/* ==========================================================================
   DESIGN SYSTEM & CUSTOM PROPERTIES
   ========================================================================== */
:root {
    /* Fonts */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Plus Jakarta Sans', sans-serif;

    /* Light Theme Palette (Default) */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-tint: #eff6ff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.08);
    --card-gradient: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --indicator-online: #10b981;
    --error-color: #ef4444;
    --success-color: #10b981;
    
    /* System Globals */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Palette overrides */
body.dark-mode {
    --bg-primary: #0b0f19;
    --bg-secondary: #131a2b;
    --bg-tertiary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-tint: rgba(59, 130, 246, 0.1);
    --border-color: #1e293b;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
    --card-gradient: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    --error-color: #f87171;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Keeps nav offset clean */
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

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

button, input, textarea {
    font-family: inherit;
    color: inherit;
}

ul {
    list-style: none;
}

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

hr.card-divider {
    border: 0;
    height: 1px;
    background-color: var(--border-color);
    margin: 20px 0;
}

/* ==========================================================================
   LAYOUT STRUCTURE
   ========================================================================== */
.portfolio-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 24px 60px 24px; /* Account for fixed top nav */
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 30px;
    align-items: start;
}

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-container {
        padding-top: 90px;
    }
}

/* ==========================================================================
   COMPONENTS: CARDS
   ========================================================================== */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), 
                border-color var(--transition-normal), 
                box-shadow var(--transition-normal), 
                transform var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background-color: rgba(var(--bg-secondary) == #ffffff ? 255 : 19, var(--bg-secondary) == #ffffff ? 255 : 26, var(--bg-secondary) == #ffffff ? 255 : 43, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

/* Special background variable dynamic trick in CSS */
.light-mode .navbar {
    background-color: rgba(255, 255, 255, 0.85);
}
.dark-mode .navbar {
    background-color: rgba(19, 26, 43, 0.85);
}

.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    font-family: var(--font-heading);
    color: var(--text-primary);
}

.logo-badge {
    background-color: var(--accent-color);
    color: #ffffff;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    gap: 28px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
}

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

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

.nav-link.active {
    color: var(--accent-color);
    font-weight: 600;
}

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

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

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background-color: var(--accent-tint);
}

/* Toggle Sun/Moon icons depending on active mode */
.light-mode .sun-icon { display: none; }
.light-mode .moon-icon { display: block; }
.dark-mode .sun-icon { display: block; }
.dark-mode .moon-icon { display: none; }

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Nav Toggle Active */
.mobile-nav-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.mobile-nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.mobile-nav-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--bg-secondary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 36px;
        padding-bottom: 80px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition-slow), opacity var(--transition-slow);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
}

/* ==========================================================================
   SIDEBAR: PROFILE CARD & SUB-CARDS
   ========================================================================== */
.sidebar-column {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 1025px) {
    .sidebar-column {
        position: sticky;
        top: 100px;
    }
}

.profile-card {
    position: relative;
    text-align: center;
}

.profile-banner {
    height: 110px;
    background: var(--card-gradient);
    border-bottom: 1px solid var(--border-color);
}

.profile-content {
    padding: 0 24px 30px 24px;
}

.profile-photo-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: -60px auto 16px auto;
}

.profile-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-secondary);
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-tertiary);
    transition: transform var(--transition-normal);
}

.profile-photo:hover {
    transform: scale(1.05);
}

.status-indicator {
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 16px;
    height: 16px;
    background-color: var(--indicator-online);
    border: 3px solid var(--bg-secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.profile-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.45rem;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.profile-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.profile-location {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.profile-location svg {
    color: var(--text-muted);
}

/* Badges */
.info-badges {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-citizen {
    background-color: var(--accent-tint);
    color: var(--accent-color);
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.badge-dob {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* Contact List */
.contact-list {
    text-align: left;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

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

.contact-icon {
    width: 36px;
    height: 36px;
    background-color: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.contact-item:hover .contact-icon {
    background-color: var(--accent-color);
    color: #ffffff;
}

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

.contact-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.contact-val {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
}

.sidebar-action {
    margin-top: 10px;
}

/* Button Component */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

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

/* Sub-card: Languages & Personal Profile */
.sidebar-subcard {
    padding: 24px;
}

.sidebar-section-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: 0.2px;
}

.languages-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.language-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lang-name {
    font-size: 0.88rem;
    font-weight: 500;
}

.lang-pill {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    background-color: var(--accent-tint);
    color: var(--accent-color);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.personal-attributes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.attribute-badge {
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.attribute-badge:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* ==========================================================================
   MAIN CONTENT LAYER
   ========================================================================== */
.main-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.main-card {
    padding: 32px;
}

@media (max-width: 768px) {
    .main-card {
        padding: 20px;
    }
}

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

.section-icon-container {
    width: 42px;
    height: 42px;
    background-color: var(--accent-tint);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    color: var(--text-primary);
}

