/* ==========================================================================
   DESIGN TOKENS & CSS CUSTOM PROPERTIES
   ========================================================================== */
:root {
    /* Color Palette */
    --bg-primary: #0D0D0D;      /* Deep black documentary canvas */
    --bg-secondary: #161616;    /* Dark gray for sidebar and structures */
    --bg-surface: #1E1E1E;      /* Rich dark gray surface for cards and elements */
    --border-color: #2A2A2A;    /* Crisp, thin editorial borders */
    
    --text-primary: #F5F5F5;    /* High-contrast dominant white text */
    --text-secondary: #999999;  /* Sophisticated documentary secondary text */
    
    --accent: #DCFA37;          /* High-voltage key color */
    --accent-hover: #C8E832;    /* Refined neon hover variant */
    
    /* Layout Dimensions */
    --sidebar-width: 260px;
    --header-height-mobile: 64px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-elastic: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

body {
    font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Customized Premium Scrollbar for Webkit Browsers */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Typography Helpers */
.logo, .project-title, .phase-title, .metric-number, .principle-number, .sub-heading, .callout-text {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-weight: 700;
}

/* ==========================================================================
   LAYOUT STRUCTURE
   ========================================================================== */
.portfolio-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
    position: relative;
}

/* Left Fixed Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 48px 24px;
}

.sidebar-top {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

/* Brand Logo style */
.logo-link {
    text-decoration: none;
    display: inline-block;
}

.logo {
    font-size: 28px;
    color: var(--accent);
    letter-spacing: -0.04em;
    font-weight: 800;
    line-height: 1.1;
    transition: color var(--transition-fast);
}

.logo-link:hover .logo {
    color: var(--text-primary);
}

/* Section label "Projects" */
.nav-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-label {
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* Navigation items */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    font-family: 'Work Sans', sans-serif;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 12px;
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
}

.nav-item:hover {
    color: var(--accent);
    border-left-color: var(--accent);
    background-color: rgba(220, 250, 55, 0.03);
    padding-left: 16px; /* Smooth indention feel */
}

.nav-item.active {
    color: var(--accent);
    border-left-color: var(--accent);
    background-color: rgba(220, 250, 55, 0.05);
    padding-left: 16px;
    font-weight: 600;
}

/* Sidebar Footer profile details */
.sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.designer-profile {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.designer-name {
    font-family: 'Work Sans', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.designer-email {
    font-family: 'Work Sans', sans-serif;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    word-break: break-all;
    transition: color var(--transition-fast);
}

.designer-email:hover {
    color: var(--accent);
}

.social-link {
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    transition: all var(--transition-fast);
    align-self: flex-start;
}

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

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    background-color: var(--bg-primary);
    position: relative;
    overflow-y: auto;
    padding: 80px clamp(24px, 6vw, 96px) 120px;
}

/* ==========================================================================
   PROJECT CASES (Dynamic Tab-switching)
   ========================================================================== */
.project-case {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.project-case.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Case entering animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-case.active {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ==========================================================================
   EDITORIAL WORK/CASE SYSTEM
   ========================================================================== */

/* Project Hero */
.project-hero {
    max-width: 900px;
    margin-bottom: 48px;
}

.project-title {
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.project-subtitle {
    font-size: clamp(16px, 2.2vw, 20px);
    font-weight: 300;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Tags layout */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 48px;
}

.tag {
    font-family: 'Work Sans', sans-serif;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 100px;
    transition: all var(--transition-fast);
}

.tag:hover {
    border-color: var(--accent);
    background-color: rgba(220, 250, 55, 0.02);
}

/* Metadata Row Grid */
.metadata-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 24px 0;
}

.metadata-col {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.meta-label {
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.meta-value {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Spacing Dividers */
.section-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 48px 0;
    width: 100%;
}

/* 2-Column Grid Layout (Audi Brand Documentary Style) */
.grid-2col {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 48px;
    align-items: start;
}

