/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(220, 38, 38, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(239, 68, 68, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.main-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

.main-content {
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    padding: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: -0.02em;
    margin: 0;
}

.logo-image {
    width: 200px;
    height: auto;
    max-width: 100%;
}

/* Header Social Media */
.header-social-media {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.header-social-media .social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    text-decoration: none;
}

.header-social-media .social-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.header-social-media .social-icon svg {
    width: 22px;
    height: 22px;
    fill: #ffffff;
    transition: all 0.3s ease;
}

.header-social-media .social-icon.instagram:hover svg {
    fill: #e4405f;
}

.header-social-media .social-icon.tiktok:hover svg {
    fill: #000000;
}

.header-social-media .social-icon.youtube:hover svg {
    fill: #dc2626;
}



/* Challenge Notification Demo */
.challenge-notification {
    background: linear-gradient(145deg, #1a1a1a, #2a2a2a);
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    margin: 0 auto 2rem auto;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.4);
    position: relative;
    animation: challengePulse 3s ease-in-out infinite;
}

.notification-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.5);
    animation: bounce 2s ease-in-out infinite;
}

.challenge-header {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

/* VS Section */
.vs-section {
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin-bottom: 1.5rem;
}

.fighter {
    text-align: center;
}

.fighter-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 0.5rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.fighter-avatar.challenger {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.4);
}

.fighter-avatar.defender {
    background: linear-gradient(135deg, #ffffff, #f3f4f6);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.4);
    color: #1a1a1a;
}

.fighter-name.challenger {
    color: #dc2626;
    font-weight: 700;
    font-size: 0.9rem;
}

.fighter-name.defender {
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9rem;
}

.vs-text {
    font-size: 1.5rem;
    font-weight: 900;
    color: #ffffff;
    margin: 0 1rem;
}

/* Challenge Details */
.challenge-details {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.challenge-exercise {
    color: #dc2626;
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.challenge-numbers {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.weight-number {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    font-family: 'Courier New', monospace;
}

.reps-number {
    font-size: 1.5rem;
    font-weight: 900;
    color: #dc2626;
    font-family: 'Courier New', monospace;
}

.number-unit {
    color: #888;
    font-size: 0.9rem;
}

.number-multiply {
    color: #ffffff;
    font-size: 1.2rem;
}

.challenge-taunt {
    color: #888;
    font-size: 0.8rem;
    font-style: italic;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.btn {
    flex: 1;
    border: none;
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    text-transform: uppercase;
    min-width: 120px;
    transition: all 0.3s ease;
}

.btn-accept {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: #ffffff;
}

.btn-decline {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-decline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Hero Section - Challenge Demo + Signup Layout */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    min-height: 80vh;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Challenge Demo Side */
.challenge-demo {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 0;
    text-align: center;
}

.demo-container {
    max-width: 600px;
    margin: 0 auto;
}

.demo-eyebrow {
    color: #dc2626;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.demo-headline {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 800;
    margin: 0 0 2rem 0;
    color: #ffffff;
}

.demo-cta {
    color: #b0b0b0;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

/* Signup Form Side */
.signup-container {
    position: sticky;
    top: 2rem;
    height: fit-content;
}

.signup-card {
    background: linear-gradient(145deg, #1a1a1a, #2a2a2a);
    border-radius: 25px;
    padding: 3rem 2.5rem;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.4);
    position: relative;
    overflow: hidden;
}

.signup-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(220, 38, 38, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.signup-content {
    position: relative;
    z-index: 1;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-title {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 0.5rem 0;
    color: #ffffff;
}

.form-subtitle {
    color: #888;
    margin: 0;
    font-size: 1rem;
}

.launch-badge {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
}

/* Form Styles */
.signup-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    color: #fff;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: rgba(220, 38, 38, 0.5);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-input::placeholder {
    color: #888;
}

.form-select {
    width: 100%;
    padding: 1.2rem 3rem 1.2rem 1.2rem; /* Add right padding for custom arrow */
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
    /* Remove default arrow */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    /* Add custom arrow */
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center; /* Position arrow 1rem from right edge */
    background-size: 16px;
}

.form-select:focus {
    outline: none;
    border-color: rgba(220, 38, 38, 0.5);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-select option {
    background: #1a1a1a;
    color: #fff;
}

.form-select option[value=""] {
    color: #888;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.2rem;
    transform: scale(1.2);
}

.checkbox-group label {
    color: #888;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-group a {
    color: #dc2626;
    text-decoration: none;
}

.btn-submit {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: #ffffff;
    border: none;
    padding: 1.4rem 2rem;
    border-radius: 15px;
    font-weight: 800;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 1rem;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(220, 38, 38, 0.4);
}

.app-store-preview {
    display: flex;
    justify-content: space-around;
    gap: 0.8rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* App Store Badge Styling */
.app-store-badge {
    height: 60px;
    width: auto;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 8px;
    /* Remove backgrounds if they have them */
    background-color: transparent;
}

.app-store-badge:hover {
    transform: translateY(-3px);
    filter: brightness(1.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}


.store-badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
}

.store-badge span:first-child {
    font-size: 1rem;
}

.store-badge span:last-child {
    color: #fff;
    font-weight: 600;
}

/* Features Section */
.features-section {
    padding: 4rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.features-container {
    max-width: 1000px;
    margin: 0 auto;
}

