/* ===================================================================
   Executive Professional Portfolio Theme for Karthick T
   M.Sc. Data Science Scholar (SASTRA) & Founder of FYNFO
   Dual-Theme System (Light & Dark) + Full Mobile Responsiveness
   Clean, Authoritative, Non-AI-Generated Editorial Design
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ============================================================== 
   # Design System & Theming Tokens
============================================================== */
:root,
[data-theme="light"] {
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Light Theme Surfaces */
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-subtle: #f1f5f9;
    --bg-alt: #f4f6fa;
    --bg-card: #ffffff;
    --bg-card-hover: #ffffff;
    --bg-input: #ffffff;
    
    /* Executive Royal Navy Palette */
    --primary: #1e40af;           /* Deep Oxford Navy */
    --primary-hover: #1d4ed8;     /* Royal Cobalt */
    --primary-soft: #eff6ff;      /* Navy Soft Tint */
    --primary-border: #bfdbfe;    /* Hairline Tint */
    
    --text-heading: #0f172a;      /* Deep Slate */
    --text-body: #334155;         /* Crisp Charcoal */
    --text-muted: #64748b;        /* Muted Slate */
    --text-light: #94a3b8;
    
    --border-default: #e2e8f0;    /* Clean border */
    --border-hover: #cbd5e1;      /* Interactive hover border */
    --border-card: #e2e8f0;
    --border-focus: #3b82f6;
    
    --accent-emerald: #059669;
    --accent-emerald-soft: #ecfdf5;
    --accent-emerald-border: #a7f3d0;
    
    --nav-bg: rgba(255, 255, 255, 0.96);
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
    --shadow-card: 0 1px 3px 0 rgba(15, 23, 42, 0.05), 0 1px 2px -1px rgba(15, 23, 42, 0.03);
    --shadow-card-hover: 0 10px 20px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-dropdown: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    
    --theme-btn-bg: #f1f5f9;
    --theme-btn-border: #e2e8f0;
    --theme-btn-color: #0f172a;
    --primary-glow: rgba(30, 64, 175, 0.25);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-full: 9999px;
    
    --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================== 
   # Dark Theme Tokens (Deep Obsidian Slate & Royal Cyber Violet)
   Zero Blue Tint — Pure Neutral Dark Surfaces with Purple Accents
============================================================== */
[data-theme="dark"] {
    /* Pure Neutral Obsidian & Carbon Surfaces (Zero Blue Tint) */
    --bg-page: #09090b;           /* Pure Deep Obsidian Black */
    --bg-surface: #121215;        /* Luxury Matte Charcoal Surface */
    --bg-subtle: #19191e;         /* Elevated Graphite Element */
    --bg-alt: #0d0d10;
    --bg-card: #121215;
    --bg-card-hover: #1c1c22;
    --bg-input: #101014;
    
    /* Royal Cyber Violet Accent (Extracted from Logo Foot & Data Pixels) */
    --primary: #8b5cf6;           /* Electric Royal Violet */
    --primary-hover: #a78bfa;     /* Luminous Lavender Violet */
    --primary-soft: rgba(139, 92, 246, 0.12);
    --primary-border: rgba(139, 92, 246, 0.32);
    --primary-glow: rgba(139, 92, 246, 0.45);
    
    --text-heading: #f8fafc;      /* Crisp Pure White */
    --text-body: #d4d4d8;         /* Neutral Zinc Slate */
    --text-muted: #a1a1aa;        /* Muted Zinc */
    --text-light: #71717a;
    
    --border-default: #27272a;    /* Clean Neutral Zinc Border */
    --border-hover: #3f3f46;
    --border-card: #27272a;
    --border-focus: #8b5cf6;
    
    --accent-emerald: #10b981;
    --accent-emerald-soft: rgba(16, 185, 129, 0.12);
    --accent-emerald-border: rgba(16, 185, 129, 0.28);
    
    --nav-bg: rgba(9, 9, 11, 0.94);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.6);
    --shadow-card: 0 4px 12px 0 rgba(0, 0, 0, 0.45);
    --shadow-card-hover: 0 14px 28px -4px rgba(0, 0, 0, 0.65), 0 0 20px -4px rgba(139, 92, 246, 0.2);
    --shadow-dropdown: 0 20px 30px -5px rgba(0, 0, 0, 0.7);
    
