/* Core Design System & Theme Variables */
:root {
    --bg-base: hsl(240, 10%, 3.9%);
    --bg-surface: rgba(20, 20, 25, 0.5);
    --bg-surface-hover: rgba(30, 30, 38, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(240, 5%, 65%);
    --text-muted: hsl(240, 5%, 45%);
    
    --color-primary: hsl(250, 95%, 65%);
    --color-primary-glow: hsla(250, 95%, 65%, 0.15);
    --color-secondary: hsl(190, 95%, 55%);
    --color-accent: hsl(300, 85%, 60%);
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --glow-1: hsla(250, 95%, 65%, 0.18);
    --glow-2: hsla(190, 95%, 55%, 0.12);
    --glow-3: hsla(300, 85%, 60%, 0.12);
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
}

/* Light Theme Variables */
.light-theme {
    --bg-base: hsl(240, 15%, 97%);
    --bg-surface: rgba(255, 255, 255, 0.65);
    --bg-surface-hover: rgba(255, 255, 255, 0.85);
    --border-color: rgba(0, 0, 0, 0.06);
    --border-color-hover: rgba(0, 0, 0, 0.12);
    
    --text-primary: hsl(240, 10%, 10%);
    --text-secondary: hsl(240, 5%, 35%);
    --text-muted: hsl(240, 5%, 55%);
    
    --color-primary: hsl(250, 85%, 55%);
    --color-primary-glow: hsla(250, 85%, 55%, 0.1);
    --color-secondary: hsl(195, 90%, 45%);
    --color-accent: hsl(310, 75%, 50%);
    
    --glow-1: hsla(250, 85%, 55%, 0.08);
    --glow-2: hsla(195, 90%, 45%, 0.06);
    --glow-3: hsla(310, 75%, 50%, 0.06);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Background Glow Orbs */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.orb-1 {
    top: -10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: var(--glow-1);
    animation: floatOrb 25s infinite alternate ease-in-out;
}

.orb-2 {
    bottom: -10%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: var(--glow-2);
    animation: floatOrb 30s infinite alternate-reverse ease-in-out;
}

.orb-3 {
    top: 40%;
    left: 20%;
    width: 35vw;
    height: 35vw;
    background: var(--glow-3);
    animation: floatOrb 20s infinite alternate ease-in-out;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 80px) scale(1.1); }
}

/* Typography & Links */
h1, h2, h3, h4 {
    font-family: var(--font-sans);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

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

/* Helper Classes */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(12px);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(110, 68, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(110, 68, 255, 0.4);
    background: hsl(250, 95%, 70%);
}

.btn-secondary {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    backdrop-filter: blur(12px);
}

.btn-secondary:hover {
    background: var(--bg-surface-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

.btn-tertiary {
    background: transparent;
    color: var(--text-secondary);
}

.btn-tertiary:hover {
    color: var(--text-primary);
}

.btn-block {
    width: 100%;
}

/* Header & Nav Styling */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(10, 10, 12, 0.2);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    letter-spacing: 0.1em;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-secondary);
}

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

#theme-toggle {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    width: 44px;
    height: 44px;
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

#theme-toggle:hover {
    border-color: var(--border-color-hover);
    background: var(--bg-surface-hover);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* Hero Section */
#hero {
    padding: 160px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 3.5rem;
}

.hero-metrics {
    display: flex;
    gap: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

/* Hero Interactive Visual Dashboard */
.hero-visual {
    position: relative;
}

.glass-dashboard {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    transition: var(--transition-smooth);
}

.glass-dashboard:hover {
    border-color: var(--border-color-hover);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 40px var(--color-primary-glow);
}

.dashboard-header {
    background: rgba(0, 0, 0, 0.2);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

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

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

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #eab308; }
.dot.green { background-color: #22c55e; }

.dashboard-title {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.pulse {
    width: 6px;
    height: 6px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
    animation: pulsing 2s infinite;
}

@keyframes pulsing {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

.dashboard-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.widget-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 20px;
}

