/* 
========================================
   TIZIMSHUNOS - FULL SYSTEM CSS
   Design: Apple Vibe + Google Palette Accents
======================================== 
*/

:root {
    /* Google Colors */
    --sys-blue: #4285F4;
    --sys-red: #EA4335;
    --sys-yellow: #FBBC05;
    --sys-green: #34A853;

    /* Base Architecture */
    --bg-color: #FAFAFA; 
    --surface-color: #FFFFFF;
    --surface-hover: #FFFFFF;
    --text-main: #1D1D1F; 
    --text-muted: #86868B;
    --border-color: #E5E5EA;
    --header-bg: rgba(255, 255, 255, 0.45);
    --header-border: rgba(0, 0, 0, 0.08);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* System Spacing */
    --space-sm: 0.75rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
}

[data-theme="dark"] {
    --bg-color: #000000;
    --surface-color: #111112;
    --surface-hover: #1C1C1E;
    --text-main: #F5F5F7;
    --text-muted: #A1A1A6;
    --border-color: #333336;
    --header-bg: rgba(20, 20, 22, 0.4);
    --header-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
    overflow-x: clip;
}

/* WORKSPACE CONTAINER */
.workspace {
    max-width: 1000px; /* Constrained for reading flow */
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* HEADER WRAPPER — the unified sticky glass panel */
.header-wrapper {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--header-bg);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    border-bottom: 1px solid var(--header-border);
}

/* HEADER BAR — just layout, no background (wrapper provides it) */
.system-header {
    width: 100%;
}

.header-inner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
}

.logo {
    order: 1;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
    color: var(--text-main);
    width: auto;
    margin-bottom: 0;
    text-align: left;
}

.dot-accent { color: var(--sys-blue); }

.header-actions {
    order: 2;
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.action-btn.circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    padding: 0;
}

.action-btn.pill {
    padding: 0 16px;
    height: 44px;
    border-radius: 22px;
    font-size: 0.85rem;
    font-weight: 600;
    gap: 4px;
}

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

/* Desktop nav: centered inside header, hidden on mobile */
.desktop-nav {
    display: none;
    gap: 2rem;
    align-items: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    animation: fadeInMenu 0.8s ease forwards;
}

body.system-activated .desktop-nav {
    display: flex;
}

@keyframes fadeInMenu {
    from { opacity: 0; transform: translate(-50%, -10px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

.desktop-nav .nav-link {
    display: inline-block;
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.desktop-nav .nav-link:hover {
    color: var(--text-main);
}

.desktop-nav .btn-contact {
    color: var(--sys-blue);
    font-weight: 600;
}

/* Mobile nav overlay: hidden on desktop */
.system-nav {
    display: none;
}

.system-nav .nav-link,
.system-nav .btn-secondary {
    display: inline-block;
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    white-space: normal;
    text-align: center;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
}

.system-nav .nav-link:hover,
.system-nav .btn-secondary:hover {
    color: var(--text-main);
    background: transparent;
    transform: none;
}

.system-nav .btn-contact {
    background: var(--text-main) !important;
    color: var(--bg-color) !important;
    padding: 8px 16px;
    border-radius: 20px !important;
    display: inline-flex;
    transition: all 0.2s;
    font-weight: 600;
}

.system-nav .btn-contact:hover {
    transform: scale(1.02);
    opacity: 0.9;
}

.mobile-toggle {
    display: none !important;
}

/* Toggle Menu icons logic (Fallback) */
.mobile-toggle .icon-close { display: none; }
.mobile-toggle.active .icon-menu { display: none; }
.mobile-toggle.active .icon-close { display: block; }
/* HERO SECTION — Interactive Chaos → System */
.hero-section {
    position: relative;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) 0;
    overflow: hidden;
}

.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1s ease;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.grid-overlay.visible {
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;    /* Centered general layout */
    text-align: center;     /* Default text center */
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    padding: 0 var(--space-md);
}

/* Ripple Rings — pulsating rings around avatar */
.ripple-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(66, 133, 244, 0.4);
    transform: translate(-50%, -50%) scale(1);
    animation: ripplePulse 3s infinite ease-out;
    pointer-events: none;
}

