/* ==========================================================================
   MINIMALIST PITCH-BLACK & PURE-WHITE BENTO THEME
   ========================================================================== */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Theme colors - Dark Mode (Default) - Pure Pitch Black */
    --bg-dark: #000000;
    --surface-dark: rgba(255, 255, 255, 0.02);
    --border-dark: rgba(255, 255, 255, 0.06);
    --border-hover-dark: rgba(255, 255, 255, 0.12);

    /* Clean Vercel / Stripe Indigo & Teal accents */
    --primary: #6366f1; /* Indigo */
    --secondary: #14b8a6; /* Teal */
    --accent: #a855f7; /* Violet */
    --success: #10b981;
    --error: #ef4444;

    --text-primary-dark: #ffffff;
    --text-secondary-dark: #88888c; /* Steel Gray */
    --text-muted-dark: #4b5563;

    /* Global States Mapping */
    --bg: var(--bg-dark);
    --surface: var(--surface-dark);
    --border: var(--border-dark);
    --border-hover: var(--border-hover-dark);
    
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    
    --transition-speed: 0.25s;
    --max-width: 900px;
    --card-shadow: 0 10px 40px -20px rgba(0, 0, 0, 0.6);
}

/* Light Theme Variables (Apple Clean Light Style) */
body.light-theme {
    --bg: #ffffff;
    --surface: rgba(0, 0, 0, 0.015);
    --border: rgba(0, 0, 0, 0.07);
    --border-hover: rgba(0, 0, 0, 0.15);
    
    --text-primary: #111111;
    --text-secondary: #555555;
    --text-muted: #888888;
    
    --primary: #4f46e5;
    --secondary: #0d9488;
    --accent: #7c3aed;
    --card-shadow: 0 10px 40px -20px rgba(99, 102, 241, 0.05);
}

body.light-theme .bento-card {
    background: linear-gradient(135deg, rgba(250, 250, 252, 0.95), rgba(240, 240, 245, 0.95));
    border-color: rgba(0, 0, 0, 0.06);
}

body.light-theme .bento-card:hover {
    border-color: var(--primary);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08), 
                0 0 15px rgba(99, 102, 241, 0.05);
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.62;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

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

/* Utilities */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.section-padding {
    padding: 60px 0;
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(var(--bg), 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition-speed), border var(--transition-speed);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 24px;
}

.logo {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.04em;
    color: var(--text-primary);
}

.logo .accent {
    font-weight: 300;
    color: var(--text-secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
}

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

.nav-cta {
    border: 1px solid var(--text-primary);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 600;
}

.nav-cta:hover {
    background-color: var(--text-primary);
    color: var(--bg) !important;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
    width: 60px;
    height: 40px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 18px;
    height: 12px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-toggle .bar {
    width: 100%;
    height: 1.5px;
    background-color: var(--text-primary);
    transition: var(--transition-speed);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    min-height: 75vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 120px;
    border-bottom: 1px solid var(--border);
    z-index: 1;
}

.college-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 5px;
    height: 5px;
    background-color: var(--secondary);
    border-radius: 50%;
}

.hero-title {
    font-size: clamp(2.4rem, 6.2vw, 4.4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.05em;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.hero-tagline {
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.55;
    max-width: 580px;
    margin: 0 auto;
}

/* ==========================================================================
   BENTO GRID PANEL
   ========================================================================== */
.section-label-mono {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 12px;
}

.section-heading {
    font-size: clamp(1.5rem, 3.5vw, 2.1rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(180px, auto);
    gap: 16px;
    margin-top: 16px;
}

.bento-card {
    background: linear-gradient(135deg, rgba(20, 20, 25, 0.7), rgba(10, 10, 12, 0.7));
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--card-shadow);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1),
                transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), 
                border-color 0.4s ease, 
                box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
}

.bento-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.col-span-2 {
    grid-column: span 2;
}

.col-span-3 {
    grid-column: span 3;
}

/* Card Icon Links */
.card-icon-link {
    position: absolute !important;
    top: 24px;
    right: 24px;
    font-size: 1.05rem;
    color: var(--text-muted);
    opacity: 0.35;
    transition: opacity 0.3s ease, color 0.3s ease, transform 0.3s ease;
    z-index: 5;
}