    --theme-btn-bg: #19191e;
    --theme-btn-border: #27272a;
    --theme-btn-color: #f8fafc;
}

/* ============================================================== 
   # Global Reset & Base
============================================================== */
html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden !important;
    overflow-x: clip !important;
    max-width: 100vw !important;
    width: 100% !important;
}

body,
body.professional-theme,
body.dark-layout {
    font-family: var(--font-main) !important;
    background-color: var(--bg-page) !important;
    background-image: none !important;
    color: var(--text-body) !important;
    line-height: 1.7;
    margin: 0;
    padding: 0;
    overflow-x: hidden !important;
    overflow-x: clip !important;
    max-width: 100vw !important;
    width: 100% !important;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.25s ease, color 0.25s ease;
}

/* Ensure global horizontal containment */
*, *::before, *::after {
    box-sizing: border-box;
}

header, main, footer, section, .site-header {
    max-width: 100vw !important;
    overflow-x: clip !important;
}

/* Disable distracting legacy preloaders */
#preloader,
.ambrox-preloader {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    height: 0 !important;
    width: 0 !important;
    pointer-events: none !important;
}

/* Hide legacy theme doodle shapes and squiggles */
.shape-animated-right,
.shape-animated-left,
.shape-right-top-mini,
.shape-right-top-extra,
.shape-illustration,
.shape-center,
.heading-shape,
.header-fixed {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main) !important;
    color: var(--text-heading) !important;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.25;
}

p {
    color: var(--text-body) !important;
    font-size: 1rem;
    line-height: 1.75;
}

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

a:hover {
    color: var(--primary-hover);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 7px;
}
::-webkit-scrollbar-track {
    background: var(--bg-subtle);
}
::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================================== 
   # Top Sticky Header Navigation
============================================================== */
header,
.site-header,
header.position-sticky {
    position: sticky !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    z-index: 99999 !important;
}

.professional-nav {
    position: relative;
    width: 100%;
    z-index: 99999;
    background: var(--nav-bg) !important;
    backdrop-filter: blur(14px) !important;
    -webkit-backdrop-filter: blur(14px) !important;
    border-bottom: 1px solid var(--border-default) !important;
    box-shadow: var(--shadow-sm) !important;
    padding: 12px 0 !important;
    margin: 0 !important;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.nav-brand-group {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none !important;
}

/* Brand Logo Image in Navbar & Footer */
.brand-logo-nav-img {
    height: 44px;
    width: auto;
    max-width: 210px;
    object-fit: contain;
    display: block;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

/* Light Theme active: show light logo, hide dark */
:root .brand-logo-light,
[data-theme="light"] .brand-logo-light {
    display: block !important;
}
:root .brand-logo-dark,
[data-theme="light"] .brand-logo-dark {
    display: none !important;
}

/* Dark Theme active: show dark logo, hide light */
[data-theme="dark"] .brand-logo-light {
    display: none !important;
}
[data-theme="dark"] .brand-logo-dark {
    display: block !important;
}

.brand-logo-frame {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.brand-logo-img {
    width: 44px;
    height: 44px;
    display: block;
    object-fit: contain;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.35s ease;
    will-change: transform;
}

@media (hover: hover) and (pointer: fine) {
    .nav-brand-group:hover .brand-logo-img,
    .nav-brand-group:hover .brand-logo-nav-img {
        transform: scale(1.04);
        filter: drop-shadow(0 4px 12px var(--primary-glow));
    }
}

.brand-monogram {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 6px rgba(30, 64, 175, 0.25);
}

.brand-text-wrap {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.2;
    letter-spacing: -0.02em;
    transition: color var(--transition);
}

.brand-accent {
    color: var(--primary);
}

.brand-affiliation {
    font-size: 0.74rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.02em;
    font-family: 'JetBrains Mono', monospace;
}

