/* Modern Dark Purple & Teal Theme */
:root {
    --bg-color: #191637;
    --bg-accent: #23204d;
    --primary: #00e5b0;
    --secondary: #6c62ff;
    --text-color: #e9e9e9;
    --text-secondary: #adb5bd;
    --dark-accent: #100e29;
    --card-bg: #231f45;
    --border-color: #312c63;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    --glow: 0 0 15px rgba(0, 229, 176, 0.5);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* Noise overlay for texture */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/png;base64,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');
    opacity: 0.025;
    pointer-events: none;
    z-index: -1;
}

/* Improve container spacing */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2.5rem; /* Increased padding */
}

/* Improve section spacing */
section {
    padding: 7rem 0; /* Increased padding */
    position: relative;
    overflow: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(120deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.highlight {
    color: var(--primary);
}

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

a:hover {
    color: var(--primary);
}

/* Header & Navigation */
header {
    padding: 1.5rem 0;
    background-color: rgba(25, 22, 55, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(108, 98, 255, 0.2);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
    gap: 2rem; /* Added consistent gap between navigation links */
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    position: relative;
    padding: 0.5rem 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s;
}

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

.nav-link {
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

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

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

/* Buttons */
.btn-primary, 
.btn-secondary {
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--dark-accent);
    border: none;
}

.btn-primary:hover {
    background-color: var(--primary);
    box-shadow: var(--glow);
    transform: translateY(-2px);
    color: var(--dark-accent);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background-color: rgba(0, 229, 176, 0.1);
    transform: translateY(-2px);
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(108, 98, 255, 0.2), transparent 70%);
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at bottom left, rgba(0, 229, 176, 0.1), transparent 70%);
    z-index: -1;
}

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

.hero h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.hero p {
    font-size: 1.1rem;
    max-width: 500px;
    margin-bottom: 2.5rem;
}

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

/* Code Window */
.code-window {
    background-color: var(--bg-accent);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: all 0.3s ease;
}

.code-window:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(1deg) scale(1.02);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.code-header {
    background-color: var(--dark-accent);
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.circle {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.red { background-color: #ff5f56; }
.yellow { background-color: #ffbd2e; }
.green { background-color: #27c93f; }

.window-title {
    margin-left: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.code-content {
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
}

/* Syntax highlighting for code */
.comment { color: #6c7a89; }
.keyword { color: #ff7edb; }
.string { color: #ffcc66; }
.function { color: #66d9ef; }
.variable { color: #f8f8f2; }
.class { color: #a5e844; }
.method { color: #50fa7b; }

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: var(--dark-accent);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: var(--dark-accent);
}

.feature-card h3 {
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Languages Section */
.languages {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.language-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease;
}

.language-icon:hover {
    transform: translateY(-10px);
}

.language-icon i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary);
    transition: color 0.3s;
}

.language-icon:hover i {
    color: var(--primary);
}

.language-icon span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* About Section */
.about {
    padding: 6rem 0;
    background-color: var(--dark-accent);
    position: relative;
}

.about-content {
    display: flex;
    justify-content: center;
}

.about-text {
    max-width: 800px;
    text-align: center;
}

.stats {
    display: flex;
    justify-content: space-around;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
footer {
    padding-top: 4rem;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    padding-bottom: 3rem;
}

.footer-brand p {
    margin-top: 1rem;
    margin-bottom: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.1rem;
}

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

.footer-column li {
    margin-bottom: 0.8rem;
}

.footer-column a {
    color: var(--text-secondary);
    transition: color 0.3s;
}

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

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary);
    color: var(--dark-accent);
}

.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Profile Menu Styles */
.profile-menu {
    position: relative;
    display: inline-block;
}

.profile-button {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 50px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.profile-button:hover {
    background-color: var(--border-color);
}

.profile-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-accent);
    font-weight: 600;
}

.profile-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.profile-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 200px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.profile-menu.active .profile-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(5px);
}

.profile-header {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.profile-email {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-dropdown-items {
    padding: 8px 0;
}

.profile-dropdown-item {
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    transition: all 0.2s ease;
    cursor: pointer;
}

.profile-dropdown-item:hover {
    background-color: var(--border-color);
    color: var(--primary);
}

.profile-dropdown-item i {
    width: 20px;
    text-align: center;
}

.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

.certificate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.certificate-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.certificate-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-image {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    background: var(--bg-accent);
}

.card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    color: var(--text-primary);
}

.card-meta {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.category-section {
    scroll-margin-top: 80px;
}

/* Tutorial Cards and Buttons */
.tutorial-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tutorial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.button-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

/* Button Group Styles */
.button-group button {
    flex: 1;
    min-width: 120px;
    padding: 0.8rem 1.2rem;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button-group .btn-primary {
    background: var(--primary);
    color: var(--dark-accent);
}

.button-group .btn-secondary {
    background: var(--secondary);
    color: var(--text-color);
}

.button-group button:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

/* Certificate Quick Access */
.certificates-container {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.cert-btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    background: var(--primary);
    color: var(--dark-accent);
}

.cert-btn.free {
    background: var(--secondary);
    color: var(--text-color);
}

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

/* Provider Grid */
.provider-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.provider-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.provider-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.provider-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
}

.provider-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.provider-card h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-color);
}

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: all 0.3s ease;
}

@media (max-width: 992px) {
    .mobile-nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        max-width: 400px;
        background-color: var(--bg-accent);
        flex-direction: column;
        padding: 5rem 2rem;
        transition: right 0.3s ease;
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 1rem 0;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .feature-cards {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .language-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 1.5rem;
    }

    .stats {
        gap: 2rem;
    }

    .stat {
        flex-basis: calc(50% - 1rem);
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }

    .hero {
        padding: 4rem 0;
    }

    .code-window {
        transform: none;
    }

    .code-window:hover {
        transform: translateY(-5px);
    }

    .feature-cards {
        grid-template-columns: 1fr;
    }

    .stat {
        flex-basis: 100%;
    }

    .language-icon i {
        font-size: 2.5rem;
    }
}