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

:root {
    --primary-bg: #0A192F;
    --secondary-bg: #112240;
    --card-bg: #1A2332;
    --accent-color: #64FFDA;
    --accent-secondary: #4A90E2;
    --text-primary: #CCD6F6;
    --text-secondary: #8892B0;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --transition: all 0.3s ease;
}

[data-theme="light"] {
    --primary-bg: #F8F9FA;
    --secondary-bg: #FFFFFF;
    --card-bg: #FFFFFF;
    --accent-color: #2DD4BF;
    --accent-secondary: #3B82F6;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--secondary-bg);
    border-radius: 50%;
    border: 2px solid var(--accent-color);
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

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

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

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

.theme-toggle {
    background: var(--secondary-bg);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--accent-color);
    color: var(--primary-bg);
    transform: rotate(180deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.4rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 5px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 5% 50px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    z-index: -1;
    opacity: 0.1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-50px) translateX(50px); }
    50% { transform: translateY(-100px) translateX(-50px); }
    75% { transform: translateY(-50px) translateX(100px); }
}

.hero-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    z-index: 1;
}

.hero-text {
    flex: 1;
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .wave {
    display: inline-block;
    animation: wave 2s infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-20deg); }
}

.hero .subtitle {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.3s both;
    min-height: 2rem;
}

.hero .location {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero .location i {
    margin-right: 0.5rem;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    animation: fadeInUp 1s ease 0.8s both;
    position: relative;
    overflow: hidden;
    font-size: 1.1rem;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    transition: var(--transition);
    z-index: -1;
}

.cta-button:hover::before {
    left: 0;
}

.cta-button:hover {
    color: var(--primary-bg);
    box-shadow: 0 0 30px var(--accent-color);
}

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

/* Spline 3D Viewer */
.spline-container {
    flex: 1;
    width: 100%;
    max-width: 550px;
    height: 550px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

spline-viewer {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(100, 255, 218, 0.3);
    cursor: grab;
    transition: var(--transition);
}

spline-viewer:active {
    cursor: grabbing;
}

spline-viewer:hover {
    box-shadow: 0 25px 80px rgba(100, 255, 218, 0.5);
    transform: translateY(-5px);
}

spline-viewer::part(logo) {
    display: none !important;
}

.spline-tooltip {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    color: var(--primary-bg);
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, bottom 0.3s ease;
    white-space: nowrap;
    z-index: 10;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}



/* ===== SECTIONS ===== */
section {
    padding: 6rem 5%;
    position: relative;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 4rem;
    text-align: center;
    position: relative;
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    border-radius: 10px;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.about-image {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10rem;
    color: var(--primary-bg);
    box-shadow: 0 0 60px rgba(100, 255, 218, 0.4);
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 60px rgba(100, 255, 218, 0.4); }
    50% { box-shadow: 0 0 100px rgba(100, 255, 218, 0.7); }
}

.about-text p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 2.5rem;
}

.skill-bars {
    display: grid;
    gap: 1.8rem;
}

.skill-bar {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: var(--transition);
}

.skill-bar:hover {
    border-color: var(--accent-color);
    transform: translateX(10px);
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.skill-progress {
    height: 10px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    border-radius: 10px;
    transition: width 1.5s ease;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.skill-category {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.skill-category:hover {
    transform: translateY(-15px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 50px rgba(100, 255, 218, 0.3);
}

.skill-category h3 {
    color: var(--accent-color);
    margin-bottom: 1.8rem;
    font-size: 1.6rem;
}

.skill-category h3 i {
    margin-right: 0.8rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-tag {
    background: var(--secondary-bg);
    padding: 0.7rem 1.3rem;
    border-radius: 25px;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

.skill-tag:hover {
    background: var(--accent-color);
    color: var(--primary-bg);
    transform: scale(1.1);
    border-color: var(--accent-color);
}

/* Soft Skills */
.soft-skills, .languages-section {
    margin-top: 4rem;
    text-align: center;
}

.soft-skills h3, .languages-section h3 {
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.soft-skill-tags, .language-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.soft-skill-tag, .language-tag {
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-radius: 30px;
    font-size: 1.1rem;
    border: 2px solid transparent;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.soft-skill-tag:hover, .language-tag:hover {
    border-color: var(--accent-color);
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(100, 255, 218, 0.3);
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.project-card:hover {
    transform: translateY(-15px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 60px rgba(100, 255, 218, 0.4);
}

.project-image {
    height: 220px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
}

.project-image-2 {
    background: var(--gradient-2);
}

.project-image-3 {
    background: var(--gradient-3);
}

.project-content {
    padding: 2.5rem;
}

.project-content h3 {
    color: var(--accent-color);
    margin-bottom: 1.2rem;
    font-size: 1.7rem;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.8rem;
    line-height: 1.7;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.8rem;
}

.tech-badge {
    background: var(--secondary-bg);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

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

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    transform: scale(1.2);
    color: var(--accent-secondary);
}

/* ===== TIMELINE ===== */
.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-color), var(--accent-secondary));
    border-radius: 10px;
}

.timeline-item {
    display: flex;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    width: 45%;
    position: relative;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
}

.timeline-content:hover {
    transform: scale(1.05);
    border-color: var(--accent-color);
    box-shadow: 0 20px 50px rgba(100, 255, 218, 0.3);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 25px;
    height: 25px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 5px solid var(--primary-bg);
    z-index: 1;
    box-shadow: 0 0 20px var(--accent-color);
}

.timeline-content h3 {
    color: var(--accent-color);
    margin-bottom: 0.8rem;
    font-size: 1.5rem;
}