.nav-menu-links {
    display: flex;
    align-items: center;
    gap: 26px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-menu-links a {
    color: var(--text-body) !important;
    font-size: 0.92rem;
    font-weight: 600;
    padding: 6px 0;
    position: relative;
    transition: var(--transition);
}

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

/* Theme Toggle Button */
.theme-toggle-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--theme-btn-bg);
    border: 1px solid var(--theme-btn-border);
    color: var(--theme-btn-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

.nav-cta-btn {
    background: var(--primary) !important;
    color: #ffffff !important;
    font-size: 0.88rem !important;
    font-weight: 600 !important;
    padding: 9px 18px !important;
    border-radius: var(--radius-md) !important;
    transition: var(--transition) !important;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 1px 2px var(--primary-glow);
}

.nav-cta-btn:hover {
    background: var(--primary-hover) !important;
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--primary-glow);
}

/* Mobile Hamburger Button */
.mobile-nav-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--theme-btn-bg);
    border: 1px solid var(--theme-btn-border);
    color: var(--text-heading);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.15rem;
    transition: var(--transition);
    padding: 0;
}

.mobile-nav-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background-color: var(--bg-surface) !important;
    border-bottom: 1px solid var(--border-default) !important;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.16) !important;
    padding: 20px 24px;
    z-index: 10001 !important;
    box-sizing: border-box;
}

[data-theme="dark"] .mobile-nav-drawer {
    background-color: var(--bg-surface) !important;
    border-bottom: 1px solid var(--border-default) !important;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65) !important;
}

.mobile-nav-drawer.open {
    display: block;
    animation: slideDownMenu 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDownMenu {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-heading) !important;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    background: var(--bg-subtle);
    border: 1px solid var(--border-default);
    transition: var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: var(--primary-soft);
    border-color: var(--primary-border);
    color: var(--primary) !important;
}

.mobile-nav-link i {
    width: 20px;
    color: var(--primary);
}

/* ============================================================== 
   # Hero Section
============================================================== */
.hero-executive-section {
    padding: 70px 0 80px;
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-page) 100%);
    border-bottom: 1px solid var(--border-default);
}

@keyframes heroEntrance {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-status-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-soft);
    border: 1px solid var(--primary-border);
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 22px;
    animation: heroEntrance 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-status-tag i {
    font-size: 0.88rem;
}

.hero-title {
    font-size: 3.25rem !important;
    font-weight: 800 !important;
    color: var(--text-heading) !important;
    letter-spacing: -0.03em !important;
    line-height: 1.15 !important;
    margin-bottom: 14px !important;
    animation: heroEntrance 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.06s both;
}

.hero-subtitle {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.01em;
    margin-bottom: 20px;
    animation: heroEntrance 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.12s both;
}

.hero-bio-lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 600px;
    margin-bottom: 30px;
    animation: heroEntrance 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.18s both;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-bottom: 40px;
    animation: heroEntrance 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.24s both;
}

.hero-highlights-grid {
    animation: heroEntrance 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

.btn-hero-primary {
    background: var(--primary);
    color: #ffffff !important;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 4px var(--primary-glow);
    transition: var(--transition);
}

.btn-hero-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--primary-glow);
}

.btn-hero-secondary {
    background: var(--bg-surface);
    color: var(--text-heading) !important;
    border: 1px solid var(--border-default);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 22px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-hero-secondary:hover {
    background: var(--bg-subtle);
    border-color: var(--border-hover);
    color: var(--primary) !important;
}

.hero-social-link {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    color: var(--text-body);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.hero-social-link:hover {
    background: var(--primary-soft);
    border-color: var(--primary-border);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Quick Metrics Row */
.hero-highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-default);
}

.hero-highlight-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    box-shadow: var(--shadow-sm);
}

.highlight-label {
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin-bottom: 4px;
}

.highlight-value {
    font-size: 0.94rem;
    font-weight: 700;
    color: var(--text-heading);
    line-height: 1.3;
}

.highlight-sub {
    font-size: 0.76rem;
    color: var(--text-muted);
}

/* Hero Portrait Card */
.hero-portrait-frame {
    position: relative;
    max-width: 440px;
    margin: 0 auto;
}

.portrait-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card-hover);
    padding: 12px;
}

