/* Homepage CSS - Based on Flow Tools Design System */

/* CSS Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #667eea;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary-color: #06b6d4;
    --secondary-light: #22d3ee;
    --accent-green: #10b981;
    --accent-green-light: #34d399;
    --accent-purple: #8b5cf6;
    --accent-purple-light: #a78bfa;
    --accent-pink: #ec4899;
    --accent-orange: #f59e0b;
    
    /* Background colors */
    --bg-glass: rgba(255, 255, 255, 0.25);
    --bg-card: rgba(255, 255, 255, 0.15);
    --bg-input: rgba(255, 255, 255, 0.1);
    
    /* Text colors */
    --text-white: rgba(255, 255, 255, 0.95);
    --text-light: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-colored: 0 10px 15px rgba(102, 126, 234, 0.15);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Base styles */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-white);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    padding: 0;
    margin: 0;
}

/* Animated background elements */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.floating-shape.shape-1 {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--accent-green), var(--accent-green-light));
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-shape.shape-2 {
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, var(--accent-purple), var(--accent-purple-light));
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-shape.shape-3 {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--accent-pink), var(--accent-orange));
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

.floating-shape.shape-4 {
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, var(--secondary-color), var(--secondary-light));
    top: 10%;
    right: 30%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
    }
    50% { 
        transform: translateY(-20px) rotate(180deg); 
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    width: 100%;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

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

.logo-section {
  display: flex;
  align-items: center;
  gap: 1vw; /* ekran genişliğine göre boşluk */
}

.logo-img {
  height: 6vw;         /* logo yüksekliği ekran genişliğinin %6’sı kadar */
  max-height: 48px;    /* çok büyümesini engellemek için tavan değer */
  min-height: 28px;    /* çok küçülmesini engellemek için taban değer */
  width: auto;         /* orantılı genişlik */
}

.logo-text {
  font-size: 2.2vw;    /* ekran genişliğine göre font büyüklüğü */
  max-font-size: 1.8rem;
  color: #1f2937;
  margin: 0;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-bounce);
}

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

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(255,255,255,0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
}
@media (max-width: 640px) {
  .logo-img {
    height: 8vw;       /* mobilde biraz daha büyük görünsün */
  }
  .logo-text {
    font-size: 4.5vw;
  }
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: var(--space-6);
    list-style: none;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    padding: var(--space-2) 0;
    position: relative;
}

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

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

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

/* Main content */
.main {
    padding: var(--space-8) 0;
    position: relative;
    z-index: 1;
}

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-12) 0;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(255,255,255,0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    margin-bottom: var(--space-8);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    max-width: 100%;
   
}

/* Primary Button */
.primary-button {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-bounce);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-colored);
}

.primary-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(135deg, var(--primary-light), var(--accent-purple));
}

/* Secondary Button */
.secondary-button {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Section Styles */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(255,255,255,0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
    letter-spacing: -0.025em;
    text-align: center;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--space-8);
    text-align: center;
}

/* Tools Section */
.tools-section {
    padding: var(--space-16) 0;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.tool-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.3);
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.tool-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-2);
}

.tool-description {
    color: var(--text-light);
    margin-bottom: var(--space-6);
    flex-grow: 1;
}

.tool-link {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: all var(--transition-normal);
    align-self: flex-start;
    padding-bottom: var(--space-1);
    border-bottom: 1px solid transparent;
}

.tool-link:hover {
    color: var(--text-white);
    border-bottom-color: var(--text-white);
}

/* Features Section */
.features-section {
    padding: var(--space-16) 0;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--space-3);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-2);
}

.feature-description {
    color: var(--text-light);
}

/* Call to Action Section */
.cta-section {
    padding: var(--space-16) 0;
}

.cta-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-purple));
    border-radius: var(--radius-2xl);
    padding: var(--space-12) var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-colored);
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-4);
}

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

.cta-button {
    background: white;
    color: var(--primary-dark);
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-bounce);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.9);
}

/* Tips Section Styles */
.tips-section {
    padding: var(--space-8) 0;
    margin-top: var(--space-8);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-4);
}

.tip-card {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.3);
}

.tip-icon {
    font-size: 2rem;
    margin-bottom: var(--space-3);
}

.tip-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-2);
}

.tip-content {
    color: var(--text-light);
    margin-bottom: var(--space-4);
    line-height: 1.5;
}

.tip-link {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: all var(--transition-normal);
}

.tip-link:hover {
    color: var(--text-white);
    text-decoration: underline;
}

/* Footer Styles */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-8) 0 var(--space-4);
    margin-top: var(--space-8);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-logo-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-white);
}

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

.footer-links-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--space-4);
}

.footer-links-list {
    list-style: none;
}

.footer-links-list li {
    margin-bottom: var(--space-2);
}

.footer-links-list a {
    color: var(--text-light);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.footer-links-list a:hover {
    color: var(--text-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    color: var(--text-light);
    transition: all var(--transition-normal);
}

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

/* Dark Mode Toggle */
.dark-mode-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
}

/* Dark Mode Styles */
.dark-mode {
    background: linear-gradient(135deg, #1a1c2c 0%, #4a2b5a 100%);
}

.dark-mode .background-elements .floating-shape {
    opacity: 0.05;
}

.dark-mode .header {
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dark-mode .tool-card,
.dark-mode .feature-card,
.dark-mode .tip-card {
    background: rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.05);
}

.dark-mode .tool-card:hover,
.dark-mode .feature-card:hover,
.dark-mode .tip-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.dark-mode .features-section {
    background: rgba(0, 0, 0, 0.2);
}

.dark-mode .footer {
    background: rgba(0, 0, 0, 0.3);
}

.dark-mode .dark-mode-toggle {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        gap: var(--space-12);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .header .container {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .nav-links {
        gap: var(--space-4);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .tools-grid,
    .features-grid,
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 3px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-shape {
        display: none !important;
    }
}