/* Custom Executive UI Layout Design Tokens - Volcanic Kinetic Dark Palette */
@import url('https://unpkg.com');

:root {
    --bg-base: #05070f;
    --bg-card: #0a0e1a;
    --bg-card-hover: #0e1426;
    --text-headline: #ffffff;
    --text-body-muted: #8292a6;
    --brand-accent: #38bdf8;
    --brand-accent-rgb: 56, 189, 248;
    --border-subtle: rgba(255, 255, 255, 0.03);
    --font-serif: 'Cinzel', serif;
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --radius-box: 0.5rem;
}

/* ==========================================================================
   MUTED DARK ARCHITECTURE CUSTOM SCROLLBAR OVERRIDES
   ========================================================================== */

::-webkit-scrollbar {
    width: 8px;               
    height: 8px;              
}

::-webkit-scrollbar-track {
    background: var(--bg-base); 
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.06); 
    border-radius: 10px;                     
    border: 2px solid var(--bg-base);       
    transition: background 0.3s var(--ease-smooth);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-accent); 
}

body.warm-accent {
    --brand-accent: #fbbf24;
    --brand-accent-rgb: 251, 191, 36;
}

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

html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

html {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.06) var(--bg-base);
}

body {
    background-color: var(--bg-base);
    color: var(--text-body-muted);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    padding-bottom: 3rem;
    transition: background-color 0.6s var(--ease-smooth), color 0.6s var(--ease-smooth);
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    width: 100%;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-wrapper {
    height: 4.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    letter-spacing: 2px;
    color: var(--text-headline);
}

.palette-switch {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--brand-accent);
    width: 2.3rem;
    height: 2.3rem;
    border-radius: var(--radius-box);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.palette-switch:hover {
    border-color: var(--brand-accent);
    background-color: rgba(var(--brand-accent-rgb), 0.04);
}
/* ==========================================================================
   EXECUTIVE PORTFOLIO MASTER DESIGN SYSTEM STYLESHEET
   File Location: asset/base.css - Chunk 2B
   ========================================================================== */

.master-container {
    margin-top: 3.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* TOP PROFILE CONTAINER (Combined Polished Specular Sweep + Underline Horizon Slide Overlay) */
.master-hero-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-box);
    padding: 2.5rem;
    width: 100%;
    position: relative;
    overflow: hidden;
    transition: border-color 0.4s var(--ease-smooth), background-color 0.4s var(--ease-smooth), box-shadow 0.4s var(--ease-smooth);
}

/* Layer A: Specular Aluminum Sweep */
.master-hero-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 45%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(var(--brand-accent-rgb), 0.02) 20%,
        rgba(255, 255, 255, 0.06) 50%,
        rgba(var(--brand-accent-rgb), 0.02) 80%,
        transparent
    );
    transform: skewX(-22deg);
    z-index: 1;
    pointer-events: none;
}

/* Layer B: Underline Horizon Slide */
.master-hero-panel::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand-accent), transparent);
    transform: scaleX(0);
    transition: transform 0.5s var(--ease-smooth);
    pointer-events: none;
    z-index: 2;
}

.master-hero-panel:hover::before {
    animation: topPanelMasterShine 1.4s var(--ease-smooth) forwards;
}

.master-hero-panel:hover::after {
    transform: scaleX(1);
}

.master-hero-panel:hover {
    background-color: var(--bg-card-hover);
    border-color: rgba(var(--brand-accent-rgb), 0.12);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.flex-header-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: flex-start;
    position: relative;
    z-index: 3;
}

@media(min-width: 768px) {
    .flex-header-layout {
        flex-direction: row;
        align-items: center;
        gap: 3rem;
    }
}

.header-portrait-block { flex-shrink: 0; margin: 0 auto; }
@media(min-width: 768px) { .header-portrait-block { margin: 0; } }

.portrait-crop-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background-color: var(--bg-base);
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transition: border-color 0.4s var(--ease-smooth), transform 0.4s var(--ease-smooth);
}

.master-hero-panel:hover .portrait-crop-circle {
    border-color: var(--brand-accent);
    transform: rotate(1deg) scale(1.01);
}

.portrait-crop-circle img { width: 100%; height: 100%; object-fit: cover; }
.portrait-fallback { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: none; align-items: center; justify-content: center; font-size: 2.5rem; color: var(--brand-accent); z-index: 2; }

