/* ==============================================
        ROOT VARIABLES & GLOBAL STYLES
        ============================================== */
        :root {
            --bg-color: #010101;
            --card-color: #111111;
            --border-color: #222222;
            --text-color: #FFFFFF;
            --text-muted-color: #A1A1A1;
            --accent-color: #00F2A2;
            --accent-color-darker: #00d991;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
        }
        /* Prevent body scroll when mobile menu is open */
        body.menu-open {
            overflow: hidden;
        }

        /* ==============================================
        BUTTON STYLES
        ============================================== */
        .btn {
            padding: 0.75rem 1.5rem;
            border-radius: 0.375rem;
            font-weight: 600;
            transition: all 0.2s ease-in-out;
            display: inline-block;
            text-align: center;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        .border{
            color: #00d991;
            border-color: #00d991;
        }
        .btn span { position: relative; z-index: 2; transition: color 0.3s ease-in-out; }
        .btn::before {
            content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background-color: var(--accent-color-darker);
            transform: translateX(-100%);
            transition: transform 0.3s ease-in-out;
            z-index: 1;
        }
        .btn-primary { background-color: var(--accent-color); color: #000; }
        .btn-primary:hover::before { transform: translateX(0); }
        .btn-secondary { background-color: transparent; color: var(--text-color); border: 1px solid var(--text-color); }
        .btn-secondary:hover { background-color: var(--text-color); }
        .btn-secondary:hover span { color: #000; }
        
        /* ==============================================
        HEADER / NAVIGATION
        ============================================== */
        header {
             border-bottom: 1px solid transparent;
             transition: border-color 0.3s ease, backdrop-filter 0.3s ease, background-color 0.3s ease;
        }
        header.scrolled {
            background-color: rgba(17, 17, 17, 0.7);
            backdrop-filter: blur(10px);
            border-bottom-color: var(--accent-color);
        }
        /* UPDATED: Person Name Style */
        .nav-name {
            text-shadow: 0 0 10px rgba(0, 242, 162, 0.5);
        }

        /* UPDATED: Nav Link Hover Effect */
        .header-nav-link { position: relative; transition: color 0.3s ease; }
        .header-nav-link:hover { color: var(--accent-color); }
        .header-nav-link::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 3px; /* Made thicker for "bold" effect */
            bottom: -8px; /* Adjusted position */
            left: 0;
            background-color: var(--accent-color);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.3s ease-out;
        }
        .header-nav-link:hover::after { transform: scaleX(1); }
        
        /* UPDATED: Mobile Menu Styles */
        #mobile-menu {
            position: fixed;
            inset: 0;
            background-color: rgba(1, 1, 1, 0.8);
            backdrop-filter: blur(10px);
            opacity: 0;
            transform: translateY(-20px);
            pointer-events: none;
            transition: opacity 0.3s ease, transform 0.3s ease;
            z-index: 40; /* Below the hamburger button */
        }
        #mobile-menu.active {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        /* ==============================================
        MARQUEE ANIMATION
        ============================================== */
        .marquee { overflow: hidden; position: relative; display: flex; }
        .client-marquee {
             background:#010101; }
        .marquee-content {
            flex-shrink: 0;
            display: flex;
            justify-content: flex-start; /* Changed for seamless loop */
            min-width: 100%;
            animation: marquee 40s linear infinite;
        }
        @keyframes marquee {
            from { transform: translateX(0); }
            to { transform: translateX(-50%); } /* Animate to half the width for duplicated content */
        }
        .client-marquee .marquee-content { animation-duration: 30s; }
        .client-marquee .marquee-content img { 
            height: 2.5rem; 
            margin: 0 2.5rem; 
            /* filter: brightness(0) invert(0.5);  */
            transition: filter 0.3s;
         }
        .client-marquee .marquee-content img:hover { filter: none ;  }
        .client-marquee{ background:#010101; }  /* আগের var(--accent-color) বদলে দিন */




        
        /* ==============================================
        SCROLL & FLOATING ICON ANIMATIONS
        ============================================== */
        
            .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
            }
            .animate-on-scroll.is-visible {
            opacity: 1;
            transform: translateY(0);
            }


            #view-cv{
                color: white;
                border: 1px solid white;
            } 
            #view-cv:hover{
                background-color: white;
                color: black;
            }

           
            .floating-icon {
            position: absolute;                 
            width: 55px;                        
            height: 55px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: var(--card-color);
            border: 1px solid var(--border-color);
            border-radius: 0.375rem;            
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
            overflow: hidden;                  
            will-change: transform;            
            }

           
            .floating-icon::before {
            content: "";
            position: absolute;
            inset: 0;
            background: #00d991;               
            transform: scaleX(0);
            transform-origin: left;
            animation: fillBg 3s linear infinite;
            z-index: 0;
            border-radius: inherit;            
            pointer-events: none;
            }


            .floating-icon > * {
            position: relative;
            z-index: 1;
            }