.ripple-2 { animation-delay: 1s; }
.ripple-3 { animation-delay: 2s; }

@keyframes ripplePulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
        border-color: rgba(66, 133, 244, 0.5);
    }
    100% {
        transform: translate(-50%, -50%) scale(1.8);
        opacity: 0;
        border-color: rgba(66, 133, 244, 0);
    }
}

/* Hide hints when system is ON */
.avatar-container.system-on .click-hint,
.avatar-container.system-on .ripple-ring,
#about.system-active .systematize-hint {
    opacity: 0 !important;
    visibility: hidden;
    animation: none;
    transition: opacity 0.6s ease;
}

/* Hint text */
.systematize-hint {
    margin-top: 3rem;
    font-size: 0.9rem;
    color: #4285F4;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-align: center;
    animation: pulseHint 2.5s infinite ease-in-out;
}

@keyframes pulseHint {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}


/* Avatar & Switch Container */
.avatar-container {
    display: flex;
    flex-direction: column;
    align-items: center; /* Centered as requested */
    align-self: center;   /* Centered relative to hero-content */
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.avatar-image-wrap {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    position: relative;
    padding: 3px;
    background: transparent;
    transition: all 0.8s ease;
}

.avatar-image-wrap::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: #4285F4;
    filter: blur(25px);
    opacity: 0;
    transition: opacity 1s ease;
    z-index: -1;
}

.avatar-container.system-on .avatar-image-wrap::before {
    opacity: 0.8;
}

/* Avatar Interaction Trigger */
.avatar-trigger {
    position: relative;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.avatar-trigger:hover {
    transform: scale(1.05);
}

.avatar-trigger:active {
    transform: scale(0.95);
}

/* Click Hint Hand Icon */
.click-hint {
    position: absolute;
    bottom: 5px;
    right: -10px;
    color: var(--sys-blue);
    background: var(--surface-color);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.1);
    z-index: 10;
    animation: cursorTap 1.8s infinite ease-in-out;
    pointer-events: none; /* Let clicks pass through to avatar-trigger */
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* Hide hint when system is ON */
.avatar-container.system-on .click-hint,
#about.system-active .interaction-hint-wrapper {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Progressive Reveal Content */
.revealed-content-wrap {
    display: none;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.revealed-content-wrap.is-visible {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.hero-subtext-extra {
    display: none;
    opacity: 0;
    color: var(--sys-blue);
    font-weight: 600;
}

#about.system-active .hero-subtext-extra {
    display: inline;
    animation: fadeInReveal 1.2s forwards;
}

@keyframes fadeInReveal {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes cursorTap {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(3px, 3px) scale(0.9); }
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    transition: border-color 0.8s ease;
}

.avatar-container.system-on .hero-avatar {
    border-color: #3B82F6;
}

/* Hero Text */
.hero-headline {
    font-size: 3.8rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-main);
    text-align: center;     /* Headline centered */
}

.hero-headline .highlight {
    color: #4285F4; /* Google Blue */
}

.hero-subtext {
    font-size: 1.2rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 680px;
    text-align: left;
}


.text-center { text-align: center; }

.pillars-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    width: 100%;
}

.pillar-card {
    background: var(--surface-color);
    border-radius: 20px;
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.pillar-card:hover { transform: translateY(-5px); box-shadow: 0 12px 24px rgba(0,0,0,0.06); }

.border-blue { border-top: 4px solid var(--sys-blue); }
.border-yellow { border-top: 4px solid var(--sys-yellow); }
.border-green { border-top: 4px solid var(--sys-green); }

.emoji-display {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    line-height: 1;
    user-select: none;
    transition: transform 0.3s ease;
}
.pillar-card:hover .emoji-display { transform: scale(1.1); }

.pillar-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}
.pillar-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* CONTENT SECTIONS */
.content-section {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-color);
}

.section-label {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.text-blue { color: var(--sys-blue); }
.text-yellow { color: var(--sys-yellow); }
.text-red { color: var(--sys-red); }