.portrait-img-box {
    width: 100%;
    aspect-ratio: 4 / 4.7;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-subtle);
}

.portrait-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}

.portrait-footer-info {
    padding: 16px 8px 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portrait-name-meta h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-heading);
}

.portrait-name-meta span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.portrait-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-emerald-soft);
    border: 1px solid var(--accent-emerald-border);
    color: var(--accent-emerald);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 10px;
    border-radius: var(--radius-full);
}

.portrait-status-badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-emerald);
}

/* ============================================================== 
   # Section Heading Standards
============================================================== */
.section-header-block {
    margin-bottom: 50px;
}

.section-eyebrow {
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 8px;
}

.section-main-title {
    font-size: 2.25rem !important;
    font-weight: 800 !important;
    color: var(--text-heading) !important;
    letter-spacing: -0.025em !important;
    line-height: 1.25 !important;
}

.section-subtext {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 10px auto 0;
}

/* ============================================================== 
   # About Me Section (Redesigned Without Duplicate Photo)
============================================================== */
.about-executive-section {
    padding: 90px 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
}

/* Scholar Identity Profile Card (Left Column) */
.about-profile-card {
    background: var(--bg-page);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: 30px;
    box-shadow: var(--shadow-card);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.profile-card-header {
    border-bottom: 1px solid var(--border-default);
    padding-bottom: 20px;
    margin-bottom: 22px;
}

.profile-badge-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 6px;
}

.profile-badge-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.profile-live-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-emerald-soft);
    border: 1px solid var(--accent-emerald-border);
    color: var(--accent-emerald);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: var(--radius-full);
}

.profile-specs-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 26px;
    flex-grow: 1;
}

.profile-spec-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.profile-spec-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    flex-shrink: 0;
}

.profile-spec-info {
    display: flex;
    flex-direction: column;
}

.spec-title {
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

.spec-detail {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-heading);
}

.profile-card-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-top: 1px solid var(--border-default);
    padding-top: 20px;
}

/* About Narrative (Right Column) */
.about-narrative p {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-body);
    margin-bottom: 20px;
}

.about-narrative strong {
    color: var(--text-heading);
    font-weight: 700;
}

.affiliations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 28px;
}

.affiliation-card {
    background: var(--bg-page);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
}

.affiliation-card:hover {
    background: var(--bg-surface);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.affiliation-logo-box {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: #ffffff;
    border: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 6px;
}

.affiliation-logo-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.affiliation-details h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 0 0 4px;
}

.affiliation-role {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    display: block;
    margin-bottom: 6px;
}

.affiliation-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

/* ============================================================== 
   # Core Competencies / Expertise Section
============================================================== */
.expertise-executive-section {
    padding: 90px 0;
    background: var(--bg-page);
    border-bottom: 1px solid var(--border-default);
}

.expertise-executive-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.expertise-card-clean {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.expertise-card-clean:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}

.expertise-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.expertise-icon-box {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.expertise-icon-box img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.expertise-card-clean h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 0;
}

.expertise-card-clean p {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.expertise-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.expertise-clean-tag {
    background: var(--bg-subtle);
    border: 1px solid var(--border-default);
    color: var(--text-body);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

/* ============================================================== 
   # Projects Section
============================================================== */
.projects-executive-section {
    padding: 90px 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
}

/* Projects Filter Bar */
.projects-filter-bar {
    margin-bottom: 34px;
}

.project-filter-btn {
    background: var(--bg-card);
    color: var(--text-muted);
    border: 1px solid var(--border-default);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.project-filter-btn:hover {
    color: var(--primary);
    border-color: var(--primary-border);
    background: var(--primary-soft);
}

.project-filter-btn.active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 14px rgba(30, 64, 175, 0.28);
}

@keyframes fadeInCard {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.projects-clean-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-clean-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-clean-card:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}

.project-clean-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: var(--bg-subtle);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-default);
}

.project-clean-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-clean-card:hover .project-clean-thumb img {
    transform: scale(1.04);
}

.project-clean-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-meta-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.project-category-tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
}

.project-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: var(--radius-full);
}

