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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* ===== FILE UPLOAD & DRAG DROP STYLES ===== */

/* File Drop Area */
.file-drop-area {
    border: 2px dashed rgba(76, 175, 80, 0.3);
    border-radius: 15px;
    background: rgba(30, 30, 56, 0.3);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.file-drop-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.file-drop-area:hover {
    border-color: rgba(76, 175, 80, 0.6);
    background: rgba(30, 30, 56, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.1);
}

.file-drop-area:hover::before {
    opacity: 1;
}

.file-drop-area.drag-over {
    border-color: #4CAF50;
    background: rgba(76, 175, 80, 0.1);
    transform: scale(1.02);
}

.file-drop-area.drag-over::before {
    opacity: 1;
}

.file-drop-content {
    position: relative;
    z-index: 2;
}

.file-drop-content i {
    color: rgba(76, 175, 80, 0.8);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.file-drop-area:hover .file-drop-content i {
    color: #4CAF50;
    transform: scale(1.1);
}

.file-drop-content h5 {
    color: #ffffff;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.file-drop-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

/* Modern Buttons */
.btn-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.btn-outline-modern {
    background: transparent;
    color: rgba(76, 175, 80, 0.9);
    border: 2px solid rgba(76, 175, 80, 0.3);
}

.btn-outline-modern:hover {
    background: rgba(76, 175, 80, 0.1);
    border-color: #4CAF50;
    color: #4CAF50;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.2);
}

.btn-primary-modern {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
}

.btn-primary-modern:hover {
    background: linear-gradient(135deg, #45a049, #3d8b40);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

.btn-modern:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Uploaded File Container */
.uploaded-file-container {
    margin-top: 1rem;
}

.uploaded-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(30, 30, 56, 0.6);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 12px;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.uploaded-file-item:hover {
    background: rgba(30, 30, 56, 0.8);
    border-color: rgba(76, 175, 80, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.file-info i {
    color: #4CAF50;
    font-size: 1.25rem;
}

.file-details {
    flex: 1;
}

.file-name {
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.file-size {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.file-actions {
    display: flex;
    gap: 0.5rem;
}

/* Modern Card Styles */
.modern-card {
    background: linear-gradient(135deg, rgba(30, 30, 56, 0.8), rgba(45, 45, 70, 0.8));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    overflow: hidden;
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(76, 175, 80, 0.3);
}

.modern-card .card-body {
    position: relative;
    z-index: 2;
}

/* Alert Styles */
.alert-permanent {
    background: rgba(30, 30, 56, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    backdrop-filter: blur(5px);
}

.alert-info {
    border-left: 4px solid #2196F3;
    background: rgba(33, 150, 243, 0.1);
}

.alert-secondary {
    border-left: 4px solid #6c757d;
    background: rgba(108, 117, 125, 0.1);
}

/* Form Styles */
.form-label {
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    line-height: 1.4;
}

.form-check-label {
    color: #ffffff;
    font-weight: 500;
    cursor: pointer;
}

.form-check-input {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.form-check-input:checked {
    background-color: #4CAF50;
    border-color: #4CAF50;
}

/* Transcription Text Area */
.transcription-text {
    background: rgba(20, 20, 35, 0.8) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: #ffffff !important;
    border-radius: 10px;
    padding: 1.5rem;
    line-height: 1.8;
    font-size: 1rem;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.transcription-text:focus {
    outline: none;
    border-color: rgba(76, 175, 80, 0.5) !important;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

/* Badge Styles */
.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.8rem;
}

.bg-success {
    background: linear-gradient(135deg, #10b981, #059669) !important;
}

.bg-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
}

.bg-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
}

.bg-info {
    background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
}

.bg-primary {
    background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
}

/* Progress Bar */
.progress {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    height: 8px;
}

.progress-bar {
    background: linear-gradient(90deg, #4CAF50, #45a049);
    transition: width 0.3s ease;
    border-radius: 10px;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% {
        background-position: 1rem 0;
    }
    100% {
        background-position: 0 0;
    }
}

/* Utility Classes */
.d-none {
    display: none !important;
}

.d-flex {
    display: flex !important;
}

.d-grid {
    display: grid !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.align-items-center {
    align-items: center !important;
}

.text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
}

.text-white {
    color: #ffffff !important;
}

.text-secondary {
    color: rgba(255, 255, 255, 0.7) !important;
}

.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.ms-1 { margin-left: 0.25rem !important; }

