:root {
    --primary-color: #6366f1;
    --secondary-color: #4f46e5;
    --background-color: #0f172a;
    --text-color: #e2e8f0;
    --accent-color: #818cf8;
    --card-background: rgba(30, 41, 59, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

body {
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(135deg, #101624 0%, #1b233d 100%);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
}

/* Custom Cursor */
.cursor {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform-origin: center;
    will-change: transform;
    left: 0;
    top: 0;
    transform: translate(-50%, -50%);
}

.cursor::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.2;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.2;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.2;
    }
}

.trail-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
}

.trail-path {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.6s ease, width 0.3s ease, height 0.3s ease;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.download-link {
    background: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.download-link:hover {
    transform: translateY(-2px);
    background: var(--secondary-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
    font-weight: 500;
}

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

.cta-primary {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    background: var(--primary-color);
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
    background: var(--secondary-color);
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
}

/* Download CTA Section */
.download-cta {
    padding: 6rem 2rem;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--card-background);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.download-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.download-cta p {
    margin-bottom: 2rem;
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* Footer */
footer {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    margin-top: 4rem;
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .cta-buttons {
        justify-content: center;
    }

    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        display: flex;
        gap: 1rem;
    }

    .nav-links a {
        margin-left: 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-links {
        display: flex;
        gap: 1rem;
        justify-content: center;
    }

    .footer-links a {
        margin-left: 0;
    }
}

/* Feature Demo Styles */
.feature-demo {
    margin-top: 1.5rem;
    position: relative;
    overflow: hidden;
}

.demo-input-container {
    position: relative;
    margin-bottom: 0.5rem;
}

.demo-input {
    width: 100%;
    padding: 0.6rem 0.75rem 0.6rem 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    line-height: 1.4;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    cursor: default;
    height: 42px;
    display: flex;
    align-items: center;
    position: relative;
}

.demo-cursor {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 15px;
    background: var(--primary-color);
    animation: blink 1s infinite;
    left: 12px;
    pointer-events: none;
    margin-top: 0.5px;
}

.demo-date-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.demo-date-badge.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* Task Group Demo Styles */
.task-group-demo {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;
    position: relative;
}

.demo-task {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 0.75rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.demo-task.selected {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.demo-task-group {
    position: absolute;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s ease;
}

.demo-task-group.visible {
    opacity: 1;
}

.task-content {
    position: relative;
    z-index: 1;
    font-size: 0.9rem;
}

.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--primary-color);
    opacity: 0.2;
    transition: width 0.8s ease;
}

.progress-bar.active {
    width: 100%;
}

.progress-bar:not(.active) {
    transition: none;
    width: 0;
}

.mock-cursor {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.7;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.mock-cursor.clicking {
    transform: translate(-50%, -50%) scale(0.6);
    opacity: 0.9;
    background: var(--accent-color);
}

.mock-cursor.dragging-cursor {
    opacity: 0.9;
    background: var(--accent-color);
}

/* Task Reorder Demo Styles */
.task-reorder-demo {
    position: relative;
    padding: 0.5rem;
    min-height: 150px;
}

.reorder-task-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.reorder-task {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 0.75rem;
    position: relative;
    cursor: grab;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.reorder-task.dragging {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
    opacity: 0.7;
    cursor: grabbing;
    z-index: 10;
}

/* Subtask Demo Styles */
.subtask-demo {
    position: relative;
    padding: 0.5rem;
    min-height: 200px; /* Adjust as needed */
}

.main-task-container {
    position: relative;
}

.demo-task.main-task {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    margin-bottom: 0.4rem;
    cursor: default;
    min-height: unset;
}

.task-content-wrapper {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 0.4rem;
    min-height: 1.8em;
}

.subtask-toggle {
    margin-left: auto;
}

.subtask-toggle.expanded {
    transform: rotate(180deg);
}

.subtask-counter {
    font-size: 0.75rem;
    color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5em;
    height: 1.5em;
    margin: 0 0.2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    align-self: center;
    line-height: 1;
    padding: 0;
    box-sizing: border-box;
}