.section-aside {
    position: sticky;
    top: 40px;
}

.section-phase-tag {
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.section-body {
    max-width: 720px;
}

/* Paragraph structures */
.paragraph-lead {
    font-size: clamp(17px, 2vw, 22px);
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-primary);
}

.paragraph {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

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

.sub-heading {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin: 32px 0 16px;
}

/* ==========================================================================
   GLOBAL DESIGN COMPONENTS
   ========================================================================== */

/* Callout Box Component */
.callout-box {
    background-color: var(--bg-secondary);
    border-left: 2px solid var(--accent);
    padding: 24px 32px;
    margin: 32px 0;
    border-radius: 0 4px 4px 0;
}

.callout-text {
    font-size: clamp(18px, 2.5vw, 24px);
    line-height: 1.4;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Bullet list components with customized dot */
.bullet-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.bullet-list.margin-bottom {
    margin-bottom: 32px;
}

.bullet-list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.bullet-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    margin-top: 10px;
    flex-shrink: 0;
}

.bullet-text {
    font-family: 'Work Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Phase Headers (e.g. Phase 01 Descoberta e Pesquisa) */
.phase-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.phase-label {
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.phase-title {
    font-size: 28px;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1.2;
}

/* Principle Cards Component (Phase 2) */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.principle-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 32px 24px;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all var(--transition-smooth);
}

.principle-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.principle-number {
    font-size: 40px;
    color: var(--accent);
    line-height: 1;
    letter-spacing: -0.05em;
    opacity: 0.9;
}

.principle-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    line-height: 1.3;
}

.principle-desc {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Metric Cards Component (Results) */
.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.results-grid.single-card {
    grid-template-columns: 1fr;
    max-width: 360px;
}

.metric-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 40px 32px;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.metric-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.metric-card:hover::before {
    transform: scaleX(1);
}

.metric-number {
    font-size: clamp(48px, 6vw, 64px);
    color: var(--accent);
    line-height: 1;
    letter-spacing: -0.05em;
}

.metric-label {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   FIGMA MOCKUP COMPONENT
   ========================================================================== */
.figma-mockup-wrapper {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    overflow: hidden;
    margin: 32px 0 0;
    position: relative;
}

.figma-mockup-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* CSS Mockup Fallback design for premium look before image loads */
.figma-mockup-fallback {
    display: flex;
    flex-direction: column;
    padding: 40px 24px;
    min-height: 400px;
    justify-content: space-between;
    background: radial-gradient(circle at top right, rgba(220, 250, 55, 0.04), transparent 60%), var(--bg-secondary);
}

.fallback-tag {
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.fallback-text {
    font-family: 'Work Sans', sans-serif;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 24px;
}

/* Miniature Graphic */
.fallback-graphic {
    flex: 1;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-primary);
    overflow: hidden;
    margin-top: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.mock-top-bar {
    background-color: var(--bg-surface);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
}

.mock-dots {
    display: flex;
    gap: 6px;
}

.mock-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.mock-title {
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    color: var(--text-secondary);
}

.mock-content {
    display: flex;
    flex: 1;
    min-height: 180px;
}

.mock-sidebar-mini {
    width: 48px;
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.mock-body-mini {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mock-row-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.mock-block {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px;
    font-family: 'Work Sans', sans-serif;
    font-size: 10px;
    font-weight: 500;
    color: var(--text-secondary);
}

.mock-alert {
    border-color: rgba(220, 250, 55, 0.4);
    color: var(--accent);
}

.mock-accent-block {
    color: var(--accent);
}

.mock-block-large {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    height: 60px;
    padding: 12px;
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    color: var(--text-secondary);
}

.mock-action-buttons {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: auto;
}

.mock-btn {
    font-family: 'Work Sans', sans-serif;
    font-size: 10px;
    padding: 6px 12px;
    border-radius: 4px;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.mock-btn-reject {
    border-color: rgba(235, 87, 87, 0.4);
    color: #EB5757;
}

.mock-btn-approve {
    background-color: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    font-weight: 600;
}

