/* J7 Creations - Main Stylesheet */

/* CSS Variables - Dark Theme (Default) */
:root {
    --color-bg-dark: #1a1a1a;
    --color-bg-darker: #0f0f0f;
    --color-text-white: #ffffff;
    --color-text-gray: #b0b0b0;
    --color-gradient-start: #6b4c9a;
    --color-gradient-mid: #2d8a6e;
    --color-gradient-end: #c43d4e;
    --color-accent: #6b4c9a;
    --color-border: #333333;
    --color-card-bg: #1f1f1f;
    --color-input-bg: #2a2a2a;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

/* Light Theme */
[data-theme="light"] {
    --color-bg-dark: #f5f5f5;
    --color-bg-darker: #ffffff;
    --color-text-white: #1a1a1a;
    --color-text-gray: #555555;
    --color-accent: #6b4c9a;
    --color-border: #e0e0e0;
    --color-card-bg: #ffffff;
    --color-input-bg: #f0f0f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-gray);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-gradient-mid);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: var(--color-text-white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(107, 76, 154, 0.4);
}

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

.btn-secondary:hover {
    background: var(--color-accent);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-darker);
    padding: var(--spacing-sm) 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Theme Toggle */
.theme-toggle {
    background: linear-gradient(135deg, #6b4c9a, #c43d4e) !important;
    border: 2px solid #ffffff !important;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex !important;
    align-items: center;
    justify-content: center;
    margin-left: var(--spacing-sm);
    transition: all 0.3s ease;
    flex-shrink: 0;
    font-size: 20px;
    line-height: 1;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(107, 76, 154, 0.5);
}

.theme-toggle::before {
    content: '🌙';
    display: block;
}

[data-theme="light"] .theme-toggle::before {
    content: '☀️';
    display: block;
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-white);
    font-weight: 500;
}

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

.nav-cta {
    background: var(--color-accent);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-text-white);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background: var(--color-text-white);
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(26,26,26,0.85), rgba(15,15,15,0.9)),
                url('../assets/images/j7-logo.png');
    background-size: cover, 60%;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
    text-align: center;
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-gray);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-bg-darker);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

.service-desc {
    margin-bottom: var(--spacing-xs);
}

.service-audience {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.service-link {
    font-weight: 600;
}

/* Capabilities Section */
.capabilities {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-darker);
}

.capabilities-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.capability-column {
    background: var(--color-bg-dark);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.capability-column h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.capability-column ul {
    list-style: none;
}

.capability-column li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-gray);
}

/* Advantage Section */
.advantage {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

.advantage-intro {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-white);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.advantage-item {
    background: var(--color-bg-darker);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
}

.advantage-item h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-darker);
}

.portfolio-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-text-white);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover,
.tab-btn.active {
    border-color: var(--color-accent);
    background: var(--color-accent);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.portfolio-item {
    background: var(--color-bg-dark);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

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

.portfolio-item h4 {
    padding: var(--spacing-sm);
    font-size: 1rem;
}

.portfolio-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Why J7 Section */
.why-j7 {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.why-item {
    background: var(--color-bg-darker);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.why-item h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-darker);
}

.contact-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-white);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.contact-direct {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-bg-dark);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.contact-area {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    padding: var(--spacing-md) 0;
    background: var(--color-bg-darker);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-darker);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 6px var(--shadow-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-menu.active {
        display: flex;
        max-height: 400px;
    }
    
    .nav-menu li {
        margin: var(--spacing-xs) 0;
    }
    
    .nav-toggle {
        display: block;
        z-index: 1001;
    }
    
    /* Hero Section Mobile */
    .hero {
        padding: var(--spacing-lg) 0;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    /* Capabilities Table */
    .capabilities-table {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .capability-column {
        padding: var(--spacing-md);
    }
    
    /* Advantage Grid */
    .advantage-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .advantage-item {
        padding: var(--spacing-md);
    }
    
    /* Portfolio Tabs */
    .portfolio-tabs {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-xs);
    }
    
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Why Grid */
    .why-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Contact Form */
    .contact-form {
        padding: 0 var(--spacing-sm);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Buttons */
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    /* Section Padding */
    .services,
    .capabilities,
    .advantage,
    .portfolio,
    .why-j7,
    .contact {
        padding: var(--spacing-lg) 0;
    }
    
    /* Container */
    .container {
        padding: 0 var(--spacing-sm);
    }
}