/* ============================================
   NGIS Premium Investment Slider Stylesheet
   ============================================ */

/* CSS Custom Properties - Colour Palette */
:root {
    --ngis-navy-deep: #071B33;
    --ngis-navy-royal: #123F70;
    --ngis-gold: #D5AE63;
    --ngis-white: #FFFFFF;
    --ngis-grey-soft: #F4F6F9;
    --ngis-grey-muted: #6B7280;
    --ngis-green-positive: #10B981;
    --ngis-blue-overlay: rgba(7, 27, 51, 0.75);
    --ngis-gradient-overlay: linear-gradient(135deg, rgba(7, 27, 51, 0.85) 0%, rgba(18, 63, 112, 0.65) 100%);
    
    /* Typography */
    --font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    --transition-cinematic: 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-subtle: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* ============================================
   Base Styles
   ============================================ */

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

body {
    font-family: var(--font-family);
    background-color: var(--ngis-grey-soft);
    color: var(--ngis-navy-deep);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   Main Carousel Container
   ============================================ */

.ngis-hero-carousel {
    position: relative;
    width: 100%;
    height: 720px;
    min-height: 600px;
    max-height: 85vh;
    overflow: hidden;
    background-color: var(--ngis-navy-deep);
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

/* ============================================
   Individual Slide Styles
   ============================================ */

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-cinematic), visibility var(--transition-cinematic);
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

/* ============================================
   Background Image & Overlay
   ============================================ */

.slide-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    transform: scale(1.1);
    transition: transform 8s ease;
    will-change: transform;
}

.carousel-slide.active .slide-background {
    transform: scale(1);
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--ngis-gradient-overlay);
}

/* ============================================
   Slide Content Layout
   ============================================ */

.slide-content {
    position: relative;
    height: 100%;
    z-index: 3;
    display: flex;
    align-items: center;
}

/* ============================================
   Slide Caption Styles
   ============================================ */

.slide-caption {
    color: var(--ngis-white);
    padding: var(--spacing-xl) 0;
}

.eyebrow-text {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--ngis-gold);
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.carousel-slide.active .eyebrow-text {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.slide-headline {
    font-size: 3.5rem;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

.carousel-slide.active .slide-headline {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.slide-description {
    font-size: 1.125rem;
    font-weight: var(--font-weight-light);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

.carousel-slide.active .slide-description {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

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

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

.carousel-slide.active .cta-buttons {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}

.btn-cta {
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
}

.btn-cta:focus {
    outline: 2px solid var(--ngis-gold);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--ngis-gold) 0%, #C49A4F 100%);
    color: var(--ngis-navy-deep);
    border: none;
    box-shadow: 0 4px 15px rgba(213, 174, 99, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(213, 174, 99, 0.4);
    background: linear-gradient(135deg, #C49A4F 0%, var(--ngis-gold) 100%);
}

.btn-secondary {
    background: transparent;
    color: var(--ngis-white);
    border: 2px solid var(--ngis-white);
}

.btn-secondary:hover {
    background: var(--ngis-white);
    color: var(--ngis-navy-deep);
    transform: translateY(-2px);
}

/* ============================================
   Investment Performance Panel
   ============================================ */

.performance-panel {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-premium);
    max-width: 400px;
    margin-left: auto;
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

.carousel-slide.active .performance-panel {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.5s;
}

/* Visual alternative for slides without market data */
.visual-panel {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(18, 63, 112, 0.9), rgba(7, 27, 51, 0.88));
    border: 1px solid rgba(213, 174, 99, 0.38);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-premium);
    max-width: 400px;
    margin-left: auto;
    color: var(--ngis-white);
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

.carousel-slide.active .visual-panel {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.5s;
}

.visual-panel::after {
    content: '';
    position: absolute;
    width: 180px;
    height: 180px;
    right: -70px;
    bottom: -90px;
    border: 1px solid rgba(213, 174, 99, 0.28);
    border-radius: 50%;
}

.visual-panel-art {
    position: relative;
    display: grid;
    place-items: center;
    width: 112px;
    height: 112px;
    margin: 0 auto var(--spacing-md);
    border: 1px solid rgba(213, 174, 99, 0.5);
    border-radius: 50%;
    color: var(--ngis-gold);
    font-size: 2rem;
}

.visual-orbit,
.visual-star {
    position: absolute;
    color: rgba(213, 174, 99, 0.7);
}

.visual-orbit {
    width: 135px;
    height: 48px;
    border: 1px solid rgba(213, 174, 99, 0.35);
    border-radius: 50%;
    transform: rotate(35deg);
}

.visual-orbit-two {
    transform: rotate(-35deg);
}

.visual-star {
    font-size: 0.65rem;
}

.star-one { top: 18px; right: 16px; }
.star-two { bottom: 17px; left: 18px; font-size: 0.45rem; }

.visual-panel .panel-label {
    display: block;
    text-align: center;
}

.visual-panel-title {
    position: relative;
    z-index: 1;
    margin: var(--spacing-xs) 0;
    text-align: center;
    font-size: 1.55rem;
    font-weight: var(--font-weight-bold);
}

.visual-panel-copy {
    position: relative;
    z-index: 1;
    margin: 0 auto var(--spacing-md);
    max-width: 300px;
    text-align: center;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.9rem;
}

.visual-panel-tag {
    position: relative;
    z-index: 1;
    width: fit-content;
    margin: 0 auto;
    padding: 0.45rem 0.75rem;
    border: 1px solid rgba(213, 174, 99, 0.3);
    border-radius: 999px;
    color: var(--ngis-gold);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
}

.visual-panel-tag i {
    margin-right: 0.35rem;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.panel-label {
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ngis-gold);
}

