/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    gap: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--header-font-weight);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted-color);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-cta .btn {
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 700;
    transition: all var(--transition);
    display: inline-block;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 420px;
    min-height: 320px;
}

.main-logo {
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    background: none;
    box-shadow: none;
    border-radius: 0;
    position: relative;
    padding: 0;
}

.main-logo img {
    width: 160px;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    border-radius: 0;
    animation: logoFloat 5s ease-in-out infinite;
}
@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-18px); }
}

.main-phone {
    position: relative;
    width: 250px;
    height: 500px;
    margin: 0 auto;
    z-index: 10;
}

.main-phone img {
    width: 100%;
    filter: drop-shadow(var(--shadow-lg));
}

.phone-gloss {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 40px;
    pointer-events: none;
    background: linear-gradient(120deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.04) 60%, rgba(255,255,255,0.12) 100%);
    z-index: 20;
}

.phone-animated-ui {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    z-index: 30;
    padding-bottom: 2.5rem;
    pointer-events: none;
}

.sound-wave-advanced {
    display: flex;
    gap: 3px;
    margin-bottom: 1.2rem;
    height: 28px;
}
.sound-wave-advanced .bar {
    width: 6px;
    border-radius: 3px;
    background: linear-gradient(180deg, #4ade80 60%, #22d3ee 100%);
    animation: advSoundWave 1.2s infinite ease-in-out;
}
.bar1 { animation-delay: 0s; height: 18px; }
.bar2 { animation-delay: 0.2s; height: 28px; }
.bar3 { animation-delay: 0.4s; height: 22px; }
.bar4 { animation-delay: 0.1s; height: 26px; }
.bar5 { animation-delay: 0.3s; height: 16px; }
@keyframes advSoundWave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.7); }
}

.bird-emoji-animated {
    font-size: 2.2rem;
    margin-bottom: 0.7rem;
    animation: birdFlap 1.6s infinite cubic-bezier(.4,0,.2,1);
    display: inline-block;
}
@keyframes birdFlap {
    0%, 100% { transform: rotate(-8deg) scale(1); }
    10% { transform: rotate(8deg) scale(1.1); }
    20% { transform: rotate(-8deg) scale(1.05); }
    30% { transform: rotate(8deg) scale(1.1); }
    40% { transform: rotate(-8deg) scale(1); }
    50% { transform: rotate(0deg) scale(1.05); }
    60% { transform: rotate(8deg) scale(1.1); }
    70% { transform: rotate(-8deg) scale(1.05); }
    80% { transform: rotate(8deg) scale(1.1); }
    90% { transform: rotate(-8deg) scale(1); }
}

.result-badge {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 14px;
    font-weight: 600;
    font-size: 0.75rem;
    animation: slideInRight 0.6s ease-out 0.5s both;
    text-align: center;
    margin-top: 0.5rem;
    max-width: 85%;
    word-wrap: break-word;
    box-shadow: 
        0 4px 12px rgba(192, 72, 58, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.result-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.forecast-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.weather-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    animation: pulse 2s ease-in-out infinite;
    text-shadow: 0 0 10px rgba(192, 72, 58, 0.3);
}

.forecast-chart {
    display: flex;
    align-items: end;
    gap: 4px;
    height: 60px;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.chart-bar {
    width: 8px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    animation: growUp 1s ease-out;
    box-shadow: 0 0 8px rgba(192, 72, 58, 0.3);
}

.chart-bar:nth-child(1) { animation-delay: 0.1s; }
.chart-bar:nth-child(2) { animation-delay: 0.2s; }
.chart-bar:nth-child(3) { animation-delay: 0.3s; }
.chart-bar:nth-child(4) { animation-delay: 0.4s; }

.forecast-text {
    background: linear-gradient(135deg, rgba(192, 72, 58, 0.95) 0%, rgba(160, 61, 48, 0.95) 100%);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 14px;
    font-weight: 600;
    font-size: 0.75rem;
    animation: slideInRight 0.6s ease-out 0.8s both;
    text-align: center;
    margin-top: 0.5rem;
    max-width: 85%;
    word-wrap: break-word;
    box-shadow: 
        0 4px 12px rgba(192, 72, 58, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.forecast-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2.5s infinite;
}

