/* ============================================
   DESIGN SYSTEM & CSS VARIABLES
   ============================================ */
:root {
    /* Colors strictly matching screenshot */
    --bg-page: #000000;
    --bg-container: #09090b;
    --bg-hover: #18181b;

    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-tertiary: #52525b;

    --border-color: #27272a;

    /* Brand Colors */
    --brand-blue: #3b82f6;

    /* Typography */
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Layout */
    --max-width: 900px;
    --bg-topbar: rgba(9, 9, 11, 0.8);
}

[data-theme="light"] {
    --bg-page: #f4f4f5;
    --bg-container: #ffffff;
    --bg-hover: #f4f4f5;
    --text-primary: #09090b;
    --text-secondary: #52525b;
    --text-tertiary: #a1a1aa;
    --border-color: #e4e4e7;
    --bg-topbar: rgba(255, 255, 255, 0.9);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease;
}

button {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font: inherit;
}

/* ============================================
   LAYOUT WRAPPER
   ============================================ */
.layout-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    background-color: var(--bg-container);
    min-height: 100vh;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    position: relative;
}

/* Base style for sections separated by borders */
.grid-section {
    border-bottom: 1px solid var(--border-color);
    /* Adding subtle diagonal stripe pattern on the very edges */
    background-image: repeating-linear-gradient(45deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.01) 2px,
            rgba(255, 255, 255, 0.01) 4px);
    background-attachment: fixed;
}

/* Ensure content on top of stripes has solid bg */
.grid-section>* {
    position: relative;
    z-index: 2;
}

/* ============================================
   TOP NAVIGATION
   ============================================ */
.topbar {
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-topbar);
    backdrop-filter: blur(12px);
    z-index: 100;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 1;
}

.nav-links {
    display: flex;
    gap: 24px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
}

.nav-links a {
    transition: color 0.2s;
}

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

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cmd-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background-color: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    transition: all 0.2s;
}

.cmd-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

.icon-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.icon-btn:hover {
    color: var(--text-primary);
}

.icon-sm {
    width: 16px;
    height: 16px;
}

/* ============================================
   PROFILE HEADER
   ============================================ */
.profile-header {
    display: flex;
    padding: 40px 48px;
    gap: 32px;
    align-items: center;
    background-color: var(--bg-container);
    /* Solid bg overrides stripes */
}

.avatar-container {
    position: relative;
    width: 140px;
    height: 140px;
    flex-shrink: 0;
}

.avatar-bg {
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--border-color), transparent);
    z-index: 0;
}

.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--bg-hover);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.avatar span {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.profile-title {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.status-tags {
    display: flex;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.status-tags .text-zinc {
    color: var(--text-tertiary);
}

.name-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.name-row h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.verified-icon {
    color: var(--brand-blue);
    font-size: 1.1rem;
}

.audio-btn {
    color: var(--text-secondary);
    display: flex;
    padding: 4px;
    border-radius: 4px;
}

.audio-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.tagline {
    color: var(--text-secondary);
    font-size: 14px;
    font-family: var(--font-mono);
}

/* ============================================
   INFO GRID
   ============================================ */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--bg-container);
}

.info-list {
    display: flex;
    flex-direction: column;
    padding: 32px 48px;
}

.column-right {
    border-left: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 10px 0;
}

.info-item svg,
.info-item i {
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.info-item a:hover {
    text-decoration: underline;
    color: var(--text-primary);
}

/* ============================================
   SOCIALS GRID
   ============================================ */
.socials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--bg-container);
}

.social-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 48px;
    transition: background-color 0.2s;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

/* Removing bottom border for last 2 items so it doesn't double up with grid-section border */
.social-card:nth-last-child(-n+2) {
    border-bottom: none;
}

.socials-grid .social-card:nth-child(even) {
    border-left: 1px solid var(--border-color);
}

.social-card:hover {
    background-color: var(--bg-hover);
}

.social-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: #111;
    color: #fff;
}

/* Custom Brands */
.github-icon {
    background: #fff;
    color: #000;
    font-size: 1.2rem;
}