/* Mobile-specific Mockup Graphic */
.fallback-graphic-mobile {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.mock-mobile-device {
    width: 160px;
    height: 280px;
    border: 4px solid var(--border-color);
    border-radius: 20px;
    background-color: var(--bg-primary);
    position: relative;
    padding: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
}

.mock-mobile-speaker {
    width: 40px;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    margin: 0 auto 12px;
}

.mock-mobile-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mock-mobile-header {
    font-family: 'Work Sans', sans-serif;
    font-size: 9px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.mock-mobile-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.mock-mobile-field {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px;
    font-family: 'Work Sans', sans-serif;
    font-size: 8px;
    color: var(--text-secondary);
}

.mock-active-field {
    border-color: var(--accent);
}

.mock-mobile-btn {
    background-color: var(--accent);
    color: var(--bg-primary);
    font-family: 'Work Sans', sans-serif;
    font-size: 8px;
    font-weight: 700;
    padding: 6px;
    border-radius: 4px;
    text-align: center;
    margin-top: auto;
}

/* ==========================================================================
   MOBILE HEADER & OVERLAYS
   ========================================================================== */
.mobile-header {
    display: none;
    height: var(--header-height-mobile);
    width: 100vw;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 120;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}

.mobile-logo-link {
    text-decoration: none;
}

.mobile-logo {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 20px;
    color: var(--accent);
    letter-spacing: -0.04em;
    font-weight: 800;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    padding: 0;
    z-index: 130;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Hamburger active transformation */
.menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    background-color: var(--accent);
}

.menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    background-color: var(--accent);
}

/* Sidebar overlay under active mobile view */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 90;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* ==========================================================================
   NEW COMPONENTS - RICH CASE STUDY SYSTEMS
   ========================================================================== */

/* Goal Cards (2x2 Grid) */
.goals-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 32px 0;
}

.goal-card {
    background-color: var(--bg-surface);
    border-left: 2px solid var(--accent);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: all var(--transition-smooth);
}

.goal-card:hover {
    transform: translateX(4px);
    border-left-color: var(--text-primary);
}

.goal-label {
    font-family: 'Work Sans', sans-serif;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.goal-desc {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
}

.callout-box-wide {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--accent);
    padding: 24px;
    margin: 32px 0 16px;
    border-radius: 0 0 4px 4px;
}

.callout-text-wide {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.4;
    letter-spacing: -0.01em;
}

/* Personas Section */
.personas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.persona-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: all var(--transition-smooth);
}

.persona-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.persona-header-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.persona-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    object-fit: cover;
    background-color: var(--bg-primary);
    transition: border-color var(--transition-smooth);
}

.persona-card:hover .persona-avatar {
    border-color: var(--accent);
}

.persona-card:hover {
    border-color: var(--accent);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.persona-tag {
    font-family: 'Work Sans', sans-serif;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
}

.persona-name {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.persona-divider {
    border: none;
    height: 1px;
    background-color: var(--border-color);
    width: 100%;
}

.persona-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-family: 'Work Sans', sans-serif;
    font-size: 13px;
    line-height: 1.4;
}

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

.info-value {
    color: var(--text-primary);
    font-weight: 500;
}

.persona-goals {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.persona-subtitle {
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-top: 4px;
}

.persona-text {
    font-family: 'Work Sans', sans-serif;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.5;
}

/* User Journey Layout */
.user-journey {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.journey-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 24px;
    display: flex;
    gap: 24px;
    position: relative;
    transition: border-color var(--transition-smooth);
}

.journey-card:hover {
    border-color: var(--accent);
}

.journey-badge {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: var(--accent);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color var(--transition-smooth);
}

.journey-card:hover .journey-badge {
    border-color: var(--accent);
}

.journey-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.journey-stage {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.journey-desc {
    font-family: 'Work Sans', sans-serif;
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.journey-tracks {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.journey-track {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.track-label {
    font-family: 'Work Sans', sans-serif;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
}

