@font-face {
    font-family: 'Thmanyah Sans';
    src: url('./fonts/thmanyahsans/thmanyahsans-Light.woff2') format('woff2');
    font-weight: 300;
    font-style: normal;
}
@font-face {
    font-family: 'Thmanyah Sans';
    src: url('./fonts/thmanyahsans/thmanyahsans-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
}
@font-face {
    font-family: 'Thmanyah Sans';
    src: url('./fonts/thmanyahsans/thmanyahsans-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
}
@font-face {
    font-family: 'Thmanyah Sans';
    src: url('./fonts/thmanyahsans/thmanyahsans-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
}
:root {
    --bg-primary: #FAFAFA; 
    --bg-secondary: #FFFFFF; 
    --bg-tertiary: #F2F2F2; 
    --text-primary: #1A1A1A; 
    --text-secondary: #4A4A4A; 
    --text-muted: #757575; 
    --accent-color: #0A192F; 
    --accent-hover: #172A45;
    --border-color: #E0E0E0;
    --transition: all 0.3s ease-out;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Thmanyah Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
a {
    text-decoration: none;
    color: var(--accent-color);
    transition: var(--transition);
}
ul {
    list-style: none;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5%;
}
.section-padding {
    padding: 120px 0;
}
.bg-white {
    background-color: var(--bg-secondary);
}
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.3;
    font-weight: 500;
}
.section-title {
    font-size: 2.2rem;
    margin-bottom: 60px;
    font-weight: 400;
    position: relative;
    padding-bottom: 20px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0; 
    width: 60px;
    height: 2px;
    background-color: var(--accent-color);
}
p {
    max-width: 70ch; 
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: 1px solid var(--accent-color);
    cursor: pointer;
    transition: var(--transition);
    background-color: transparent;
}
.btn-primary {
    background-color: var(--accent-color);
    color: #FFFFFF;
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--accent-hover);
    color: #FFFFFF;
}
.btn-outline {
    color: var(--accent-color);
}
.btn-outline:hover, .btn-outline:focus {
    background-color: var(--bg-tertiary);
}
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 25px 0;
    background-color: rgba(250, 250, 250, 0.98);
    backdrop-filter: blur(5px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: padding 0.3s ease;
}
.navbar.scrolled {
    padding: 15px 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}
.nav-links {
    display: flex;
    gap: 35px;
}
.nav-links li a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}
.nav-links li a:hover {
    color: var(--accent-color);
}
.nav-links li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 0%;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition);
}
.nav-links li a:hover::after {
    width: 100%;
}
.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background-color: var(--bg-secondary);
}
.hero-content {
    max-width: 800px;
}
.hero-title {
    font-size: 3.5rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}
.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 2rem;
    max-width: 60ch;
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}
.about-text p {
    font-size: 1.1rem;
}
.skills-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.skill-item {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}
.skill-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}
.skill-item p {
    font-size: 0.95rem;
    margin-bottom: 0;
}
.case-studies {
    display: flex;
    flex-direction: column;
    gap: 80px;
}
.case-study {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border-color);
}
.case-study:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.case-header h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}
.case-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    display: block;
}
.case-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.case-section h4 {
    font-size: 1rem;
    color: var(--accent-color);
    margin-bottom: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.case-section p {
    font-size: 0.95rem;
    margin-bottom: 0;
}
.timeline {
    position: relative;
    padding-right: 30px; 
}
.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background-color: var(--border-color);
}
.timeline-item {
    position: relative;
    margin-bottom: 50px;
}
.timeline-item:last-child {
    margin-bottom: 0;
}
.timeline-item::before {
    content: '';
    position: absolute;
    top: 5px;
    right: -34px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 2px solid var(--accent-color);
}
.timeline-date {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}
.timeline-title {
    font-size: 1.3rem;
    margin-bottom: 5px;
}
.timeline-company {
    font-size: 1rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    font-weight: 500;
}
.academic-table-container {
    overflow-x: auto;
}
.academic-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
}
.academic-table th, .academic-table td {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}
.academic-table th {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
}
.academic-table tr:last-child td {
    border-bottom: none;
}
.academic-table .cert-year {
    color: var(--text-muted);
    width: 10%;
}
.academic-table .cert-name {
    font-weight: 500;
    color: var(--text-primary);
    width: 45%;
}
.academic-table .cert-issuer {
    color: var(--text-secondary);
    width: 30%;
}
.academic-table .cert-link {
    width: 15%;
    text-align: left;
}
.cert-action {
    color: var(--accent-color);
    font-size: 0.9rem;
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: var(--transition);
}
.cert-action:hover {
    text-decoration-color: var(--accent-color);
}
.vuln-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.vuln-item {
    padding: 30px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}
.vuln-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}
.vuln-header h3 {
    font-size: 1.2rem;
    margin: 0;
    direction: ltr; 
}
.vuln-item p {
    direction: ltr;
    text-align: left;
}
.footer {
    padding: 80px 0 40px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}
.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}
.footer-contact h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.contact-info a {
    color: var(--text-secondary);
    font-size: 1rem;
}
.contact-info a:hover {
    color: var(--accent-color);
}
.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    visibility: hidden;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, visibility;
}
.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
    visibility: visible;
}
@media (max-width: 992px) {
    .about-grid, .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-title {
        font-size: 2.8rem;
    }
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hamburger {
        display: block;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .case-details {
        grid-template-columns: 1fr;
    }
    .academic-table th, .academic-table td {
        padding: 15px 10px;
    }
}