/* Pinned Stacked Features Section Styles */
:root {
    --features-card-width: 380px;
    --features-card-height: 460px;
}

.features-pinned-wrapper {
    position: relative;
    width: 100%;
    /* 4 cards, so we make it 400vh for a spacious scroll track */
    height: 400vh;
    background: transparent;
}

.features-sticky-container {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.features-grid-split {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 4rem;
    width: 100%;
    height: 100%;
    padding-top: 80px; /* Accounts for navbar */
    padding-bottom: 40px;
}

/* Left Column Styling */
.features-left-col {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.features-left-col .section-tag {
    align-self: center;
    text-align: center;
}

.features-text-stack {
    position: relative;
    width: 100%;
    height: 380px; /* Constrain height to prevent shifts */
    margin-top: 1.5rem;
}

.feature-desc-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(30px);
    filter: blur(8px);
    pointer-events: none;
    transition: 
        opacity 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        transform 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        filter 0.6s ease;
}

.feature-desc-item.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    pointer-events: auto;
    z-index: 2;
}

.feature-title {
    font-family: var(--font-jakarta);
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 30%, rgba(255, 255, 255, 0.6) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .feature-title {
    background: linear-gradient(135deg, #111827 30%, #4B5563 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-badge {
    display: inline-block;
    font-family: var(--font-geist);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    width: fit-content;
}

.feature-text {
    font-size: 1.1rem;
    color: var(--text-slate);
    line-height: 1.6;
    margin-bottom: 1.75rem;
}

.feature-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-benefits li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-slate);
}

.feature-benefits li i {
    color: var(--accent);
    font-size: 1rem;
}

/* Right Column (Deck) Styling */
.features-right-col {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.features-card-deck {
    position: relative;
    width: var(--features-card-width);
    height: var(--features-card-height);
}

/* Base Card Style */
.features-deck-card {
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--features-card-width);
    height: var(--features-card-height);
    transform: translate(-50%, -50%);
    border-radius: 28px;
    padding: 2.5rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    pointer-events: none; /* Let clicks pass through except when active */
    
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
    
    will-change: transform, opacity, filter;
    transition: 
        transform 0.75s cubic-bezier(0.25, 1, 0.3, 1),
        opacity 0.6s cubic-bezier(0.25, 1, 0.3, 1),
        filter 0.6s ease,
        box-shadow 0.6s ease;
}

[data-theme="light"] .features-deck-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.5) 100%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
}

/* Card Glow Effect */
.deck-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

.deck-card-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.deck-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.deck-card-icon i {
    color: var(--text-white);
    font-size: 1.35rem;
}

.features-deck-card h3 {
    font-family: var(--font-jakarta);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

[data-theme="light"] .features-deck-card h3 {
    color: #111827;
}

/* Deck Previews Inside Cards */
.deck-card-preview {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 18px;
    padding: 1.25rem;
    overflow: hidden;
}

[data-theme="light"] .deck-card-preview {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.05);
}

/* Stacked Transforms - Card Positions */
.features-deck-card[data-index="0"] {
    transform: translate(-50%, -50%) rotate(-3deg) translate(0px, 0px);
    z-index: 4;
}

.features-deck-card[data-index="1"] {
    transform: translate(-50%, -50%) rotate(2deg) translate(4px, 6px);
    z-index: 3;
}

.features-deck-card[data-index="2"] {
    transform: translate(-50%, -50%) rotate(-1deg) translate(-4px, 12px);
    z-index: 2;
}

.features-deck-card[data-index="3"] {
    transform: translate(-50%, -50%) rotate(3deg) translate(6px, 18px);
    z-index: 1;
}

/* Active State Transform overrides */
.features-deck-card.active {
    transform: translate(-50%, -50%) rotate(0deg) scale(1.02) !important;
    opacity: 1 !important;
    filter: blur(0) !important;
    z-index: 5 !important;
    pointer-events: auto;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(99, 102, 241, 0.2);
}