.track-desc {
    font-family: 'Work Sans', sans-serif;
    font-size: 12px;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.5;
}

/* Glossary Styles */
.glossary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 16px;
}

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

.glossary-term {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.02em;
}

.glossary-definition {
    font-family: 'Work Sans', sans-serif;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Interfaces Grid (3-Column Grid) */
.interfaces-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.interface-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-smooth);
}

.interface-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.interface-mockup {
    background-color: var(--bg-primary);
    height: 180px;
    position: relative;
    padding: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.browser-mockup {
    display: flex;
    flex-direction: column;
    height: 200px !important;
    padding: 0 !important;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary) !important;
}

.mockup-header {
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    height: 28px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 16px;
    flex-shrink: 0;
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.mockup-dots span:nth-child(1) { background-color: #FF5F56; }
.mockup-dots span:nth-child(2) { background-color: #FFBD2E; }
.mockup-dots span:nth-child(3) { background-color: #27C93F; }

.mockup-address {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    color: var(--text-secondary);
    font-family: 'Work Sans', sans-serif;
    font-size: 9px;
    padding: 2px 16px;
    width: 140px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mockup-body {
    flex: 1;
    width: 100%;
    height: calc(100% - 28px);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.screenshot-body {
    padding: 0 !important;
}

.interface-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform var(--transition-smooth);
}

.zoom-trigger {
    cursor: pointer;
}

.zoom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 5;
}

.zoom-icon {
    color: var(--accent);
    transform: scale(0.8);
    transition: transform var(--transition-elastic);
}

.zoom-overlay span {
    font-family: 'Work Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

/* Hover Zoom Actions */
.interface-card:hover .interface-screenshot {
    transform: scale(1.05);
}

.interface-card:hover .zoom-overlay {
    opacity: 1;
}

.interface-card:hover .zoom-icon {
    transform: scale(1);
}

.interface-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.interface-title {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.interface-desc {
    font-family: 'Work Sans', sans-serif;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Minimal Mockup CSS Drawings (Adapt to dark theme palette) */
/* 1. Autenticação Mockup */
.auth-mock-box {
    width: 110px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
}

.auth-mock-field {
    height: 10px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

.auth-mock-btn {
    height: 12px;
    background-color: var(--accent);
    border-radius: 2px;
    margin-top: 2px;
}

/* 2. Painel de Ocorrências Mockup */
.panel-mock-box {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px 4px;
}

.panel-mock-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.panel-mock-metrics span {
    height: 18px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

.panel-mock-rows {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.panel-mock-row {
    height: 16px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    padding: 0 8px;
    display: flex;
    align-items: center;
}

.panel-mock-row:nth-child(even) {
    background-color: var(--bg-secondary);
}

.panel-mock-active {
    width: 24px;
    height: 4px;
    background-color: var(--accent);
    border-radius: 1px;
}

/* 3. Análise de Caso Mockup */
.case-mock-box {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 4px;
}

.case-mock-sla {
    height: 3px;
    background-color: var(--border-color);
    width: 100%;
    position: relative;
    border-radius: 1px;
    overflow: hidden;
}

.case-mock-sla::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 70%;
    background-color: var(--accent);
}

.case-mock-columns {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr;
    gap: 6px;
    flex: 1;
}

.case-mock-col {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.case-mock-col span {
    height: 3px;
    background-color: var(--border-color);
    border-radius: 1px;
    width: 100%;
}

.case-mock-col.col-center span {
    height: 10px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.case-mock-col.col-right {
    gap: 6px;
    align-items: center;
}

.case-mock-col.col-right span {
    width: 5px;
    height: 5px;
    background-color: var(--border-color);
    border-radius: 50%;
}

.case-mock-col.col-right .mock-dot-active {
    background-color: var(--accent);
}

.case-mock-actions {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
}

.case-mock-actions span {
    height: 12px;
    width: 28px;
    border-radius: 2px;
}

.mock-btn-active {
    background-color: var(--accent);
}

.mock-btn-danger {
    border: 1px solid #FF4D4D;
}

/* 4. Relatórios Mockup */
.reports-mock-box {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 4px;
}

