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

:root {
    --primary-accent: #7d8471;
    --secondary-accent: #b4a89a;
    --bg-primary: #f0f0ed;
    --bg-gradient-1: #f5f5f2;
    --bg-gradient-2: #e8e8e4;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-muted: #8a8a8a;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --shadow-strong: rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] {
    --primary-accent: #9ca58a;
    --secondary-accent: #c4b8aa;
    --bg-primary: #0a0a0a;
    --bg-gradient-1: #121212;
    --bg-gradient-2: #1a1a1a;
    --text-primary: #f9f9f7;
    --text-secondary: #d4d4d2;
    --text-muted: #8a8a8a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-light: rgba(0, 0, 0, 0.3);
    --shadow-medium: rgba(0, 0, 0, 0.5);
    --shadow-strong: rgba(0, 0, 0, 0.7);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.7;
    transition: all 0.4s ease;
    min-height: 100vh;
    letter-spacing: 0.01em;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, var(--primary-accent) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, var(--secondary-accent) 0%, transparent 40%);
    opacity: 0.03;
    pointer-events: none;
    z-index: 0;
}

header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: 4rem 2rem 3rem;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    box-shadow: 0 8px 32px var(--shadow-light);
}

header h1 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 10px var(--shadow-light);
}

header p {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 2rem;
}

.header-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.resume-btn {
    background: var(--primary-accent);
    color: white;
    padding: 0.9rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-light);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.resume-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    background: var(--secondary-accent);
}

.social-links-header {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--shadow-medium);
    border-color: var(--primary-accent);
}

.social-link img {
    width: 24px;
    height: 24px;
    filter: var(--logo-filter);
}

.theme-toggle {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    box-shadow: 0 4px 15px var(--shadow-light);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-medium);
    border-color: var(--primary-accent);
}

nav {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.2rem;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px var(--shadow-light);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 1.5rem;
    font-weight: 400;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    transition: all 0.3s;
    text-transform: uppercase;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-accent);
    transition: width 0.3s ease;
}

nav a:hover, nav a.active {
    color: var(--primary-accent);
}

nav a:hover::after, nav a.active::after {
    width: 100%;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 2rem;
    position: relative;
    z-index: 1;
}

.about-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    margin-bottom: 4rem;
    border-radius: 20px;
    box-shadow: 
        0 8px 32px var(--shadow-light),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.about-section:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 12px 40px var(--shadow-medium),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.section-title {
    color: var(--text-primary);
    margin-bottom: 3rem;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-light);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--shadow-medium);
    border-color: var(--primary-accent);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Skills Section */
.skill-category {
    margin-bottom: 4rem;
}

.skill-category-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.8;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 1.8rem 1rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px var(--shadow-light);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.skill-card:nth-child(1) { animation-delay: 0.05s; }
.skill-card:nth-child(2) { animation-delay: 0.1s; }
.skill-card:nth-child(3) { animation-delay: 0.15s; }
.skill-card:nth-child(4) { animation-delay: 0.2s; }
.skill-card:nth-child(5) { animation-delay: 0.25s; }
.skill-card:nth-child(6) { animation-delay: 0.3s; }
.skill-card:nth-child(7) { animation-delay: 0.35s; }
.skill-card:nth-child(8) { animation-delay: 0.4s; }
.skill-card:nth-child(9) { animation-delay: 0.45s; }
.skill-card:nth-child(10) { animation-delay: 0.5s; }

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

.skill-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 12px 40px var(--shadow-medium);
    border-color: var(--primary-accent);
}

.skill-logo {
    width: 48px;
    height: 48px;
    margin-bottom: 0.8rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
    filter: var(--logo-filter);
}

[data-theme="dark"] {
    --logo-filter: brightness(0.9);
}

[data-theme="light"] {
    --logo-filter: none;
}

.skill-icon-small {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    display: block;
}

.skill-name {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 400;
}

/* Certifications */
.certifications-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cert-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-light);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cert-card:hover {
    transform: translateX(10px);
    box-shadow: 0 12px 40px var(--shadow-medium);
}

.cert-icon {
    font-size: 2rem;
}

.cert-name {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 400;
    margin-bottom: 0.3rem;
}

.cert-status {
    font-size: 0.85rem;
    font-weight: 400;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    display: inline-block;
}

.cert-status.completed {
    background: rgba(125, 132, 113, 0.2);
    color: var(--primary-accent);
}

.cert-status.ongoing {
    background: rgba(180, 168, 154, 0.2);
    color: var(--secondary-accent);
}

/* Project Tabs */
.project-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 400;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.tab-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-medium);
}