.project-status-pill.ongoing {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

[data-theme="dark"] .project-status-pill.ongoing {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.35);
}

.project-status-pill.completed {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

[data-theme="dark"] .project-status-pill.completed {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.35);
}

.project-clean-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 10px;
    line-height: 1.35;
}

.project-clean-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 18px;
    flex-grow: 1;
}

.project-action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-default);
}

.project-clean-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    transition: var(--transition);
    text-decoration: none !important;
}

.project-clean-action:hover {
    color: var(--primary-hover);
    transform: translateX(3px);
}

.project-btn-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.84rem;
    font-weight: 700;
    color: #ffffff !important;
    background: var(--primary);
    border: 1px solid var(--primary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    transition: var(--transition);
}

.project-btn-live:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.project-btn-case-study {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-heading) !important;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none !important;
}

.project-btn-case-study:hover {
    background: var(--primary-soft);
    color: var(--primary) !important;
    border-color: var(--primary-border);
}

.project-btn-ongoing {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.84rem;
    font-weight: 700;
    color: #92400e !important;
    background: #fef3c7;
    border: 1px solid #fde68a;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.project-btn-ongoing:hover {
    background: #fde68a;
    border-color: #f59e0b;
}

[data-theme="dark"] .project-btn-ongoing {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24 !important;
    border-color: rgba(245, 158, 11, 0.35);
}

.modal-badge-ongoing {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
}

[data-theme="dark"] .modal-badge-ongoing {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.35);
}

/* ============================================================== 
   # Project Modals
============================================================== */
.modal-content {
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-dropdown) !important;
    color: var(--text-body) !important;
}

.modal-header {
    border-bottom: 1px solid var(--border-default) !important;
    padding: 20px 24px !important;
}

.modal-body {
    padding: 28px !important;
}

.project-details-items .project-thumb {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-default);
    margin-bottom: 24px;
    max-height: 380px;
}

.project-details-items .project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info .content ul.project-basic-info li {
    font-size: 0.9rem;
    color: var(--text-heading) !important;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-default);
}

.project-info .content ul.project-basic-info li span {
    color: var(--primary) !important;
    font-weight: 600;
    float: right;
}

.project-details-items h2 {
    font-size: 1.5rem !important;
    color: var(--text-heading) !important;
    margin: 20px 0 12px !important;
}

.project-details-items p {
    color: var(--text-body) !important;
    font-size: 0.96rem !important;
    line-height: 1.8 !important;
}

/* ============================================================== 
   # Resume / Journey Section
============================================================== */
.resume-executive-section {
    padding: 90px 0;
    background: var(--bg-page);
    border-bottom: 1px solid var(--border-default);
}

.resume-tabs-clean {
    border-bottom: 1px solid var(--border-default) !important;
    margin-bottom: 35px;
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.resume-tabs-clean .nav-link {
    background: none !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    color: var(--text-muted) !important;
    font-weight: 700 !important;
    font-size: 0.95rem !important;
    padding: 12px 20px !important;
    border-radius: 0 !important;
    transition: var(--transition) !important;
}

.resume-tabs-clean .nav-link:hover {
    color: var(--text-heading) !important;
}

.resume-tabs-clean .nav-link.active {
    color: var(--primary) !important;
    border-bottom-color: var(--primary) !important;
}

/* Timeline Cards */
.timeline-card-clean {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.timeline-card-clean:hover {
    border-color: var(--primary-border);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.timeline-period-badge {
    display: inline-block;
    background: var(--primary-soft);
    border: 1px solid var(--primary-border);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    margin-bottom: 8px;
}

.timeline-card-clean h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 0 0 4px;
}

.timeline-org {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 10px;
    display: block;
}

.timeline-card-clean p {
    font-size: 0.92rem;
    color: var(--text-body);
    line-height: 1.65;
    margin: 0;
}

/* Biography Table Clean */
.biography-clean-table {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.biography-row {
    display: flex;
    align-items: center;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border-default);
}

.biography-row:last-child {
    border-bottom: none;
}

.bio-key {
    width: 220px;
    font-weight: 700;
    color: var(--text-heading);
    font-size: 0.92rem;
    flex-shrink: 0;
}