.linkedin-icon {
    background: #0077b5;
    font-size: 1rem;
}

.colab-icon {
    background: #f9ab00;
    font-size: 1rem;
}

.social-card span {
    font-weight: 500;
    font-size: 14px;
}

.arrow-icon {
    margin-left: auto;
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
    transition: transform 0.2s, color 0.2s;
}

.social-card:hover .arrow-icon {
    transform: translate(2px, -2px);
    color: var(--text-primary);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    padding: 48px;
    background-color: var(--bg-container);
}

.about-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.about-content ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-content li {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    font-family: var(--font-mono);
}

.bullet {
    width: 4px;
    height: 4px;
    background-color: var(--text-tertiary);
    border-radius: 50%;
    margin-top: 10px;
    flex-shrink: 0;
}

/* ============================================
   TECH STACK SECTION
   ============================================ */
.tech-stack-section {
    padding: 0;
    background-color: var(--bg-container);
}

.tech-stack-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    padding: 48px 48px 24px 48px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border-color);
}

.tech-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: background-color 0.2s, color 0.2s;
}

.tech-grid .tech-card:nth-child(3n) {
    border-right: none;
}

.tech-grid .tech-card:nth-last-child(-n+3) {
    border-bottom: none;
}

.tech-card:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.tech-card i,
.tech-card svg {
    width: 18px;
    height: 18px;
    font-size: 18px;
}

.tech-card span {
    font-family: var(--font-mono);
    font-size: 13px;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-section {
    padding: 0;
    background-color: var(--bg-container);
}

.projects-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    padding: 48px 48px 24px 48px;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--border-color);
}

.project-card {
    display: flex;
    flex-direction: column;
    padding: 32px 48px;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.projects-grid .project-card:nth-child(even) {
    border-right: none;
}

.projects-grid .project-card:nth-last-child(-n+2) {
    border-bottom: none;
}

.project-card:hover {
    background-color: var(--bg-hover);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.project-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.project-card p {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

.tech-stack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-stack-tags span {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-tertiary);
    background-color: transparent;
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
}

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience-section {
    padding: 0;
    background-color: var(--bg-container);
}

.experience-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    padding: 48px 48px 24px 48px;
    border-bottom: 1px solid var(--border-color);
}

.experience-list {
    display: flex;
    flex-direction: column;
}

.experience-item {
    padding: 32px 48px;
    border-bottom: 1px solid var(--border-color);
}

.experience-item:last-child {
    border-bottom: none;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.exp-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.exp-date {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-tertiary);
}

.company-name {
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--brand-blue);
    font-weight: 500;
    margin-bottom: 16px;
}

.experience-item p {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
}

/* ============================================
   CERTIFICATIONS SECTION
   ============================================ */
.certifications-section {
    padding: 0;
    background-color: var(--bg-container);
}

.certifications-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    padding: 48px 48px 24px 48px;
    border-bottom: 1px solid var(--border-color);
}

.cert-list {
    display: flex;
    flex-direction: column;
}

.cert-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 48px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.cert-item:last-child {
    border-bottom: none;
}

.cert-item:hover {
    background-color: var(--bg-hover);
}

.cert-content h3 {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.cert-content span {
    font-size: 13px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.cert-icon {
    color: var(--text-tertiary);
    width: 20px;
    height: 20px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    padding: 0;
    background-color: var(--bg-container);
}

.contact-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    padding: 48px 48px 24px 48px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--border-color);
}

.contact-prompt {
    padding: 48px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-links {
    display: flex;
    flex-direction: column;
}

.contact-prompt h3 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-prompt p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-action {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 24px;
    padding: 24px 48px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: background-color 0.2s;
}

.contact-action:last-child {
    border-bottom: none;
}

.contact-action:hover {
    background-color: var(--bg-hover);
}

.contact-action span {
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-action i {
    width: 24px;
    height: 24px;
}

.action-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.contact-detail {
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* Hide on mobile to match screenshot nav style */
    }

    .profile-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 32px 24px;
        gap: 24px;
    }

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

    .column-right {
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-top: 16px;
        padding-bottom: 32px;
    }

