/* ========================================
   CSS Variables - Design System
   ======================================== */
:root {
    /* Colors */
    --color-bg-primary: #1a1a1a;
    --color-bg-secondary: #252525;
    --color-bg-tertiary: #1e1e1e;
    --color-accent-primary: #1765BF;
    --color-accent-secondary: #A3E4F0;
    --color-accent-hover: #5A9FD4;
    --color-text-primary: #e8e8e8;
    --color-text-secondary: #b0b0b0;
    --color-text-muted: #808080;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
    background: var(--color-bg-primary);
    min-height: 100%;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 100%);
    background-attachment: fixed;
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    min-height: -webkit-fill-available;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
    background: linear-gradient(90deg, var(--color-accent-primary) 65%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 500;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--color-accent-secondary);
}

/* ========================================
   Layout
   ======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    display: inline-block;
    width: 100%;
    position: sticky;
    top: 80px;
    z-index: 100;
    padding: var(--spacing-md) 0;
}

.section-title::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -100vw;
    right: -100vw;
    backdrop-filter: blur(15px) saturate(150%);
    background: rgba(26, 26, 26, 0.1);
    z-index: 1;
}

.section-title span {
    position: relative;
    z-index: 2;
    background: linear-gradient(90deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title-left {
    text-align: left;
    width: auto;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(23, 101, 191, 0.1);
    transition: box-shadow var(--transition-speed) ease;
}

.nav.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-profile-img {
    width: 0;
    height: 0;
    aspect-ratio: 1 / 1;    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-accent-primary);
    opacity: 0;
    margin-right: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.nav.scrolled .nav-profile-img {
    width: 60px;
    height: 60px;
    opacity: 1;
    margin-right: var(--spacing-sm);
}

.nav-profile-img:hover {
    border-color: var(--color-accent-secondary);
    transform: scale(1.05);
}

.nav-info {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.nav-tagline {
    font-size: 0.75rem;
    font-style: italic;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.2;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    display: inline-block;
    background: linear-gradient(90deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 0.95;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-speed) ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-primary) 65%, var(--color-accent-secondary) 100%);
    transition: width var(--transition-speed) ease;
}

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

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-container {
    max-width: 1200px;
    display: flex;
    align-items: center;
    gap: var(--spacing-3xl);
}

.hero-left {
    flex-shrink: 0;
}

.hero-right {
    flex: 1;
    text-align: left;
}

.hero-profile-img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    /* border: 4px solid transparent; */
    background: linear-gradient(90deg, var(--color-accent-primary) 65%, var(--color-accent-secondary) 100%);
    padding: 4px;
    transition: all var(--transition-speed) ease;
}

.hero-profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(23, 101, 191, 0.4);
}

.hero-title {
    margin-bottom: 0px;
    background: linear-gradient(135deg, var(--color-text-primary), var(--color-text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: var(--color-accent-secondary);
    font-weight: 500;
    margin-bottom: 0px;
    /* margin-bottom: var(--spacing-xs); */
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 0px;
    /* margin-bottom: var(--spacing-xs); */
    font-weight: 300;
}

.hero-bio {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-accent-primary) 65%, var(--color-accent-secondary) 100%);
    color: var(--color-text-primary);
    box-shadow: 0 4px 15px rgba(23, 101, 191, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 101, 191, 0.4);
    background: linear-gradient(90deg, var(--color-accent-primary) 65%, var(--color-accent-secondary) 100%);
    filter: brightness(1.1);
}

/* ========================================
   Certifications Section
   ======================================== */
.certifications-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    max-width: 1100px;
    margin: 0 auto;
    justify-items: center;
}

.certification-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(23, 101, 191, 0.15);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-speed) ease;
    max-width: 230px;
    width: 100%;
}

.certification-card:hover {
    transform: translateY(-5px);
    border-color: rgba(23, 101, 191, 0.3);
    box-shadow: 0 10px 30px rgba(23, 101, 191, 0.2);
}

.cert-badge-container {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xs);
}

.cert-badge-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all var(--transition-speed) ease;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
}

.certification-card:hover .cert-badge-img {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 15px rgba(23, 101, 191, 0.4));
}

.cert-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.cert-name {
    color: var(--color-text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.cert-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.cert-issuer {
    color: var(--color-accent-secondary);
    font-weight: 500;
    font-size: 0.85rem;
}

.cert-year {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    padding-left: var(--spacing-xs);
    border-left: 1px solid var(--color-text-muted);
}

/* ========================================
   Skills Section
   ======================================== */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.skill-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(23, 101, 191, 0.15);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-speed) ease;
    min-width: 150px;
    flex: 0 0 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: rgba(23, 101, 191, 0.3);
    box-shadow: 0 8px 25px rgba(23, 101, 191, 0.15);
}

