@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 System */
    --bg-dark: #030712;
    --bg-card: rgba(15, 23, 42, 0.45);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(99, 102, 241, 0.4);
    
    /* Brand Colors */
    --color-primary: #6366f1; /* Indigo */
    --color-primary-glow: rgba(99, 102, 241, 0.15);
    --color-secondary: #a855f7; /* Violet */
    --color-secondary-glow: rgba(168, 85, 247, 0.15);
    --color-accent: #10b981; /* Emerald success theme */
    --color-accent-glow: rgba(16, 185, 129, 0.15);
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 16px;
    --transition-speed: 0.3s;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Gradients & Effects */
.bg-glow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.bg-glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: drift 25s infinite alternate ease-in-out;
}

.blob-indigo {
    top: -10%;
    right: 5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 80%);
}

.blob-purple {
    bottom: -10%;
    left: 5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-secondary) 0%, transparent 80%);
    animation-delay: -5s;
}

.blob-teal {
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 80%);
    animation-delay: -10s;
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
    mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
    -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
    pointer-events: none;
}

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

/* Custom Cursor Follow Glow */
#mouse-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    z-index: -1;
    transform: translate(-50%, -50%);
    pointer-events: none;
    transition: width 0.3s, height 0.3s;
    opacity: 0;
}

body:hover #mouse-glow {
    opacity: 1;
}

/* Typography & Layout Helpers */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: 3.5rem;
    line-height: 1.15;
}

h2 {
    font-size: 2.25rem;
    line-height: 1.25;
    margin-bottom: 1rem;
}

p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.text-gradient-primary {
    background: linear-gradient(135deg, #a5b4fc 0%, #c084fc 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-accent {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Glassmorphism Class */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
}

.glass-panel:hover {
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 1px 1px rgba(99, 102, 241, 0.1) inset;
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(3, 7, 18, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-speed);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-body);
    width: 100%;
    justify-content: center;
    border: none;
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 20px -2px rgba(99, 102, 241, 0.3);
}

.btn:hover {
    background: #4f46e5;
    transform: translateY(-1px);
    box-shadow: 0 6px 24px -2px rgba(99, 102, 241, 0.5);
}

.btn-primary {
    border-radius: 9999px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    width: auto;
    box-shadow: 0 4px 20px -2px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
    box-shadow: 0 6px 24px -2px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    width: auto;
    box-shadow: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: none;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem 0;
    text-align: center;
    position: relative;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    border-radius: 9999px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-subtitle {
    max-width: 650px;
    margin: 1.5rem auto 2.5rem auto;
    font-size: 1.25rem;
}

.hero-ctas {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
}

/* Interactive Sandbox & Mock Browser Windows */
.playground-section {
    padding: 5rem 0;
}

.playground-title-wrapper {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-label {
    color: #a855f7;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    display: block;
}

.playground-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
    align-items: stretch;
}

/* Mockup Browser Window Frame */
.mockup-window-frame {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 540px; /* Synchronized matching height */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    background: rgba(15, 23, 42, 0.55);
}

.browser-header {
    display: grid;
    grid-template-columns: 80px 1fr 80px;
    align-items: center;
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    user-select: none;
    flex-shrink: 0;
}

.browser-dots {
    display: flex;
    gap: 0.45rem;
}

.browser-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.browser-address {
    text-align: center;
    font-family: monospace;
    font-size: 0.78rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.35rem 1rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Left Iframe viewport */
.vault-mockup-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    flex-grow: 1;
}

/* Right Web Portal Viewport */
.browser-content {
    flex-grow: 1;
    overflow-y: auto;
    background: #0f172a; /* Slate 900 matching real app core bg */
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mockup-target-container {
    padding: 2.25rem 2rem;
}

.mock-portal-state {
    display: none;
    animation: stateFadeIn 0.3s ease-out forwards;
}

.mock-portal-state.active {
    display: block;
}

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

.portal-header {
    margin-bottom: 2rem;
    text-align: left;
}

.portal-badge {
    font-size: 0.7rem;
    font-weight: 700;
    color: #60a5fa;
    border: 1px solid rgba(96, 165, 250, 0.2);
    background: rgba(96, 165, 250, 0.05);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    letter-spacing: 0.05em;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.portal-header h3 {
    font-size: 1.45rem;
    margin-bottom: 0.5rem;
}

.portal-header p {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* Inputs & Form Groups */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: white;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-speed);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.btn-portal-login {
    background: #2563eb;
    margin-top: 1rem;
    box-shadow: 0 4px 15px -2px rgba(37, 99, 235, 0.3);
    border-radius: 8px;
}

.btn-portal-login:hover {
    background: #1d4ed8;
    box-shadow: 0 6px 20px -2px rgba(37, 99, 235, 0.5);
}

.form-feedback-msg {
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 1rem;
    display: none;
}

