/* ========== VARIABLES ========== */
:root {
    --bg-color: #0d0f14;
    --surface-color: #1a1d26;
    --surface-light: #252a36;
    --primary-color: #7b42f6;
    --primary-gradient: linear-gradient(135deg, #7b42f6, #b01eff);
    --secondary-color: #00e5ff;
    --text-primary: #f8f9fa;
    --text-secondary: #a0a8b9;
    --border-color: rgba(255, 255, 255, 0.08);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    width: max-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

/* ========== TYPOGRAPHY & BUTTONS ========== */
h1, h2, h3, h4 {
    line-height: 1.2;
}

.highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(123, 66, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(123, 66, 246, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

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

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(123, 66, 246, 0.3);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
}

/* ========== HEADER & NAV ========== */
.header {
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(123, 66, 246, 0.15) 0%, rgba(13, 15, 20, 0) 70%);
    z-index: -1;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.5rem;
    background: rgba(26, 29, 38, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1200px;
    z-index: 100;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.nav-container:hover {
    background: rgba(26, 29, 38, 0.6);
    box-shadow: 0 15px 50px rgba(123, 66, 246, 0.2), inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
    position: relative;
    transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 0 0 20px rgba(123, 66, 246, 0.6);
}

.logo span {
    color: var(--primary-color);
    font-weight: 300;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0.6rem;
    border-radius: 20px;
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
    background: rgba(123, 66, 246, 0.15);
    box-shadow: 0 0 15px rgba(123, 66, 246, 0.3);
}

.nav-links .btn {
    margin-left: 1rem;
    box-shadow: 0 0 10px rgba(123, 66, 246, 0.3) inset;
    transition: all 0.4s ease;
}

.nav-links .btn:hover {
    box-shadow: 0 0 20px rgba(123, 66, 246, 0.6), 0 0 10px rgba(123, 66, 246, 0.4) inset;
    transform: translateY(-2px);
}

/* ========== HERO SECTION ========== */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    margin-top: 80px; /* Offset for fixed nav */
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-content h2 {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s backwards;
}

/* ========== ABOUT SECTION ========== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    text-align: center;
}

.about-image img {
    width: 80%;
    max-width: 400px;
    min-height: 300px;
    border-radius: 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    object-fit: cover;
}

.image-backdrop {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    height: 105%;
    max-width: 420px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    z-index: 1;
    margin-left: 20px;
    margin-top: 20px;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.contact-info-inline {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 2rem;
}

.contact-info-inline p {
    margin: 0;
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info-inline i {
    color: var(--primary-color);
}

/* ========== SKILLS SECTION ========== */
.skills-slider {
    display: flex;
    width: 100%;
    height: 450px;
    gap: 1.5rem;
    margin-top: 2rem;
}

.skill-card {
    position: relative;
    flex: 1;
    border-radius: 30px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.6s ease;
    z-index: 0;
}

.skill-card.active {
    flex: 5;
    box-shadow: 0 20px 40px rgba(123, 66, 246, 0.3);
    transform: translateY(-10px);
    border-color: transparent;
}

.skill-card.active::before {
    opacity: 1;
}

.skill-icon {
    font-size: 3rem;
    position: relative;
    z-index: 1;
    color: var(--text-primary);
    transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.skill-card:not(.active) .skill-icon {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Float icon up and turn white when active */
.skill-card.active .skill-icon {
    transform: translateY(-40px) scale(1.3);
    color: white;
}

.skill-content {
    position: absolute;
    bottom: 2.5rem;
    left: 2rem;
    width: 250px;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
    text-align: left;
    pointer-events: none;
}

/* Reveal text when active */
.skill-card.active .skill-content {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s; /* delay so it comes in after expand starts */
    pointer-events: auto;
}

.skill-content h3 {
    font-size: 1.8rem;
    color: white;
    margin-bottom: 0.5rem;
}

.skill-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.skill-progress {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    margin-top: 1rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0;
    background: #00e5ff;
    border-radius: 3px;
    transition: width 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.skill-card.active .progress-bar {
    width: var(--progress);
    transition-delay: 0.4s; /* wait for accordion to expand */
}

/* ========== PROJECTS SECTION ========== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--surface-color);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(123, 66, 246, 0.3);
}

.project-img-container {
    height: 220px;
    overflow: hidden;
    position: relative;
    background-color: var(--surface-light);
}

.project-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tags span {
    background: rgba(123, 66, 246, 0.1);
    color: #cbb4f8;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ========== CONTACT SECTION ========== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.icon-box {
    width: 50px;
    height: 50px;
    background: rgba(123, 66, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--text-secondary);
}

.contact-item a, .contact-item p {
    font-size: 1.1rem;
    font-weight: 500;
}

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

.contact-form {
    background: var(--surface-color);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.input-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form textarea {
    resize: vertical;
    margin-bottom: 1.5rem;
}

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

.submit-btn {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.footer-brand h2 span {
    color: var(--primary-color);
    font-weight: 300;
}

.footer-brand p {
    color: var(--text-secondary);
}

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

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.social-links a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    .about-content, .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(26, 29, 38, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        border-radius: 20px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        border: 1px solid rgba(255, 255, 255, 0.05);
        gap: 1.5rem;
        
        /* Hidden by default */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.4s ease;
    }
    
    .nav-links.nav-active {
        opacity: 1;
        visibility: visible;
        transform: translateY(10px);
    }
    
    body.light-theme .nav-links {
        background: rgba(255, 255, 255, 0.95);
        border: 1px solid rgba(0, 0, 0, 0.1);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links .btn {
        margin-left: 0;
        margin-top: 1rem;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .input-group {
        grid-template-columns: 1fr;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ========== NEW INTERACTIVE ADDITIONS ========== */

