/* Custom CSS Variables */
:root {
    --card-bg: #1a1a1a;
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --accent-red: #ff4444;
    --accent-orange: #ff6b35;
}

/* SuperWhisper Section Complete Reset */
.features-container {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #000000;
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.features-container *,
.features-container *::before,
.features-container *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Grid Layout */
.features-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 1.5rem;
    max-width: 1400px;
    width: 100%;
    height: 600px;
}

/* Specific card positioning */
.feature-card[data-card="vocabulary"] {
    grid-column: 1;
    grid-row: 1;
}

.feature-card[data-card="private"] {
    grid-column: 1;
    grid-row: 2;
}

.feature-card[data-card="languages"] {
    grid-column: 2;
    grid-row: 1 / 3;
    height: auto;
}

.feature-card[data-card="offline"] {
    grid-column: 3;
    grid-row: 1;
}

.feature-card[data-card="apps"] {
    grid-column: 3;
    grid-row: 2;
}

/* Feature Card Base */
.features-container .feature-card {
    position: relative !important;
    height: 280px !important;
    background: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 1.25rem !important;
    overflow: hidden !important;
    cursor: pointer !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Central languages card gets special treatment */
.features-container .feature-card[data-card="languages"] {
    height: 100% !important;
}

.features-container .feature-card[data-card="languages"] .card-title {
    font-size: 2rem !important;
    margin-bottom: 1rem !important;
}

.features-container .feature-card[data-card="languages"] .card-subtitle {
    font-size: 1.25rem !important;
}

.features-container .feature-card:hover {
    border-color: var(--card-border-hover) !important;
    transform: translateY(-2px) !important;
}

.features-container .feature-card.active {
    border-color: var(--card-border-hover) !important;
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.05) !important;
}

/* Card Background Container */
.features-container .card-background {
    position: absolute !important;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    transition: filter 0.4s ease;
}

.features-container .card-background.blurred {
    filter: blur(8px) !important;
}

/* Card Content */
.features-container .card-content {
    position: absolute !important;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    z-index: 10;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.features-container .card-content.centered {
    top: 50% !important;
    bottom: auto !important;
    transform: translateY(-50%) !important;
    text-align: left !important; /* Keep left aligned, not centered */
}

.features-container .card-title {
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin-bottom: 0.5rem !important;
    line-height: 1.3 !important;
}

.features-container .card-subtitle {
    font-size: 1rem !important;
    color: var(--text-secondary) !important;
    line-height: 1.4 !important;
}

/* Globe Container */
.globe-container {
    width: 100%;
    height: 100%;
    position: relative;
    opacity: 0.8;
}

/* Tags Container */
.tags-container {
    display: flex;
    align-items: flex-start; /* Position at top */
    height: 100%;
    overflow: hidden;
    padding: 1rem 0;
    padding-top: 2rem; /* Move tags to top */
}

.tags-scroll {
    display: flex;
    gap: 1rem;
    white-space: nowrap;
    animation: scrollRightSeamless 30s linear infinite;
    /* Start immediately visible */
    transform: translateX(0);
}

@keyframes scrollRightSeamless {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-50%); } /* Only move half way since we duplicate */
}

.tag {
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    backdrop-filter: blur(8px);
}

/* Dotted Pattern with Animation */
.dotted-pattern {
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.15) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: 10px 10px;
    opacity: 0.6;
    position: relative;
    overflow: hidden;
}

.dotted-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
    background-size: 20px 20px;
    background-position: 10px 10px;
    animation: dotFlow 8s ease-in-out infinite;
    opacity: 0.4;
}

.dotted-pattern::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: 20px 20px;
    animation: dotPulse 6s ease-in-out infinite;
    opacity: 0.2;
}

@keyframes dotFlow {
    0%, 100% { transform: translate(0, 0); opacity: 0.4; }
    50% { transform: translate(10px, 10px); opacity: 0.6; }
}

@keyframes dotPulse {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.1); opacity: 0.4; }
}

/* Signature Icon with Signal Waves */
.signature-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    opacity: 0.1;
    width: 180px;
    height: 180px;
}

.signature-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.signature-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    pointer-events: none;
}

.signature-wave {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.signature-wave:nth-child(1) {
    width: 60px;
    height: 60px;
    animation: signaturePulse 3s ease-in-out infinite;
}

