:root {
    --bg-primary: #002333;
    --bg-secondary: #002333;
    --bg-tertiary: #003344;
    --neon: #00FF84;
    --neon-dim: rgba(0, 255, 132, 0.1);
    --neon-glow: rgba(0, 255, 132, 0.4);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;
    --font-primary: 'Plus Jakarta Sans', sans-serif;
    --font-display: 'Plus Jakarta Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 35, 51, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.navbar.scrolled {
    background: rgba(0, 35, 51, 0.95);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 900;
}

.logo-text {
    color: var(--text-primary);
}

.logo-accent {
    color: var(--neon);
    text-shadow: 0 0 20px var(--neon-glow);
}

.logo-large {
    font-size: 2.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon);
    box-shadow: 0 0 20px var(--neon-glow);
    transition: width 0.3s;
}

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

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

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

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    opacity: 0.6;
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-wrapper {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 4rem;
    width: 100%;
}

.hero-text-content {
    max-width: 700px;
    margin-bottom: 2rem;
}

.hero-image-container {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
    z-index: 2;
}

.hero-image {
    max-width: 100%;
    width: 800px;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(0, 255, 132, 0.2));
    animation: float 6s ease-in-out infinite;
    margin-right: 10rem;
    margin-bottom: 5rem;
    padding-top: 0rem;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    margin-left: 10rem;
    display: flex;
    flex-direction: column;
}

.title-line {
    color: var(--text-primary);
}

.title-gradient {
    background: linear-gradient(135deg, var(--neon), #00cc6a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(1.2);
    }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.1rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    margin-left: 10rem;
    max-width: 600px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--neon);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--neon-glow);
    margin-left: 10rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--neon-glow);
    background: #00ff91;
}

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

.btn-secondary:hover {
    background: var(--neon-dim);
    transform: translateY(-2px);
}

.btn-course {
    width: 100%;
    background: var(--bg-tertiary);
    color: var(--neon);
    border: 1px solid var(--neon);
}

.btn-course:hover {
    background: var(--neon);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--neon-glow);
}

/* Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 700px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon);
    box-shadow: 0 0 20px var(--neo-glow);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--neon);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Sections */
.about,
.courses {
    padding: 6rem 0;
}

.about {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.courses {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 6rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.text-accent {
    color: var(--neon);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards */
.about-grid,
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.glass-card,
.course-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.5rem;
    padding: 3rem;
    transition: all 0.3s;
}

.glass-card:hover,
.course-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon);
    box-shadow: 0 20px 60px rgba(0, 255, 132, 0.2);
}

.card-icon,
.course-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--neon-dim);
    border: 2px solid var(--neon);
    border-radius: 1rem;
    color: var(--neon);
    margin-bottom: 2rem;
    transition: all 0.3s;
}

.course-icon {
    width: 80px;
    height: 80px;
}

.glass-card:hover .card-icon,
.course-card:hover .course-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 0 20px var(--neon-glow);
}

.card-title,
.course-title {
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.card-title {
    font-size: 1.5rem;
}

.course-title {
    font-size: 1.75rem;
}

.card-text,
.course-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

.course-description {
    margin-bottom: 2rem;
}

/* Course Details */
.course-card {
    position: relative;
    transform-style: preserve-3d;
}

.course-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--neon);
    color: var(--bg-primary);
    padding: 0.4rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.course-duration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-level {
    background: var(--neon-dim);
    color: var(--neon);
    padding: 0.3rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.course-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

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

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: 6rem 0 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 6rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-tagline {
    color: var(--text-secondary);
    margin-top: 1.5rem;
    line-height: 1.7;
}

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

.footer-column h4 {
    color: var(--neon);
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

.footer-column ul li {
    margin-bottom: 1rem;
}

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

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

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--neon);
    color: var(--bg-primary);
    border-color: var(--neon);
    transform: translateY(-3px);
    box-shadow: 0 0 20px var(--neon-glow);
}

.neon-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon), transparent);
    margin: 3rem 0;
    box-shadow: 0 0 20px var(--neon-glow);
}

.footer-bottom {
    text-align: center;
}

.copyright {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

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

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(0, 35, 51, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        padding: 3rem 2rem;
        gap: 1.5rem;
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-wrapper {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
        gap: 2rem;
    }

    .hero-text-content {
        margin-bottom: 0;
    }

    .hero-image-container {
        justify-content: center;
        width: 100%;
    }

    .hero-image {
        width: 300px;
        margin-right: 0;
        margin-bottom: 0rem;
        margin-top: 1rem;
    }

    .hero-title {
        font-size: 3rem;
        margin-left: 0;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: 0;
        text-align: center;
    }

    .btn-primary {
        margin-left: 0;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .about-grid,
    .courses-grid,
    .footer-content,
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* Verification Section */
.verification-section {
    min-height: 100vh;
    padding-top: 140px;
    padding-bottom: 6rem;
    display: flex;
    align-items: center;
}

.verification-card {
    max-width: 700px;
    margin: 0 auto;
}

.verification-form {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.form-input {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all 0.3s ease;
    outline: none;
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:focus {
    border-color: var(--neon);
    box-shadow: 0 0 20px var(--neon-glow);
    background: rgba(0, 51, 68, 0.6);
}

.form-input:hover {
    border-color: rgba(0, 255, 132, 0.3);
}

.verification-form .btn-primary {
    width: 100%;
    margin-left: 0;
    font-size: 1.1rem;
    padding: 1.2rem 2rem;
}

.result-container {
    min-height: 100px;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    display: none;
}

.result-container.show {
    display: block;
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-success {
    color: var(--neon);
    text-align: center;
}

.result-error {
    color: #ff5252;
    text-align: center;
}

.result-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.result-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.result-message {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsive adjustments for verification page */
@media (max-width: 768px) {
    .verification-section {
        padding-top: 120px;
    }

    .form-input {
        padding: 1rem 1.2rem;
        font-size: 0.95rem;
    }

    .verification-form .btn-primary {
        padding: 1rem 1.5rem;
    }
}

/* Certificate Details Display */
.certificate-details {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.detail-value {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 1rem;
    text-align: right;
}

.certificate-actions {
    margin-top: 2rem;
    text-align: center;
}

.certificate-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}