.subtask-counter.visible {
    opacity: 1;
}

.subtasks-container {
    margin-left: 1rem; /* Indent subtasks */
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.5s ease-in-out, opacity 0.5s ease-in-out;
    opacity: 0;
}

.subtasks-container.expanded {
    max-height: 200px; /* Adjust based on potential number of subtasks */
    opacity: 1;
}

.demo-subtask {
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    padding: 0.5rem 0.75rem;
    margin-top: 0.25rem;
    opacity: 0;
    transform: translateY(-10px);
    /* GSAP will handle reveal animation */
}

/* Mock cursor for this demo might need specific positioning adjustments */
.subtask-demo .mock-cursor {
    /* Default mock-cursor styles apply, can add specifics if needed */
}

/* Due Date Demo Styles */
.due-date-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem;
}

.calendar-widget {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
    max-width: 240px;
}

.calendar-header {
    text-align: center;
    margin-bottom: 0.3rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.15rem;
    text-align: center;
}

.day-name {
    font-size: 0.7rem;
    color: var(--accent-color);
    font-weight: 500;
}

.day {
    font-size: 0.75rem;
    padding: 0.2rem;
    border-radius: 3px;
    cursor: default;
    transition: background-color 0.2s ease;
}

.day.prev-month,
.day.next-month {
    color: rgba(226, 232, 240, 0.4);
}

.day.selected {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.day:not(.prev-month):not(.next-month):not(.selected):hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.calendar-footer {
    margin-top: 0.2rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--accent-color);
    opacity: 0.85;
    padding-top: 0.2rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.due-label {
    font-size: 0.75rem;
    color: var(--accent-color);
    margin-right: 0.2rem;
}

.due-date-text,
.due-time-text {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-color);
}

.at-label {
    font-size: 0.7rem;
    color: var(--accent-color);
    margin: 0 0.15rem;
}

/* Remove the old .due-time-display styles */
.due-time-display { display: none; }

/* Reminder Demo Styles */
.reminder-demo {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem 0.25rem;
    align-items: flex-start;
    min-width: 180px;
}

.reminder-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95em;
}

.reminder-label {
    color: var(--accent-color);
    font-size: 0.85em;
    min-width: 60px;
    font-weight: 500;
}

.reminder-time, .reminder-frequency {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95em;
}

.reminder-days {
    display: flex;
    gap: 0.2rem;
    margin-left: 0.2rem;
}

.reminder-day {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.6em;
    height: 1.6em;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    color: var(--text-color);
    font-size: 0.85em;
    font-weight: 500;
    border: 1.5px solid transparent;
    transition: background 0.2s, color 0.2s, border 0.2s;
}

.reminder-day.selected {
    background: var(--primary-color);
    color: #fff;
    border: 1.5px solid var(--primary-color);
}

.days-row {
    margin-top: 0.1rem;
}

/* Theme Demo Styles */
.theme-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    padding: 0.5rem 0.25rem;
}

.theme-switcher {
    display: flex;
    gap: 0.5rem;
}

.theme-btn {
    background: none;
    border: 1.5px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 6px;
    padding: 0.3rem 1.1rem;
    font-family: inherit;
    font-size: 0.95em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.theme-btn.active,
.theme-btn:hover {
    background: var(--primary-color);
    color: #fff;
}

.theme-preview {
    width: 180px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px 0 rgba(0,0,0,0.10);
    border: 1.5px solid rgba(255,255,255,0.08);
    background: #181f36;
    transition: background 0.3s, border 0.3s;
}
.theme-preview.light {
    background: #f6f7fa;
    border: 1.5px solid #e0e7ef;
}

.theme-preview-header {
    padding: 0.7rem 1rem 0.5rem 1rem;
    font-size: 1em;
    font-weight: 700;
    color: var(--primary-color);
    background: none;
}
.theme-preview.light .theme-preview-header {
    color: #6366f1;
}

.theme-preview-task {
    margin: 0.3rem 1rem 0.6rem 1rem;
    height: 1.2em;
    border-radius: 5px;
    background: rgba(255,255,255,0.08);
    position: relative;
}
.theme-preview-task + .theme-preview-task {
    margin-top: 0.5rem;
}
.theme-preview.light .theme-preview-task {
    background: #e0e7ef;
}