.reports-mock-metrics {
    height: 14px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    width: 40px;
}

.reports-mock-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    flex: 1;
}

.reports-mock-bars {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    padding: 8px 4px;
}

.reports-mock-bars span {
    width: 5px;
    background-color: var(--accent);
    border-radius: 1px 1px 0 0;
}

.reports-mock-line {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.reports-sparkline {
    width: 100%;
    height: 100%;
    opacity: 0.9;
}

/* Design Principle Card Modifier */
.design-principle-card {
    border-top: 2px solid var(--accent) !important;
    border-left: none !important;
    padding: 24px !important;
}

/* Results text block spacing */
.results-text-block {
    margin-top: 32px;
}

/* Stacked Learnings Section */
.learnings-stack {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.learning-stack-block {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.learning-stack-number {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    flex-shrink: 0;
}

.learning-stack-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.learning-stack-title {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.learning-stack-desc {
    font-family: 'Work Sans', sans-serif;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Onbank Custom CSS Mockups & Grid */
.onbank-interfaces-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.onbank-mockup-area {
    background-color: #0D0D0D;
    height: 240px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    box-sizing: border-box;
}

.onbank-phone {
    width: 125px;
    height: 215px;
    background-color: var(--bg-secondary);
    border: 3px solid var(--border-color);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    padding: 8px 6px;
    box-sizing: border-box;
    position: relative;
    gap: 6px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    transition: border-color var(--transition-smooth);
}

.interface-card:hover .onbank-phone {
    border-color: var(--accent);
}

/* Phone screen content layout */
.onbank-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    overflow: hidden;
}

.onbank-screen-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.onbank-header {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 12px;
}

.onbank-back-icon {
    width: 4px;
    height: 4px;
    border-left: 1px solid var(--text-secondary);
    border-bottom: 1px solid var(--text-secondary);
    transform: rotate(45deg);
    margin-left: 2px;
}

.onbank-title-text {
    font-family: 'Work Sans', sans-serif;
    font-size: 7px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.onbank-divider {
    border-top: 1px solid var(--border-color);
    width: 100%;
}

/* Key Option Row */
.onbank-option-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.onbank-option-row {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    height: 18px;
    padding: 0 4px;
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
}

.onbank-option-row.active {
    border-color: rgba(220, 250, 55, 0.4);
}

.onbank-option-row.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--accent);
}

.onbank-option-circle {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--border-color);
    flex-shrink: 0;
}

.onbank-option-row.active .onbank-option-circle {
    background-color: var(--accent);
}

.onbank-option-line {
    width: 50px;
    height: 3px;
    background-color: var(--border-color);
    border-radius: 1px;
}

.onbank-option-row.active .onbank-option-line {
    background-color: var(--text-primary);
}

.onbank-option-chevron {
    margin-left: auto;
    width: 3px;
    height: 3px;
    border-right: 1px solid var(--text-secondary);
    border-bottom: 1px solid var(--text-secondary);
    transform: rotate(-45deg);
}

/* Keypad Grid layout */
.onbank-keypad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    margin-top: auto;
}

.onbank-keypad-key {
    background-color: var(--bg-surface);
    border-radius: 1px;
    height: 8px;
    border: 1px solid var(--border-color);
}

.onbank-btn-accent {
    background-color: var(--accent);
    color: var(--bg-primary);
    font-family: 'Work Sans', sans-serif;
    font-size: 6px;
    font-weight: 700;
    text-align: center;
    padding: 3px 0;
    border-radius: 2px;
    margin-top: auto;
    cursor: default;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.onbank-dest-info {
    font-family: 'Work Sans', sans-serif;
    font-size: 6px;
    color: var(--text-secondary);
    margin: 2px 0 0;
}

.onbank-value-large {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
    text-align: center;
    margin: auto 0;
}