.features-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: #ffffff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    object-fit: contain;
    filter: brightness(1.1);
}

/* Inverted color icons (first 2 icons) */
.inverted-icon {
    filter: invert(1) brightness(1.1);
}

.feature-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-card h4.send {
    color: #dc2626;
}

.feature-card h4.battle {
    color: #ef4444;
}

.feature-card h4.victory {
    color: #ffffff;
}

.feature-card p {
    color: #b0b0b0;
    font-size: 1rem;
    line-height: 1.5;
}

/* Footer */
.footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.footer-text {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #888;
    text-decoration: none;
    font-size: 0.9rem;
}

/* Animations */
@keyframes challengePulse {
    0%, 100% { 
        box-shadow: 
            0 20px 40px rgba(0, 0, 0, 0.6),
            0 0 0 1px rgba(255, 255, 255, 0.1),
            0 0 0 0px rgba(220, 38, 38, 0.4);
    }
    50% { 
        box-shadow: 
            0 25px 50px rgba(0, 0, 0, 0.7),
            0 0 0 1px rgba(255, 255, 255, 0.1),
            0 0 0 8px rgba(220, 38, 38, 0.2);
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    /* Header Mobile */
    .header {
        padding: 1rem 1.25rem; /* small horizontal padding to avoid edge hugging */
    }
    
    .header-content {
        flex-direction: row; /* logo left of icons */
        align-items: center;
        justify-content: center; /* center the group instead of pushing to edges */
        gap: 1rem; /* natural spacing between logo and icons */
    }
    
    .logo-image {
        width: 150px;
    }
    
    .header-social-media {
        gap: 0.8rem;
        margin-left: 0.5rem; /* slight breathing room from logo */
    }
    
    .header-social-media .social-icon {
        width: 36px;
        height: 36px;
    }
    
    .header-social-media .social-icon svg {
        width: 20px;
        height: 20px;
    }
    
    /* Hero Section - Stack Vertically on Mobile */
    .hero-section {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 1rem;
        min-height: auto;
    }
    
    /* Challenge Demo Mobile */
    .challenge-demo {
        order: 2; /* Show challenge after signup on mobile */
        padding: 1rem 0;
        text-align: center;
    }
    
    .demo-container {
        padding: 0 1rem;
    }
    
    .demo-headline {
        font-size: clamp(1.3rem, 5vw, 2rem);
        margin-bottom: 1.5rem;
    }
    
    .challenge-notification {
        padding: 1.5rem;
        max-width: 100%;
        margin: 0 auto 1.5rem auto;
    }
    
    /* Signup Form Mobile */
    .signup-container {
        order: 1; /* Signup first on mobile */
        position: static;
        top: auto;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .signup-card {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
        border-radius: 20px;
    }
    
    /* VS Section Mobile */
    .vs-section {
        gap: 1rem;
        margin-bottom: 1rem;
    }
    
    .fighter-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .vs-text {
        font-size: 1.2rem;
        margin: 0 0.5rem;
    }
    
    /* Challenge Details Mobile */
    .challenge-details {
        padding: 0.8rem;
        margin-bottom: 1rem;
    }
    
    .weight-number {
        font-size: 1.5rem;
    }
    
    .reps-number {
        font-size: 1.2rem;
    }
    
    /* Action Buttons Mobile */
    .action-buttons {
        flex-direction: column;
        gap: 0.6rem;
    }
    
    .btn {
        min-width: auto;
        padding: 0.7rem 1rem;
        font-size: 0.8rem;
    }
    
    /* Form Mobile */
    .form-input, .form-select {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .btn-submit {
        padding: 1.2rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Features Section Mobile */
    .features-section {
        padding: 3rem 1rem;
    }
    
    .features-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-icon {
        width: 56px;
        height: 56px;
    }
    
    /* Footer Mobile */
    .footer {
        padding: 2rem 1rem;
    }
    
    .footer-links {
        gap: 1rem;
    }
    
    /* App Store Badges Mobile */
    .app-store-badge {
        height: 50px;
    }
    
    .app-store-preview {
        gap: 0.6rem;
        margin-top: 1rem;
    }
}

/* Extra Small Mobile */
@media (max-width: 480px) {
    /* Header Extra Small Mobile */
    .logo-image {
        width: 120px;
    }
    
    .header-social-media .social-icon {
        width: 32px;
        height: 32px;
    }
    
    .header-social-media .social-icon svg {
        width: 18px;
        height: 18px;
    }
    
    .demo-headline {
        font-size: clamp(1.2rem, 6vw, 1.8rem);
    }
    
    .signup-card {
        margin: 0 0.5rem;
        padding: 1.5rem 1rem;
    }
    
    .challenge-notification {
        padding: 1rem;
    }
    
    .vs-section {
        gap: 0.5rem;
    }
    
    .fighter-avatar {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .fighter-name {
        font-size: 0.8rem;
    }
    
    /* Feature Icons Extra Small Mobile */
    .feature-icon {
        width: 48px;
        height: 48px;
    }
    
    /* App Store Badges Extra Small Mobile */
    .app-store-badge {
        height: 45px;
    }
    
    .app-store-preview {
        gap: 0.4rem;
        flex-direction: column;
        align-items: center;
    }
}