/* ==========================================================================
   RuralConnect CSS - Premium Modern Design System
   ========================================================================== */

/* Design Tokens & Variables */
:root {
    /* Color Palette */
    --color-bg-dark: #f8fafc;
    --color-bg-light: #f1f5f9;
    --color-glass-base: rgba(255, 255, 255, 0.65);
    --color-glass-border: rgba(255, 255, 255, 0.5);
    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;

    /* Dynamic Theme Colors (Updated via JS per slide) */
    --theme-primary: #0ea5e9;
    --theme-secondary: #0284c7;
    --theme-glow: rgba(14, 165, 233, 0.12);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Spacing & Borders */
    --border-radius-lg: 24px;
    --border-radius-md: 12px;
    --border-radius-sm: 8px;

    /* Timings */
    --transition-smooth: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Background Tiled Grid */
.bg-tiles-container {
    position: fixed;
    top: -10px;
    left: -10px;
    width: calc(100vw + 20px);
    height: calc(100vh + 20px);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 0;
    z-index: -2;
    overflow: hidden;
    filter: blur(8px);
    will-change: filter;
}

.bg-tile {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: grayscale(100%) brightness(0.92) contrast(0.9);
    transition: filter 1.2s cubic-bezier(0.25, 1, 0.5, 1),
        transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
    transform: scale(1.0);
    will-change: transform, filter;
}

/* Active background tile zooms out and colorizes */
.bg-tile.active {
    filter: grayscale(15%) brightness(0.85) contrast(1.0);
    z-index: -1;
    transform: scale(1.04);
}

/* Light Ambient Gradient Overlay */
.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.45) 0%, rgba(226, 232, 240, 0.88) 100%);
    z-index: -1;
    pointer-events: none;
}

/* Main Layout Wrapper */
.main-wrapper {
    width: 100%;
    max-width: 1200px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 2.5rem 1.5rem;
    position: relative;
    z-index: 10;
}

/* Header & Logo styling */
.header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.logo-img {
    width: 2.25rem;
    height: 2.25rem;
    object-fit: contain;
    filter: drop-shadow(0 0 10px var(--theme-glow));
    transition: filter var(--transition-smooth), transform var(--transition-smooth);
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    color: var(--color-text-primary);
}

.logo-text span {
    background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: background var(--transition-smooth);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid rgba(15, 23, 42, 0.08);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--theme-primary);
    box-shadow: 0 0 10px var(--theme-primary);
    animation: pulse 2s infinite;
    transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.5);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(14, 165, 233, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(14, 165, 233, 0);
    }
}

/* Showcase Card & Layouts */
.showcase-card {
    width: 100%;
    background: var(--color-glass-base);
    backdrop-filter: blur(25px) saturate(160%);
    -webkit-backdrop-filter: blur(25px) saturate(160%);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.08),
        0 0 40px var(--theme-glow);
    overflow: hidden;
    margin: auto;
    position: relative;
    transition: box-shadow 0.8s ease, border-color 0.8s ease;
}

/* Two Column Showcase Content */
.showcase-content {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    grid-template-areas: "img txt";
    min-height: 520px;
    transition: grid-template-columns var(--transition-smooth);
}

/* Reverse layout sets text on left, image on right */
.showcase-content.layout-reverse {
    grid-template-columns: 0.85fr 1.15fr;
    grid-template-areas: "txt img";
}

/* Image Column styles */
.showcase-image-wrapper {
    grid-area: img;
    position: relative;
    overflow: hidden;
    height: 100%;
    min-height: 380px;
}

.showcase-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    opacity: 0;
}

.image-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.3), transparent 50%, rgba(255, 255, 255, 0.3)),
        linear-gradient(to top, rgba(255, 255, 255, 0.5), transparent 30%);
    pointer-events: none;
}

/* Text Column styles */
.showcase-text-wrapper {
    grid-area: txt;
    padding: 3.5rem 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    position: relative;
    z-index: 2;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.01) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
}

/* Category Badge */
.category-badge {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--theme-primary);
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.08);
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
    transition: color var(--transition-smooth);
}

/* Title & Description */
.slide-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.75rem;
    line-height: 1.55;
    letter-spacing: -1px;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #0f172a 50%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.slide-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

/* Buttons and Interactions */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.8rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-body);
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
    color: #ffffff;
    box-shadow: 0 4px 20px var(--theme-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--theme-glow);
    filter: brightness(1.08);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Sleek Progress Bar */
.progress-bar-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(15, 23, 42, 0.05);
    opacity: 0.3;
    /* reduced opacity to make page look less busy */
}

.progress-bar-fill {
    height: 100%;
    width: 100%;
    transform: scaleX(0);
    transform-origin: left;
    background: linear-gradient(to right, var(--theme-primary), var(--theme-secondary));
}

/* Entrance & Exit Transitions (Butter smooth & hardware accelerated) */
.showcase-image {
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: scale(1);
    /* prevent zoom clipping */
}