.skill-icon {
    font-size: 3rem;
    color: var(--color-accent-secondary);
    margin-bottom: var(--spacing-sm);
}

.skill-name {
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: clamp(0.6rem, 1vw, 0.75rem);
    line-height: 1.3;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    width: 100%;
}

.skill-rating {
    display: flex;
    gap: 0.15rem;
    margin-top: var(--spacing-xs);
    font-size: 0.7rem;
    background: linear-gradient(90deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    width: fit-content;
}

.skill-rating .fa-star,
.skill-rating .far.fa-star {
    color: transparent;
}

/* Skill card visibility toggle */
.skill-card.skill-hidden {
    display: none;
    opacity: 0;
    transform: translateY(30px) scale(0.9);
}

.skill-card.skill-hidden.skill-visible {
    display: flex;
    animation: skillReveal 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* After animation completes, remove animation lock to allow hover */
.skill-card.skill-hidden.skill-revealed {
    display: flex;
    animation: none;
    opacity: 1;
    transform: translateY(0) scale(1);
}

.skill-card.skill-hidden.skill-revealed:hover {
    transform: translateY(-5px) scale(1);
    border-color: rgba(23, 101, 191, 0.3);
    box-shadow: 0 8px 25px rgba(23, 101, 191, 0.15);
}

@keyframes skillReveal {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Collapsing animation */
.skill-card.skill-hidden.skill-collapsing {
    display: flex;
    animation: skillCollapse 0.8s cubic-bezier(0.55, 0.06, 0.68, 0.19) forwards;
}

@keyframes skillCollapse {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
}

/* Show More Button */
.skills-toggle-container {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.btn-show-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-xl);
    background: transparent;
    border: 1px solid rgba(23, 101, 191, 0.3);
    border-radius: var(--border-radius);
    color: var(--color-accent-secondary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.btn-show-more:hover {
    background: rgba(23, 101, 191, 0.15);
    border-color: var(--color-accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(23, 101, 191, 0.2);
}

.btn-show-more i {
    transition: transform var(--transition-speed) ease;
}

/* ========================================
   Experience Timeline
   ======================================== */
.experience-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 60px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
}

.timeline-item {
    display: flex;
    position: relative;
    gap: var(--spacing-xs);
    margin-left: 110px;
}

.timeline-marker {
    position: absolute;
    left: -110px;
    top: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    width: 70px;
    justify-content: flex-end;
}

.timeline-date {
    color: var(--color-accent-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    text-align: right;
    margin-right: var(--spacing-md);
}

.timeline-circle {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-accent-primary);
    border: 3px solid var(--color-bg-primary);
    box-shadow: 0 0 0 2px var(--color-accent-primary);
    position: absolute;
    /* left: -48px; */
    z-index: 1;
    transition: all var(--transition-speed) ease;
}

.experience-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(23, 101, 191, 0.15);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-speed) ease;
    flex: 1;
    display: flex;
    gap: var(--spacing-xl);
}

.experience-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-accent-primary) 65%, var(--color-accent-secondary) 100%);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.experience-card:hover {
    transform: translateX(5px);
    border-color: rgba(23, 101, 191, 0.3);
    box-shadow: 0 8px 25px rgba(23, 101, 191, 0.15);
}

.experience-left {
    flex: 1;
    min-width: 0;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-lg);
    border-right: 1px solid rgba(163, 228, 240, 0.3);
}

.experience-right {
    flex: 2;
    min-width: 0;
    display: flex;
    align-items: center;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.timeline-item:hover .timeline-circle {
    transform: scale(1.3);
    box-shadow: 0 0 0 2px var(--color-accent-secondary);
    background: var(--color-accent-secondary);
}

.experience-role {
    color: var(--color-text-primary);
    margin-bottom: 0px;
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
}

.experience-company {
    color: var(--color-accent-secondary);
    font-weight: 500;
    margin-bottom: 0px;
    font-size: clamp(0.85rem, 1.8vw, 1rem);
}

.experience-duration {
    color: var(--color-text-muted);
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    margin-bottom: 0;
}

.experience-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: clamp(0.8rem, 1.6vw, 0.9rem);
}

/* ========================================
   Projects Section
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(23, 101, 191, 0.15);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-speed) ease;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(23, 101, 191, 0.3);
    box-shadow: 0 10px 30px rgba(23, 101, 191, 0.2);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
}

.project-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    font-size: clamp(0.9rem, 1.8vw, 1rem);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tech-tag {
    background: rgba(23, 101, 191, 0.15);
    color: var(--color-accent-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent-primary);
    font-weight: 500;
    transition: all var(--transition-speed) ease;
}