.chat-animation {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    width: 75%;
    animation: fadeInUp 0.8s ease-out;
}

.chat-bubble {
    padding: 0.4rem 0.8rem;
    border-radius: 14px;
    font-size: 0.75rem;
    max-width: 90%;
    animation: slideInLeft 0.6s ease-out;
    font-weight: 500;
    word-wrap: break-word;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.chat-bubble:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.chat-bubble.user {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    align-self: flex-end;
    animation-delay: 0.2s;
    box-shadow: 
        0 4px 12px rgba(192, 72, 58, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-bubble.ai {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: var(--text-color);
    align-self: flex-start;
    animation-delay: 0.4s;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.typing-indicator {
    display: flex;
    gap: 3px;
    align-self: flex-start;
    padding: 0.4rem 0.8rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 14px;
    animation: slideInLeft 0.6s ease-out 0.6s both;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.typing-indicator span {
    width: 3px;
    height: 3px;
    background: var(--text-muted-color);
    border-radius: 50%;
    animation: typing 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

.slide-text {
    padding: 1rem 0;
    text-align: center;
}

.slide-text h3 {
    font-size: 2rem;
    font-weight: var(--header-font-weight);
    margin-bottom: 0.5rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.slide-text h3::before {
    content: '';
    width: 4px;
    height: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    flex-shrink: 0;
}

.slide-text p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-muted-color);
    margin-bottom: 1.5rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.feature-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: linear-gradient(135deg, 
        rgba(192, 72, 58, 0.08) 0%, 
        rgba(236, 160, 141, 0.08) 100%);
    border-radius: 16px;
    border: 1px solid rgba(192, 72, 58, 0.15);
    justify-content: center;
    box-shadow: 
        0 6px 18px rgba(192, 72, 58, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        transparent 50%, 
        rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.feature-stats:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 
        0 10px 25px rgba(192, 72, 58, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.stat-item {
    text-align: center;
    flex: 1;
    max-width: 100px;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.3rem;
}

.stat-item:hover {
    transform: scale(1.05);
}

.stat-number {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.2rem;
    text-shadow: 0 1px 3px rgba(192, 72, 58, 0.1);
    position: relative;
}

.stat-number::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 1px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover .stat-number::after {
    opacity: 1;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--text-muted-color);
    font-weight: 500;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    white-space: nowrap;
    line-height: 1.1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.feature-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    align-items: center;
    margin-top: 1rem;
    padding: 0.5rem;
    position: relative;
}

.highlight-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out;
    text-align: center;
    white-space: nowrap;
    box-shadow: 
        0 4px 12px rgba(192, 72, 58, 0.25),
        0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.highlight-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.highlight-tag:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 8px 20px rgba(192, 72, 58, 0.35),
        0 4px 8px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.highlight-tag:hover::before {
    left: 100%;
}

.highlight-tag:nth-child(1) { animation-delay: 0.2s; }
.highlight-tag:nth-child(2) { animation-delay: 0.4s; }
.highlight-tag:nth-child(3) { animation-delay: 0.6s; }
.highlight-tag:nth-child(4) { animation-delay: 0.8s; }
.highlight-tag:nth-child(5) { animation-delay: 1.0s; }

/* Enhanced Navigation with Progress Indicator */
.carousel-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin-top: 1.5rem;
    padding: 0.5rem;
    position: relative;
}

.carousel-progress {
    position: absolute;
    top: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 3px;
    background: rgba(192, 72, 58, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.carousel-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 25%;
}

.nav-btn {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid rgba(192, 72, 58, 0.2);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-color);
    box-shadow: 
        0 6px 16px rgba(0, 0, 0, 0.1),
        0 3px 6px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-btn:hover {
    border-color: var(--primary-color);
    transform: scale(1.15);
    box-shadow: 
        0 12px 24px rgba(192, 72, 58, 0.25),
        0 6px 12px rgba(0, 0, 0, 0.1);
}

.nav-btn:hover::before {
    opacity: 1;
}

.nav-btn:hover svg {
    color: white;
    z-index: 1;
    position: relative;
}

.nav-btn:active {
    transform: scale(0.95);
}

.carousel-dots {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(192, 72, 58, 0.2);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
}