.bio-val {
    color: var(--text-body);
    font-size: 0.92rem;
}

/* Skills Categories */
.skills-clean-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.skill-category-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.skill-category-box h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-pills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-pill {
    background: var(--bg-subtle);
    border: 1px solid var(--border-default);
    color: var(--text-heading);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}

/* ============================================================== 
   # Professional Certifications
============================================================== */
.cert-executive-section {
    padding: 90px 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
}

.cert-clean-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.cert-card-clean {
    background: var(--bg-page);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.cert-card-clean:hover {
    background: var(--bg-surface);
    border-color: var(--primary-border);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.cert-badge-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.cert-issuer {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary);
    letter-spacing: 0.04em;
}

.cert-number-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
}

.cert-card-clean h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.cert-card-clean p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    flex-grow: 1;
}

.cert-verify-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
}

.cert-verify-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ============================================================== 
   # Contact Section with Google Sheets Integration
============================================================== */
.contact-executive-section {
    padding: 90px 0;
    background: var(--bg-page);
}

.contact-card-white {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-card);
}

.contact-card-white h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 8px;
}

.contact-lead-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 28px;
}

.contact-field-group {
    margin-bottom: 20px;
}

.contact-field-group label {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 6px;
}

.contact-input-clean {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-heading);
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: var(--transition);
}

.contact-input-clean:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.btn-contact-clean-submit {
    background: var(--primary);
    color: #ffffff !important;
    border: none;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 4px var(--primary-glow);
    transition: var(--transition);
}

.btn-contact-clean-submit:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--primary-glow);
}

.btn-contact-clean-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

/* Feedback Boxes */
.clean-feedback-box {
    margin-top: 18px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    display: none;
    align-items: flex-start;
    gap: 12px;
}

.clean-feedback-box.success {
    background: var(--accent-emerald-soft);
    border: 1px solid var(--accent-emerald-border);
    color: var(--accent-emerald);
}

.clean-feedback-box.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
}

/* Direct Channels Card */
.channels-card-white {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-card);
    height: 100%;
}

.channels-card-white h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 24px;
}

.channel-item-clean {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 22px;
}

.channel-icon-box {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.channel-info-box span {
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    display: block;
    margin-bottom: 3px;
}

.channel-info-box a,
.channel-info-box p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-heading) !important;
    margin: 0;
}

.channel-info-box a:hover {
    color: var(--primary) !important;
}

/* ============================================================== 
   # Footer
============================================================== */
.executive-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-default);
    padding: 36px 0;
    text-align: center;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.footer-inner-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copy-text {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0;
}

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

.footer-social-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--bg-page);
    border: 1px solid var(--border-default);
    color: var(--text-body);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff !important;
    transform: translateY(-2px);
}

/* ============================================================== 
   # Floating WhatsApp Quick Contact
============================================================== */
.floating-wa-clean {
    position: fixed;
    width: 50px;
    height: 50px;
    bottom: 28px;
    right: 28px;
    background-color: #25d366;
    color: #ffffff !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.floating-wa-clean:hover {
    background-color: #1ebc59;
    transform: scale(1.08);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
}

/* ============================================================== 
   # Responsive Media Queries (Mobile & Tablet)
============================================================== */
@media (max-width: 991px) {
    /* Prevent horizontal displacement/wobble on mobile from off-screen transforms */
    .reveal-on-scroll.reveal-left,
    .reveal-on-scroll.reveal-right {
        transform: translateY(20px) !important;
    }
    
    .hero-executive-section {
        padding: 50px 0 60px;
    }
    .hero-title {
        font-size: 2.5rem !important;
    }
    .hero-highlights-grid {
        grid-template-columns: 1fr;
    }
    .affiliations-grid {
        grid-template-columns: 1fr;
    }
    .expertise-executive-grid {
        grid-template-columns: 1fr;
    }
    .projects-clean-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .skills-clean-grid {
        grid-template-columns: 1fr;
    }
    .cert-clean-grid {
        grid-template-columns: 1fr;
    }
    .footer-inner-wrap {
        flex-direction: column;
        text-align: center;
    }
    .nav-menu-links {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .projects-clean-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 2.15rem !important;
    }
    .hero-subtitle {
        font-size: 1.15rem !important;
    }
    .section-main-title {
        font-size: 1.85rem !important;
    }
    .hero-cta-group {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-cta-group .btn-hero-primary,
    .hero-cta-group .btn-hero-secondary {
        justify-content: center;
        width: 100%;
    }
    .hero-social-row-mobile {
        display: flex;
        justify-content: center;
        gap: 12px;
        width: 100%;
        margin-top: 6px;
    }
}