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: var(--space-lg);
    color: var(--text-main);
}

/* ABOUT */
.text-block p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 800px;
    margin-bottom: var(--space-md);
}
.text-block p strong { color: var(--text-main); }

/* PORTFOLIO */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.port-card {
    background: var(--surface-color);
    padding: var(--space-md);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}
.port-card:hover { box-shadow: 0 8px 16px rgba(0,0,0,0.04); }

.port-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    margin-bottom: 1rem;
    background: var(--bg-color);
}
.status-green { color: var(--sys-green); border: 1px solid rgba(52,168,83,0.2); }
.status-blue { color: var(--sys-blue); border: 1px solid rgba(66,133,244,0.2); }

.dot { width: 6px; height: 6px; border-radius: 50%; }
.bg-blue { background: var(--sys-blue); }
.pulse-green { background: var(--sys-green); box-shadow: 0 0 0 rgba(52, 168, 83, 0.4); animation: pulse 2s infinite; }

.port-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}
.port-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* CONTACT */
.contact-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.contact-info h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.contact-info p { color: var(--text-muted); }

.btn-primary {
    display: inline-flex;
    background: var(--sys-blue);
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 500;
    transition: background 0.2s ease;
}
.btn-primary:hover { background: #3367D6; }

/* FOOTER */
.system-footer {
    padding: var(--space-lg) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-xl);
}
.copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

/* ANIMATIONS */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(52, 168, 83, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(52, 168, 83, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 168, 83, 0); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease-out both; }

/* GAMIFIED SKILLS SECTION */
.section-label-mono {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 1rem;
}

.main-heading-gradient {
    background: linear-gradient(to right, #4285F4, #9333EA, #EC4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skills-gamified-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 3rem 0;
}

.skill-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 1.5rem;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.skill-card.activated {
    border-color: transparent;
}

.skill-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.skill-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.skill-status {
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    background: var(--bg-color);
    border-radius: 20px;
    color: var(--text-muted);
    transition: all 0.4s ease;
}

.skill-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.skill-animation-box {
    height: 100px;
    background: rgba(0,0,0,0.02);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

[data-theme="dark"] .skill-animation-box { background: rgba(255,255,255,0.03); }

/* Animation Sub-elements */
.chaos-dots { display: flex; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 4px; background: var(--text-muted); opacity: 0.3; transform: rotate(15deg); transition: all 0.5s ease; }

.glitch-text { font-family: monospace; font-size: 0.7rem; color: var(--text-muted); opacity: 0.5; animation: glitchPulse 2s infinite; }
@keyframes glitchPulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 0.6; } }

.blocks-container {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 40px;
    transition: all 0.5s ease;
}

.block {
    width: 20px;
    height: 20px;
    background: var(--text-muted);
    opacity: 0.2;
    border-radius: 4px;
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.blocks-container.messy .block:nth-child(1) { transform: rotate(-15deg) translateY(5px); }
.blocks-container.messy .block:nth-child(2) { transform: rotate(10deg) translateY(-3px); }
.blocks-container.messy .block:nth-child(3) { transform: rotate(-5deg) translateY(8px); }
.blocks-container.messy .block:nth-child(4) { transform: rotate(20deg) translateY(-6px); }
.blocks-container.messy .block:nth-child(5) { transform: rotate(-10deg) translateY(2px); }



/* Interaction Lane */
.interaction-lane {
    height: 56px;
    background: rgba(0,0,0,0.03);
    border-radius: 28px;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 8px;
    border: 1px solid var(--border-color);
    margin-top: auto;
}
[data-theme="dark"] .interaction-lane { background: rgba(255,255,255,0.05); }

.lane-hint {
    position: absolute;
    width: 100%;
    text-align: center;
    font-size: 0.6rem;
    font-weight: 800;
    color: var(--text-muted);
    opacity: 0.4;
    letter-spacing: 0.2em;
    pointer-events: none;
}

.socket-target {
    margin-left: auto;
    width: 40px;
    height: 40px;
    border: 2px dashed var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.draggable-core {
    position: absolute;
    left: 8px;
    width: 40px;
    height: 40px;
    background: var(--text-main);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: grab;
    z-index: 5;
    user-select: none;
    touch-action: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.1s ease;
}

