/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette */
    --bg-primary: hsl(224, 25%, 8%);
    --bg-secondary: hsl(222, 20%, 12%);
    --bg-card: rgba(30, 41, 59, 0.5);
    
    --accent-primary: hsl(263, 90%, 60%);
    --accent-primary-glow: hsla(263, 90%, 60%, 0.35);
    --accent-secondary: hsl(186, 100%, 45%);
    --accent-secondary-glow: hsla(186, 100%, 45%, 0.35);
    
    --text-bright: hsl(210, 40%, 98%);
    --text-normal: hsl(215, 20%, 80%);
    --text-muted: hsl(218, 12%, 60%);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-normal);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border: 2px solid var(--bg-primary);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Ambient Animated Background elements */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: floatOrb 25s infinite alternate ease-in-out;
}

.orb-1 {
    top: -10%;
    right: 10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    animation-duration: 30s;
}

.orb-2 {
    bottom: -10%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    animation-duration: 25s;
    animation-delay: -5s;
}

@keyframes floatOrb {
    0% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(5%, 10%) scale(1.1);
    }
    100% {
        transform: translate(-5%, -5%) scale(0.9);
    }
}

/* Typography & Layout Helpers */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-bright);
    font-weight: 600;
}

p {
    color: var(--text-normal);
    font-weight: 300;
}

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

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 24px;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-bright) 30%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(8, 12, 22, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--text-bright);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--accent-secondary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 6px 0;
}

nav a:hover, nav a.active {
    color: var(--text-bright);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: var(--transition-smooth);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-bright);
    transition: var(--transition-smooth);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.5);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-text h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-text h1 span.gradient-text {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-bright);
    margin-bottom: 18px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 580px;
}

.btn-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, hsl(263, 85%, 50%) 100%);
    color: var(--text-bright);
    box-shadow: 0 4px 20px var(--accent-primary-glow);
}

.btn-primary:hover {
    box-shadow: 0 4px 30px rgba(124, 58, 237, 0.6);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-shape-container {
    width: 350px;
    height: 350px;
    position: relative;
}

.hero-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px dashed rgba(255, 255, 255, 0.05);
    animation: rotateCircle 40s linear infinite;
}

.hero-inner-circle {
    position: absolute;
    top: 15%;
    left: 15%;
    width: 70%;
    height: 70%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-core {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    border-radius: 50%;
    box-shadow: 0 0 40px var(--accent-secondary-glow);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-bright);
    font-size: 2rem;
    animation: pulseCore 4s infinite ease-in-out;
}

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

@keyframes pulseCore {
    0%, 100% { transform: scale(1); box-shadow: 0 0 40px var(--accent-secondary-glow); }
    50% { transform: scale(1.08); box-shadow: 0 0 60px var(--accent-primary-glow); }
}

/* About / Biography Section */
.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.about-info h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    color: var(--text-bright);
}

.about-info p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.about-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.metric-card {
    text-align: center;
    padding: 24px;
}

.metric-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-secondary);
    font-family: var(--font-heading);
    margin-bottom: 6px;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

.research-pillars {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pillar-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.pillar-icon {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-secondary);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.pillar-content h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.pillar-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* AI-SRF Framework Section */
.framework-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.framework-visual {
    position: relative;
    width: 100%;
}

.framework-stages-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stage-nav-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.stage-nav-item:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.stage-nav-item.active {
    border-color: var(--accent-primary);
    background: linear-gradient(90deg, rgba(124, 58, 237, 0.1) 0%, transparent 100%);
    box-shadow: inset 3px 0 0 var(--accent-primary);
}

.stage-num {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-muted);
    width: 32px;
}

.stage-nav-item.active .stage-num {
    color: var(--accent-primary);
}

.stage-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-bright);
}

.stage-icon {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition-smooth);
}

.stage-nav-item.active .stage-icon {
    color: var(--accent-secondary);
    transform: rotate(90deg);
}

/* Framework Details Card */
.framework-detail-card {
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stage-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 24px;
}

.stage-meta {
    font-size: 0.85rem;
    color: var(--accent-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.stage-header h3 {
    font-size: 2.2rem;
    font-weight: 700;
}

.stage-desc {
    font-size: 1.05rem;
    color: var(--text-normal);
    margin-bottom: 24px;
}

.stage-pillars-box {
    margin-bottom: 24px;
}

.stage-pillars-box h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.stage-pillars-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.stage-pillar-tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-bright);
}

.stage-prompt-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    position: relative;
}

.stage-prompt-box h4 {
    font-size: 0.85rem;
    color: var(--accent-secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stage-prompt-text {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    color: var(--text-normal);
    line-height: 1.5;
    white-space: pre-wrap;
}

.copy-prompt-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.copy-prompt-btn:hover {
    color: var(--text-bright);
}

/* Sandbox Simulator Section */
.sandbox-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.sandbox-progress-bar {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 40px;
}

.sandbox-progress-line {
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--border-color);
    z-index: 1;
}

.sandbox-progress-fill {
    position: absolute;
    top: 20px;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    z-index: 2;
    transition: var(--transition-smooth);
}

.progress-step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-muted);
    z-index: 3;
    transition: var(--transition-smooth);
    position: relative;
}

.progress-step.active {
    border-color: var(--accent-secondary);
    color: var(--text-bright);
    box-shadow: 0 0 15px var(--accent-secondary-glow);
}

.progress-step.completed {
    border-color: var(--accent-primary);
    background: var(--accent-primary);
    color: var(--text-bright);
}