.dot.active {
    background: transparent;
    border-color: var(--primary-color);
    transform: scale(1.3);
}

.dot.active::before {
    width: 10px;
    height: 10px;
}

.dot:hover {
    background: rgba(192, 72, 58, 0.3);
    transform: scale(1.2);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes soundWave {
    0%, 100% { height: 20px; }
    50% { height: 40px; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes growUp {
    from { height: 0; }
    to { height: var(--height); }
}

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        height: 280px;
    }
    
    .main-phone {
        width: 200px;
    }
    
    .bird-card {
        padding: 0.5rem 0.7rem;
    }
    
    .bird-card img {
        width: 28px;
        height: 28px;
    }
    
    /* Carousel Mobile Styles */
    .carousel-track {
        height: auto;
        min-height: 700px;
    }
    
    .slide-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
        height: auto;
        min-height: 700px;
    }
    
    .slide-visual {
        height: auto;
        min-height: 350px;
        order: 2;
    }
    
    .slide-text {
        order: 1;
        text-align: center;
    }
    
    .phone-mockup {
        width: 220px;
        height: 440px;
        transform: none;
    }
    
    .phone-mockup:hover {
        transform: scale(1.02);
    }
    
    .slide-text h3 {
        font-size: 1.5rem;
    }
    
    .carousel-navigation {
        gap: 1rem;
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
    }
    
    .main-logo {
        width: 120px;
        height: 120px;
        border-radius: 28px;
        padding: 8px;
    }
    
    .main-logo img {
        border-radius: 0;
    }
    
    .bird-card.card-1 {
        top: 20%;
        left: 0;
        transform: none;
    }
    
    .bird-card.card-2 {
        top: 45%;
        right: -10%;
        transform: none;
    }
    
    .bird-card.card-3 {
        bottom: 15%;
        left: 10%;
        transform: none;
    }
}

/* Responsive Design for Home */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .main-phone {
        width: 200px;
    }
    
    .bird-card {
        padding: 0.5rem;
    }
    
    .bird-card img {
        width: 30px;
        height: 30px;
    }
}

.history-item:nth-child(1) { animation-delay: 0.8s; }
.history-item:nth-child(2) { animation-delay: 1.0s; }
.history-item:nth-child(3) { animation-delay: 1.2s; }

.history-text {
    background: linear-gradient(135deg, rgba(192, 72, 58, 0.95) 0%, rgba(160, 61, 48, 0.95) 100%);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 14px;
    font-weight: 600;
    font-size: 0.75rem;
    animation: slideInRight 0.6s ease-out 1.4s both;
    text-align: center;
    margin-top: 0.5rem;
    max-width: 85%;
    word-wrap: break-word;
    box-shadow: 
        0 4px 12px rgba(192, 72, 58, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.history-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 3s infinite;
}

.history-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s 0.5s forwards;
}

.history-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    animation: bounce 2s infinite;
    text-shadow: 0 0 10px rgba(192, 72, 58, 0.3);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.history-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 0.6rem 0.8rem;
    border-radius: 10px;
    font-size: 0.75rem;
    color: var(--text-color);
    font-weight: 500;
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInLeft 0.6s forwards;
    border: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.3rem;
}

.history-item .bird-name {
    font-weight: 600;
    color: var(--text-color);
}

.history-item .time {
    font-size: 0.7rem;
    color: var(--text-muted-color);
    font-weight: 400;
}

.history-item:nth-child(1) { animation-delay: 0.8s; }
.history-item:nth-child(2) { animation-delay: 1.0s; }
.history-item:nth-child(3) { animation-delay: 1.2s; }