.draggable-core:active { cursor: grabbing; transform: scale(1.1); }

/* Activated States */
.skill-card.activated .socket-target {
    background: var(--active-color);
    border-color: transparent;
    color: white;
    cursor: pointer;
    z-index: 10; /* Ensure it is above the invisible core */
}
.skill-card.activated .socket-target::after {
    content: '✓';
    font-size: 0.8rem;
    font-weight: bold;
    animation: scaleIn 0.3s ease;
}
@keyframes scaleIn { from { transform: scale(0); } to { transform: scale(1); } }

.skill-card.activated .lane-hint { opacity: 0; }
.skill-card.activated .draggable-core { 
    opacity: 0; 
    pointer-events: none;
    transform: translateX(165px) scale(0.5); /* Pre-position for deactivation logic */
}

.about-cta-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.about-cta-footer p {
    margin-bottom: 0 !important;
}

/* LINKS PAGE / SOCIAL HUB */
.links-page {
    min-height: 60vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl) 0;
}

.links-wrapper {
    width: 100%;
    max-width: 600px; /* Constrained focus */
    margin: 0 auto;
}

.text-center { text-align: center; }

.social-links-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.social-card {
    display: flex;
    align-items: center;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 16px 24px;
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.01);
}

.social-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    background: var(--surface-hover);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    color: var(--text-main);
}

.social-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    transition: stroke 0.2s;
}

.social-text {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
}

.social-arrow {
    color: var(--text-muted);
    font-weight: 700;
    font-size: 1.2rem;
    transition: color 0.2s;
}

.social-card:hover .social-arrow {
    color: var(--text-main);
}

.btn-secondary {
    display: inline-flex;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s ease;
}
.btn-secondary:hover { background: var(--bg-color); color: var(--text-main); }

/* TROLL LANG DROPDOWN & TOAST */
.lang-dropdown {
    position: relative;
    display: inline-block;
}
.lang-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 100;
}
.lang-dropdown.open .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(5px);
}
.lang-option {
    background: transparent;
    border: none;
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    width: 100%;
}
.lang-option:hover {
    background: var(--bg-color);
}

.vibe-toast-container {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    align-items: center;
}

.vibe-toast {
    background: var(--text-main);
    color: var(--bg-color);
    padding: 14px 24px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    animation: toastEnter 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 90vw;
    text-align: center;
    line-height: 1.4;
}

.vibe-toast.hiding {
    animation: toastLeave 0.4s ease forwards;
}

@keyframes toastEnter {
    from { opacity: 0; transform: translateY(30px) scale(0.9); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ABOUT PAGE SPECIFIC */
.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.method-step {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 20px;
    position: relative;
    transition: all 0.4s ease;
}

.method-step:hover {
    border-color: var(--text-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(66, 133, 244, 0.1);
}

.step-num {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-blue);
    opacity: 0.1;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.content-grid-two-cols {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
}

.timeline {
    border-left: 2px solid var(--border-color);
    padding-left: 2rem;
    position: relative;
}

.timeline-item {
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.7rem;
    top: 0.5rem;
    width: 20px;
    height: 20px;
    background: var(--bg-color);
    border: 3px solid var(--text-green);
    border-radius: 50%;
}

.timeline h4 { margin: 0.5rem 0; font-size: 1.2rem; }
.year { font-size: 0.85rem; font-weight: 600; color: var(--text-green); text-transform: uppercase; letter-spacing: 1px; }

.values-card {
    background: var(--text-main);
    color: var(--bg-color);
    padding: 2.5rem;
    border-radius: 24px;
    position: sticky;
    top: 100px;
}

.values-list { list-style: none; padding: 0; margin-top: 1.5rem; }
.values-list li { margin-bottom: 1.2rem; line-height: 1.6; }

@media (max-width: 992px) {
    .content-grid-two-cols { grid-template-columns: 1fr; gap: 3rem; }
}

