/* ============================================================================
   Landing Page Styles for Art World
   ============================================================================ */

:root {
    --primary-gradient: linear-gradient(135deg, #ef5350 0%, #e57373 100%);
    --secondary-gradient: linear-gradient(135deg, #ff8a80 0%, #ff5252 100%);
    --success-gradient: linear-gradient(135deg, #66bb6a 0%, #43a047 100%);
    --dark-gradient: linear-gradient(135deg, #424242 0%, #212121 100%);
    --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    --card-shadow-hover: 0 15px 50px rgba(0, 0, 0, 0.2);
    --primary-color: #ef5350;
    --primary-dark: #e57373;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
    font-size: 14px;
}

.gradient-bg {
    background-image: url('assets/background-image1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.gradient-bg::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(239, 83, 80, 0.6) 100%);
    pointer-events: none;
    z-index: 0;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ============================================================================
   Navigation
   ============================================================================ */

.nav-gradient {
    background: rgba(239, 83, 80, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 10;
}

.nav-gradient .brand-logo {
    font-weight: 600;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
}

.nav-gradient .brand-logo img {
    height: 40px;
    margin-right: 10px;
}

.nav-gradient ul li a {
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.nav-gradient ul li a:hover {
    background: rgba(255, 255, 255, 0.15);
}

.nav-gradient ul li a i {
    margin-right: 4px;
    font-size: 1rem;
}

/* ============================================================================
   Hero Section
   ============================================================================ */

.hero-section {
    padding: 40px 0 30px;
    text-align: center;
    color: white;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
    animation: fadeInDown 1s ease;
}

.hero-subtitle {
    font-size: 0.95rem;
    font-weight: 400;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 25px;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

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

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

/* ============================================================================
   Tools Section
   ============================================================================ */

.tools-section {
    padding: 40px 0;
    position: relative;
    z-index: 1;
}

.section-heading {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.section-subheading {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}

.tool-card {
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--card-shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.tool-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(239, 83, 80, 0.3);
    border-color: rgba(239, 83, 80, 0.5);
}

.tool-card.coming-soon {
    opacity: 0.85;
}

.tool-icon-container {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(239, 83, 80, 0.6) 100%);
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 2px solid rgba(239, 83, 80, 0.3);
}

.tool-icon-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tool-icon {
    font-size: 80px;
    color: white;
    position: relative;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.tool-card .card-content {
    padding: 25px;
    flex-grow: 1;
}

.tool-card .card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
}

.tool-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 18px;
}

.tool-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.feature-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 0.75rem;
    color: white;
    font-weight: 500;
}

.feature-chip i {
    font-size: 16px;
}

.coming-soon-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--secondary-gradient);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 15px;
}

.tool-card .card-action {
    padding: 12px 18px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-block {
    width: 100%;
    display: block;
}

/* ============================================================================
   About Section
   ============================================================================ */

.about-section {
    padding: 40px 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
}

.about-text {
    font-size: 0.85rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(8px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: rgba(239, 83, 80, 0.2);
    border-color: rgba(239, 83, 80, 0.3);
}

.feature-item i {
    font-size: 28px;
    color: #ef5350;
    background: rgba(239, 83, 80, 0.2);
    padding: 10px;
    border-radius: 50%;
}

.feature-item h5 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin: 0 0 4px 0;
}

.feature-item p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    border-radius: 8px;
    text-transform: none;
    font-weight: 500;
    padding: 0 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.btn:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.btn-large {
    height: 42px;
    line-height: 42px;
    font-size: 0.9rem;
    padding: 0 28px;
}

.gradient-btn {
    background: var(--primary-gradient);
    border: none;
}

.gradient-btn:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

/* ============================================================================
   Footer
   ============================================================================ */

.footer-gradient {
    background: linear-gradient(135deg, #434343 0%, #000000 100%);
    margin-top: 0;
    position: relative;
    z-index: 1;
}

.page-footer h5 {
    font-weight: 600;
}

.page-footer ul li {
    margin-bottom: 8px;
}

.page-footer ul li a {
    transition: all 0.3s ease;
}

.page-footer ul li a:hover {
    color: white !important;
    padding-left: 5px;
}

.footer-copyright {
    background: rgba(0, 0, 0, 0.3);
}

.footer-copyright a {
    text-decoration: underline;
}

.footer-copyright a:hover {
    color: #667eea !important;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media only screen and (max-width: 992px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-heading {
        font-size: 1.8rem;
    }
}

@media only screen and (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .section-heading {
        font-size: 1.6rem;
    }
    
    .section-subheading {
        font-size: 0.9rem;
    }
    
    .about-title {
        font-size: 1.5rem;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-item:hover {
        transform: translateY(-5px);
    }
}

@media only screen and (max-width: 600px) {
    .hero-section {
        padding: 60px 0 50px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.85rem;
    }
    
    .tools-section {
        padding: 60px 0;
    }
    
    .about-section {
        padding: 60px 0;
    }
}


/* ============================================================================
   Coming Soon Card Styles
   ============================================================================ */

.tool-card.coming-soon {
    opacity: 0.85;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(239, 83, 80, 0.2) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tool-card.coming-soon:hover {
    opacity: 1;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(239, 83, 80, 0.3) 100%);
    border-color: rgba(239, 83, 80, 0.4);
}

.tool-icon-container.coming-soon-gradient {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(239, 83, 80, 0.5) 100%);
    position: relative;
    overflow: hidden;
    border-bottom: 2px solid rgba(239, 83, 80, 0.2);
}

.tool-icon-container.coming-soon-gradient::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.coming-soon-badge {
    display: inline-block;
    padding: 5px 12px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(239, 83, 80, 0.6) 100%);
    color: white;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(239, 83, 80, 0.3);
}

.tool-icon-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tool-icon {
    font-size: 80px;
    color: white;
    position: relative;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.tool-card .card-content {
    padding: 25px;
    flex-grow: 1;
}

.tool-card .card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
}

.tool-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 18px;
}

.tool-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.feature-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 0.75rem;
    color: white;
    font-weight: 500;
}

.feature-chip i {
    font-size: 16px;
}