/* CSS Variables & Theme */
:root {
    --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
    --font-sans: "Inter", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, monospace;

    --color-primary: #00d4ff;
    --color-primary-dark: #0099cc;
    --color-secondary: #a855f7;
    --color-tertiary: #ec4899;
    --color-accent: #f59e0b;

    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --bg-card: #1a1a1a;
    --bg-card-light: #242424;

    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-tertiary: #b0b0b0;

    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);

    --shadow-sm: 0 2px 8px rgba(0, 212, 255, 0.1);
    --shadow-md: 0 8px 24px rgba(0, 212, 255, 0.15);
    --shadow-lg: 0 16px 48px rgba(0, 212, 255, 0.2);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.4);

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

a:hover {
    color: var(--color-secondary);
    text-decoration: none;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px) brightness(0.95);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    padding: 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: 2px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
    margin: 0;
    padding: 0;
}

.nav-item {
    display: inline-block;
}

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

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(10, 10, 10, 0.98);
        width: 100%;
        text-align: center;
        transition: left var(--transition-base);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.5);
        padding: 2rem 1rem;
        gap: 1rem;
        border-bottom: 1px solid rgba(0, 212, 255, 0.2);
        backdrop-filter: blur(20px);
    }

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

    .nav-item {
        margin: 0.5rem 0;
    }

    .nav-link {
        font-size: 1rem;
        padding: 0.75rem 0;
        display: block;
    }

    .nav-link::after {
        display: none;
    }

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

    .nav-container {
        padding: 1rem 1.5rem;
    }
}

/* Header & Hero */
.header {
    padding: 120px 2rem 80px;
    background: linear-gradient(180deg, rgba(10, 10, 10, 1) 0%, rgba(15, 15, 15, 0.8) 100%);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.header-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0;
}

.profile-pic {
    width: 280px;
    height: 280px;
    border-radius: 20px;
    object-fit: cover;
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.4), 0 0 80px rgba(0, 212, 255, 0.2);
    flex-shrink: 0;
    transition: all var(--transition-base);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.profile-pic:hover {
    transform: scale(1.05) translateY(0px);
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.6), 0 0 100px rgba(0, 212, 255, 0.3);
}

.name {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: 3px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    line-height: 1.2;
}

.summary-text {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: left;
}

.contact-info,
.contact-links {
    font-size: clamp(0.85rem, 2vw, 1rem);
    line-height: 1.8;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-links {
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.separator {
    margin: 0 0.5rem;
    color: var(--color-primary);
    opacity: 0.5;
}

.info-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
}

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

.info-icon {
    color: var(--color-primary);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(0, 212, 255, 0.1);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.icon-link svg {
    width: 24px;
    height: 24px;
    transition: all var(--transition-base);
}

.icon-link:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.icon-link:hover svg {
    transform: scale(1.2);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 1rem;
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    width: fit-content;
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.4);
}

.download-btn svg {
    transition: transform var(--transition-base);
    width: 20px;
    height: 20px;
}

.download-btn:hover svg {
    transform: translateY(3px);
}

/* Sections */
.section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 5rem 2rem;
    position: relative;
}

.section:nth-child(even) {
    background-color: rgba(15, 15, 15, 0.5);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-bottom: 2px solid;
    border-image: var(--gradient-secondary) 1;
    padding-bottom: 1.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Experience */
.experience-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.experience-item {
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.experience-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.experience-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    background: var(--bg-card-light);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.2);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.job-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.job-subtitle {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--text-tertiary);
}

.job-right {
    text-align: right;
    flex-shrink: 0;
}

.job-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.job-location {
    font-size: 0.8rem;
    font-style: italic;
    color: var(--text-tertiary);
}

.job-responsibilities {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.job-responsibilities li {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    text-align: justify;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-secondary);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-secondary);
    background: var(--bg-card-light);
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.2);
}

.skill-category {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skill-list {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-item {
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 16px;
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
}

.project-item:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    background: var(--bg-card-light);
    box-shadow: 0 16px 48px rgba(245, 158, 11, 0.2);
}

