/* Global Reset and Variables */
:root {
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Spacing */
    --header-height: 80px;

    /* Shadow */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.dark-theme {
    --bg-primary: #080c14;
    --bg-secondary: rgba(13, 18, 30, 0.75);
    --card-bg: rgba(22, 30, 49, 0.45);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(59, 130, 246, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --primary: #3b82f6; /* PMP Blue */
    --primary-rgb: 59, 130, 246;
    --primary-glow: rgba(59, 130, 246, 0.15);
    --secondary: #0d9488; /* MBOT Teal */
    --secondary-rgb: 13, 148, 136;
    --secondary-glow: rgba(13, 148, 136, 0.15);
    
    --glow-color-1: #1e3a8a;
    --glow-color-2: #115e59;
    
    --header-bg: rgba(8, 12, 20, 0.85);
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-border: rgba(255, 255, 255, 0.08);
    --input-focus-border: #3b82f6;
    --accent-orange: #d97706;
}

.light-theme {
    --bg-primary: #f8fafc;
    --bg-secondary: rgba(241, 245, 249, 0.8);
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(15, 23, 42, 0.06);
    --card-hover-border: rgba(37, 99, 235, 0.35);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary: #2563eb;
    --primary-rgb: 37, 99, 235;
    --primary-glow: rgba(37, 99, 235, 0.08);
    --secondary: #0f766e;
    --secondary-rgb: 15, 118, 110;
    --secondary-glow: rgba(15, 118, 110, 0.08);
    
    --glow-color-1: #bfdbfe;
    --glow-color-2: #99f6e4;
    
    --header-bg: rgba(248, 250, 252, 0.85);
    --input-bg: #ffffff;
    --input-border: rgba(15, 23, 42, 0.1);
    --input-focus-border: #2563eb;
    --accent-orange: #b45309;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    width: 0%;
    z-index: 1000;
    transition: width 0.1s ease;
}

/* Typography & Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 8rem 0;
}

.section-divider {
    position: relative;
}
.section-divider::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    width: 80%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--card-border), transparent);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    margin: 0 auto;
    border-radius: 2px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Button Component */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.4);
}

.btn-secondary {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--card-border);
}
.btn-secondary:hover {
    background-color: rgba(var(--primary-rgb), 0.1);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Header & Nav Menu */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    z-index: 100;
    transition: all var(--transition-normal);
}

.header.scrolled {
    height: 70px;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: -2px;
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    transition: width var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Theme Toggle Button styling */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.light-theme .theme-toggle .sun-icon {
    display: none;
}

.dark-theme .theme-toggle .moon-icon {
    display: none;
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1000;
}

.mobile-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* Hero Section Styling */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-height) + 3rem);
}

.hero-bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    top: 10%;
    right: -10%;
    background: radial-gradient(circle, var(--glow-color-1) 0%, transparent 70%);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge-accent {
    padding: 0.4rem 1.2rem;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border-radius: 50px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(var(--primary-rgb), 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 620px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 3rem;
    border-top: 1px solid var(--card-border);
    padding-top: 1.5rem;
    width: 100%;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.meta-item svg {
    color: var(--primary);
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.hero-image-container {
    display: flex;
    justify-content: center;
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 30px;
    padding: 10px;
    background: linear-gradient(135deg, var(--card-border), transparent);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.profile-img {
    border-radius: 20px;
    width: 100%;
    max-width: 380px;
    object-fit: cover;
    filter: grayscale(10%) contrast(105%);
}

.circle-decoration {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    z-index: -1;
}

.circle-decoration.glow-1 {
    width: 250px;
    height: 250px;
    top: -20px;
    left: -20px;
    background-color: var(--glow-color-1);
    opacity: 0.25;
}

.circle-decoration.glow-2 {
    width: 200px;
    height: 200px;
    bottom: -30px;
    right: -30px;
    background-color: var(--glow-color-2);
    opacity: 0.25;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.about-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    transition: all var(--transition-normal);
}

.about-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-card.highlight {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.05), rgba(var(--secondary-rgb), 0.05));
    border-color: rgba(var(--primary-rgb), 0.2);
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary);
    margin-bottom: 2rem;
}

.about-card.highlight .card-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff;
}

.about-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Certifications Section */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.cert-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all var(--transition-normal);
}

.cert-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-5px);
}

.cert-icon-wrapper {
    width: 100px;
    height: 100px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
}

.cert-svg {
    width: 100%;
    height: 100%;
}

.cert-details {
    width: 100%;
}

.cert-tag {
    display: inline-block;
    padding: 0.2rem 1rem;
    background-color: rgba(var(--secondary-rgb), 0.1);
    color: var(--secondary);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 30px;
    margin-bottom: 1rem;
}

.cert-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.cert-issuer {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.cert-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Professional Experience Timeline Section */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 3.5rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.timeline-dot {
    position: absolute;
    left: calc(-3rem - 1px);
    top: 10px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 4px solid var(--primary);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.3);
    transition: all var(--transition-normal);
    z-index: 2;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.2);
    border-color: var(--secondary);
    box-shadow: 0 0 15px rgba(var(--secondary-rgb), 0.5);
}

.timeline-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-right: 2rem;
    position: relative;
}

.timeline-header::after {
    content: '+';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    transition: transform var(--transition-normal);
}

.timeline-item.active .timeline-header::after {
    content: '−';
    transform: translateY(-50%) rotate(180deg);
    color: var(--secondary);
}