/* 1. Custom Cursor */
.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(123, 66, 246, 0.5);
}

.cursor-dot,
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
}

.cursor-outline.cursor-hover {
    transform: translate(-50%, -50%) scale(1.5);
    background-color: rgba(123, 66, 246, 0.1);
    border-color: var(--secondary-color);
}

/* Hide default cursor on desktop */
@media (min-width: 1024px) {
    body, a, button, .project-card, .skill-card {
        cursor: none !important;
    }
}

/* 2. Scroll Reveal Animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal-on-scroll.reveal-active {
    opacity: 1;
    transform: translateY(0);
}

/* 3. Enhanced Glow Effects & Polish */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.btn-primary:hover::after {
    left: 100%;
}

.hero-content h2 {
    border-right: 2px solid var(--primary-color);
    padding-right: 5px;
    display: inline-block;
    animation: blinkCursor 0.75s step-end infinite;
}

@keyframes blinkCursor {
    from, to { border-color: transparent }
    50% { border-color: var(--primary-color) }
}

.project-card, .skill-card {
    will-change: transform;
    transform-style: preserve-3d;
}

.skill-card:hover i {
    transform: scale(1.2) rotate(10deg);
    transition: 0.3s ease;
}

/* ========== EXPERIENCE TIMELINE ========== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: rgba(255, 255, 255, 0.1);
    top: 0;
    bottom: 0;
    left: 20px;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px 40px;
    position: relative;
    background: inherit;
    width: 100%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    left: 10px;
    background-color: var(--primary-color);
    border: 4px solid var(--surface-color);
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 0 10px rgba(123, 66, 246, 0.5);
}

.timeline-content {
    padding: 2rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    position: relative;
    border-radius: 15px;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(123, 66, 246, 0.3);
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 500;
}

.timeline-date {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(123, 66, 246, 0.1);
    color: #cbb4f8;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.timeline-date i {
    margin-right: 0.5rem;
}

.timeline-content p:last-child {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Desktop Timeline */
@media screen and (min-width: 768px) {
    .timeline::after {
        left: 50%;
    }
    .timeline-item {
        width: 50%;
    }
    .timeline-item:nth-child(even) {
        left: 50%;
    }
    .timeline-item:nth-child(odd) {
        left: 0;
    }
    .timeline-dot {
        left: calc(100% - 10px);
    }
    .timeline-item:nth-child(even) .timeline-dot {
        left: -10px;
    }
}

/* ========== SERVICES SECTION ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--surface-color);
    padding: 3rem 2rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    z-index: -1;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(123, 66, 246, 0.2);
    border-color: transparent;
}

.service-card:hover::after {
    transform: translateY(0);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: rgba(123, 66, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: scale(1.1);
}

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

.service-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    transition: var(--transition);
}

.service-card:hover h3,
.service-card:hover p {
    color: white;
}

/* ========== LIGHT THEME ========== */
body.light-theme {
    --bg-color: #f8f9fa;
    --surface-color: #ffffff;
    --surface-light: #f1f3f5;
    --text-primary: #1a1d26;
    --text-secondary: #4a5568;
    --border-color: rgba(0, 0, 0, 0.1);
}

.theme-toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    background: rgba(123, 66, 246, 0.1);
    color: var(--primary-color);
}

.theme-toggle-btn .fa-sun {
    display: none;
}

body.light-theme .theme-toggle-btn .fa-sun {
    display: block;
}

body.light-theme .theme-toggle-btn .fa-moon {
    display: none;
}

body.light-theme .nav-container {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05), inset 0 0 0 1px rgba(0, 0, 0, 0.02);
}
body.light-theme .hero-content h2,
body.light-theme .hero-content p,
body.light-theme .section-title {
    color: var(--text-secondary);
}

/* ========== CERTIFICATIONS SECTION ========== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.cert-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(123, 66, 246, 0.15);
    border-color: rgba(123, 66, 246, 0.3);
}

.cert-icon {
    font-size: 2rem;
    color: var(--primary-color);
    background: rgba(123, 66, 246, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    flex-shrink: 0;
    transition: var(--transition);
}

.cert-card:hover .cert-icon {
    background: var(--primary-gradient);
    color: white;
    transform: rotate(10deg) scale(1.1);
}

.cert-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.cert-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    z-index: 1000;
}

@media (max-width: 768px) {
    .skills-slider {
        flex-direction: column;
        height: auto;
    }
    .skill-card {
        width: 100%;
        min-height: 120px;
        margin-bottom: 1rem;
        flex-direction: row;
    }
    
    .skill-card.active {
        min-height: 250px;
        flex-direction: column;
    }

    .skill-icon {
        margin-bottom: 0;
        margin-right: 1.5rem;
    }
    
    .skill-card.active .skill-icon {
        margin-right: 0;
        margin-bottom: 1rem;
        transform: translateY(-20px) scale(1.2);
    }

    .skill-content {
        position: static;
        width: 100%;
        opacity: 1; /* always show text on mobile */
        transform: none;
        display: none; /* hide text by default on mobile */
    }

    .skill-card.active .skill-content {
        display: block; /* show when active */
        opacity: 1;
        transform: none;
    }

    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item:nth-child(even) {
        left: 0%;
    }

    .timeline-item:nth-child(even) .timeline-content::after {
        right: auto;
        left: -15px;
        border-width: 10px 15px 10px 0;
        border-color: transparent var(--surface-light) transparent transparent;
    }
    
    .timeline-dot {
        left: 21px;
    }

    .timeline-item:nth-child(even) .timeline-dot {
        left: 21px;
    }
}