/* Tech Theme with Material Design */
:root {
    --primary-blue: #0097A7;
    --accent-cyan: #00BCD4;
    --neon-blue: #03DAC6;
    --dark-bg: #121212;
    --dark-surface: #1E1E1E;
    --text-light: #FFFFFF;
    --text-secondary: #B0BEC5;
    --shadow-color: rgba(0, 188, 212, 0.3);
}

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

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1A1A2E 50%, #16213E 100%);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
.navbar-custom {
    background: rgba(30, 30, 30, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--accent-cyan);
}

.navbar-custom .brand-logo {
    color: var(--neon-blue) !important;
    font-weight: bold;
    font-size: 1.8rem;
}

.navbar-custom .nav-wrapper ul li a {
    color: var(--text-light) !important;
    transition: color 0.3s ease;
}

.navbar-custom .nav-wrapper ul li a:hover {
    color: var(--accent-cyan) !important;
}

/* Hero Section */
.hero-section {
    padding: 80px 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 300;
    margin-bottom: 30px;
    background: linear-gradient(45deg, var(--neon-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
    text-align: left;
}

/* Cards */
.card {
    background: var(--dark-surface) !important;
    border-radius: 12px !important;
    margin: 20px 0;
    box-shadow: 0 8px 32px var(--shadow-color) !important;
    border: 1px solid rgba(0, 188, 212, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px var(--shadow-color) !important;
}

.card-content {
    color: var(--text-light) !important;
    text-align: left;
}

.card-title {
    color: var(--neon-blue) !important;
    font-weight: 500;
}

/* Buttons */
.btn, .btn-large {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan)) !important;
    border: none !important;
    border-radius: 8px !important;
    text-transform: none !important;
    font-weight: 500 !important;
    box-shadow: 0 4px 16px rgba(0, 151, 167, 0.4) !important;
    transition: all 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
}

.btn:hover, .btn-large:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(0, 151, 167, 0.6) !important;
}

.btn-download {
    margin: 10px;
    min-width: 200px;
    height: 56px;
}

/* Screenshots Gallery */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.screenshot-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.screenshot-card:hover {
    transform: scale(1.05);
}

.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 188, 212, 0.3);
}

/* Privacy Accept Button (Flutter Integration) */
.privacy-accept-btn {
    position: fixed !important;
    bottom: 20px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    z-index: 9999 !important;
    background: linear-gradient(135deg, #4CAF50, #8BC34A) !important;
    color: white !important;
    border: none !important;
    padding: 16px 32px !important;
    border-radius: 12px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    box-shadow: 0 8px 24px rgba(76, 175, 80, 0.5) !important;
    cursor: pointer !important;
    display: none;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    min-width: 200px !important;
    height: 56px !important;
}

.privacy-accept-btn:hover {
    background: linear-gradient(135deg, #45a049, #7cb342) !important;
    transform: translateX(-50%) translateY(-2px) !important;
}

/* Features Section */
.features-section {
    padding: 80px 0;
}

.feature-icon {
    font-size: 3rem;
    color: var(--accent-cyan);
    margin-bottom: 20px;
}

/* Footer */
.page-footer {
    background: var(--dark-surface) !important;
    border-top: 2px solid var(--accent-cyan);
    margin-top: 80px;
}

/* Forms */
.input-field input[type=text]:focus,
.input-field input[type=email]:focus,
.input-field textarea:focus {
    border-bottom: 1px solid var(--accent-cyan) !important;
    box-shadow: 0 1px 0 0 var(--accent-cyan) !important;
}

.input-field input[type=text],
.input-field input[type=email],
.input-field textarea {
    color: var(--text-light) !important;
    background: transparent !important;
}

.input-field input[type=text]::placeholder,
.input-field input[type=email]::placeholder,
.input-field textarea::placeholder {
    color: var(--text-secondary) !important;
    opacity: 0.8;
}

.input-field label {
    color: var(--text-secondary) !important;
}

.input-field label.active {
    color: var(--accent-cyan) !important;
}

/* Select dropdown styling */
.select-wrapper input.select-dropdown {
    color: var(--text-light) !important;
    background: transparent !important;
    border-bottom: 1px solid var(--text-secondary) !important;
}

.dropdown-content {
    background-color: var(--dark-surface) !important;
    border: 1px solid var(--accent-cyan) !important;
}

.dropdown-content li {
    color: var(--text-light) !important;
}

.dropdown-content li:hover {
    background-color: rgba(0, 188, 212, 0.2) !important;
}

.dropdown-content li.selected {
    background-color: rgba(0, 188, 212, 0.3) !important;
}

/* File input styling */
.file-field .file-path {
    color: var(--text-light) !important;
}

.file-field .file-path::placeholder {
    color: var(--text-secondary) !important;
    opacity: 0.8;
}

/* Helper text */
.helper-text {
    color: var(--text-secondary) !important;
}

/* Responsive Design */
@media only screen and (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
}

@media only screen and (max-width: 600px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 40px 0;
    }
    
    .btn-download {
        min-width: 160px;
        margin: 5px;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }
}

/* Lightbox for screenshots */
.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.lightbox-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    max-height: 90%;
}

.lightbox img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.8s ease-in-out forwards;
    opacity: 1 !important;
}

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

.slide-up {
    animation: slideUp 0.6s ease-out;
}

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