.bento-card:hover .card-icon-link {
    opacity: 0.9;
    color: var(--text-primary);
    transform: scale(1.15) rotate(5deg);
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.05), transparent 70%);
    z-index: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.bento-card > * {
    position: relative;
    z-index: 1;
}

.bento-card:hover::before {
    background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.12), transparent 70%);
}

.bento-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 
                0 0 20px rgba(99, 102, 241, 0.1);
}

/* Individual card hover glows */
#awsCard::before {
    background: radial-gradient(circle at top left, rgba(255, 153, 0, 0.04), transparent 70%);
}
#awsCard:hover::before {
    background: radial-gradient(circle at top left, rgba(255, 153, 0, 0.12), transparent 70%);
}
#awsCard:hover {
    border-color: rgba(255, 153, 0, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 
                0 0 20px rgba(255, 153, 0, 0.1);
}

#projects::before {
    background: radial-gradient(circle at top left, rgba(168, 85, 247, 0.04), transparent 70%);
}
#projects:hover::before {
    background: radial-gradient(circle at top left, rgba(168, 85, 247, 0.12), transparent 70%);
}
#projects:hover {
    border-color: rgba(168, 85, 247, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 
                0 0 20px rgba(168, 85, 247, 0.1);
}

#forecastsCard::before {
    background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.04), transparent 70%);
}
#forecastsCard:hover::before {
    background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.12), transparent 70%);
}
#forecastsCard:hover {
    border-color: rgba(34, 197, 94, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 
                0 0 20px rgba(34, 197, 94, 0.1);
}

#lmsCard::before {
    background: radial-gradient(circle at top left, rgba(6, 182, 212, 0.04), transparent 70%);
}
#lmsCard:hover::before {
    background: radial-gradient(circle at top left, rgba(6, 182, 212, 0.12), transparent 70%);
}
#lmsCard:hover {
    border-color: rgba(6, 182, 212, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 
                0 0 20px rgba(6, 182, 212, 0.1);
}

#writingCard::before {
    background: radial-gradient(circle at top left, rgba(236, 72, 153, 0.04), transparent 70%);
}
#writingCard:hover::before {
    background: radial-gradient(circle at top left, rgba(236, 72, 153, 0.12), transparent 70%);
}
#writingCard:hover {
    border-color: rgba(236, 72, 153, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 
                0 0 20px rgba(236, 72, 153, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.bio-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.bio-text strong {
    color: var(--text-primary);
}

/* AWS Badge representation */
.flex-center-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
}

.aws-badge-box {
    width: 55px;
    height: 55px;
    border-radius: 8px;
    background: rgba(255, 153, 0, 0.05);
    border: 1px solid rgba(255, 153, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.aws-logo-img {
    width: 38px;
    height: auto;
    object-fit: contain;
}

/* Dark Mode defaults */
.aws-logo-img.logo-black {
    display: none;
}
.aws-logo-img.logo-white {
    display: block;
}

/* Light Mode overrides */
body.light-theme .aws-logo-img.logo-white {
    display: none;
}
body.light-theme .aws-logo-img.logo-black {
    display: block;
}

.card-sub-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.card-detail-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 6px;
}

/* Spec list inside project bento */
.project-summary-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.specs-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-top: 1px solid var(--border);
    padding-top: 14px;
}

.spec-row-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
}

.spec-lbl {
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.spec-val {
    font-weight: 500;
    color: var(--text-primary);
    text-align: right;
}

/* Summary sub-item */
.project-summary-item {
    display: flex;
    flex-direction: column;
}

.summary-item-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--secondary);
}

/* ==========================================================================
   TECHNICAL CAPABILITIES (Stripe Spec Grid)
   ========================================================================== */
.capabilities-matrix {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border);
    margin-top: 16px;
}

.matrix-row {
    display: grid;
    grid-template-columns: 240px 1fr;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.matrix-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.matrix-value {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.matrix-tag {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    background-color: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
    cursor: default;
}

.matrix-tag:hover {
    border-color: var(--border-hover);
    background-color: var(--surface-hover);
}

.mini-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    background-color: var(--surface);
    border: 1px solid var(--border);
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-lead-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-form-minimal {
    margin-bottom: 40px;
}

.form-row-minimal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* Outlined border-only styling for fields */
.minimal-input {
    width: 100%;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    padding: 14px 4px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-speed);
}