/* Revision layout */
.onbank-revision-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.onbank-rev-row {
    display: flex;
    justify-content: space-between;
    font-family: 'Work Sans', sans-serif;
    font-size: 5px;
}

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

.onbank-rev-val {
    color: var(--text-primary);
    font-weight: 500;
}

.onbank-btn-group {
    display: flex;
    gap: 4px;
    margin-top: auto;
}

.onbank-btn-primary {
    flex: 1;
    background-color: var(--accent);
    color: var(--bg-primary);
    font-family: 'Work Sans', sans-serif;
    font-size: 5px;
    font-weight: 700;
    text-align: center;
    padding: 3px 0;
    border-radius: 2px;
}

.onbank-btn-secondary {
    flex: 1;
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    font-family: 'Work Sans', sans-serif;
    font-size: 5px;
    text-align: center;
    padding: 2px 0;
    border-radius: 2px;
}

/* Success layout */
.onbank-success-icon-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: auto 0;
}

.onbank-success-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid var(--accent);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--accent);
}

.onbank-success-check {
    width: 6px;
    height: 3px;
    border-left: 1.5px solid var(--accent);
    border-bottom: 1.5px solid var(--accent);
    transform: rotate(-45deg);
    margin-bottom: 1.5px;
}

.onbank-share-btn {
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: 'Work Sans', sans-serif;
    font-size: 6px;
    font-weight: 700;
    text-align: center;
    padding: 3px 0;
    border-radius: 2px;
    margin-top: auto;
}

/* Lightbox Mockup Slots & Zooms */
.lightbox-mockup-slot {
    display: none;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 450px;
    height: 450px;
    margin: 0 auto;
}

.lightbox-mockup-slot .onbank-mockup-area {
    background-color: transparent;
    border: none;
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-mockup-slot .onbank-phone {
    width: 220px;
    height: 380px;
    border-width: 5px;
    border-radius: 24px;
    padding: 16px 12px;
    gap: 12px;
}

.lightbox-mockup-slot .onbank-screen {
    gap: 12px;
}

.lightbox-mockup-slot .onbank-header {
    height: 24px;
    gap: 8px;
}

.lightbox-mockup-slot .onbank-back-icon {
    width: 8px;
    height: 8px;
    border-width: 2px;
}

.lightbox-mockup-slot .onbank-title-text {
    font-size: 13px;
}

.lightbox-mockup-slot .onbank-dest-info {
    font-size: 11px;
}

.lightbox-mockup-slot .onbank-value-large {
    font-size: 26px;
}

.lightbox-mockup-slot .onbank-option-list {
    gap: 8px;
}

.lightbox-mockup-slot .onbank-option-row {
    height: 36px;
    padding: 0 10px;
    border-radius: 6px;
}

.lightbox-mockup-slot .onbank-option-row::before {
    width: 4px;
}

.lightbox-mockup-slot .onbank-option-circle {
    width: 12px;
    height: 12px;
}

.lightbox-mockup-slot .onbank-option-line {
    width: 110px;
    height: 6px;
}

.lightbox-mockup-slot .onbank-option-chevron {
    width: 6px;
    height: 6px;
    border-width: 2px;
}

.lightbox-mockup-slot .onbank-keypad-grid {
    gap: 4px;
}

.lightbox-mockup-slot .onbank-keypad-key {
    height: 18px;
}

.lightbox-mockup-slot .onbank-btn-accent {
    font-size: 11px;
    padding: 8px 0;
    border-radius: 4px;
}

.lightbox-mockup-slot .onbank-revision-card {
    padding: 12px;
    gap: 8px;
}

.lightbox-mockup-slot .onbank-rev-row {
    font-size: 10px;
}

.lightbox-mockup-slot .onbank-btn-group {
    gap: 8px;
}

.lightbox-mockup-slot .onbank-btn-primary {
    font-size: 10px;
    padding: 8px 0;
    border-radius: 4px;
}

.lightbox-mockup-slot .onbank-btn-secondary {
    font-size: 10px;
    padding: 7px 0;
    border-radius: 4px;
    border-width: 1.5px;
}