.progress-step-label {
    position: absolute;
    top: 48px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    text-transform: uppercase;
    color: var(--text-muted);
    transform: translateX(-35%);
}

.progress-step.active .progress-step-label {
    color: var(--text-bright);
}

.sandbox-step-panel {
    display: none;
    animation: fadeIn 0.4s ease-in-out forwards;
}

.sandbox-step-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Step 1 Specific Styles: Cynefin Selector */
.sandbox-label {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 12px;
    display: block;
}

.sandbox-input {
    width: 100%;
    padding: 16px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-bright);
    font-family: var(--font-body);
    font-size: 1rem;
    margin-bottom: 28px;
    transition: var(--transition-smooth);
    resize: vertical;
}

.sandbox-input:focus {
    border-color: var(--accent-secondary);
    outline: none;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
}

.cynefin-selector-label {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 16px;
    display: block;
}

.cynefin-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.cynefin-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.cynefin-card:hover {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.04);
}

.cynefin-card.selected {
    border-width: 2px;
}

/* Custom Domain Colors for Cynefin */
.cynefin-card[data-domain="obvious"].selected {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.08);
}
.cynefin-card[data-domain="complicated"].selected {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.08);
}
.cynefin-card[data-domain="complex"].selected {
    border-color: #8b5cf6;
    background: rgba(139, 92, 246, 0.08);
}
.cynefin-card[data-domain="chaotic"].selected {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}

.domain-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.cynefin-card[data-domain="obvious"] .domain-dot { background-color: #10b981; }
.cynefin-card[data-domain="complicated"] .domain-dot { background-color: #3b82f6; }
.cynefin-card[data-domain="complex"] .domain-dot { background-color: #8b5cf6; }
.cynefin-card[data-domain="chaotic"] .domain-dot { background-color: #ef4444; }

.cynefin-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
}

.cynefin-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.disorder-note {
    grid-column: span 2;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px dashed var(--border-color);
    padding-top: 16px;
}

/* Step 2 Styles: First Principles Breakdown */
.first-principles-box {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.sandbox-info-panel {
    background: rgba(6, 182, 212, 0.05);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.info-panel-icon {
    font-size: 1.4rem;
    color: var(--accent-secondary);
}

.info-panel-content h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-bright);
}

.info-panel-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Step 4 Styles: Scorecard */
.scorecard-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 28px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.scorecard-table th, .scorecard-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.scorecard-table th {
    background: rgba(0, 0, 0, 0.15);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-bright);
}

.score-select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-bright);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.score-select:focus {
    border-color: var(--accent-secondary);
}

/* Step 5 Styles: Summary & Export */
.summary-container {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 28px;
}

.summary-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 14px;
    margin-bottom: 18px;
}

.summary-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-bright);
}

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

.summary-item h5 {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.summary-item p {
    font-size: 0.95rem;
    color: var(--text-bright);
}

.summary-item-full {
    grid-column: span 2;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
}

/* Sandbox Nav Buttons */
.sandbox-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
}

/* Publications Grid */
.publications-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.pub-card {
    padding: 28px;
    position: relative;
    border-left: 4px solid var(--accent-primary);
}

.pub-tag {
    font-size: 0.75rem;
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(139, 92, 246, 0.2);
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 12px;
}

.pub-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-bright);
}

.pub-authors {
    font-size: 0.9rem;
    color: var(--text-normal);
    margin-bottom: 6px;
}

.pub-journal {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 16px;
}

.pub-abstract {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.pub-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pub-link:hover {
    color: var(--text-bright);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: center;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.contact-details h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.contact-details p {
    font-size: 1.05rem;
    color: var(--text-bright);
    font-weight: 500;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.social-icon:hover {
    color: var(--text-bright);
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-bright);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    border-color: var(--accent-primary);
    outline: none;
    box-shadow: 0 0 10px rgba(124, 58, 237, 0.15);
}

textarea.form-input {
    resize: vertical;
    min-height: 140px;
}

/* Footer styling */
footer {
    border-top: 1px solid var(--border-color);
    background: rgba(8, 12, 22, 0.8);
    padding: 40px 24px;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-bright);
    font-size: 1.2rem;
}

.footer-logo span {
    color: var(--accent-secondary);
}

.footer-copy {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-text h1 {
        font-size: 3.2rem;
    }
    .hero-desc {
        margin: 0 auto 30px;
    }
    .btn-group {
        justify-content: center;
    }
    .hero-visual {
        order: -1;
    }
    .about-grid, .framework-layout, .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    .nav-container {
        padding: 16px 20px;
    }
    nav ul {
        display: none; /* Mobile menu toggling would be handled in JS */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(8, 12, 22, 0.95);
        backdrop-filter: blur(16px);
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        gap: 20px;
    }
    nav ul.open {
        display: flex;
    }
    .menu-toggle {
        display: flex;
    }
    .section-title {
        font-size: 2.2rem;
    }
    .sandbox-card {
        padding: 24px;
    }
    .cynefin-grid {
        grid-template-columns: 1fr;
    }
    .disorder-note {
        grid-column: span 1;
    }
    .sandbox-progress-bar {
        margin-bottom: 30px;
    }
    .progress-step-label {
        display: none;
    }
    .summary-grid {
        grid-template-columns: 1fr;
    }
    .summary-item-full {
        grid-column: span 1;
    }
    .footer-content {
        flex-direction: column;
        gap: 16px;
    }
}