/* ============================================
   Real-World Applications Section
   Zencia.AI Theme - Following main CSS and hero.css patterns
   ============================================ */

.applications-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #0f1419 0%, #082928 100%);
    position: relative;
    overflow: hidden;
}

/* Background Effect - Following hero.css pattern with SVG background */
.applications-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(0, 217, 213, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(0, 139, 139, 0.15) 0%, transparent 50%);
    animation: gradientShift 15s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

/* SVG Background Layer - Following integrations.css pattern */
.applications-section::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background-image: url('../images/application-bvg.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.7;
    filter: brightness(0.8);
    animation: svgFloat 20s ease-in-out infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes svgFloat {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.08) rotate(2deg);
    }
}

@keyframes gradientShift {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    50% {
        transform: translate(50px, 30px) scale(1.1);
        opacity: 0.8;
    }
}

.applications-section .container {
    position: relative;
    z-index: 2;
}

/* ===== SECTION HEADER - Following hero.css style ===== */
.applications-header {
    text-align: center;
    margin-bottom: 80px;
}

.applications-title {
    font-size: clamp(2.5rem, 4.5vw, 4rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    text-align: center;
}

/* ===== APPLICATIONS GRID - 4 cards in one row ===== */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* ===== APPLICATION CARDS - Following main CSS button/card patterns ===== */
.application-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* Glassmorphism effect - Following integrations.css pattern */
.application-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 217, 213, 0.1), rgba(0, 139, 139, 0.1));
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.application-card:hover::before {
    opacity: 1;
}

.application-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(0, 217, 213, 0.4);
    box-shadow: 0 15px 40px rgba(0, 217, 213, 0.25);
    background: rgba(255, 255, 255, 0.08);
}

/* ===== APPLICATION ICON - Following main CSS gradient patterns ===== */
.application-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 20px;
    position: relative;
    z-index: 1;
    transition: all 0.4s ease;
    box-shadow: 0 8px 24px rgba(0, 217, 213, 0.3);
}

.application-card:hover .application-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 217, 213, 0.5);
}

.application-icon svg {
    width: 40px;
    height: 40px;
    color: var(--white);
    transition: all 0.3s ease;
}

.application-card:hover .application-icon svg {
    transform: scale(1.1);
}

/* ===== APPLICATION CONTENT - Following main CSS typography ===== */
.application-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.3;
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.application-card:hover .application-title {
    color: var(--primary-teal);
}

.application-description {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.application-card:hover .application-description {
    color: rgba(255, 255, 255, 0.95);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1400px) {
    .applications-grid {
        gap: 1.5rem;
    }
    
    .application-card {
        padding: 2rem 1.25rem;
    }
}

@media (max-width: 1200px) {
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .applications-section {
        padding: 80px 0;
    }

    .applications-header {
        margin-bottom: 60px;
    }

    .applications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .application-card {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }

    .application-icon {
        width: 70px;
        height: 70px;
        border-radius: 18px;
        margin-bottom: 1.25rem;
    }

    .application-icon svg {
        width: 36px;
        height: 36px;
    }

    .application-title {
        font-size: var(--font-size-lg);
        margin-bottom: 0.875rem;
    }

    .application-description {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .applications-section {
        padding: 60px 0;
    }

    .applications-header {
        margin-bottom: 50px;
    }

    .application-card {
        padding: 1.75rem 1.25rem;
        border-radius: 18px;
    }

    .application-icon {
        width: 60px;
        height: 60px;
        border-radius: 16px;
        margin-bottom: 1rem;
    }

    .application-icon svg {
        width: 32px;
        height: 32px;
    }

    .application-title {
        font-size: var(--font-size-lg);
        margin-bottom: 0.75rem;
        line-height: 1.4;
    }

    .application-description {
        font-size: var(--font-size-sm);
        line-height: 1.6;
    }

    .application-card:hover {
        transform: translateY(-6px) scale(1.01);
    }
}

/* ===== ACCESSIBILITY - Following main CSS patterns ===== */
@media (prefers-reduced-motion: reduce) {
    .application-card,
    .application-icon,
    .application-icon svg {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .application-card:hover {
        transform: none;
    }

    .application-card:hover .application-icon {
        transform: none;
    }
}

/* Focus states for accessibility */
.application-card:focus {
    outline: 2px solid var(--primary-teal);
    outline-offset: 4px;
}

/* ===== SCROLL ANIMATIONS - Following hero.css fadeInUp pattern ===== */
.applications-header,
.application-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.applications-header.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.application-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays for cards - Following fadeInUp pattern */
.application-card:nth-child(1).animate-in {
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.application-card:nth-child(2).animate-in {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.application-card:nth-child(3).animate-in {
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.application-card:nth-child(4).animate-in {
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

/* Using the same fadeInUp animation from main CSS */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}