.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }

.fs-6 { font-size: 1rem !important; }

.border { border: 1px solid rgba(255, 255, 255, 0.2) !important; }
.rounded { border-radius: 0.375rem !important; }

/* Hero Section for Transcribe Page */
.hero-section {
    background: linear-gradient(135deg, rgba(15, 15, 35, 0.9) 0%, rgba(26, 26, 46, 0.9) 50%, rgba(22, 33, 62, 0.9) 100%);
    position: relative;
    overflow: hidden;
    padding: 6rem 0 4rem;
    margin-top: 80px; /* Account for fixed navbar */
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

/* Tablet ve küçük ekranlar */
@media (max-width: 768px) {
    .file-drop-area {
        padding: 2rem 1rem;
    }
    
    .hero-section {
        padding: 4rem 0 2rem;
    }
    
    .modern-card {
        margin-bottom: 1rem;
    }
    
    .uploaded-file-item {
        padding: 0.75rem 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .file-info {
        width: 100%;
    }
    
    .file-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .btn-modern {
        padding: 0.625rem 1.25rem;
        font-size: 0.85rem;
    }
}

/* Mobil cihazlar */
@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .file-drop-area {
        padding: 1.5rem 1rem;
    }
    
    .file-drop-content h5 {
        font-size: 1rem;
    }
    
    .file-drop-content p {
        font-size: 0.875rem;
    }
    
    .hero-section {
        padding: 3rem 0 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .modern-card .card-body {
        padding: 1rem;
    }
    
    .uploaded-file-item {
        padding: 0.5rem 0.75rem;
    }
    
    .btn-modern {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
        width: 100%;
        justify-content: center;
    }
    
    .transcription-text {
        padding: 1rem;
        font-size: 0.9rem;
    }
}

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Renkler - Modern Dark/Light Theme */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #06b6d4;
    --secondary-dark: #0891b2;
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Background Colors */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1e1e38;
    --bg-glass: rgba(255, 255, 255, 0.05);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #6b7280;
    --text-accent: var(--primary-light);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    --gradient-text: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-tooltip: 1070;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.justify-center { justify-items: center; }

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: var(--z-fixed);
    padding: 0.75rem 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(15, 15, 35, 0.98);
    box-shadow: var(--shadow-lg);
}

.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;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.nav-logo i {
    color: var(--primary);
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all var(--transition-normal);
    padding: 0.5rem 0;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.25rem;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
    padding: 10rem 0 8rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-accent);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.code-animation {
    width: 400px;
    height: 300px;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.code-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-line {
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 4px;
    margin: 1rem 0;
    opacity: 0;
    animation: codeTyping 2s ease-in-out infinite;
}

.code-line:nth-child(1) { width: 80%; animation-delay: 0s; }
.code-line:nth-child(2) { width: 60%; animation-delay: 0.5s; }
.code-line:nth-child(3) { width: 90%; animation-delay: 1s; }
.code-line:nth-child(4) { width: 70%; animation-delay: 1.5s; }

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.hero-scroll a:hover {
    color: var(--primary-light);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

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

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

/* ===== SECTIONS ===== */
section {
}

.section-header {
    text-align: center;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.skill-item i {
    font-size: 1.5rem;
    color: var(--primary);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-light);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== SERVICES SECTION ===== */
.services {
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* ===== PROJECTS SECTION ===== */
.projects {
    background: var(--bg-secondary);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--bg-tertiary);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-link {
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.project-link:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.project-tech span {
    padding: 0.25rem 0.75rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ===== API SECTION ===== */
.api-section {
    background: var(--bg-primary);
}

.api-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.api-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.api-info p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.api-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-item i {
    color: var(--primary);
    font-size: 1.25rem;
}

.code-example {
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-title {
    font-weight: 600;
    color: var(--text-primary);
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.copy-btn:hover {
    background: var(--primary);
    color: white;
}

.code-example pre {
    padding: 1.5rem;
    margin: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
    overflow-x: auto;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-info p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-items {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
}

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

.social-links a {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* ===== FORM STYLES ===== */
.contact-form {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-muted);
    font-size: 1rem;
    transition: all var(--transition-normal);
    pointer-events: none;
    background: var(--bg-tertiary);
    padding: 0 0.5rem;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0.75rem;
    font-size: 0.875rem;
    color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-primary);
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-fixed);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(15, 15, 35, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content,
    .api-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .code-animation {
        width: 300px;
        height: 200px;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .api-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .service-card,
    .project-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-filter {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .code-animation {
        width: 250px;
        height: 150px;
    }
}