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

.project-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    flex: 1;
}

.project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.project-link svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.project-link:hover {
    background: rgba(0, 212, 255, 0.2);
    border-color: var(--color-primary);
    transform: scale(1.1) rotate(5deg);
}

.project-description {
    font-size: 0.95rem;
    text-align: justify;
    line-height: 1.7;
    color: var(--text-secondary);
    flex-grow: 1;
}

/* Education */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.education-card {
    background: var(--bg-card);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-secondary);
}

.education-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-secondary);
    background: var(--bg-card-light);
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.2);
}

.education-degree {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.education-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Certifications */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid rgba(235, 72, 153, 0.2);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-secondary);
}

.cert-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-tertiary);
    background: var(--bg-card-light);
    box-shadow: 0 16px 48px rgba(236, 72, 153, 0.2);
}

.cert-icon {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    background: rgba(236, 72, 153, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(236, 72, 153, 0.2);
    transition: all var(--transition-base);
}

.cert-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.cert-card:hover .cert-icon {
    background: rgba(236, 72, 153, 0.2);
    border-color: var(--color-tertiary);
    transform: scale(1.1);
}

.cert-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-container {
        gap: 2rem;
    }

    .profile-pic {
        width: 240px;
        height: 240px;
    }

    .nav-menu {
        gap: 0.5rem;
    }

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

@media (max-width: 768px) {
    .header {
        padding: 100px 1.5rem 60px;
    }

    .header-container {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .header-content {
        align-items: center;
    }

    .profile-pic {
        width: 200px;
        height: 200px;
    }

    .contact-info,
    .contact-links {
        justify-content: center;
    }

    .section {
        padding: 3.5rem 1.5rem;
    }

    .section-title {
        margin-bottom: 2rem;
    }

    .job-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .job-right {
        text-align: left;
        width: 100%;
    }

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

    .nav-container {
        padding: 1rem 1rem;
        gap: 1rem;
    }

    .nav-menu {
        padding: 1.5rem 0.5rem;
    }

    .download-btn {
        width: 100%;
        justify-content: center;
    }

    .project-header {
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 80px 1rem 50px;
    }

    .nav-container {
        padding: 0.75rem;
    }

    .nav-menu {
        top: 60px;
    }

    .profile-pic {
        width: 160px;
        height: 160px;
    }

    .name {
        font-size: 1.5rem;
    }

    .section {
        padding: 2.5rem 1rem;
    }

    .section-title {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }

    .experience-item,
    .project-item,
    .cert-card {
        padding: 1.25rem;
    }

    .skill-card {
        padding: 1.25rem;
    }

    .contact-info,
    .contact-links {
        font-size: 0.85rem;
        gap: 0.5rem;
    }

    .separator {
        display: none;
    }

    .job-responsibilities li {
        font-size: 0.9rem;
    }

    .summary-text {
        text-align: left;
    }

    .education-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }

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

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.experience-item,
.skill-card,
.project-item,
.education-card,
.cert-card {
    animation: fadeInUp 0.6s ease-out;
}

.experience-item:nth-child(1) { animation-delay: 0.1s; }
.experience-item:nth-child(2) { animation-delay: 0.2s; }
.skill-card:nth-child(1) { animation-delay: 0.1s; }
.skill-card:nth-child(2) { animation-delay: 0.2s; }
.skill-card:nth-child(3) { animation-delay: 0.3s; }
.project-item:nth-child(1) { animation-delay: 0.1s; }
.project-item:nth-child(2) { animation-delay: 0.2s; }
.education-card:nth-child(1) { animation-delay: 0.1s; }
.education-card:nth-child(2) { animation-delay: 0.2s; }
.education-card:nth-child(3) { animation-delay: 0.3s; }
.cert-card:nth-child(1) { animation-delay: 0.1s; }
.cert-card:nth-child(2) { animation-delay: 0.2s; }

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--bg-dark);
}

::-moz-selection {
    background: var(--color-primary);
    color: var(--bg-dark);
}