[data-theme="light"] .features-deck-card.active {
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.06),
        0 0 30px rgba(99, 102, 241, 0.08);
}

/* Fly Out State transform */
.features-deck-card.slid-up {
    transform: translate(-50%, -165%) rotate(-15deg) !important;
    opacity: 0 !important;
    filter: blur(6px) !important;
    z-index: 0 !important;
    pointer-events: none;
}

/* Graphics inside specific cards */
.preview-task {
    font-family: var(--font-geist);
    font-size: 0.85rem;
    color: var(--accent);
    background: rgba(6, 182, 212, 0.1);
    padding: 0.6rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    border-left: 3px solid var(--accent);
    text-align: center;
}

.arrow-down {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    animation: bounceSlow 1.5s infinite alternate;
}

@keyframes bounceSlow {
    0% { transform: translateY(0); }
    100% { transform: translateY(4px); }
}

.preview-task-result {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.6rem;
    border-radius: 10px;
}

.task-checkbox.completed {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    color: #0b0f19;
}

.preview-task-result .task-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-white);
}

[data-theme="light"] .preview-task-result .task-title {
    color: #111827;
}

.task-time {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: 600;
}

/* Calendar Sync Graphic */
.calendar-sync-graphic {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.calendar-node {
    padding: 0.6rem 0.8rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-white);
}

[data-theme="light"] .calendar-node {
    background: #ffffff;
    color: #111827;
}

.calendar-node.google {
    border-color: rgba(239, 68, 68, 0.2);
    color: #EF4444;
}

.sync-arrows {
    color: var(--accent);
    font-size: 0.95rem;
    animation: pulseSync 1.5s infinite alternate;
}

@keyframes pulseSync {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.15); opacity: 1; }
}

/* Reminder bell graphic */
.reminder-graphic {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.reminder-bell {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #F59E0B;
    font-size: 1.5rem;
    animation: ringBell 2s infinite ease-in-out;
}

@keyframes ringBell {
    0%, 100% { transform: rotate(0); }
    15% { transform: rotate(15deg); }
    30% { transform: rotate(-12deg); }
    45% { transform: rotate(10deg); }
    60% { transform: rotate(-8deg); }
    75% { transform: rotate(4deg); }
    90% { transform: rotate(-2deg); }
}

/* Analytics bar chart */
.analytics-graphic {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.feature-bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 1.25rem;
    height: 110px;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .feature-bar-chart {
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

.bar {
    width: 28px;
    border-radius: 6px 6px 0 0;
    background: linear-gradient(to top, #6366F1, #8B5CF6);
    animation: loadBars 1.5s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.bar:nth-child(2) { background: linear-gradient(to top, #8B5CF6, #a855f7); }
.bar:nth-child(3) { background: linear-gradient(to top, #06B6D4, #3B82F6); }
.bar:nth-child(4) { background: linear-gradient(to top, #EF4444, #F59E0B); }

@keyframes loadBars {
    0% { height: 0; }
}

/* Mobile View Fallbacks */
@media (max-width: 1024px) {
    .features-grid-split {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding-top: 100px;
    }
    
    .features-pinned-wrapper {
        height: auto; /* Turn off pinning */
    }
    
    .features-sticky-container {
        position: relative;
        height: auto;
        overflow: visible;
        padding: 4rem 1.5rem;
    }
    
    .features-text-stack {
        height: auto;
    }
    
    .feature-desc-item {
        position: relative;
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
        display: none;
    }
    
    .feature-desc-item.active {
        display: block;
    }
    
    .features-card-deck {
        width: 100%;
        max-width: 380px;
        height: var(--features-card-height);
        position: relative;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    :root {
        --features-card-width: 290px;
        --features-card-height: 400px;
    }
    
    .feature-title {
        font-size: 2rem;
    }
    
    .features-deck-card {
        padding: 1.5rem;
    }
    
    .features-deck-card h3 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
}