/* ===== VARIABLES ===== */
:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --accent-color: #000000;
    --border-color: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-color: #ffffff;
    --border-color: #333333;
    --shadow: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ===== TOP CONTROLS CONTAINER ===== */
.top-controls {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px var(--shadow);
}

.theme-toggle:hover {
    transform: rotate(180deg) scale(1.1);
    box-shadow: 0 6px 20px var(--shadow);
}

/* ===== LANGUAGE SELECTOR ===== */
.lang-selector {
    display: flex;
}

.lang-selector select {
    width: 50px;
    height: 50px;
    padding: 0;
    font-size: 20px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    box-shadow: 0 4px 15px var(--shadow);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    text-align: center;
    text-align-last: center;
    line-height: 50px;
}

.lang-selector select:hover {
    border-color: #667eea;
    box-shadow: 0 6px 20px var(--shadow);
    transform: scale(1.1);
}

.lang-selector select:focus {
    border-color: #667eea;
}

/* Responsive Top Controls */
@media (max-width: 768px) {
    .top-controls {
        top: 15px;
        right: 15px;
    }

    .theme-toggle,
    .lang-selector select {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .lang-selector select {
        line-height: 44px;
    }
}

@media (max-width: 480px) {
    .top-controls {
        top: 10px;
        right: 10px;
        gap: 8px;
    }

    .theme-toggle,
    .lang-selector select {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .lang-selector select {
        line-height: 40px;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

/* ===== ANIMATED CODE BACKGROUND ===== */
.code-background {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
}

.floating-code {
    position: absolute;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
    font-weight: 700;
    opacity: 0.15;
    user-select: none;
    pointer-events: none;
    animation: float-diagonal var(--duration) infinite linear;
    animation-delay: var(--delay);
    font-size: clamp(16px, 2.5vw, 24px);
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
    letter-spacing: 0.5px;
}

/* Light mode specific styling */
:root .floating-code {
    color: #8b9dc3;
    opacity: 0.25;
    text-shadow: 0 0 8px rgba(102, 126, 234, 0.15);
}

/* Dark mode specific styling */
[data-theme="dark"] .floating-code {
    color: #e0e0e0;
    opacity: 0.12;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

/* Position each floating element randomly */
.floating-code:nth-child(1) { left: 15%; top: 25%; font-size: 28px; font-weight: 800; }
.floating-code:nth-child(2) { left: 15%; top: 80%; font-size: 20px; }
.floating-code:nth-child(3) { left: 25%; top: 30%; font-size: 24px; }
.floating-code:nth-child(4) { left: 35%; top: 60%; font-size: 18px; }
.floating-code:nth-child(5) { left: 45%; top: 20%; font-size: 21px; }
.floating-code:nth-child(6) { left: 55%; top: 70%; font-size: 19px; }
.floating-code:nth-child(7) { left: 65%; top: 40%; font-size: 23px; }
.floating-code:nth-child(8) { left: 75%; top: 85%; font-size: 20px; }
.floating-code:nth-child(9) { left: 85%; top: 15%; font-size: 22px; }
.floating-code:nth-child(10) { left: 90%; top: 50%; font-size: 18px; }
.floating-code:nth-child(11) { left: 10%; top: 45%; font-size: 21px; }
.floating-code:nth-child(12) { left: 20%; top: 5%; font-size: 19px; }
.floating-code:nth-child(13) { left: 30%; top: 90%; font-size: 23px; }
.floating-code:nth-child(14) { left: 40%; top: 35%; font-size: 20px; }
.floating-code:nth-child(15) { left: 50%; top: 75%; font-size: 22px; }
.floating-code:nth-child(16) { left: 60%; top: 10%; font-size: 18px; }
.floating-code:nth-child(17) { left: 70%; top: 65%; font-size: 24px; }
.floating-code:nth-child(18) { left: 80%; top: 25%; font-size: 21px; }
.floating-code:nth-child(19) { left: 92%; top: 80%; font-size: 19px; }
.floating-code:nth-child(20) { left: 8%; top: 55%; font-size: 20px; }

/* Diagonal floating animation */
@keyframes float-diagonal {
    0% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.25;
    }
    90% {
        opacity: 0.25;
    }
    100% {
        transform: translate(calc(-100vw - 100px), calc(-100vh - 100px)) rotate(360deg);
        opacity: 0;
    }
}

/* Alternative animations for variety */
.floating-code:nth-child(even) {
    animation-name: float-diagonal-reverse;
}

@keyframes float-diagonal-reverse {
    0% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.25;
    }
    90% {
        opacity: 0.25;
    }
    100% {
        transform: translate(calc(100vw + 100px), calc(-100vh - 100px)) rotate(-360deg);
        opacity: 0;
    }
}

/* Hover effect for better interactivity */
.hero:hover .floating-code {
    animation-play-state: running;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.typewriter-container {
    min-height: 60px;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.typewriter {
    color: var(--text-primary);
    border-right: 3px solid var(--text-primary);
    padding-right: 5px;
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 100% { border-color: transparent; }
    50% { border-color: var(--text-primary); }
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow);
}