.header-content-block { flex-grow: 1; width: 100%; max-width: 650px; display: flex; flex-direction: column; text-align: left; }
.executive-tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 2px; color: var(--brand-accent); display: inline-block; margin-bottom: 0.4rem; }
.profile-title-area h1 { font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 2.5rem); font-weight: 500; color: var(--text-headline); line-height: 1.15; }
.role-title { font-size: 1.25rem; font-weight: 500; color: var(--text-headline); opacity: 0.95; margin-top: 0.15rem; }
.institution-title { font-size: 1rem; color: var(--text-body-muted); }
.meta-comms-row { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 1rem; font-size: 0.85rem; }
.meta-comms-row span { display: flex; align-items: center; gap: 0.4rem; color: var(--text-headline); }
.meta-comms-row i { color: var(--brand-accent); animation: ambientIconPulse 3s ease-in-out infinite; }

.profile-introduction-text { border-top: 1px solid var(--border-subtle); padding-top: 1.25rem; margin-top: 1.5rem; }
.profile-introduction-text p { font-size: 1rem; color: var(--text-body-muted); line-height: 1.6; }

/* Metrics Dashboard Pop Styles */
.metrics-dashboard { width: 100%; display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media(min-width: 768px) { .metrics-dashboard { grid-template-columns: repeat(3, 1fr); } }

.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-box);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: border-color 0.4s var(--ease-smooth), background-color 0.4s var(--ease-smooth), transform 0.4s var(--ease-smooth);
}

.metric-card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--brand-accent);
    transform: scale(1.02);
}

.metric-number { font-family: var(--font-serif); font-size: 2.5rem; color: var(--brand-accent); line-height: 1; transition: transform 0.4s var(--ease-smooth); }
.metric-card:hover .metric-number { transform: translateX(4px); }
.metric-label { font-size: 0.85rem; font-weight: 500; line-height: 1.4; color: var(--text-headline); }
/* ==========================================================================
   EXECUTIVE PORTFOLIO MASTER DESIGN SYSTEM STYLESHEET
   File Location: asset/base.css - Chunk 2C
   ========================================================================== */

.matrix-columns-row { width: 100%; display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media(min-width: 992px) { .matrix-columns-row { grid-template-columns: 1fr 1fr; } }
.matrix-column { display: flex; flex-direction: column; gap: 2rem; }

/* Base Card Design Layout Structure */
.content-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-box);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: background-color 0.4s var(--ease-smooth), border-color 0.4s var(--ease-smooth), box-shadow 0.4s var(--ease-smooth);
}

/* SYNCHRONIZED HOVER STYLE: Technology Strategy Section (Mirrors Executive Leadership Left Inset Anchor Flash) */
.technology-strategy-card::before {
    content: '';
    position: absolute;
    top: 10%; left: 0; width: 3px; height: 80%;
    background: var(--brand-accent);
    transform: scaleY(0);
    transition: transform 0.4s var(--ease-smooth);
    pointer-events: none;
    z-index: 1;
}

.technology-strategy-card:hover::before { 
    transform: scaleY(1); 
}

.technology-strategy-card:hover { 
    background-color: var(--bg-card-hover); 
    border-color: rgba(var(--brand-accent-rgb), 0.15); 
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25); 
}

/* Tech Ecosystem Section (Scattered Cloud Tag Flare Adjustments) */
.tech-ecosystem-card:hover {
    background-color: var(--bg-card-hover);
    border-color: rgba(var(--brand-accent-rgb), 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.corporate-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    position: relative;
    z-index: 2;
}

.minimal-tag {
    background-color: var(--bg-base);
    border: 1px solid var(--border-subtle);
    color: var(--text-headline);
    padding: 0.45rem 0.85rem;
    border-radius: var(--radius-box);
    font-size: 0.85rem;
    font-weight: 500;
    transition: border-color 0.3s var(--ease-smooth), transform 0.3s var(--ease-smooth), color 0.3s var(--ease-smooth);
}

.minimal-tag:hover {
    border-color: var(--brand-accent);
    color: var(--brand-accent);
    transform: translateY(-2px);
}
/* ==========================================================================
   EXECUTIVE PORTFOLIO MASTER DESIGN SYSTEM STYLESHEET
   File Location: asset/base.css - Chunk 2D
   ========================================================================== */

/* Capital Infrastructure Execution Card (Vertical Specular Laser Wipe) */
.capital-infrastructure-card::before {
    content: '';
    position: absolute;
    top: -100%; left: 0; width: 100%; height: 30%;
    background: linear-gradient(180deg, transparent, rgba(var(--brand-accent-rgb), 0.05), transparent);
    pointer-events: none;
    z-index: 1;
}

.capital-infrastructure-card:hover::before { animation: verticalLaserWipe 1.2s var(--ease-smooth) forwards; }
.capital-infrastructure-card:hover { background-color: var(--bg-card-hover); border-color: rgba(var(--brand-accent-rgb), 0.15); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25); }