.project-link:hover {
    color: var(--color-accent-secondary);
    transform: translateX(3px);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    text-align: center;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.email-link {
    display: inline-block;
    font-size: 1.5rem;
    color: var(--color-accent-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    transition: all var(--transition-speed) ease;
}

.email-link:hover {
    color: var(--color-accent-secondary);
    transform: scale(1.05);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(23, 101, 191, 0.15);
    color: var(--color-accent-secondary);
    font-size: 1.5rem;
    transition: all var(--transition-speed) ease;
}

.social-link:hover {
    background: linear-gradient(90deg, var(--color-accent-primary) 65%, var(--color-accent-secondary) 100%);
    color: var(--color-text-primary);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(23, 101, 191, 0.3);
}

.footer {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(23, 101, 191, 0.1);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.build-info {
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    opacity: 0.6;
    font-family: 'Courier New', monospace;
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --spacing-3xl: 4rem;
    }

    body {
        overflow-x: hidden;
    }

    /* Keep nav visible on mobile but simplified */
    .nav {
        display: block;
    }

    .nav-container {
        height: 60px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    /* Hide all nav links except Blog on mobile */
    .nav-links li {
        display: none;
    }

    /* Show only Blog link on mobile */
    .nav-links li:has(a[href*="substack"]),
    .nav-links li:has(a[target="_blank"]:not([href^="#"])) {
        display: block;
    }

    /* Reduced section spacing */
    section {
        padding: var(--spacing-lg) 0;
    }

    .section-title {
        position: static;
        padding: var(--spacing-xs) 0;
        margin-bottom: var(--spacing-md);
        font-size: 1.5rem;
    }

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

    .section-title::before {
        display: none;
    }

    .section-title-left {
        text-align: center;
        width: 100%;
    }

    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.9rem;
        margin-right: 10px;
    }

    .nav.scrolled .nav-profile-img {
        width: 40px;
        height: 40px;
        aspect-ratio: 1 / 1;
        margin: 10px !important;
    }

    .nav-tagline {
        display: none;
    }

    .logo {
        font-size: 1.25rem;
    }

    /* Instagram-style Hero Section */
    .hero {
        min-height: auto;
        padding: var(--spacing-md) 0;
        padding-top: var(--spacing-md);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        position: static;
        z-index: 10;
        background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
        box-shadow: none;
    }

    .hero-container {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        align-items: center;
        max-width: 100%;
    }

    .hero-left {
        flex-shrink: 0;
        display: flex;
        justify-content: center;
    }

    .hero-right {
        text-align: center;
        flex: 1;
    }

    .hero-profile-img {
        width: 150px;
        height: 150px;
        margin-bottom: 0;
    }

    .hero-title {
        font-size: 1.5rem;
        margin-bottom: 4px;
    }

    .hero-subtitle {
        font-size: 0.8rem;
        margin-bottom: 4px;
    }

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

    .hero-bio {
        font-size: 0.85rem;
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
        padding: 0px 50px 0px 50px;
    }

    /* Instagram-style Certifications Grid */
    .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
        max-width: 100%;
        width: 100%;
        margin: 0;
    }

    .certification-card {
        max-width: 100%;
        width: 100%;
        padding: var(--spacing-md);
        aspect-ratio: 1;
        border-radius: 0;
        border: none;
        background: rgba(255, 255, 255, 0.05);
        display: flex;
        flex-direction: column;
        justify-content: center;
        overflow: hidden;
        gap: 5px;
    }

    .certification-card:hover {
        transform: none;
        background: rgba(255, 255, 255, 0.08);
    }

    .cert-badge-container {
        width: 70px;
        height: 70px;
        /* margin-bottom: var(--spacing-sm); */
    }

    .cert-name {
        font-size: 0.8rem;
        line-height: 1.2;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .cert-meta {
        display: none;
    }

    .cert-issuer {
        display: none;
    }

    .cert-year {
        display: none;
    }

    /* Instagram-style Tech Stack Grid */
    .skills-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
        max-width: 100%;
        width: 100%;
        margin: 0;
        margin-bottom: 0;
    }

    .skill-card,
    .skill-card.skill-hidden,
    .skill-card.skill-hidden.skill-visible,
    .skill-card.skill-hidden.skill-revealed,
    .skill-card.skill-hidden.skill-collapsing {
        min-width: 0;
        width: 100%;
        flex: none;
        aspect-ratio: 1;
        border-radius: 0;
        border: none;
        background: rgba(255, 255, 255, 0.05);
        padding: var(--spacing-xs);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        opacity: 1;
        transform: none;
        animation: none;
        text-align: center;
    }

    .skill-card:hover,
    .skill-card.skill-hidden:hover,
    .skill-card.skill-hidden.skill-revealed:hover {
        transform: none;
        background: rgba(255, 255, 255, 0.08);
    }