.form-feedback-msg.error {
    display: block;
    color: #f87171;
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Success Dashboards */
.success-graphic {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.checkmark-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
    animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes scaleIn {
    from { transform: scale(0.6); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.checkmark-circle svg {
    filter: drop-shadow(0 0 5px rgba(16, 185, 129, 0.5));
}

.success-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 1.75rem;
}

.mockup-target-container h3 {
    text-align: center;
}

.mockup-target-container #mock-portal-success h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.mock-dashboard-preview {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    gap: 1.25rem;
    justify-content: space-around;
    margin-bottom: 2rem;
}

.dashboard-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.metric-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.metric-val {
    font-weight: 700;
    font-size: 1rem;
}

/* Custom highlight for Master Password in demo description */
.highlight-password {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--text-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-weight: 600;
    white-space: nowrap;
    display: inline-block;
    margin-left: 4px;
}

.highlight-password code {
    color: var(--text-secondary);
    font-weight: 700;
    background: transparent;
    padding: 0;
}

/* Differentiated styles for the Fake Email Portal mock browser frame (Right) */
#mockup-frame-right {
    background: rgba(24, 24, 27, 0.65); /* Dark gray Zinc background instead of Slate */
    border-color: rgba(255, 255, 255, 0.05);
}

#mockup-frame-right:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
}

#mockup-frame-right .browser-header {
    background: rgba(18, 18, 18, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#mockup-frame-right .browser-address {
    background: rgba(0, 0, 0, 0.55);
    border-color: rgba(255, 255, 255, 0.05);
    color: #a1a1aa; /* Gray address bar text */
}

#mockup-frame-right .browser-content {
    background: #18181b; /* Dark gray Zinc-900 instead of Slate-900 */
}

#mockup-frame-right .portal-badge {
    color: #a1a1aa;
    border-color: rgba(161, 161, 170, 0.2);
    background: rgba(161, 161, 170, 0.05);
}

#mockup-frame-right .form-control {
    background: rgba(0, 0, 0, 0.45);
    border-color: rgba(255, 255, 255, 0.05);
}

#mockup-frame-right .form-control:focus {
    border-color: #52525b; /* Neutral dark focus color */
    box-shadow: 0 0 10px rgba(82, 82, 91, 0.25);
}

#mockup-frame-right .btn-portal-login {
    background: #27272a; /* Neutral dark gray button */
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 15px -2px rgba(0, 0, 0, 0.4);
}

#mockup-frame-right .btn-portal-login:hover {
    background: #3f3f46;
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 6px 20px -2px rgba(0, 0, 0, 0.5);
}

/* Feature Cards Grid */
.features-section {
    padding: 6rem 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 3.5rem;
}

.feature-card {
    padding: 2.5rem 2rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: all var(--transition-speed);
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--color-primary);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
}

.feature-card h3 {
    font-size: 1.35rem;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Architecture Explainer */
.architecture-section {
    padding: 6rem 0;
    text-align: center;
}

.architecture-tabs-nav {
    display: inline-flex;
    gap: 0.5rem;
    padding: 0.35rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    margin-bottom: 3.5rem;
}

.tab-btn {
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    font-family: var(--font-body);
}

.tab-btn.active {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.architecture-content {
    min-height: 380px;
    position: relative;
}

.tab-panel {
    display: none;
    animation: stateFadeIn 0.5s ease-out;
}

.tab-panel.active {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    text-align: left;
    align-items: center;
}

.panel-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.panel-info p {
    margin-bottom: 1.5rem;
}

.panel-info ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.panel-info li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.panel-info li svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.panel-visual {
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Diagram Styles */
.diagram-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.diagram-node {
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    font-family: monospace;
    font-size: 0.85rem;
    text-align: center;
    color: var(--text-secondary);
    min-width: 180px;
}

.diagram-node.active {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
}

.diagram-node.accent {
    border-color: var(--color-accent);
    background: rgba(16, 185, 129, 0.05);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.15);
}

.diagram-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
}

.diagram-arrow svg {
    width: 20px;
    height: 20px;
}

.diagram-arrow-text {
    font-size: 0.75rem;
    margin-top: -0.25rem;
}

/* Call To Action Footer Card */
.cta-section {
    padding: 6rem 0;
}

.cta-card {
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

.cta-card h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-card p {
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
    font-size: 1.15rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Toast System */
.toast-container {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 1000;
    pointer-events: none;
}

.toast-message {
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--color-accent);
    color: #a7f3d0;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    animation: toastSlideUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes toastSlideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer styling */
footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    text-align: center;
    background: rgba(3, 7, 18, 0.4);
}

.footer-logo-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
    margin-bottom: 1.5rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

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

.copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.75rem;
    }
    
    .playground-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .mockup-window-frame {
        height: 480px; /* Slightly shorter on tablet */
    }
    
    .tab-panel.active {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .panel-visual {
        order: -1;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .hero-ctas .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .nav-links {
        display: none;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}