/* Executive Leadership Framework Card (Asymmetrical Left Inset Anchor Flash) */
.executive-leadership-card::before {
    content: '';
    position: absolute;
    top: 10%; left: 0; width: 3px; height: 80%;
    background: var(--brand-accent);
    transform: scaleY(0);
    transition: transform 0.4s var(--ease-smooth);
    pointer-events: none;
    z-index: 1;
}

.executive-leadership-card:hover::before { 
    transform: scaleY(1); 
}

.executive-leadership-card:hover { 
    background-color: var(--bg-card-hover); 
    border-color: rgba(var(--brand-accent-rgb), 0.15); 
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25); 
}

.card-heading { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 500; color: var(--text-headline); margin-bottom: 2rem; display: flex; align-items: center; gap: 0.5rem; border-bottom: 1px solid var(--border-subtle); padding-bottom: 0.6rem; position: relative; z-index: 2; }
.card-heading i { color: var(--brand-accent); }
.sphere-item { margin-bottom: 1.5rem; position: relative; z-index: 2; }
.sphere-item:last-child { margin-bottom: 0; }
.sphere-item h3 { font-size: 1.05rem; font-weight: 600; color: var(--text-headline); margin-bottom: 0.35rem; }
.sphere-item p { font-size: 0.9rem; color: var(--text-body-muted); line-height: 1.55; }

/* Leadership History Timeline (Symmetrical Focus Depth Dimming Track) */
.monolithic-timeline { display: flex; flex-direction: column; gap: 2rem; }
.timeline-event { border-left: 2px solid var(--border-subtle); padding-left: 1.5rem; transition: border-color 0.4s var(--ease-smooth), opacity 0.4s var(--ease-smooth); }
.timeline-event:hover { border-color: var(--brand-accent); }
.monolithic-timeline:hover .timeline-event:not(:hover) { opacity: 0.4; }
.event-date { font-size: 0.75rem; font-weight: 700; color: var(--brand-accent); letter-spacing: 1px; display: block; }
.timeline-event h3 { font-size: 1.1rem; font-weight: 600; color: var(--text-headline); }
.timeline-event p { font-size: 0.9rem; line-height: 1.5; color: var(--text-body-muted); }
.event-org { font-size: 0.88rem; color: var(--text-body-muted); display: block; margin-bottom: 0.5rem; }

/* Academic Credentials Card (Symmetrical Circuit Trailing Node Glow) */
.academic-credentials-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, var(--brand-accent), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease-smooth);
    pointer-events: none;
    z-index: 1;
}

.academic-credentials-card:hover::after { transform: scaleX(1); }
.academic-credentials-card:hover { background-color: var(--bg-card-hover); border-color: rgba(var(--brand-accent-rgb), 0.15); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25); }
.credentials-stack { display: flex; flex-direction: column; gap: 1.25rem; position: relative; z-index: 2; }
.cred-node { transition: transform 0.4s var(--ease-smooth); }
.academic-credentials-card:hover .cred-node { transform: translateY(-1px); }
.academic-credentials-card:hover .cred-node:nth-child(2) { transition-delay: 0.04s; }
.academic-credentials-card:hover .cred-node:nth-child(3) { transition-delay: 0.08s; }
.academic-credentials-card:hover .cred-node:nth-child(4) { transition-delay: 0.12s; }
.cred-node h4 { font-size: 1.05rem; font-weight: 600; color: var(--text-headline); }
.cred-node p { font-size: 0.85rem; color: var(--text-body-muted); }

.site-footer { text-align: center; font-size: 0.8rem; color: var(--text-body-muted); opacity: 0.5; padding: 5rem 0 3rem 0; }

/* Scroll Reveal Triggers */
.reveal-on-scroll { opacity: 0; transform: translateY(16px); transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth); }
.reveal-on-scroll.visible { opacity: 1; transform: translateY(0); }
.fade-in-on-load { opacity: 0; transform: translateY(12px); animation: simpleBlast 0.8s var(--ease-smooth) forwards; }
.fade-in-on-load:nth-child(2) { animation-delay: 0.15s; }
@keyframes simpleBlast { to { opacity: 1; transform: translateY(0); } }

/* HARDWARE-ACCELERATED PROCEDURAL ANIMATION LIFECYCLES */
@keyframes verticalLaserWipe {
    0% { top: -40%; }
    100% { top: 110%; }
}

@keyframes topPanelMasterShine {
    0% { left: -150%; }
    100% { left: 150%; }
}

@keyframes ambientIconPulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 0 transparent); }
    50% { transform: scale(1.08); filter: drop-shadow(0 0 4px var(--brand-accent)); }
}