@media (max-width: 576px) {
    .hero-executive-section {
        padding: 40px 0 50px;
    }
    .hero-title {
        font-size: 1.95rem !important;
    }
    .hero-status-tag {
        font-size: 0.74rem;
        padding: 5px 10px;
    }
    .contact-card-white,
    .channels-card-white,
    .about-profile-card,
    .expertise-card-clean {
        padding: 22px;
    }
    .biography-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 12px 16px;
    }
    .brand-logo-nav-img {
        height: 35px !important;
        max-width: 155px !important;
    }
    .container {
        padding-left: 16px !important;
        padding-right: 16px !important;
        max-width: 100% !important;
    }
    .row {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    .row > [class*="col-"] {
        padding-left: 6px !important;
        padding-right: 6px !important;
    }
    .bio-key {
        width: 100%;
        font-size: 0.85rem;
    }
    .bio-val {
        font-size: 0.88rem;
    }
    .resume-tabs-clean .nav-link {
        font-size: 0.85rem !important;
        padding: 8px 12px !important;
    }
    .floating-wa-clean {
        width: 46px;
        height: 46px;
        font-size: 22px;
        bottom: 20px;
        right: 20px;
    }
}

/* ============================================================== 
   # Scroll Progress Indicator & Sticky Nav Dynamics
============================================================== */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--primary) 0%, #38bdf8 50%, #60a5fa 100%);
    z-index: 1050;
    transition: width 0.08s linear;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
}

.professional-nav.nav-scrolled {
    padding: 8px 0 !important;
    background: var(--nav-bg) !important;
    backdrop-filter: blur(18px) !important;
    -webkit-backdrop-filter: blur(18px) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}

/* Nav Menu Active Underline Indicator */
.nav-menu-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-menu-links a:hover::after,
.nav-menu-links a.active::after {
    width: 100%;
}

/* ============================================================== 
   # Scroll Reveal Framework (60fps GPU Accelerated)
============================================================== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.reveal-left {
    transform: translateX(-30px);
}

.reveal-on-scroll.reveal-right {
    transform: translateX(30px);
}

.reveal-on-scroll.reveal-zoom {
    transform: scale(0.92);
}

.reveal-on-scroll.is-revealed {
    opacity: 1 !important;
    transform: translate(0, 0) scale(1) !important;
}

/* Stagger Delays */
.delay-100 { transition-delay: 100ms !important; }
.delay-200 { transition-delay: 200ms !important; }
.delay-300 { transition-delay: 300ms !important; }
.delay-400 { transition-delay: 400ms !important; }
.delay-500 { transition-delay: 500ms !important; }

/* ============================================================== 
   # Ambient Keyframe Animations
============================================================== */
@keyframes heroFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.hero-portrait-frame {
    animation: heroFloat 6s ease-in-out infinite;
    will-change: transform;
}

.hero-portrait-frame:hover {
    animation-play-state: paused;
}

@keyframes liveDotPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.portrait-status-badge .dot,
.about-spec-badge .dot {
    animation: liveDotPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes waPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.floating-wa-clean {
    animation: waPulse 2.5s infinite;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

/* ============================================================== 
   # Comprehensive Micro-Interactions & Hover Effects
============================================================== */
@media (hover: hover) and (pointer: fine) {
    .floating-wa-clean:hover {
        transform: scale(1.1) translateY(-2px);
    }

    .hero-highlight-item {
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
    }
    .hero-highlight-item:hover {
        transform: translateY(-4px);
        border-color: var(--primary);
        box-shadow: var(--shadow-md);
    }