.lightbox-mockup-slot .onbank-success-circle {
    width: 48px;
    height: 48px;
    border-width: 3px;
}

.lightbox-mockup-slot .onbank-success-check {
    width: 14px;
    height: 7px;
    border-width: 3px;
    margin-bottom: 3px;
}

.lightbox-mockup-slot .onbank-share-btn {
    font-size: 11px;
    padding: 8px 0;
    border-radius: 4px;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (Breakpoint: 768px)
   ========================================================================== */
@media (max-width: 768px) {
    /* Main Layout */
    .portfolio-container {
        flex-direction: column;
    }
    
    /* Reveal Mobile Header */
    .mobile-header {
        display: flex;
    }

    /* Transform left sidebar to sliding side drawer */
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        z-index: 110;
        transition: left var(--transition-smooth);
        padding-top: calc(var(--header-height-mobile) + 32px);
        box-shadow: 10px 0 40px rgba(0,0,0,0.8);
    }
    
    .sidebar.active {
        left: 0;
    }

    /* Offset Main Content below mobile header */
    .main-content {
        margin-left: 0;
        padding-top: calc(var(--header-height-mobile) + 40px);
        padding-bottom: 80px;
        padding-left: 20px;
        padding-right: 20px;
    }
    
    /* Adjust Project Titles & Headings for mobile sizing */
    .project-title {
        font-size: 28px !important;
        letter-spacing: -0.02em;
    }

    .project-subtitle {
        font-size: 16px;
    }
    
    .phase-title {
        font-size: 22px;
    }

    /* Metadata columns stacks vertically */
    .metadata-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    /* Documentary layout columns collapse to 1 column */
    .grid-2col {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-aside {
        position: static;
    }

    /* Principles side-by-side collapses to stack */
    .principles-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .principle-card {
        padding: 24px;
    }

    /* Metrics stacks vertically */
    .results-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .results-grid.single-card {
        max-width: 100%;
    }

    .metric-card {
        padding: 32px 24px;
    }

    .metric-number {
        font-size: 36px !important;
    }

    /* Spacing shrink on mobile */
    .section-divider {
        margin: 32px 0;
    }

    /* Grids collapse to single columns on mobile view */
    .goals-grid, .personas-grid, .interfaces-grid, .glossary-grid, .onbank-interfaces-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .journey-card {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }

    .journey-tracks {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .learning-stack-block {
        flex-direction: column;
        gap: 8px;
    }
}

/* ==========================================================================
   LIGHTBOX ZOOM SYSTEM
   ========================================================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
    padding: 40px;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: 32px;
    right: 32px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 40px;
    cursor: pointer;
    line-height: 1;
    transition: all var(--transition-fast);
    z-index: 1010;
}

.lightbox-close:hover {
    color: var(--accent);
    transform: scale(1.1) rotate(90deg);
}

.lightbox-content {
    max-width: 1200px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    transform: scale(0.95);
    transition: transform var(--transition-smooth);
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}

.lightbox-caption {
    text-align: center;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.lightbox-title {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.lightbox-desc {
    font-family: 'Work Sans', sans-serif;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Mobile modifications for Lightbox */
@media (max-width: 768px) {
    .lightbox {
        padding: 20px;
    }
    
    .lightbox-close {
        top: 16px;
        right: 20px;
        font-size: 32px;
    }
    
    .lightbox-img {
        max-height: 60vh;
    }
    
    .lightbox-title {
        font-size: 16px;
    }
    
    .lightbox-desc {
        font-size: 12px;
    }
}

/* ==========================================================================
   ABOUT PAGE ("SOBRE") PREMIUM STYLE EXTENSIONS
   ========================================================================== */

/* Biography Grid */
.about-bio-columns {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-bio-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-bio-text p {
    font-family: 'Work Sans', sans-serif;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Right Column Elements */
.about-right-col {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Designer Premium Portrait Photo */
.about-portrait-container {
    width: 100%;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    aspect-ratio: 1 / 1;
}