/* Enhanced floating bird cards */
.bird-card {
    position: absolute;
    background: linear-gradient(135deg, #fffaf6 80%, #fff1e6 100%);
    border-radius: 20px;
    box-shadow: 0 4px 24px rgba(34,211,238,0.13), 0 1.5px 6px rgba(34,211,238,0.10);
    border: 1.5px solid var(--primary-color);
    padding: 0.75rem 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: float 6s ease-in-out infinite;
    z-index: 1;
    transition: box-shadow 0.25s, transform 0.25s;
}
.bird-card img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}
.bird-card span {
    font-weight: 600;
    color: var(--primary-color, #C0483A);
    letter-spacing: 0.01em;
    font-size: 1.05rem;
}
.bird-card:hover {
    box-shadow: 0 8px 32px rgba(192,72,58,0.22), 0 2px 8px rgba(192,72,58,0.13);
    transform: scale(1.09) rotateZ(-4deg) translateY(-6px);
    background: linear-gradient(135deg, rgba(192,72,58,0.10) 80%, rgba(192,72,58,0.18) 100%);
}
.bird-card.card-1 {
    top: 16.5%;
    left: 1.5%;
    animation-delay: 0s;
    transform: none;
}
.bird-card.card-2 {
    top: 33%;
    right: -10.5%;
    animation-delay: 2s;
    transform: none;
}
.bird-card.card-3 {
    bottom: 10.5%;
    left: 7.5%;
    animation-delay: 4s;
    transform: none;
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Entrance Animations */
.hero-content > *, .bird-card, .main-phone {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--transition), transform 0.6s var(--transition);
}

.hero-content.is-visible > *,
.hero-visual.is-visible .bird-card,
.hero-visual.is-visible .main-phone {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays */
.hero-content.is-visible .hero-title { transition-delay: 0.1s; }
.hero-content.is-visible .hero-subtitle { transition-delay: 0.2s; }
.hero-content.is-visible .hero-cta { transition-delay: 0.3s; }

.hero-visual.is-visible .main-phone { transition-delay: 0.2s; }
.hero-visual.is-visible .card-1 { transition-delay: 0.4s; }
.hero-visual.is-visible .card-2 { transition-delay: 0.6s; }
.hero-visual.is-visible .card-3 { transition-delay: 0.8s; }

/* Enhanced App Showcase Section with Floating Elements */
.app-showcase-section {
    padding: 2rem 2rem 2rem 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
    margin-top: -2rem;
    margin-bottom: -2rem;
}

.app-showcase-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(192, 72, 58, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 160, 141, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(192, 72, 58, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.app-showcase-section::after {
    content: '';
    position: absolute;
    top: -4rem;
    left: 0;
    right: 0;
    height: 4rem;
    background: linear-gradient(to bottom, transparent, rgba(248, 250, 252, 0.8), #f8fafc);
    pointer-events: none;
    z-index: 0;
}

.app-showcase-section::before {
    content: '';
    position: absolute;
    bottom: -4rem;
    left: 0;
    right: 0;
    height: 4rem;
    background: linear-gradient(to top, transparent, rgba(255, 255, 255, 0.8), #ffffff);
    pointer-events: none;
    z-index: 0;
}

.app-showcase-section .container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 2.8rem;
    font-weight: var(--header-font-weight);
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    border-radius: 2px;
}

.section-description {
    text-align: center;
    color: var(--text-muted-color);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    position: relative;
}

/* Floating Particles Animation */
@keyframes floatParticle {
    0%, 100% { 
        transform: translateY(0px) translateX(0px) rotate(0deg); 
        opacity: 0.3;
    }
    25% { 
        transform: translateY(-20px) translateX(10px) rotate(90deg); 
        opacity: 0.6;
    }
    50% { 
        transform: translateY(-40px) translateX(-5px) rotate(180deg); 
        opacity: 0.4;
    }
    75% { 
        transform: translateY(-20px) translateX(-15px) rotate(270deg); 
        opacity: 0.7;
    }
}

.floating-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatParticle 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.floating-particle:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 10s;
}

.floating-particle:nth-child(2) {
    top: 20%;
    right: 15%;
    animation-delay: 2s;
    animation-duration: 12s;
}

.floating-particle:nth-child(3) {
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
    animation-duration: 9s;
}

.floating-particle:nth-child(4) {
    bottom: 20%;
    right: 10%;
    animation-delay: 6s;
    animation-duration: 11s;
}

/* Enhanced Slide Transitions */
.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(100%) scale(0.95);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    filter: blur(2px);
}

.carousel-slide.active {
    opacity: 1;
    transform: translateX(0) scale(1);
    pointer-events: auto;
    filter: blur(0);
}