.minimal-input::placeholder {
    color: var(--text-muted);
}

.minimal-input:focus {
    border-bottom-color: var(--text-primary);
}

textarea.minimal-input {
    resize: vertical;
    margin-bottom: 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-speed), color var(--transition-speed);
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg);
    border: 1px solid var(--text-primary);
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background-color: var(--surface);
    border-color: var(--border-hover);
}

.contact-social-footer {
    display: flex;
    gap: 32px;
    border-top: 1px solid var(--border);
    padding-top: 32px;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.social-link i {
    color: var(--text-muted);
}

.social-link:hover, .social-link:hover i {
    color: var(--secondary);
}

/* ==========================================================================
   FREELANCE DRAWER SYSTEM (Slide-out Panel)
   ========================================================================== */
.freelance-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.freelance-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.freelance-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 440px;
    height: 100%;
    background-color: var(--bg);
    border-left: 1px solid var(--border);
    box-shadow: -10px 0 45px rgba(0, 0, 0, 0.4);
    z-index: 160;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color var(--transition-speed), border-color var(--transition-speed);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.freelance-drawer.active {
    transform: translateX(0);
}

.drawer-close-btn {
    position: absolute;
    top: 24px;
    right: 30px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    transition: color var(--transition-speed);
}

.drawer-close-btn:hover {
    color: var(--error);
}

.drawer-heading {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-top: 20px;
    margin-bottom: 8px;
}

.drawer-intro {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.5;
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.service-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.service-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-title i {
    color: var(--primary);
    font-size: 1.05rem;
}

.service-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 26px;
}

.drawer-footer {
    margin-top: auto;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.drawer-cta-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* ==========================================================================
   FLOATING AI ASSISTANT CHAT WIDGET
   ========================================================================== */
.ai-widget-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.ai-toggle-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: var(--text-primary);
    color: var(--bg);
    border: 1px solid var(--border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-speed);
}

.ai-toggle-btn:hover {
    transform: scale(1.05);
}

.ai-chat-panel {
    position: absolute;
    bottom: 66px;
    right: 0;
    width: 340px;
    height: 440px;
    background-color: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(15px) scale(0.95);
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-chat-panel.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 18px;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--secondary);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--secondary);
}

.chat-header-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.chat-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.4rem;
    cursor: pointer;
}

.chat-close-btn:hover {
    color: var(--error);
}

.chat-body {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Scrollbar for chat */
.chat-body::-webkit-scrollbar {
    width: 4px;
}
.chat-body::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.chat-msg {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    line-height: 1.45;
}

.msg-assistant {
    background-color: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    align-self: flex-start;
}

.msg-user {
    background-color: var(--primary);
    color: #ffffff;
    align-self: flex-end;
}

/* Typing bubble dots */
.typing-dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
    padding: 4px 6px;
}

.typing-dots span {
    width: 5px;
    height: 5px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    animation: typingBounce 1s infinite alternate;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    from { transform: translateY(0); }
    to { transform: translateY(-4px); }
}

/* Suggestions container */
.chat-suggestions {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    background-color: transparent;
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

/* Hide scrollbar for suggestions */
.chat-suggestions::-webkit-scrollbar {
    display: none;
}

.suggestion-pill {
    white-space: nowrap;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 100px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition-speed), border-color var(--transition-speed), color var(--transition-speed);
}

.suggestion-pill:hover {
    background-color: var(--border-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* Input area */
.chat-input-form {
    display: flex;
    border-top: 1px solid var(--border);
    padding: 8px;
    background-color: var(--surface);
}

.chat-input-form input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.82rem;
}

.chat-send-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    padding: 0 12px;
    cursor: pointer;
    font-size: 0.95rem;
}

.chat-send-btn:hover {
    color: var(--secondary);
}

/* ==========================================================================
   FOOTER & LIGHT SWITCH
   ========================================================================== */
.footer {
    padding: 48px 0;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 32px;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 16px;
}

:root {
  --on: 0;
  --cord: hsl(0, 0%, calc((60 - (var(--on) * 50)) * 1%));
  --stroke: hsl(0, 0%, calc((60 - (var(--on) * 50)) * 1%));
  --shine: hsla(0, 0%, 100%, calc(0.75 - (var(--on) * 0.5)));
  --cap: hsl(0, 0%, calc((40 + (var(--on) * 30)) * 1%));
  --filament: hsl(45, calc(var(--on) * 80%), calc((25 + (var(--on) * 75)) * 1%));
}

