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

:root {
    --bg-color: #030303;
    --bg-darker: #000000;
    --card-bg: rgba(10, 10, 12, 0.75);
    --card-border: rgba(0, 255, 102, 0.15);
    --card-border-hover: rgba(0, 255, 102, 0.4);
    
    /* Brand Colors */
    --neon-green: #00ff66;
    --neon-cyan: #00e5ff;
    --grap-orange: #e81686;
    --talentrack-blue: #034bb8;
    --talentrack-purple: #832bb8;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --glow-shadow: 0 0 20px rgba(0, 255, 102, 0.2);
    --glow-shadow-heavy: 0 0 30px rgba(0, 255, 102, 0.4);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
}

/* Cyber Tech Grid Background */
.bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(3, 75, 184, 0.08) 0%, transparent 60%),
        radial-gradient(circle at 10% 20%, rgba(0, 255, 102, 0.04) 0%, transparent 40%),
        linear-gradient(rgba(18, 18, 18, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18, 18, 18, 0.3) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    pointer-events: none;
}

.bg-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    overflow: hidden;
    pointer-events: none;
}

.bg-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    height: 1px;
    width: 150px;
    opacity: 0.3;
    animation: scanLine 8s infinite linear;
}

.bg-line:nth-child(1) { top: 15%; left: -150px; animation-delay: 0s; }
.bg-line:nth-child(2) { top: 45%; left: -150px; animation-delay: 3s; animation-duration: 12s; }
.bg-line:nth-child(3) { top: 75%; left: -150px; animation-delay: 1.5s; animation-duration: 10s; }

@keyframes scanLine {
    0% { left: -150px; }
    100% { left: 100%; }
}

/* Presentation Container */
.presentation-container {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Header & Logo styling */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 40px;
    z-index: 20;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo svg {
    height: 32px;
    width: auto;
}

/* Style the inline SVG text part to white for dark mode */
.brand-logo svg path[fill="#333333"] {
    fill: #ffffff !important;
}

.service-tag {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
    padding: 4px 8px;
    border-radius: 4px;
    box-shadow: var(--glow-shadow);
}

.deck-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* Slides Manager */
.slides-wrapper {
    position: relative;
    flex-grow: 1;
    margin: 0 40px;
    perspective: 1200px;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.98);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 0;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    z-index: 15;
}

.slide.prev {
    transform: translateY(-20px) scale(0.98);
}

/* Slide Typography & Layouts */
.slide-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
    height: 100%;
}

.slide-grid.equal {
    grid-template-columns: 1fr 1fr;
}

.slide-grid.full-width {
    grid-template-columns: 1fr;
}

.slide-header {
    margin-bottom: 24px;
}

.slide-number {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--neon-green);
    text-shadow: var(--glow-shadow);
    margin-bottom: 8px;
    display: inline-block;
}

.slide-title {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    background: linear-gradient(135deg, #fff 30%, var(--neon-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.slide-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-top: 16px;
    max-width: 600px;
}

/* Interactive Cards & Grids */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    width: 100%;
}

.grid-container.three-cols {
    grid-template-columns: repeat(3, 1fr);
}

.tech-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 24px;
    backdrop-filter: blur(12px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.tech-card:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 102, 0.08), var(--glow-shadow);
}

.tech-card:hover::before {
    transform: translateX(100%);
}

.tech-card.orange-accent::before {
    background: linear-gradient(90deg, transparent, var(--grap-orange), transparent);
}
.tech-card.orange-accent:hover {
    box-shadow: 0 10px 30px rgba(232, 22, 134, 0.08), 0 0 20px rgba(232, 22, 134, 0.2);
    border-color: rgba(232, 22, 134, 0.4);
}

.tech-card.cyan-accent::before {
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
}
.tech-card.cyan-accent:hover {
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.08), 0 0 20px rgba(0, 229, 255, 0.2);
    border-color: rgba(0, 229, 255, 0.4);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: inline-block;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.card-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Slide specific features */
/* Slide 1 Hero styling */
.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-tag {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--neon-green);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 24px;
    display: block;
    text-shadow: var(--glow-shadow-heavy);
    animation: pulse 2s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.7; text-shadow: var(--glow-shadow); }
    100% { opacity: 1; text-shadow: var(--glow-shadow-heavy); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4.8rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 30%, var(--neon-green) 70%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.btn-start {
    background: transparent;
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    padding: 16px 36px;
    border-radius: 50px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    box-shadow: var(--glow-shadow);
}

.btn-start:hover {
    background: var(--neon-green);
    color: var(--bg-darker);
    box-shadow: var(--glow-shadow-heavy);
    transform: translateY(-2px);
}

/* Tabs switcher for language guidelines */
.tabs-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tab-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.tab-btn {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.tab-btn.active {
    background: var(--neon-green);
    color: var(--bg-darker);
    border-color: var(--neon-green);
    font-weight: bold;
    box-shadow: var(--glow-shadow);
}

.tab-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 24px;
    flex-grow: 1;
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.spec-table th, .spec-table td {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.spec-table th {
    font-family: var(--font-heading);
    color: var(--neon-green);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.spec-table td {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.spec-highlight {
    color: #fff;
    font-weight: 500;
}

/* Flowchart design */
.process-flow {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
}

.process-flow::before {
    content: '';
    position: absolute;
    top: 20px;
    bottom: 20px;
    left: 25px;
    width: 2px;
    background: linear-gradient(180deg, var(--neon-green), var(--neon-cyan));
    opacity: 0.3;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 5;
}

.step-num {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-darker);
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    box-shadow: var(--glow-shadow);
    transition: all 0.3s ease;
}

.flow-step:hover .step-num {
    background: var(--neon-green);
    color: var(--bg-darker);
    box-shadow: var(--glow-shadow-heavy);
}

.step-info {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 16px 20px;
    border-radius: 8px;
    flex-grow: 1;
    backdrop-filter: blur(12px);
}

.step-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    margin-bottom: 4px;
}

.step-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Footer / Presentation Controls */
footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 40px;
    z-index: 20;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-grow: 1;
    max-width: 500px;
}

.slide-progress-bar {
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    flex-grow: 1;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 8.33%; /* Updated by JS */
    background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan));
    box-shadow: var(--glow-shadow);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.progress-text {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.controls {
    display: flex;
    gap: 12px;
}

.control-btn {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-secondary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.control-btn:hover {
    background: var(--neon-green);
    border-color: var(--neon-green);
    color: var(--bg-darker);
    box-shadow: var(--glow-shadow);
}

.control-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: rgba(255,255,255,0.01);
    border-color: rgba(255,255,255,0.05);
    color: var(--text-muted);
}

.shortcuts-tip {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

/* Responsive Overrides */
@media(max-width: 900px) {
    .slide-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .slide-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .grid-container.three-cols {
        grid-template-columns: 1fr;
    }
    
    header {
        padding: 16px 20px;
    }
    
    footer {
        padding: 16px 20px;
        flex-direction: column;
        gap: 16px;
    }
    
    .progress-container {
        width: 100%;
        max-width: none;
    }
    
    .slides-wrapper {
        margin: 0 20px;
    }
}