@keyframes toastLeave {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(30px) scale(0.9); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    :root {
        --space-xl: 3rem;
        --space-lg: 2rem;
        --space-md: 1.2rem;
    }

    .workspace {
        padding: 0 1rem;
    }

    .header-inner-content {
        padding-top: var(--space-sm);
        padding-bottom: var(--space-sm);
    }

    .logo {
        font-size: 1.15rem;
    }

    .header-actions {
        gap: 6px;
    }

    .action-btn.circle {
        width: 40px;
        height: 40px;
    }

    .action-btn.pill {
        height: 40px;
        padding: 0 12px;
        font-size: 0.8rem;
    }

    .hero-headline {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }

    .hero-subtext {
        font-size: 0.95rem;
    }

    .avatar-card {
        padding: 1.2rem 1.5rem;
    }

    .avatar-image-wrap {
        width: 150px;
        height: 150px;
    }

    .systematize-hint {
        margin-top: 1.5rem;
    }

    .desktop-nav {
        display: none !important;
    }

    body.system-activated .mobile-toggle {
        display: flex !important;
    }

    .system-nav {
        display: block;
        width: 100%;
        /* Smooth reveal via max-height */
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transform-origin: top;
        transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    }

    .system-nav.active {
        max-height: 400px;
        opacity: 1;
    }

    .system-nav .nav-link,
    .system-nav .btn-secondary,
    .system-nav .btn-contact {
        display: block;
        text-decoration: none;
        color: var(--text-muted) !important;
        font-weight: 500;
        font-size: 1.05rem;
        transition: all 0.2s ease;
        white-space: normal;
        text-align: left;
        padding: 18px 0;
        background: transparent !important;
        border: none !important;
        border-bottom: 1px solid var(--border-color) !important;
        border-radius: 0 !important;
    }

    .system-nav .nav-link:last-child,
    .system-nav .btn-contact:last-child {
        border-bottom: none !important;
    }

    .system-nav .workspace {
        padding-top: 0.5rem;
        padding-bottom: 1.5rem;
    }

    .system-nav.active .nav-link,
    .system-nav.active .btn-secondary,
    .system-nav.active .btn-contact {
        animation: linkFadeIn 0.4s ease forwards;
        opacity: 0;
    }
    
    .system-nav.active .workspace *:nth-child(1) { animation-delay: 0.05s; }
    .system-nav.active .workspace *:nth-child(2) { animation-delay: 0.1s; }
    .system-nav.active .workspace *:nth-child(3) { animation-delay: 0.15s; }
    .system-nav.active .workspace *:nth-child(4) { animation-delay: 0.2s; }
    
    @keyframes linkFadeIn {
        0% { opacity: 0; transform: translateX(-15px); }
        100% { opacity: 1; transform: translateX(0); }
    }

    .system-nav .nav-link:hover,
    .system-nav .btn-secondary:hover,
    .system-nav .btn-contact:hover { 
        color: var(--text-main) !important; 
        background: transparent !important;
        transform: translateX(6px) !important;
        opacity: 1 !important;
    }

    .system-title {
        font-size: 2.3rem;
        line-height: 1.15;
    }

    .manifesto-text p {
        font-size: 1rem;
    }
    

    .section-title {
        font-size: 2rem;
    }

    .skills-gamified-container { 
        grid-template-columns: 1fr; 
        gap: var(--space-md);
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-section { 
        min-height: auto; 
        padding: var(--space-lg) 0 1rem 0; /* Reduced bottom padding on mobile */
    }

    .revealed-content-wrap .content-section:first-child {
        padding-top: 1rem; /* Tighten the gap for the first section */
    }

    .contact-card { 
        flex-direction: column; 
        text-align: center; 
        align-items: center; 
        padding: 1.5rem 1rem;
    }
    
    .contact-actions, .btn-primary {
        width: 100%;
        justify-content: center;
    }

    .vibe-toast {
        width: 90vw;
        font-size: 0.9rem;
        padding: 12px 18px;
        border-radius: 20px;
    }
    .about-cta-footer { 
        flex-direction: column; 
        text-align: center; 
        align-items: center; 
        gap: 1.5rem;
    }
}