.signature-wave:nth-child(2) {
    width: 100px;
    height: 100px;
    animation: signaturePulse 3s ease-in-out infinite 0.5s;
}

.signature-wave:nth-child(3) {
    width: 140px;
    height: 140px;
    animation: signaturePulse 3s ease-in-out infinite 1s;
}

.signature-wave:nth-child(4) {
    width: 180px;
    height: 180px;
    animation: signaturePulse 3s ease-in-out infinite 1.5s;
}

@keyframes signaturePulse {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    50% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* App Icons Grid */
.app-icons-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    gap: 1rem;
    padding: 1rem 0;
    overflow: hidden;
}

.app-icons-row {
    display: flex;
    gap: 1.5rem;
    white-space: nowrap;
}

.app-icons-row.scroll-right {
    animation: scrollRightIcons 25s linear infinite; /* Slower */
}

.app-icons-row.scroll-left {
    animation: scrollLeftIcons 30s linear infinite; /* Slower */
}

@keyframes scrollRightIcons {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

@keyframes scrollLeftIcons {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.app-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0.7;
    transition: all 0.3s ease;
    flex-shrink: 0;
    background: #333 !important; /* Force dark background */
    color: white;
    filter: grayscale(100%); /* Make icons black and white */
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-container {
        min-height: auto;
        padding: 2rem 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto;
        height: auto;
    }
    
    .feature-card[data-card="languages"] {
        grid-column: 1 / 3;
        grid-row: 1;
        height: 280px;
        display: block !important;
        visibility: visible !important;
    }
    
    .feature-card[data-card="languages"] .card-title {
        font-size: 1.75rem;
    }
    
    .feature-card[data-card="languages"] .card-subtitle {
        font-size: 1.125rem;
    }
    
    .feature-card[data-card="vocabulary"] {
        grid-column: 1;
        grid-row: 2;
    }
    
    .feature-card[data-card="offline"] {
        grid-column: 2;
        grid-row: 2;
    }
    
    .feature-card[data-card="private"] {
        grid-column: 1;
        grid-row: 3;
    }
    
    .feature-card[data-card="apps"] {
        grid-column: 2;
        grid-row: 3;
    }
}

/* MOBILE VISIBILITY FIX - Force display on mobile */
@media (max-width: 768px) {
    section[aria-labelledby="superwhisper-heading"] {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
    }
    
    .features-container {
        padding: 1rem;
        min-height: auto !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        height: auto !important;
        overflow: visible !important;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, auto);
        gap: 1rem;
        height: auto !important;
        display: grid !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .feature-card {
        height: 240px !important;
        grid-column: 1 !important;
        grid-row: auto !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
    }
    
    .feature-card[data-card="languages"] {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        height: 240px !important;
        grid-column: 1 !important;
        grid-row: 1 !important;
        position: relative !important;
    }
    
    .card-content {
        bottom: 1.5rem;
        left: 1.5rem;
        right: 1.5rem;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: absolute !important;
        z-index: 10 !important;
    }
    
    .card-title {
        font-size: 1.25rem;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .card-subtitle {
        font-size: 0.875rem;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .feature-card[data-card="languages"] .card-title {
        font-size: 1.5rem !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .feature-card[data-card="languages"] .card-subtitle {
        font-size: 1rem !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* Card backgrounds */
    .card-background {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: absolute !important;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1;
    }
    
    /* Globe container for languages card */
    .globe-container {
        display: block !important;
        visibility: visible !important;
        opacity: 0.8 !important;
        width: 100% !important;
        height: 100% !important;
        position: relative !important;
    }
    
    /* Adjust font sizes for longer titles on mobile */
    .feature-card[data-card="private"] .card-title {
        font-size: 1.1rem;
        line-height: 1.2;
    }
    
    .feature-card[data-card="apps"] .card-title {
        font-size: 1.1rem;
        line-height: 1.2;
    }
}

/* Animation keyframes */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.3; }
    25% { transform: translateY(-10px) rotate(90deg); opacity: 0.6; }
    50% { transform: translateY(-5px) rotate(180deg); opacity: 0.8; }
    75% { transform: translateY(-15px) rotate(270deg); opacity: 0.4; }
}