    .info-list {
        padding: 24px;
        padding-bottom: 16px;
    }

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

    .socials-grid .social-card:nth-child(even) {
        border-left: none;
    }

    .social-card {
        border-bottom: 1px solid var(--border-color);
        padding: 20px 24px;
    }

    /* Re-add border to the second-to-last item since it's now in one column */
    .social-card:nth-last-child(2) {
        border-bottom: 1px solid var(--border-color);
    }

    .about-section {
        padding: 32px 24px;
    }

    .tech-stack-section h2 {
        padding: 32px 24px 16px 24px;
    }

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

    .tech-grid .tech-card:nth-child(3n) {
        border-right: 1px solid var(--border-color);
    }

    .tech-grid .tech-card:nth-child(2n) {
        border-right: none;
    }

    .tech-grid .tech-card:nth-last-child(-n+3) {
        border-bottom: 1px solid var(--border-color);
    }

    .tech-grid .tech-card:nth-last-child(-n+2) {
        border-bottom: none;
    }

    .projects-section h2,
    .experience-section h2 {
        padding: 32px 24px 16px 24px;
    }

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

    .projects-grid .project-card:nth-child(even) {
        border-right: none;
    }

    .projects-grid .project-card {
        border-right: none;
        padding: 24px;
    }

    .projects-grid .project-card:nth-last-child(-n+2) {
        border-bottom: 1px solid var(--border-color);
    }

    .projects-grid .project-card:last-child {
        border-bottom: none;
    }

    .experience-item {
        padding: 24px;
    }

    .exp-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .certifications-section h2,
    .contact-section h2 {
        padding: 32px 24px 16px 24px;
    }

    .cert-item {
        padding: 24px;
    }

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

    .contact-prompt {
        padding: 32px 24px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

/* ============================================
   SEARCH MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 15vh;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.2s;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.search-modal-content {
    background-color: var(--bg-container);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 600px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.search-header {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
}

.search-header i {
    color: var(--text-tertiary);
}

.search-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    outline: none;
    font-family: var(--font-sans);
}

.search-results {
    max-height: 400px;
    overflow-y: auto;
}

.search-result-item {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--bg-hover);
}

.result-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.result-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============================================
   TECH STACK COLORS & CERTIFICATE MODAL
   ============================================ */
.tech-card i.fa-python {
    color: #3776AB;
}

.tech-card i.fa-python-color {
    color: #3776AB;
}

.tech-card i.fa-numpy-color {
    color: #013243;
}

.tech-card i.fa-matplotlib-color {
    color: #FF6F00;
}

.tech-card i.fa-tensorflow-color {
    color: #FF6F00;
}

.tech-card i.fa-html5-color {
    color: #E34F26;
}

.tech-card i.fa-js-color {
    color: #F7DF1E;
}

.tech-card i.fa-flask-color {
    color: #000000;
}

.tech-card i.fa-pandas-color {
    color: #2CA02C;
}

.tech-card i.fa-java-color {
    color: #007396;
}

.tech-card i.fa-mysql-color {
    color: #00758F;
}

.tech-card i.fa-scikitlearn-color {
    color: #8A2BE2;
}

.tech-card i.fa-anaconda-color {
    color: #44A833;
}

.tech-card i[data-feather="database"] {
    color: #336791;
}

.tech-card i[data-feather="cpu"] {
    color: #FF6F00;
}

.tech-card i.fa-html5 {
    color: #E34F26;
}

.tech-card i.fa-css3-alt {
    color: #1572B6;
}

.tech-card i.fa-js-square {
    color: #F7DF1E;
}

.tech-card i.fa-java {
    color: #007396;
}

.tech-card i.fa-react {
    color: #61DAFB;
}

.tech-card i.fa-git-alt {
    color: #F05032;
}

.tech-card i.fa-figma {
    color: #F24E1E;
}

.tech-card i.fa-flask {
    color: var(--text-primary);
}

.cert-item {
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
}

.cert-item:hover {
    transform: translateY(-2px);
    background-color: var(--bg-hover);
}

.cert-modal-content {
    background-color: var(--bg-container);
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 800px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
}

.cert-img-container {
    padding: 24px;
    background: var(--bg-hover);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.cert-img-container img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}