    .about-profile-card {
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
    }
    .about-profile-card:hover {
        transform: translateY(-4px);
        border-color: var(--primary);
        box-shadow: var(--shadow-lg);
    }

    .affiliation-pill-card {
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
    }
    .affiliation-pill-card:hover {
        transform: translateY(-4px);
        border-color: var(--primary);
        box-shadow: var(--shadow-md);
    }
    .affiliation-pill-card:hover .affil-logo-box img {
        transform: scale(1.08);
    }
    .affil-logo-box img {
        transition: transform 0.3s ease;
    }

    .competency-card {
        transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.35s ease;
    }
    .competency-card:hover {
        transform: translateY(-6px);
        border-color: var(--primary);
        box-shadow: var(--shadow-lg);
    }
    .competency-card:hover .competency-icon-box {
        transform: scale(1.1) rotate(4deg);
    }
    .competency-icon-box {
        transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    .portfolio-card-v2 {
        transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.3s ease;
    }
    .portfolio-card-v2:hover {
        transform: translateY(-6px);
        border-color: var(--primary);
        box-shadow: var(--shadow-lg);
    }
    .portfolio-card-v2:hover .portfolio-thumb-v2 img {
        transform: scale(1.05);
    }
    .portfolio-thumb-v2 img {
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .timeline-card {
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
    }
    .timeline-card:hover {
        transform: translateY(-4px);
        border-color: var(--primary);
        box-shadow: var(--shadow-md);
    }

    .cert-credential-card {
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
    }
    .cert-credential-card:hover {
        transform: translateY(-4px);
        border-color: var(--primary);
        box-shadow: var(--shadow-md);
    }

    .btn-hero-primary {
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, background-color 0.25s ease;
    }
    .btn-hero-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
    }
    .btn-hero-primary:hover i {
        transform: translateX(3px);
    }
    .btn-hero-primary i {
        transition: transform 0.25s ease;
    }

    .btn-hero-secondary {
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
    }
    .btn-hero-secondary:hover {
        transform: translateY(-2px);
        border-color: var(--primary);
        box-shadow: var(--shadow-sm);
    }

    .hero-social-link {
        transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
    }
    .hero-social-link:hover {
        transform: translateY(-3px) scale(1.08);
        border-color: var(--primary);
        color: var(--primary);
        box-shadow: var(--shadow-sm);
    }

    .nav-cta-btn {
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, background-color 0.25s ease;
    }
    .nav-cta-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(37, 99, 235, 0.3);
    }
    .nav-cta-btn:hover i {
        transform: translateX(3px);
    }
    .nav-cta-btn i {
        transition: transform 0.25s ease;
    }

    .theme-toggle-btn {
        transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.25s ease, color 0.25s ease;
    }
    .theme-toggle-btn:hover {
        transform: rotate(20deg) scale(1.08);
        border-color: var(--primary);
        color: var(--primary);
    }

    .mobile-nav-toggle {
        transition: transform 0.25s ease, border-color 0.25s ease, color 0.25s ease;
    }
    .mobile-nav-toggle:hover {
        transform: scale(1.06);
    }

    .footer-link {
        color: var(--text-muted);
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 500;
        transition: color 0.2s ease, transform 0.2s ease;
        display: inline-block;
    }
    .footer-link:hover {
        color: var(--primary);
        transform: translateY(-2px);
    }

    .footer-social-icon {
        transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.25s ease, color 0.25s ease;
    }
    .footer-social-icon:hover {
        transform: translateY(-3px) scale(1.1);
        background: var(--primary);
        color: #ffffff !important;
    }
}

/* Tactile Active state for mobile devices */
.btn-hero-primary:active,
.btn-hero-secondary:active,
.nav-cta-btn:active,
.mobile-nav-link:active,
.theme-toggle-btn:active,
.mobile-nav-toggle:active,
.footer-social-icon:active {
    transform: scale(0.96) !important;
}

/* Accessibility: Respect Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .reveal-on-scroll {
        opacity: 1 !important;
        transform: none !important;
    }
    .hero-portrait-frame {
        animation: none !important;
    }
}