.timeline-date {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.2rem;
}

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

.timeline-list {
    color: var(--text-secondary);
    margin-top: 1rem;
    padding-left: 1.5rem;
}

.timeline-list li {
    margin-bottom: 0.8rem;
}

.timeline-description {
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* ===== CERTIFICATIONS ===== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.cert-card, .volunteer-card {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.cert-card:hover, .volunteer-card:hover {
    transform: translateY(-15px) rotateY(5deg);
    border-color: var(--accent-color);
    box-shadow: 0 25px 60px rgba(100, 255, 218, 0.4);
}

.cert-icon {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.volunteer-card .cert-icon {
    color: var(--accent-secondary);
}

.cert-card h3, .volunteer-card h3 {
    margin-bottom: 0.8rem;
    font-size: 1.5rem;
}

.cert-provider {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    font-size: 1rem;
}

.cert-description {
    color: var(--text-secondary);
    margin: 1rem 0;
}

.cert-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.cert-score {
    color: var(--accent-color);
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 1.5rem;
}

/* ===== CONTACT ===== */
.contact-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-intro {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 4rem 0;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.1rem;
    padding: 1.5rem;
    border-radius: 15px;
    background: var(--card-bg);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-link:hover {
    color: var(--accent-color);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(100, 255, 218, 0.3);
}

.contact-form {
    display: grid;
    gap: 2rem;
    margin-top: 4rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1.2rem;
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: 15px;
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
    font-size: 1rem;
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.2);
}

.submit-btn {
    padding: 1.2rem 3rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    color: var(--primary-bg);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.3);
}

.submit-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(100, 255, 218, 0.5);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--secondary-bg);
    padding: 3rem;
    text-align: center;
    color: var(--text-secondary);
}

.footer p {
    margin-bottom: 0.5rem;
}

.footer-text {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    color: var(--primary-bg);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.4);
}

.scroll-top:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(100, 255, 218, 0.6);
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content {
        gap: 3rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .about-content {
        grid-template-columns: 300px 1fr;
        gap: 3rem;
    }

    .about-image {
        width: 300px;
        height: 300px;
        font-size: 8rem;
    }

    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 968px) {
    .navbar {
        padding: 1rem 3%;
    }

    .nav-menu {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: -100%;
        flex-direction: column;
        background: var(--secondary-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-item {
        padding: 1rem 0;
    }

    .nav-logo {
        display: none;
    }

    .hero {
        padding: 100px 3% 50px;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero .subtitle {
        font-size: 1.4rem;
    }

    .spline-container {
        max-width: 450px;
        height: 450px;
        order: -1;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        margin: 0 auto;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        flex-direction: column !important;
    }

    .timeline-content {
        width: 100%;
        margin-left: 3rem;
    }

    .timeline-dot {
        left: 0;
    }

    section {
        padding: 4rem 3%;
    }

    .projects-grid, .skills-grid, .cert-grid {
        grid-template-columns: 1fr;
    }

    .contact-links {
        flex-direction: column;
        gap: 1.5rem;
    }

    .contact-link {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .nav-menu {
        gap: 0;
    }

    .nav-link {
        font-size: 0.75rem;
        padding: 0.3rem 0;
    }

    .theme-toggle {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    .hero {
        padding: 90px 5% 40px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1.1rem;
    }

    .hero .location {
        font-size: 1rem;
    }

    .cta-button {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .spline-container {
        max-width: 320px;
        height: 320px;
    }

    .spline-tooltip {
        font-size: 0.85rem;
        padding: 0.6rem 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-title::after {
        width: 60px;
    }

    .about-image {
        width: 250px;
        height: 250px;
        font-size: 6rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .skill-bar {
        padding: 1rem;
    }

    .skill-info {
        font-size: 0.9rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        max-width: 100%;
    }

    .project-image {
        height: 180px;
        font-size: 4rem;
    }

    .project-content {
        padding: 2rem;
    }

    .project-content h3 {
        font-size: 1.4rem;
    }

    .tech-stack {
        gap: 0.6rem;
    }

    .tech-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .timeline-content h3 {
        font-size: 1.2rem;
    }

    .timeline-list {
        font-size: 0.9rem;
    }

    .cert-card, .volunteer-card {
        padding: 2rem;
    }

    .cert-icon {
        font-size: 3rem;
    }

    .cert-card h3, .volunteer-card h3 {
        font-size: 1.2rem;
    }

    .contact-form {
        gap: 1.5rem;
    }

    .form-group input, .form-group textarea {
        padding: 1rem;
        font-size: 0.95rem;
    }

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

    .scroll-top {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0;
    }

    .hamburger span {
        width: 20px;
        height: 2.5px;
    }

    .hero {
        padding: 80px 4% 30px;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero .subtitle {
        font-size: 0.95rem;
    }

    .hero .location {
        font-size: 0.9rem;
    }

    .cta-button {
        padding: 0.9rem 1.8rem;
        font-size: 0.9rem;
    }

    .spline-container {
        max-width: 280px;
        height: 280px;
    }

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

    .about-content {
        gap: 2rem;
    }

    .about-image {
        width: 200px;
        height: 200px;
        font-size: 5rem;
    }

    .about-text p {
        font-size: 0.95rem;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .skill-category h3 {
        font-size: 1.3rem;
    }

    .skill-tag {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .soft-skill-tags, .language-tags {
        gap: 0.8rem;
    }

    .soft-skill-tag, .language-tag {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
    }

    .contact-links {
        gap: 1.5rem;
    }

    .contact-link {
        padding: 1rem;
        font-size: 1rem;
    }

    .contact-link i {
        font-size: 1.5rem !important;
    }
}