cursor: pointer;
  border: none;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.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 0.6s, height 0.6s;
}

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

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

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

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

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

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

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

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

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: calc(var(--space-xs) * 1.5) var(--space-md);
  font-size: 0.875rem;
}

/* ===================================
   Cards
   =================================== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  overflow: hidden;
}

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

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

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

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}

.card-text {
  color: var(--color-gray);
  margin-bottom: var(--space-md);
}

.card-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-gray-light);
  background: rgba(0, 0, 0, 0.02);
}

/* Service Cards */
.service-card {
  position: relative;
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--gradient-primary);
  transition: var(--transition-base);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.service-card:hover::before {
  height: 100%;
}

.service-card:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-size: 2rem;
  color: var(--color-white);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--color-dark);
}

.form-control {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition-base);
  background: var(--color-white);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

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

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

.form-success {
  color: var(--color-success);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-base);
}

.footer-link:hover {
  color: var(--color-primary);
  padding-left: var(--space-xs);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Utilities
   =================================== */
.text-center {
  text-align: center;
}

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

.bg-light {
  background-color: var(--color-light);
}

.bg-white {
  background-color: var(--color-white);
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-xl);
    transition: var(--transition-base);
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-menu.active {
    left: 0;
  }
  
  .navbar-toggle {
    display: flex;
  }
  
  .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);
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
}
.navbar-logo img {
    display: block; /* Resmin altındaki boşlukları siler */
    border: none;
}