.about-portrait {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-smooth);
}

.about-portrait-container:hover .about-portrait {
    transform: scale(1.05);
}

/* Vertical Stats Block */
.about-stats-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-stat-item {
    background-color: var(--bg-surface);
    border-left: 2px solid var(--accent);
    padding: 16px 20px;
    border-radius: 0 4px 4px 0;
    transition: all var(--transition-fast);
}

.about-stat-item:hover {
    background-color: #242424;
    transform: translateX(4px);
}

.about-stat-number {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.1;
    margin-bottom: 4px;
}

.about-stat-label {
    font-family: 'Work Sans', sans-serif;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* SECTION 2: Cards Grid */
.about-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    background-color: var(--bg-surface);
    border-top: 2px solid var(--accent);
    padding: 24px;
    border-radius: 0 0 6px 6px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.about-card:hover {
    transform: translateY(-4px);
    background-color: #242424;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
}

.about-card-title {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.about-card-desc {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* SECTION 3: Atualmente Callout */
.about-callout {
    background-color: var(--bg-surface);
    border-left: 3px solid var(--accent);
    padding: 28px;
    border-radius: 0 6px 6px 0;
}

.about-callout-text {
    font-family: 'Work Sans', sans-serif;
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.8;
}

/* SECTION 4: Contatos */
.about-contact-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.about-contact-item {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.about-contact-label {
    color: var(--accent);
    font-weight: 600;
    margin-right: 12px;
    width: 80px;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.1em;
}

.about-contact-value {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.about-contact-value:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.about-footer-text {
    font-family: 'Work Sans', sans-serif;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ==========================================================================
   SOBRE PAGE RESPONSIVE MODIFICATIONS (Breakpoint: 768px)
   ========================================================================== */
@media (max-width: 768px) {
    .about-bio-columns {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .about-right-col {
        gap: 24px;
    }
    
    .about-portrait-container {
        max-width: 320px;
        margin: 0 auto;
    }
    
    .about-stats-stack {
        flex-direction: row;
        gap: 12px;
    }
    
    .about-stat-item {
        flex: 1;
        text-align: center;
        padding: 12px 8px;
        border-left: none;
        border-top: 2px solid var(--accent);
        border-radius: 0 0 4px 4px;
    }
    
    .about-stat-item:hover {
        transform: translateY(-2px);
    }
    
    .about-stat-number {
        font-size: 32px;
    }
    
    .about-stat-label {
        font-size: 10px;
    }
    
    .about-cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ==========================================================================
   PASSWORD WALL (BLOQUEIO POR SENHA) SYSTEM
   ========================================================================== */
.password-wall {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.password-wall-container {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 48px;
    width: 100%;
    max-width: 480px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.password-wall-container:hover {
    border-color: #3A3A3A;
}

.password-wall-icon {
    color: var(--accent);
    margin-bottom: 24px;
    display: inline-flex;
    justify-content: center;
}

.password-wall-title {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.password-wall-subtitle {
    font-family: 'Work Sans', sans-serif;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.password-wall-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.password-input-group {
    display: flex;
    gap: 12px;
}

.password-wall-input {
    flex: 1;
    font-family: 'Work Sans', sans-serif;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 16px;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.password-wall-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(220, 250, 55, 0.1);
}

.password-wall-btn {
    font-family: 'Work Sans', sans-serif;
    background-color: var(--accent);
    color: var(--bg-primary);
    border: none;
    padding: 14px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.password-wall-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.password-wall-btn:active {
    transform: translateY(0);
}

.password-wall-error {
    font-family: 'Work Sans', sans-serif;
    font-size: 13px;
    color: #FF5A5A;
    margin-top: 8px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 6px;
}

@media (max-width: 480px) {
    .password-wall-container {
        padding: 32px 20px;
    }
    
    .password-input-group {
        flex-direction: column;
        gap: 12px;
    }
    
    .password-wall-btn {
        width: 100%;
        padding: 14px;
    }
}