.panel-date {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.8);
}

.panel-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.performance-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.5s ease;
}

.carousel-slide.active .performance-row:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.7s;
}

.carousel-slide.active .performance-row:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}

.carousel-slide.active .performance-row:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.9s;
}

.metric-label {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.85);
}

.metric-value {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--ngis-white);
    font-feature-settings: 'tnum';
    font-variant-numeric: tabular-nums;
}

.metric-value.primary-value {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--ngis-gold);
}

.metric-value.positive {
    color: var(--ngis-green-positive);
}

.panel-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.disclaimer {
    font-size: 0.7rem;
    font-weight: var(--font-weight-light);
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
}

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

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--ngis-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
    opacity: 0;
}

.ngis-hero-carousel:hover .carousel-control {
    opacity: 1;
}

.carousel-control:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.carousel-control:focus {
    outline: 2px solid var(--ngis-gold);
    outline-offset: 2px;
}

.carousel-control:active {
    transform: translateY(-50%) scale(0.95);
}

.control-icon {
    font-size: 1.25rem;
}

.prev-control {
    left: var(--spacing-lg);
}

.next-control {
    right: var(--spacing-lg);
}

/* ============================================
   Pagination Indicators
   ============================================ */

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.6);
}

.indicator.active {
    background: var(--ngis-gold);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(213, 174, 99, 0.5);
}

.indicator:focus {
    outline: 2px solid var(--ngis-white);
    outline-offset: 2px;
}

/* ============================================
   Reduced Motion Support
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .slide-background {
        transition: none;
    }
    
    .carousel-slide.active .slide-background {
        transform: scale(1.1);
    }
}

/* ============================================
   Responsive Design - Tablet
   ============================================ */

@media (max-width: 1024px) {
    .ngis-hero-carousel {
        height: 650px;
    }
    
    .slide-headline {
        font-size: 2.75rem;
    }
    
    .slide-description {
        font-size: 1rem;
        max-width: 500px;
    }
    
    .performance-panel {
        max-width: 340px;
        padding: var(--spacing-md);
    }
    
    .metric-value.primary-value {
        font-size: 1.125rem;
    }
    
    .carousel-control {
        width: 48px;
        height: 48px;
    }
    
    .prev-control {
        left: var(--spacing-md);
    }
    
    .next-control {
        right: var(--spacing-md);
    }
}

/* ============================================
   Responsive Design - Mobile Landscape
   ============================================ */

@media (max-width: 768px) {
    .ngis-hero-carousel {
        height: max(100vh, 920px);
        min-height: 0;
        max-height: none;
    }
    
    .slide-content {
        padding: var(--spacing-lg) 0;
    }
    
    .slide-caption {
        padding: var(--spacing-md) 0;
    }
    
    .slide-headline {
        font-size: 2.25rem;
    }
    
    .slide-description {
        font-size: 0.95rem;
        max-width: 100%;
        margin-bottom: var(--spacing-lg);
    }
    
    .cta-buttons {
        gap: var(--spacing-sm);
    }
    
    .btn-cta {
        padding: 12px 24px;
        font-size: 0.9rem;
        min-width: 140px;
    }
    
    .performance-panel {
        max-width: 100%;
        margin: var(--spacing-md) 0 0 0;
    }

    .visual-panel {
        max-width: 100%;
        margin: var(--spacing-md) 0 0 0;
    }
    
    .carousel-control {
        opacity: 1;
        width: 44px;
        height: 44px;
    }
    
    .prev-control {
        left: var(--spacing-sm);
    }
    
    .next-control {
        right: var(--spacing-sm);
    }
    
    .carousel-indicators {
        bottom: var(--spacing-lg);
    }
}

/* ============================================
   Responsive Design - Mobile Portrait
   ============================================ */

@media (max-width: 576px) {
    .ngis-hero-carousel {
        /* Slides remain layered/absolute for the fade transition. Reserve
           enough space for the stacked caption and right-hand panel so the
           next section cannot move underneath the active slide. */
        height: max(100vh, 920px);
        min-height: 0;
        max-height: none;
    }
    
    .slide-content {
        flex-direction: column;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .slide-caption {
        text-align: center;
        padding: var(--spacing-md) 0;
        order: 1;
    }
    
    .eyebrow-text {
        font-size: 0.75rem;
    }
    
    .slide-headline {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .slide-description {
        font-size: 0.875rem;
        margin-bottom: var(--spacing-md);
    }
    
    .cta-buttons {
        justify-content: center;
        width: 100%;
    }
    
    .btn-cta {
        width: 100%;
        padding: 12px 20px;
    }
    
    .performance-panel {
        order: 2;
        margin: var(--spacing-md) 0 0 0;
        max-width: 100%;
    }

    .visual-panel {
        order: 2;
        margin: var(--spacing-md) 0 0 0;
        max-width: 100%;
    }
    
    .carousel-control {
        width: 40px;
        height: 40px;
    }
    
    .control-icon {
        font-size: 1rem;
    }
    
    .carousel-indicators {
        bottom: var(--spacing-md);
        gap: var(--spacing-xs);
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
}

/* ============================================
   Responsive Design - Small Mobile
   ============================================ */

@media (max-width: 375px) {
    .slide-headline {
        font-size: 1.5rem;
    }
    
    .slide-description {
        font-size: 0.8rem;
    }
    
    .btn-cta {
        font-size: 0.85rem;
        padding: 10px 18px;
    }
    
    .performance-panel {
        padding: var(--spacing-sm);
    }
    
    .metric-value {
        font-size: 0.9rem;
    }
    
    .metric-value.primary-value {
        font-size: 1rem;
    }
}