    .skill-icon {
        font-size: 2.5rem;
        margin-bottom: 0;
    }

    .skill-name {
        font-size: 0.75rem;
        text-align: center;
    }

    .skill-rating {
        font-size: 0.65rem;
        gap: 0.15rem;
        margin-top: 0;
    }

    .skills-toggle-container {
        display: none;
    }

    .experience-timeline {
        padding-left: 0;
    }

    .experience-timeline::before {
        left: 50%;
        transform: translateX(-50%);
        z-index: 0;
        gap: var(--spacing-xs);

    }

    .timeline-item {
        flex-direction: column;
        align-items: center;
        margin-left: 0;
    }

    .timeline-marker {
        position: relative;
        left: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        margin-bottom: var(--spacing-xs);
        z-index: 2;
    }

    .timeline-date {
        font-size: 1rem;
        text-align: center;
        margin-right: 0;
        /* Add frosted background to prevent overlap with vertical line */
        background: rgba(26, 26, 26, 0.85);
        backdrop-filter: blur(10px) saturate(150%);
        padding: var(--spacing-xs) var(--spacing-sm);
        border-radius: 8px;
        border: 1px solid rgba(23, 101, 191, 0.2);
    }

    .timeline-circle {
        width: 14px;
        height: 14px;
        position: relative;
        left: 0;
    }

    .experience-card {
        width: 100%;
        z-index: 1;
        background: var(--color-bg-primary);
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .experience-left,
    .experience-right {
        flex: 1;
    }

    .experience-left {
        border-right: none;
        padding-right: 0;
    }

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

    .project-content {
        padding: var(--spacing-lg);
    }    

    .tech-tags {
        margin-bottom: 0;
    }
        
    .container {
        padding: 0 var(--spacing-sm);
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.25rem;
    }

    .nav-links {
        gap: var(--spacing-xs);
    }

    /* Reduced spacing for small screens */
    section {
        padding: var(--spacing-md) 0;
    }

    .section-title {
        margin-bottom: var(--spacing-sm);
        padding: 4px 0;
        font-size: 1.25rem;
    }

    .section-title span {
        font-size: 1.25rem;
    }

    .container {
        padding: 0 var(--spacing-xs);
        max-width: 100vw;
    }

    /* Instagram-style Hero for very small screens */
    .hero {
        padding: var(--spacing-sm) 0;
        padding-top: var(--spacing-sm);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        position: static;
        z-index: 10;
        background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
        box-shadow: none;
    }

    .hero-container {
        flex-direction: column;
        align-items: center;
    }

    .hero-profile-img {
        width: 150px;
        height: 150px;
        margin-bottom: 0;
    }

    .hero-title {
        margin-bottom: 2px;
    }

    .hero-subtitle {
        font-size: 0.75rem;
        margin-bottom: 2px;
    }

    .hero-bio {
        font-size: 0.65rem;
        line-height: 1.3;
        margin-bottom: var(--spacing-xs);
        padding: 0px 50px 0px 50px;

    }

    /* Keep grid layout for certifications */
    .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1px;
        width: 100%;
        margin: 0;
    }

    .certification-card {
        max-width: 100%;
        width: 100%;
        padding: var(--spacing-sm);
        overflow: hidden;
    }

    .cert-badge-container {
        width: 50px;
        height: 50px;
        /* margin-bottom: var(--spacing-xs); */
    }

    .cert-name {
        font-size: 0.65rem;
        line-height: 1.15;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* Keep grid layout for skills */
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1px;
        width: 100%;
        margin: 0;
        margin-bottom: 0;
    }

    .skill-card,
    .skill-card.skill-hidden,
    .skill-card.skill-hidden.skill-visible,
    .skill-card.skill-hidden.skill-revealed,
    .skill-card.skill-hidden.skill-collapsing {
        min-width: 0;
        width: 100%;
        flex: none;
        padding: 6px;
        overflow: hidden;
        aspect-ratio: 1;
        border-radius: 0;
        border: none;
        background: rgba(255, 255, 255, 0.05);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        opacity: 1;
        transform: none;
        animation: none;
        text-align: center;
    }

    .skill-icon {
        font-size: 1.75rem;
        margin-bottom: 0;
    }

    .skill-name {
        font-size: 0.55rem;
        text-align: center;
    }

    .skill-rating {
        font-size: 0.45rem;
        gap: 0.1rem;
        margin-top: 0;
    }

    .skills-toggle-container {
        display: none;
    }

    .social-link {
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }

    .email-link {
        font-size: 1.25rem;
    }

    .project-content {
        padding: var(--spacing-lg);
    }    

    .tech-tags {
        margin-bottom: 0;
    }
    
}