/* ===== HERO IMAGE - PARTICLE ANIMATION ===== */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.particle-container {
    width: 500px;
    height: 400px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#particleCanvas {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    background: transparent;
}

/* Responsive particle container */
@media (max-width: 968px) {
    .particle-container {
        width: 400px;
        height: 350px;
    }
}

@media (max-width: 600px) {
    .particle-container {
        width: 320px;
        height: 280px;
    }
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--text-secondary);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { top: 10px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

/* ===== SECTIONS ===== */
.about, .skills, .contact {
    padding: var(--section-padding);
    position: relative;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    display: block;
    width: 100%;
}

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

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--bg-secondary);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow);
    border-color: transparent;
    background: var(--gradient);
    color: white;
}

.skill-card:hover .skill-icon {
    transform: scale(1.2) rotateY(360deg);
}

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

.skill-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    transition: transform 0.6s ease;
}

.skill-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    transition: var(--transition);
}

.skill-card p {
    color: var(--text-secondary);
    transition: var(--transition);
}

/* ===== PROJECTS SECTION ===== */
.projects {
    padding: var(--section-padding);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow);
    border-color: transparent;
    background: var(--gradient);
}

.project-card:hover * {
    color: white !important;
}

.project-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.project-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
}

.project-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
    transition: var(--transition);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
    flex-grow: 1;
    transition: var(--transition);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-badge {
    padding: 6px 12px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
}

.project-card:hover .tech-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.project-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.project-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
    transition: var(--transition);
}

.project-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    transition: var(--transition);
}

.project-card:hover .project-features li::before {
    color: white;
}

.project-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.project-link:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.project-card:hover .project-link {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.project-card:hover .project-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--bg-secondary);
}

.contact-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

/* Contact Form Container */
.contact-form-container {
    background: var(--bg-primary);
    padding: 50px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px var(--shadow);
    width: 100%;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-row .form-group {
    animation: slideUp 0.6s ease forwards;
    opacity: 0;
}

.form-row .form-group:nth-child(1) { animation-delay: 0.1s; }
.form-row .form-group:nth-child(2) { animation-delay: 0.2s; }

.form-group {
    position: relative;
    animation: slideUp 0.6s ease forwards;
    opacity: 0;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-row + .form-group { animation-delay: 0.3s; }
.form-row + .form-group + .form-group { animation-delay: 0.4s; }

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 22px;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    font-family: inherit;
    resize: none;
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: rgba(102, 126, 234, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    min-height: 150px;
}

.form-group label {
    position: absolute;
    left: 22px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1rem;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    padding: 0 8px;
}

.form-group label i {
    margin-right: 8px;
    opacity: 0.7;
}

.form-group textarea + label {
    top: 22px;
    transform: translateY(0);
}

/* Label animation on focus/filled */
.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: 0;
    transform: translateY(-50%) scale(0.9);
    font-size: 0.85rem;
    color: #667eea;
    background: var(--bg-secondary);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.2), 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* Animated underline */
.form-highlight {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--gradient);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 3px;
}

.form-group input:focus ~ .form-highlight,
.form-group textarea:focus ~ .form-highlight {
    width: calc(100% - 4px);
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.5);
}

/* Error styles */
.error-message {
    display: block;
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 5px;
    min-height: 20px;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ef4444;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Character counter */
.char-counter {
    position: absolute;
    bottom: 10px;
    right: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.char-counter.warning {
    color: #f59e0b;
}

.char-counter.limit {
    color: #ef4444;
}

/* Submit Button */
.btn-submit {
    position: relative;
    padding: 18px 45px;
    font-size: 1.05rem;
    font-weight: 600;
    color: white;
    background: var(--gradient);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-submit:active {
    transform: translateY(-1px);
}

.btn-submit .btn-loading,
.btn-submit .btn-success {
    display: none;
}

.btn-submit.loading .btn-text,
.btn-submit.loading .btn-icon {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-submit.success .btn-text,
.btn-submit.success .btn-icon {
    display: none;
}

.btn-submit.success .btn-success {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    animation: successPop 0.5s ease;
}

.btn-submit.success {
    background: linear-gradient(135deg, #10b981, #059669);
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.social-link {
    width: 55px;
    height: 55px;
    border-radius: 14px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    background: var(--gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* Responsive Contact */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-container {
        padding: 30px 20px;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-primary);
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

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

/* ===== ANIMATIONS ===== */
[data-aos] {
    opacity: 0;
    transition: all 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-description {
        margin: 0 auto 30px;
    }

    .hero-buttons {
        justify-content: center;
    }

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

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

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

@media (max-width: 600px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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


    .hero, .about, .skills, .contact {
        padding: 60px 0;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

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

    .project-card {
        padding: 20px;
    }

    .project-title {
        font-size: 1.3rem;
    }

    .project-links {
        flex-direction: column;
    }

    .project-link {
        justify-content: center;
    }
}