.carousel-slide.prev {
    transform: translateX(-100%) scale(0.95);
    filter: blur(2px);
}

/* Enhanced Feature Stats with Icons */
.feature-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: linear-gradient(135deg, 
        rgba(192, 72, 58, 0.08) 0%, 
        rgba(236, 160, 141, 0.08) 100%);
    border-radius: 16px;
    border: 1px solid rgba(192, 72, 58, 0.15);
    justify-content: center;
    box-shadow: 
        0 6px 18px rgba(192, 72, 58, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        transparent 50%, 
        rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.feature-stats:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 
        0 10px 25px rgba(192, 72, 58, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.stat-item {
    text-align: center;
    flex: 1;
    max-width: 100px;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.3rem;
}

.stat-item:hover {
    transform: scale(1.05);
}

.stat-number {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.2rem;
    text-shadow: 0 1px 3px rgba(192, 72, 58, 0.1);
    position: relative;
}

.stat-number::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 1px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover .stat-number::after {
    opacity: 1;
}

.stat-label {
    font-size: 0.65rem;
    color: var(--text-muted-color);
    font-weight: 500;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    white-space: nowrap;
    line-height: 1.1;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Enhanced Highlight Tags with Better Spacing */
.feature-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    align-items: center;
    margin-top: 1rem;
    padding: 0.5rem;
    position: relative;
}

.highlight-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    animation: fadeInUp 0.6s ease-out;
    text-align: center;
    white-space: nowrap;
    box-shadow: 
        0 4px 12px rgba(192, 72, 58, 0.25),
        0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.highlight-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.highlight-tag:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 8px 20px rgba(192, 72, 58, 0.35),
        0 4px 8px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.highlight-tag:hover::before {
    left: 100%;
}

.highlight-tag:nth-child(1) { animation-delay: 0.2s; }
.highlight-tag:nth-child(2) { animation-delay: 0.4s; }
.highlight-tag:nth-child(3) { animation-delay: 0.6s; }
.highlight-tag:nth-child(4) { animation-delay: 0.8s; }
.highlight-tag:nth-child(5) { animation-delay: 1.0s; }

/* Enhanced Navigation with Progress Indicator */
.carousel-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin-top: 1.5rem;
    padding: 0.5rem;
    position: relative;
}

.carousel-progress {
    position: absolute;
    top: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 3px;
    background: rgba(192, 72, 58, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.carousel-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 25%;
}

.nav-btn {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid rgba(192, 72, 58, 0.2);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-color);
    box-shadow: 
        0 6px 16px rgba(0, 0, 0, 0.1),
        0 3px 6px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-btn:hover {
    border-color: var(--primary-color);
    transform: scale(1.15);
    box-shadow: 
        0 12px 24px rgba(192, 72, 58, 0.25),
        0 6px 12px rgba(0, 0, 0, 0.1);
}

.nav-btn:hover::before {
    opacity: 1;
}

.nav-btn:hover svg {
    color: white;
    z-index: 1;
    position: relative;
}

.nav-btn:active {
    transform: scale(0.95);
}

.carousel-dots {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(192, 72, 58, 0.2);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
}

.dot.active {
    background: transparent;
    border-color: var(--primary-color);
    transform: scale(1.3);
}

.dot.active::before {
    width: 10px;
    height: 10px;
}

.dot:hover {
    background: rgba(192, 72, 58, 0.3);
    transform: scale(1.2);
}

/* Enhanced Feature Carousel with Micro-interactions */
.feature-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.8),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 680px;
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    padding: 2.5rem;
    align-items: center;
    height: 100%;
    max-width: 100%;
    position: relative;
}

.slide-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(192, 72, 58, 0.02) 0%, 
        rgba(236, 160, 141, 0.02) 50%, 
        rgba(192, 72, 58, 0.02) 100%);
    pointer-events: none;
    z-index: 0;
}

.slide-visual {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: 100%;
    padding-top: 1rem;
    position: relative;
    z-index: 1;
}

.slide-text {
    padding: 0.5rem 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.slide-text h3 {
    font-size: 2rem;
    font-weight: var(--header-font-weight);
    margin-bottom: 0.5rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
}