.toggle-scene {
  overflow: visible !important;
  height: 110px;
  position: fixed;
  top: 0;
  right: 32px;
  z-index: 150;
  cursor: pointer;
}

.toggle-scene__cord {
  stroke: var(--cord);
  cursor: move;
}

.toggle-scene__cord:active {
  cursor: grabbing;
}

.toggle-scene__cord:nth-of-type(1) {
  display: none;
}

.toggle-scene__cord:nth-of-type(2),
.toggle-scene__cord:nth-of-type(3),
.toggle-scene__cord:nth-of-type(4),
.toggle-scene__cord:nth-of-type(5) {
  display: none;
}

.toggle-scene__cord-end {
  stroke: var(--cord);
  fill: var(--cord);
}

.toggle-scene__dummy-cord {
  stroke-width: 6;
  stroke: var(--cord);
}

.bulb__filament {
  stroke: var(--filament);
}

.bulb__shine {
  stroke: var(--shine);
}

.bulb__flash {
  stroke: #f5e0a3;
  display: none;
}

.bulb__bulb {
  stroke: var(--stroke);
  fill: hsla(calc(180 - (95 * var(--on))), 80%, 80%, calc(0.1 + (0.4 * var(--on))));
}

.bulb__cap {
  fill: var(--cap);
}

.bulb__cap-shine {
  fill: var(--shine);
}

.bulb__cap-outline {
  stroke: var(--stroke);
}

/* ==========================================================================
   RESPONSIVENESS MEDIA QUERIES
   ========================================================================== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: flex;
    }

    .nav-actions {
        width: 90px;
    }

    .toggle-scene {
        position: fixed;
        right: 24px;
        left: auto;
        transform: none;
        height: 80px;
        top: 0;
    }
    
    .hero-grid-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .bento-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: auto;
    }

    .col-span-2 {
        grid-column: span 1;
    }

    .capabilities-matrix {
        margin-top: 12px;
    }

    .matrix-row {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 16px 0;
    }

    .timeline-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .form-row-minimal {
        grid-template-columns: 1fr;
    }

    .freelance-drawer {
        width: 100%; /* Take full screen width on mobile */
        padding: 40px 24px;
    }

    .ai-chat-panel {
        width: calc(100vw - 48px);
        right: 0;
        bottom: 60px;
    }
}

/* ==========================================================================
   BUY ME A COFFEE WIDGETS
   ========================================================================== */
.bmc-floating-btn {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    opacity: 0.35;
    transition: transform var(--transition-speed), opacity var(--transition-speed), background-color var(--transition-speed), border-color var(--transition-speed);
}

.bmc-floating-btn:hover {
    transform: translateY(-2px);
    opacity: 1;
    background-color: #FFDD00;
    border-color: #FFDD00;
}

.bmc-btn-logo {
    width: 18px;
    height: 24px;
    filter: grayscale(1) brightness(3);
    transition: filter var(--transition-speed);
}

.bmc-floating-btn:hover .bmc-btn-logo {
    filter: none;
}

body.light-theme .bmc-btn-logo {
    filter: grayscale(1) brightness(0.2);
}

body.light-theme .bmc-floating-btn:hover .bmc-btn-logo {
    filter: none;
}

.bmc-drawer-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 12px;
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition-speed), border-color var(--transition-speed);
}

.bmc-drawer-btn img {
    width: 18px;
    height: 18px;
}

.bmc-drawer-btn:hover {
    background-color: var(--surface);
    border-color: var(--border-hover);
}

@media (max-width: 768px) {
    .bmc-floating-btn {
        bottom: 90px; /* shift above mobile layout */
        left: 24px;
    }
}

/* ==========================================================================
   ACADEMIC FOUNDATION (EDUCATION SECTION)
   ========================================================================== */
.education-timeline {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border);
    margin-top: 16px;
}

.education-row {
    display: grid;
    grid-template-columns: 240px 1fr;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    align-items: start;
}

.education-years {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
}

.education-inst {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.education-degree {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .education-row {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 16px 0;
    }
}