.tab-btn.active {
    background: var(--primary-accent);
    color: white;
    border-color: var(--primary-accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.project-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    box-shadow: 
        0 8px 32px var(--shadow-light),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 20px 60px var(--shadow-medium),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.project-image {
    width: 100%;
    height: 280px;
    background: linear-gradient(135deg, 
        rgba(125, 132, 113, 0.1) 0%, 
        rgba(180, 168, 154, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.project-content {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.project-content h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 400;
    font-size: 1.1rem;
    letter-spacing: 0.01em;
}

.project-content p {
    color: var(--text-muted);
    font-weight: 300;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-links {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: var(--primary-accent);
    color: white;
    border-color: var(--primary-accent);
    transform: translateY(-2px);
}

/* Experience Section */
.experience-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 4rem;
}

.experience-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.experience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.experience-card:hover {
    transform: translateX(10px);
    box-shadow: 0 12px 40px var(--shadow-medium);
}

.experience-card:hover::before {
    opacity: 1;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.experience-title {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.experience-company {
    font-size: 1rem;
    color: var(--primary-accent);
    font-weight: 400;
}

.experience-duration {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 300;
}

.experience-description {
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.experience-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.4rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    text-align: center;
    border-radius: 20px;
    box-shadow: 
        0 8px 32px var(--shadow-light),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-section:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 12px 40px var(--shadow-medium),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.contact-section h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 400;
    font-size: 1.5rem;
    letter-spacing: 0.02em;
}

.contact-section p {
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.contact-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: 0.9rem 2.2rem;
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 400;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all 0.3s;
    box-shadow: 0 4px 15px var(--shadow-light);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    background: var(--primary-accent);
    border-color: var(--primary-accent);
    color: white;
}

/* Footer Social Links */
.social-links-footer {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.social-link-footer {
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.social-link-footer:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 6px 20px var(--shadow-medium);
    background: var(--primary-accent);
}

.social-link-footer img {
    width: 26px;
    height: 26px;
    filter: var(--logo-filter);
}


/* Need to work on LinkedIn Logo
.social-link-footer:hover img {
    filter: brightness(0) invert(1);
}

.social-link-footer:hover img[alt="GitHub"] {
    filter: brightness(0) invert(1);
}

.social-link-footer:hover img[alt="LinkedIn"] {
    filter: brightness(0) invert(1);
}
*/

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-accent);
    color: white;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px var(--shadow-medium);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--shadow-strong);
    background: var(--secondary-accent);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 2rem;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 20px 80px var(--shadow-strong);
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: 2.5rem 2rem;
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--glass-border);
}

.close-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    box-shadow: 0 4px 15px var(--shadow-light);
}

.close-btn:hover {
    transform: translateY(-2px) rotate(90deg);
    box-shadow: 0 6px 20px var(--shadow-medium);
    border-color: var(--primary-accent);
}

.modal-body {
    padding: 2.5rem 2rem;
}

.modal-body p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 300;
    line-height: 1.8;
}

.figma-embed, .youtube-embed {
    width: 100%;
    height: 600px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin: 1rem 0;
    box-shadow: 0 8px 32px var(--shadow-light);
}

/* Password Modal */
.password-modal-content {
    max-width: 500px;
}

.password-input {
    width: 100%;
    padding: 1rem;
    margin: 1rem 0;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.password-input:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(125, 132, 113, 0.1);
}

.password-submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--primary-accent);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.password-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-medium);
    background: var(--secondary-accent);
}

.password-error {
    color: #e74c3c;
    font-size: 0.9rem;
    margin: 0.5rem 0;
    min-height: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .theme-toggle {
        top: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
    }
    
    nav a {
        margin: 0 0.8rem;
        font-size: 0.85rem;
    }

    .container {
        padding: 3rem 1.5rem;
    }

    .header-actions {
        flex-direction: column;
        gap: 1.5rem;
    }

    .social-links-header {
        gap: 0.8rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
    }

    .social-link img {
        width: 20px;
        height: 20px;
    }

    .resume-btn {
        padding: 0.8rem 1.8rem;
        font-size: 0.9rem;
    }

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

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
        gap: 1rem;
    }

    .skill-logo {
        width: 40px;
        height: 40px;
    }

    .skill-card {
        padding: 1.5rem 0.8rem;
    }

    .cert-card {
        padding: 1.2rem 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

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

    .experience-header {
        flex-direction: column;
    }

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

    .tab-btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.85rem;
    }

    .social-links-footer {
        gap: 1rem;
    }

    .social-link-footer {
        width: 45px;
        height: 45px;
    }

    .social-link-footer img {
        width: 22px;
        height: 22px;
    }

    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}