.slide-text h3::before {
    content: '';
    width: 4px;
    height: 2.2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    flex-shrink: 0;
    animation: accentPulse 2s ease-in-out infinite;
}

@keyframes accentPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.8; transform: scaleY(1.1); }
}

.slide-text p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted-color);
    margin-bottom: 1rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    position: relative;
}

.slide-text p::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    border-radius: 1px;
}

/* Enhanced Phone Mockup with Micro-interactions */
.phone-mockup {
    position: relative;
    width: 280px;
    height: 570px;
    background: linear-gradient(145deg, #3a3a3c 0%, #2a2a2c 50%, #1a1a1c 100%);
    border-radius: 40px;
    padding: 8px;
    box-shadow: 
        inset 0 0 2px 2px rgba(255, 255, 255, 0.12),
        0 25px 50px -12px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.2),
        0 0 40px rgba(192, 72, 58, 0.1);
    transform: perspective(1200px) rotateY(-15deg) rotateX(5deg) translateZ(0);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.25);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: linear-gradient(90deg, #2a2a2a 0%, #3a3a3a 50%, #2a2a2a 100%);
    border-radius: 3px;
    z-index: 15;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3);
}

.phone-mockup::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 40px;
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.08) 30%, 
        rgba(255, 255, 255, 0.04) 60%, 
        transparent 100%);
    pointer-events: none;
    z-index: 5;
}

.phone-mockup:hover {
    transform: perspective(1200px) rotateY(-10deg) rotateX(2deg) scale(1.03) translateZ(0);
    box-shadow: 
        inset 0 0 2px 2px rgba(255, 255, 255, 0.15),
        0 30px 60px -15px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.3),
        0 0 60px rgba(192, 72, 58, 0.15);
}

.phone-screen-container {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(255, 255, 255, 0.05);
}

.app-screen {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 32px;
    position: relative;
    filter: brightness(1.05) contrast(1.1);
    transition: all 0.3s ease;
}

.screen-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.1) 0%, 
        rgba(0, 0, 0, 0.05) 50%, 
        rgba(0, 0, 0, 0.1) 100%);
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(0.5px);
}

.carousel-slide.active .screen-overlay {
    opacity: 1;
}

/* Enhanced Animation Elements with Micro-interactions */
.identification-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.sound-wave {
    width: 60px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    position: relative;
}

.sound-wave::before,
.sound-wave::after {
    content: '';
    width: 3px;
    height: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    animation: soundWave 1.5s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(192, 72, 58, 0.5);
}

.sound-wave::before {
    animation-delay: 0s;
}

.sound-wave::after {
    animation-delay: 0.3s;
}

.bird-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    animation: bounce 2s ease-in-out infinite;
    text-shadow: 0 0 10px rgba(192, 72, 58, 0.3);
}

.highlight-tag:nth-child(1) { animation-delay: 0.2s; }
.highlight-tag:nth-child(2) { animation-delay: 0.4s; }
.highlight-tag:nth-child(3) { animation-delay: 0.6s; }
.highlight-tag:nth-child(4) { animation-delay: 0.8s; }
.highlight-tag:nth-child(5) { animation-delay: 1.0s; }

/* Enhanced Footer with Smooth Transition */
.main-footer {
    background: var(--background-color);
    padding: 1rem 2rem 1.5rem 2rem;
    text-align: center;
    position: relative;
    margin-top: -2rem;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: -2rem;
    left: 0;
    right: 0;
    height: 2rem;
    background: linear-gradient(to bottom, rgba(255, 248, 244, 0.8), var(--background-color));
    pointer-events: none;
    z-index: 0;
}

.main-footer p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--text-muted-color);
    font-size: 0.9rem;
} 

.logo {
  display: inline-block;
  font-weight: var(--header-font-weight);
  font-size: 1.5rem;
  text-decoration: none;
  color: var(--text-color);
  position: relative;
  line-height: 1.1;
  vertical-align: top;
}
.logo-subtitle {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-color);
  letter-spacing: 0.02em;
  margin-top: 0.08em;
  text-shadow: 0 1px 2px rgba(192,72,58,0.08);
  line-height: 1.1;
}