:root {
    --bg-primary: #0f111a;
    --bg-secondary: #1a1e2d;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent-color: #00f0ff;
    --accent-glow: #00f0ff88;
    --purple-accent: #b026ff;
    --glass-bg: rgba(26, 30, 45, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    --font-main: 'Inter', sans-serif;
    --radius-main: 15px;
    --radius-btn: 8px;
    --border-width: 1px;
    --shadow-main: 0 20px 40px rgba(0, 0, 0, 0.4);
    --shadow-btn: 0 0 15px var(--accent-glow);
    --shadow-hover: 0 0 25px var(--accent-glow);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
}

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

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

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: var(--radius-main);
    border: var(--border-width) solid var(--glass-border);
}

#app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: var(--bg-secondary);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    border-right: var(--border-width) solid var(--glass-border);
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.highlight {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-glow);
}

.nav-links {
    list-style: none;
    flex-grow: 1;
}

.nav-links li {
    margin-bottom: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 12px 15px;
    border-radius: var(--radius-btn);
    transition: var(--transition-fast);
}

.nav-item:hover,
.nav-item.active {
    color: var(--text-primary);
    background: var(--glass-bg);
    box-shadow: inset 4px 0 0 var(--accent-color);
}

.nav-item i {
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.socials {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding-top: 1rem;
    border-top: var(--border-width) solid var(--glass-border);
    margin-top: auto;
}

.socials a {
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.socials a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.main-content {
    flex-grow: 1;
    margin-left: 250px;
    padding: 3rem;
    position: relative;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
}

.page-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.page-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

.btn {
    padding: 12px 24px;
    border: var(--border-width) solid transparent;
    border-radius: var(--radius-btn);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #0f111a;
    box-shadow: var(--shadow-btn);
}

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

.btn-secondary {
    background-color: var(--glass-bg);
    color: var(--text-primary);
    border-color: var(--accent-color);
}

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

.animated-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(15, 17, 26, 0.82), rgba(15, 17, 26, 0.95)), url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
}

.shape {
    position: absolute;
    filter: blur(60px);
    border-radius: 50%;
    opacity: 0.4;
    animation: float 15s infinite linear;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    top: -10%;
    left: -10%;
    animation-duration: 20s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--purple-accent);
    bottom: -20%;
    right: -10%;
    animation-duration: 25s;
    animation-direction: reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: #00ff88;
    top: 40%;
    left: 60%;
    animation-duration: 15s;
}

.shape-4 {
    width: 150px;
    height: 150px;
    background: #ff0073;
    top: 70%;
    left: 20%;
    animation-duration: 18s;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    33% {
        transform: translateY(-50px) rotate(120deg) scale(1.1);
    }
    66% {
        transform: translateY(30px) rotate(240deg) scale(0.9);
    }
    100% {
        transform: translateY(0) rotate(360deg) scale(1);
    }
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80vh;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.greeting {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.name {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.1;
}

.title {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.bio {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2rem;
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.blob-wrapper {
    width: 350px;
    height: 350px;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    background: linear-gradient(45deg, var(--accent-color), var(--purple-accent));
    animation: morph 8s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    border: var(--border-width) solid var(--glass-border);
    box-shadow: var(--shadow-main);
}

.blob-wrapper img {
    width: 95%;
    height: 95%;
    object-fit: cover;
    border-radius: calc(var(--radius-main) * 0.9);
}

@keyframes morph {
    0% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
}

.cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.project-card {
    background: var(--glass-bg);
    border: var(--border-width) solid var(--glass-border);
    border-radius: var(--radius-main);
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: var(--transition-medium);
    box-shadow: var(--shadow-main);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: var(--border-width) solid var(--glass-border);
}

.project-info {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.tag {
    background: var(--bg-primary);
    padding: 4px 10px;
    border-radius: var(--radius-btn);
    font-size: 0.8rem;
    color: var(--accent-color);
    border: var(--border-width) solid var(--glass-border);
}

.project-links {
    display: flex;
    justify-content: space-between;
}

.project-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.project-links a:hover {
    color: var(--accent-color);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    position: relative;
    z-index: 1;
}

.cert-card {
    position: relative;
    border-radius: var(--radius-main);
    overflow: hidden;
    cursor: pointer;
    border: var(--border-width) solid var(--glass-border);
    box-shadow: var(--shadow-main);
}

.cert-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition-medium);
}

.cert-card:hover img {
    transform: scale(1.05);
}

.cert-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    overflow: hidden;
    width: 100%;
    height: 0;
    transition: .3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0 20px;
}

.cert-card:hover .cert-overlay {
    height: 100%;
    padding-bottom: 20px;
}

.resume-container {
    background: var(--glass-bg);
    border: var(--border-width) solid var(--glass-border);
    padding: 3rem;
    border-radius: var(--radius-main);
    box-shadow: var(--shadow-main);
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.resume-innergrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.resume-download {
    text-align: center;
    margin-top: 2rem;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    margin: 4vh auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 90vw;
    max-height: 90vh;
    animation: zoom 0.3s;
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--radius-main);
    border: var(--border-width) solid var(--glass-border);
    box-shadow: var(--shadow-main);
    position: relative;
}

#modal-img {
    max-width: 100%;
    max-height: 60vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0px;
    color: #fff;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
}

.modal-info {
    text-align: center;
    margin-top: 20px;
}

@keyframes zoom {
    from {
        transform: scale(0)
    }
    to {
        transform: scale(1)
    }
}

@media screen and (max-width: 900px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 1.5rem 2rem;
        z-index: 200;
        top: 0;
        border-bottom: var(--border-width) solid var(--glass-border);
        border-right: none;
        box-shadow: var(--shadow-main);
    }
    .sidebar-header {
        margin-bottom: 0;
    }
    .mobile-menu-btn {
        display: block;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        margin-top: 2rem;
    }
    .nav-links.show {
        display: flex;
    }
    .socials {
        display: none;
    }
    .socials.show {
        display: flex;
    }
    .main-content {
        margin-left: 0;
        margin-top: 80px;
        padding: 2rem 1.5rem;
        height: calc(100vh - 80px);
    }
    .hero {
        flex-direction: column-reverse;
        text-align: center;
        justify-content: center;
    }
    .hero-image {
        justify-content: center;
        margin-bottom: 2rem;
    }
    .blob-wrapper {
        width: 250px;
        height: 250px;
    }
    .name {
        font-size: 3rem;
    }
    .title {
        font-size: 1.5rem;
    }
    .hero-buttons {
        justify-content: center;
    }
    .resume-innergrid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media screen and (max-width: 600px) {
    .resume-container {
        padding: 1.5rem;
    }
    .section-header h2 {
        font-size: 2rem;
    }
}