.widget {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.widget h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.focus-timer {
    align-items: center;
}

.timer-display {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 8px 0;
    font-variant-numeric: tabular-nums;
}

.btn-widget {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-widget:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.productivity-metric {
    align-items: center;
}

.gauge-container {
    position: relative;
    width: 70px;
    height: 70px;
}

.gauge {
    width: 100%;
    height: 100%;
}

.gauge-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 8;
}

.gauge-val {
    fill: none;
    stroke: var(--color-secondary);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.6s ease;
}

.gauge-text {
    position: absolute;
    top: 55%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.quick-notes textarea {
    width: 100%;
    height: 70px;
    background: transparent;
    border: none;
    resize: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    margin: 8px 0;
}

.textarea-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Features Section */
#features {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.5rem;
    max-width: 700px;
    margin: 0 auto 16px;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-color-hover);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3), 0 0 20px var(--color-primary-glow);
}

.icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: var(--color-primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 24px;
    border: 1px solid rgba(110, 68, 255, 0.25);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Experience Section */
#experience {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.experience-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.experience-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.experience-content p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 2rem;
}

.phil-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.phil-list li {
    display: flex;
    gap: 16px;
}

.phil-list li i {
    color: var(--color-secondary);
    font-size: 1.2rem;
    margin-top: 4px;
}

.phil-list li div {
    display: flex;
    flex-direction: column;
}

.phil-list li strong {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.phil-list li span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.experience-showcase {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.quote-text {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 24px;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.25rem;
    border: 1px solid rgba(110, 68, 255, 0.2);
}

.author-name {
    font-weight: 600;
}

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

/* Contact / Waitlist Section */
#contact {
    padding: 120px 24px;
    display: flex;
    justify-content: center;
}

.contact-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 60px 40px;
    max-width: 540px;
    width: 100%;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    text-align: center;
    position: relative;
    transition: var(--transition-smooth);
}

.contact-box:hover {
    border-color: var(--border-color-hover);
}

.contact-header {
    margin-bottom: 40px;
}

.contact-header h2 {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.contact-header p {
    color: var(--text-secondary);
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    transition: opacity 0.3s ease;
}

.input-group {
    position: relative;
    width: 100%;
}

.input-group input {
    width: 100%;
    padding: 16px 20px 16px 48px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-smooth);
}

.input-group input:focus, .input-group input:not(:placeholder-shown) {
    border-color: var(--color-primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.input-group label {
    position: absolute;
    left: 48px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label {
    top: 0;
    left: 15px;
    transform: translateY(-50%) scale(0.85);
    background: var(--bg-base);
    padding: 0 8px;
    color: var(--color-primary);
}

.input-group i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.input-group input:focus ~ i {
    color: var(--color-primary);
}

/* Form Success State */
.hidden {
    display: none !important;
}

.success-message {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: scaleUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.success-message i {
    font-size: 3.5rem;
    color: #10b981;
    margin-bottom: 20px;
}

.success-message h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.success-message p {
    color: var(--text-secondary);
}

@keyframes scaleUp {
    0% { transform: scale(0.9); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Footer Section */
footer {
    border-top: 1px solid var(--border-color);
    background: rgba(10, 10, 12, 0.4);
    backdrop-filter: blur(12px);
    margin-top: auto;
    padding: 60px 24px 30px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    gap: 40px;
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

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

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column ul a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-column ul a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.socials {
    display: flex;
    gap: 20px;
}

.socials a {
    font-size: 1.25rem;
    color: var(--text-muted);
}

.socials a:hover {
    color: var(--text-primary);
}

/* Responsiveness Settings */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-metrics {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 580px;
        margin: 0 auto;
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 768px) {
    #hero {
        padding-top: 120px;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        gap: 40px;
        justify-content: space-between;
    }
    
    .nav-links {
        display: none; /* Mobile menu behavior can be added */
    }
    
    .nav-actions {
        margin-left: auto;
        margin-right: 16px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
}