.job-duration {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--secondary);
    background-color: rgba(var(--secondary-rgb), 0.1);
    padding: 0.2rem 1rem;
    border-radius: 30px;
}

.job-title {
    font-size: 1.4rem;
    font-weight: 700;
}

.job-company {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
}

.timeline-content {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

.timeline-item.active .timeline-content {
    max-height: 2500px;
    opacity: 1;
    padding: 2.5rem;
    transform: translateY(0);
    border-color: rgba(var(--primary-rgb), 0.15);
    box-shadow: var(--shadow-md);
}

.timeline-content ul {
    margin-bottom: 1.5rem;
}

.timeline-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
}

.timeline-content li::before {
    content: '•';
    position: absolute;
    left: 0.3rem;
    top: 0;
    color: var(--primary);
    font-size: 1.2rem;
}

.experience-subsection {
    margin-top: 2rem;
    border-top: 1px solid var(--card-border);
    padding-top: 1.5rem;
}

.experience-subsection h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}

.job-project {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.job-project h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.job-project p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tags-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.project-tag {
    padding: 0.4rem 1rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Projects Showcase Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.project-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}

.project-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-banner {
    height: 140px;
    padding: 1.5rem;
    display: flex;
    align-items: flex-end;
    position: relative;
}

.pmp-blue-grad {
    background: linear-gradient(135deg, var(--glow-color-1), #1d4ed8);
}

.mbot-teal-grad {
    background: linear-gradient(135deg, var(--glow-color-2), #0f766e);
}

.orange-amber-grad {
    background: linear-gradient(135deg, #7c2d12, var(--accent-orange));
}

.project-metrics {
    display: flex;
    flex-direction: column;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 12px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.metric-val {
    font-size: 1.2rem;
    font-weight: 800;
}

.metric-lbl {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    opacity: 0.8;
}

.project-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.proj-badge {
    align-self: flex-start;
    padding: 0.2rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    background-color: rgba(var(--primary-rgb), 0.1);
    border-radius: 30px;
    margin-bottom: 1rem;
}

.project-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.proj-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.proj-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.proj-tech span {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-muted);
}

/* Skills Section Grid layout */
.skills-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
}

.skills-col {
    display: flex;
    flex-direction: column;
}

.skills-block-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--card-border);
}

.skill-item {
    margin-bottom: 1.8rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
}

.skill-bar-wrapper {
    height: 8px;
    background-color: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--card-border);
}

.skill-bar {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 10px;
    width: 0; /* Dynamic loading via JS */
    transition: width var(--transition-slow);
}

/* Language and character subsections styling */
.language-section {
    margin-bottom: 3rem;
}

.language-section h4,
.character-section h4,
.extramural-section h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.lang-grid {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.lang-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lang-name {
    font-weight: 600;
}

.stars {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.star {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.1);
}

.star.active {
    color: #eab308;
}

.lang-level {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-left: 1rem;
}

.traits-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
}

.trait-icon {
    color: var(--secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.extramural-section {
    margin-top: 3rem;
}

/* Contact Details & Form Section styling */
.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
}

.contact-info-panel h3,
.contact-form-panel h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.contact-lead-text {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-card-item {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background-color: rgba(var(--primary-rgb), 0.08);
    color: var(--primary);
    flex-shrink: 0;
}

.info-card-item h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.2rem;
}

.info-card-item a,
.info-card-item p {
    font-size: 1.05rem;
    font-weight: 600;
}

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

.meta-details-box {
    border-top: 1px solid var(--card-border);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.contact-form-panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 30px;
    padding: 3.5rem;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
}

.form-group {
    margin-bottom: 1.8rem;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.15);
}

.error-msg {
    position: absolute;
    bottom: -1.3rem;
    left: 0;
    font-size: 0.75rem;
    color: #ef4444;
    display: none;
}

.form-group.invalid input,
.form-group.invalid textarea {
    border-color: #ef4444;
}

.form-group.invalid .error-msg {
    display: block;
}

.form-success-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-secondary);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem;
    z-index: 5;
    animation: fadeIn 0.4s ease forwards;
}

.form-success-box h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 1.5rem 0 0.5rem;
}

.form-success-box p {
    color: var(--text-secondary);
    max-width: 320px;
}

/* Footer Styling */
.footer {
    padding: 4rem 0;
    border-top: 1px solid var(--card-border);
    background-color: var(--bg-primary);
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-design {
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

/* Animations & Fade reveals */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Mobile & Tablet Responsiveness styling */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .about-grid,
    .certs-grid,
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .skills-layout,
    .contact-layout {
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-primary);
        padding: 3rem 2rem;
        border-top: 1px solid var(--card-border);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: 999;
    }
    
    .nav-menu.open {
        transform: translateX(0);
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav-link {
        font-size: 1.3rem;
        display: block;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-meta {
        justify-content: center;
    }
    
    .hero-image-container {
        order: -1;
    }
    
    .profile-img {
        max-width: 280px;
    }
    
    .about-grid,
    .certs-grid,
    .projects-grid,
    .skills-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .timeline {
        padding-left: 2rem;
    }
    
    .timeline-header::after {
        display: none; /* remove +/- signs, layout is simpler on mobile */
    }
    
    .timeline-item.active .timeline-content {
        padding: 1.5rem;
    }
    
    .contact-form-panel {
        padding: 2.5rem;
    }
}