:root {
    --interact-blue: #5ea0ecff;
    --interact-light-green: #DCF8C6;
    --interact-gray: #ECE5DD;
    --interact-dark-gray: #3B4A54;
    --interact-dark-bg: #0B141A;
    --interact-dark-header: #202C33;
    --interact-dark-message-bg: #2A3942;
    /* --interact-blue: #5ea0ecff; */
    --interact-sent-dark: #3b82f6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.hero-section {
    background: linear-gradient(135deg, var(--interact-blue) 0%, var(--interact-blue) 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="white" opacity="0.1"/><circle cx="80" cy="40" r="0.5" fill="white" opacity="0.05"/><circle cx="40" cy="80" r="1.5" fill="white" opacity="0.08"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--interact-blue), var(--interact-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: white;
    font-size: 2rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--interact-blue), var(--interact-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #6c757d;
    margin-bottom: 60px;
}

.btn-interact {
    background: linear-gradient(135deg, var(--interact-blue), var(--interact-blue));
    border: none;
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.btn-interact:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    color: white;
}

.chat-preview {
    background: var(--interact-dark-bg);
    border-radius: 20px;
    padding: 0;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
    overflow: hidden;
    max-width: 350px;
    margin: 0 auto;
}

.chat-header {
    background: var(--interact-dark-header);
    color: white;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #6B7C85;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 14px;
}

.chat-messages {
    padding: 20px;
    background: var(--interact-dark-bg);
    min-height: 300px;
}

.message {
    max-width: 80%;
    margin-bottom: 10px;
    padding: 10px 15px;
    border-radius: 15px;
    position: relative;
}

.message-sent {
    background: #3b82f6;
    margin-left: auto;
    border-bottom-right-radius: 5px;
    color: white;
}

.message-received {
    background: var(--interact-dark-message-bg);
    border-bottom-left-radius: 5px;
    color: #E9EDEF;
}

.message-time {
    font-size: 0.75rem;
    color: #8696A0;
    margin-top: 5px;
}

.stats-section {
    background: linear-gradient(135deg, #667eea 0%, #128C7E 100%);
    color: white;
    padding: 80px 0;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

.download-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.app-store-btn {
    display: inline-block;
    margin: 10px;
    transition: transform 0.3s ease;
}

.app-store-btn:hover {
    transform: scale(1.05);
}

.app-store-btn img {
    height: 60px;
    border-radius: 10px;
}

/* Disabled state for App Store button */
.app-store-btn.disabled {
    cursor: not-allowed;
    opacity: 0.6;
    pointer-events: none;
}

.app-store-btn.disabled:hover {
    transform: none;
}

.app-store-btn.disabled img {
    filter: grayscale(50%);
}

/* Re-enable pointer events for tooltip to work */
.app-store-btn.disabled[data-bs-toggle="tooltip"] {
    pointer-events: auto;
}

/* Custom tooltip styling */
.tooltip-inner {
    background-color: #2c3e50;
    color: white;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 6px;
}

.tooltip .tooltip-arrow::before {
    border-top-color: #2c3e50;
}


.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .feature-card {
        padding: 30px 20px;
        margin-bottom: 30px;
    }
}