/* About Summary */
.summary-paragraph {
    font-size: 0.96rem;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.summary-paragraph strong {
    color: var(--text-primary);
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 28px;
}

.stat-box {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-box:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 4px;
}

.stat-text {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

@media (max-width: 580px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   WORK EXPERIENCE: VERTICAL TIMELINE
   ========================================================================== */
.timeline {
    position: relative;
    padding-left: 28px;
    margin-top: 10px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 7px;
    width: 2px;
    height: calc(100% - 16px);
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 36px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -28px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 3px solid var(--accent-color);
    z-index: 1;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.25);
    background-color: var(--accent-color);
}

.timeline-content-wrapper {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.timeline-item:hover .timeline-content-wrapper {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 16px;
    margin-bottom: 12px;
}

@media (max-width: 640px) {
    .timeline-header {
        flex-direction: column;
        gap: 6px;
    }
}

.job-role {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.job-company {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent-color);
    margin-top: 2px;
}

.job-duration {
    font-size: 0.8rem;
    font-weight: 600;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.company-desc {
    font-size: 0.88rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.job-bullet-points {
    margin-left: 18px;
    list-style-type: disc;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.job-bullet-points li::marker {
    color: var(--accent-color);
}

/* ==========================================================================
   CORE COMPETENCIES: SKILLS FILTER
   ========================================================================== */
.skills-filter-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.skills-search-input {
    width: 100%;
    padding: 12px 16px 12px 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.skills-search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--bg-secondary);
    box-shadow: 0 0 0 3px var(--accent-tint);
}

.skills-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tab-btn {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

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

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

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    transition: opacity var(--transition-normal);
}

@media (max-width: 580px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

.skill-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.skill-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-secondary);
}

.skill-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.skill-icon {
    font-size: 1.1rem;
}

.skill-name {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.skill-card.hidden {
    display: none;
}

/* =style active transition for filters */
.skills-grid.filtering {
    opacity: 0.5;
}

/* ==========================================================================
   EDUCATION & DEV
   ========================================================================== */
.education-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 680px) {
    .education-grid {
        grid-template-columns: 1fr;
    }
}

.ed-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    display: flex;
    gap: 16px;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.ed-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.ed-badge {
    background-color: var(--accent-color);
    color: #ffffff;
    height: fit-content;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
    line-height: 1;
}

.ed-details {
    display: flex;
    flex-direction: column;
}

.ed-degree {
    font-family: var(--font-heading);
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.ed-institution {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 2px;
}

.ed-year {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.ed-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Professional Dev Subsections */
.subsection-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.section-paragraph {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.certifications-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (max-width: 580px) {
    .certifications-row {
        grid-template-columns: 1fr;
    }
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
}

.cert-icon {
    color: var(--accent-color);
    display: flex;
    align-items: center;
}

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

.cert-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cert-status {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ==========================================================================
   ACHIEVEMENTS & INTERESTS
   ========================================================================== */
.achievement-box {
    display: flex;
    gap: 16px;
    background-color: var(--accent-tint);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-sm);
    padding: 20px;
    transition: transform var(--transition-fast);
}

.achievement-box:hover {
    transform: translateY(-2px);
}

.achievement-icon {
    font-size: 2rem;
    line-height: 1;
}

.achievement-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.achievement-issuer {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 6px;
}

.achievement-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Interests tags */
.interests-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.interest-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.interest-tag:hover {
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.interest-emoji {
    font-size: 1.05rem;
}

.interest-label {
    color: var(--text-secondary);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 10px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

@media (max-width: 580px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group .required {
    color: var(--error-color);
}

.form-group input, 
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--bg-secondary);
    box-shadow: 0 0 0 3px var(--accent-tint);
}

.form-group textarea {
    resize: vertical;
}

/* Error Messages */
.form-group .error-message {
    font-size: 0.75rem;
    color: var(--error-color);
    display: none;
    margin-top: 2px;
}

.form-group.invalid input, 
.form-group.invalid textarea {
    border-color: var(--error-color);
}

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

/* Send Arrow animation */
.send-arrow {
    transition: transform var(--transition-fast);
}

.btn-primary:hover .send-arrow {
    transform: translateX(4px);
}

/* Banner statuses */
.form-banner {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    margin-top: 10px;
    font-weight: 500;
}

.form-banner.success {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-banner.error {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.hidden {
    display: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    padding: 24px 0;
    margin-top: 60px;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    background-color: var(--bg-tertiary);
    color: var(--accent-color);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.scroll-to-top {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-secondary);
    transition: transform var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.scroll-to-top:hover {
    transform: translateY(-4px);
    background-color: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
}

/* ==========================================================================
   SCROLL REVEAL & FADE-IN ANIMATIONS
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    
    html {
        scroll-behavior: auto !important;
    }
}