.entering .showcase-image {
    opacity: 1;
    transform: scale(1);
}

.exiting .showcase-image {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.showcase-text-wrapper {
    transform: translateY(15px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.entering .showcase-text-wrapper {
    opacity: 1;
    transform: translateY(0);
}

.exiting .showcase-text-wrapper {
    opacity: 0;
    transform: translateY(-15px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Navigation & Loop Control Bar */
.controls-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.nav-btn,
.control-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.03);
    border: 1px solid rgba(15, 23, 42, 0.06);
    color: var(--color-text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    outline: none;
    opacity: 0.45;
    /* slightly increased for better readability on light bg */
}

.nav-btn svg,
.control-btn svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
    transition: transform var(--transition-fast);
}

.nav-btn:hover,
.control-btn:hover {
    background: rgba(15, 23, 42, 0.06);
    border-color: rgba(15, 23, 42, 0.15);
    color: var(--color-text-primary);
    transform: scale(1.05);
    opacity: 1;
    /* full opacity on hover */
}

.nav-btn:active,
.control-btn:active {
    transform: scale(0.95);
}

.prev-btn:hover svg {
    transform: translateX(-2px);
}

.next-btn:hover svg {
    transform: translateX(2px);
}

/* Dots Indicators */
.dot-indicators {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.15);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    border: none;
    padding: 0;
    opacity: 0.5;
    /* reduced default opacity */
}

.dot:hover {
    background: rgba(15, 23, 42, 0.4);
    opacity: 0.8;
}

.dot.active {
    background: var(--theme-primary);
    transform: scale(1.3);
    box-shadow: 0 0 10px var(--theme-primary);
    opacity: 1;
    /* active is fully opaque */
}

/* Hero Section Wrapper */
.hero-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Bottom Info Section (Common Text + Disclaimer) */
.bottom-info-card {
    width: 100%;
    margin-top: 3rem;
    background: var(--color-glass-base);
    backdrop-filter: blur(25px) saturate(160%);
    -webkit-backdrop-filter: blur(25px) saturate(160%);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.08),
        0 0 30px var(--theme-glow);
    padding: 2.5rem 3rem;
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.75;
    transition: box-shadow 0.8s ease, border-color 0.8s ease;
}

.common-text-content p {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.info-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-text-secondary), transparent);
    opacity: 0.25;
    border: none;
    margin: 1.75rem 0;
}

.disclaimer-content p {
    margin-bottom: 1rem;
}

.disclaimer-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.disclaimer-content li {
    margin-bottom: 0.5rem;
}

.facebook-action-wrapper {
    margin-top: 1.75rem;
    display: flex;
    justify-content: center;
}

.facebook-btn {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
}

/* Responsive Breakpoints */
@media (max-width: 968px) {
    .main-wrapper {
        padding: 1.5rem 1rem;
    }

    .hero-wrapper {
        min-height: calc(100vh - 3rem);
        min-height: calc(100dvh - 3rem);
        justify-content: space-between;
        padding-bottom: 1rem;
        box-sizing: border-box;
    }

    .showcase-content {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        grid-template-areas:
            "img"
            "txt";
        min-height: auto;
    }

    .showcase-content.layout-reverse {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        grid-template-areas:
            "img"
            "txt";
    }

    .showcase-image-wrapper {
        width: 100%;
        height: auto;
        min-height: auto;
        aspect-ratio: 1402 / 1122;
        padding: 0.5rem 0.5rem 0 0.5rem;
        box-sizing: border-box;
    }

    .image-gradient-overlay {
        opacity: 0.2;
    }

    .showcase-text-wrapper {
        padding: 1.75rem 1.5rem;
    }

    .slide-title {
        font-size: 2rem;
    }

    .bottom-info-card {
        margin-top: 2rem;
        padding: 1.75rem 1.25rem;
    }
}

@media (max-width: 600px) {
    .main-wrapper {
        padding: 1rem 0.75rem;
    }

    .hero-wrapper {
        min-height: calc(100vh - 2rem);
        min-height: calc(100dvh - 2rem);
        justify-content: space-between;
        padding-bottom: 0.5rem;
    }

    .header {
        margin-bottom: 1rem;
    }

    .logo-img {
        width: 1.8rem;
        height: 1.8rem;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .status-indicator {
        padding: 0.35rem 0.75rem;
        font-size: 0.7rem;
    }

    .showcase-card {
        border-radius: var(--border-radius-md);
    }

    .showcase-image-wrapper {
        width: 100%;
        height: auto;
        min-height: auto;
        aspect-ratio: 1402 / 1122;
    }

    .showcase-text-wrapper {
        padding: 1.25rem;
    }

    .slide-title {
        font-size: 1.6rem;
    }

    .slide-description {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .btn {
        width: 100%;
        padding: 0.75rem 1.5rem;
    }

    .controls-container {
        gap: 0.75rem;
        margin-top: 1rem;
    }

    .nav-btn,
    .control-btn {
        width: 40px;
        height: 40px;
    }

    .bottom-info-card {
        margin-top: 1.5rem;
        padding: 1.5rem 1rem;
        border-radius: var(--border-radius-md);
        font-size: 0.95rem;
    }
}