/* CSS Variables */
:root {
    --bg-dark: #0a0e1a;
    --bg-card: rgba(20, 25, 45, 0.6);
    --accent-primary: #00ff88;
    --accent-secondary: #00d4ff;
    --text-primary: #ffffff;
    --text-secondary: #a0a8c0;
    --gradient-1: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    --gradient-2: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Animated background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 255, 136, 0.04) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundShift 20s ease infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(20px);
    background: rgba(10, 14, 26, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 1rem 5%;
    background: rgba(10, 14, 26, 0.95);
}

.logo {
    font-family: 'Space Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.cta-button {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 8px;
    color: var(--bg-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    font-size: 0.9rem;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

/* Mobile menu */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 5% 4rem;
    position: relative;
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.btn-primary {
    padding: 1rem 2.5rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 10px;
    color: var(--bg-dark);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.4);
}

.btn-secondary {
    padding: 1rem 2.5rem;
    background: transparent;
    border: 2px solid var(--accent-primary);
    border-radius: 10px;
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(0, 255, 136, 0.1);
    transform: translateY(-3px);
}

/* Floating particles */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
}

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

/* Section styling */
section {
    padding: 5rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 3rem;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin: -2rem auto 4rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2.5rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 60px rgba(0, 255, 136, 0.15);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

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

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Stats Section */
.stats-section {
    background: var(--gradient-2);
    border-radius: 30px;
    padding: 4rem 3rem;
    margin: 5rem 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Mentoring Section */
.mentoring-section {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    padding: 4rem 3rem;
    text-align: center;
    margin: 5rem 0;
}

.mentoring-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.mentoring-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cal-container {
    margin-top: 2rem;
    min-height: 700px;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cal-container iframe {
    border-radius: 15px;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

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

.contact-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-detail-icon {
    font-size: 1.5rem;
}

.contact-form {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.05);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.submit-btn {
    width: 100%;
    padding: 1.2rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 10px;
    color: var(--bg-dark);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

/* Footer */
footer {
    padding: 3rem 5%;
    background: rgba(20, 25, 45, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-logo {
    font-family: 'Space Mono', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

footer p {
    color: var(--text-secondary);
    margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(10, 14, 26, 0.98);
        flex-direction: column;
        padding: 8rem 2rem 2rem;
        backdrop-filter: blur(20px);
        transition: right 0.4s ease;
        border-left: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 1.2rem;
        padding: 1rem 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero {
        padding: 6rem 5% 3rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    section {
        padding: 3rem 5%;
    }
}

@media (max-width: 640px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .mentoring-section,
    .stats-section {
        padding: 2.5rem 1.5rem;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}