            
            @keyframes fillBg {
            0%   { transform: scaleX(0); }
            50%  { transform: scaleX(1); }
            100% { transform: scaleX(0); }
            }

            
            @keyframes orbit1 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-15px, -40px); } }
            @keyframes orbit2 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(10px, 30px); } }
            @keyframes orbit3 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(30px, -10px); } }

            .floating-icon-1 { top: -20px; left: 45%;   animation: orbit1 10s ease-in-out infinite; }
            .floating-icon-2 { top: 40%;   left: -40px;  animation: orbit2 8s  ease-in-out infinite 2s; }
            .floating-icon-3 { bottom: -10px; right: -30px; animation: orbit3 9s ease-in-out infinite 1s; }

        
        /* ==============================================
        EXPERTISE SECTION STYLES
        ============================================== */
        .expertise-card { border: 1px solid var(--border-color); transition: border-color 0.3s, transform 0.3s; }
        .expertise-card:hover { transform: translateY(-5px); border-color: var(--accent-color); }
        .expertise-icon { 
            position: relative; 
            overflow: hidden; 
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        
        /* UPDATED: Infinite Wipe Animation */
        .expertise-icon .icon-bg-wipe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--accent-color);
            transform: translateX(-101%);
            z-index: 1;
            animation: wipe-across 3s infinite ease-in-out;
        }

        .expertise-icon .icon-top {
            position: relative;
            z-index: 2;
        }
        
        /* The SVG itself animates color */
        .expertise-icon .icon-top svg {
             color: var(--accent-color);
             animation: color-invert-top 3s infinite ease-in-out;
        }

       






        @keyframes wipe-across {
            0%, 100% { transform: translateX(-101%); } /* Start off-screen left */
            40%, 60% { transform: translateX(0); }    /* Wipe across and hold */
            90% { transform: translateX(101%); }   /* Exit off-screen right */
        }

        @keyframes color-invert-top {
             /* Sync with wipe-across: color should be black when wipe is at translateX(0) */
             0%, 35%, 95%, 100% { color: var(--accent-color); }
             45%, 90% { color: #000; }
        }
        
        /* ==============================================
        MISCELLANEOUS SECTION STYLES
        ============================================== */
        .project-card:hover { transform: translateY(-5px); border-color: var(--accent-color); }
        .testimonial-card { display: inline-block; vertical-align: top; width: 380px; margin: 0 2rem; white-space: normal; }
        .star-gold { color: #FFD700; }
        .final-cta { background-image: url('https://placehold.co/1200x600/010101/111111?text=Code+Background'); background-size: cover; background-position: center; position: relative; }
        .final-cta::before { content: ''; position: absolute; inset: 0; background-color: rgba(1,1,1,0.8); backdrop-filter: blur(5px); }
        .final-cta > * { position: relative; z-index: 2; }





       /*#### Developer Cursor Styles #### */
        /* * Core styling for the effect. 
         * This applies the effect to any page this file is included in.
         */
        body {
            /* Hides the default system cursor. */
            cursor: none;
        }

        /* * The main wrapper for the developer cursor. 
         * It tracks the mouse with a slight delay for a fluid feel.
         */
        #developer-cursor {
            position: fixed;
            top: 0;
            left: 0;
            z-index: 9999; /* Ensures it's on top of everything. */
            pointer-events: none; /* Allows clicks to pass through. */
            
            /* Typography for the < > brackets */
            font-family: 'Source Code Pro', monospace;
            font-size: 24px;
            font-weight: 600;
            color: #00f2a2;
            
            /* A subtle text shadow to lift it off the page. */
            text-shadow: 0 0 5px rgba(0, 242, 162, 0.5);

            /* Smooth transition for position and click animation. */
            transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1), 
                        left 0.1s cubic-bezier(0.25, 1, 0.5, 1), 
                        top 0.1s cubic-bezier(0.25, 1, 0.5, 1);
        }

        /* Styling for the individual brackets to allow for animation. */
        #developer-cursor > span {
            display: inline-block;
            transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1);
        }

        /* * Click Animation: When the '.clicked' class is added,
         * the brackets spread apart for a satisfying interactive feel.
         */
        #developer-cursor.clicked #cursor-lt {
            transform: translateX(-4px);
        }
        #developer-cursor.clicked #cursor-gt {
            transform: translateX(4px);
        }

        /* * This is the soft glow that follows the main cursor 
         * with a more pronounced delay, creating the trail effect.
         */
        #glow-cursor {
            position: fixed;
            width: 500px;
            height: 500px;
            background: radial-gradient(
                circle,
                rgba(0, 242, 162, 0.1) 0%, /* Your primary color */
                rgba(0, 242, 162, 0) 65%
            );
            border-radius: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 9998; /* Sits just behind the developer cursor. */
            
            /* The longer transition creates the smooth, lagging "trail". */
            transition: left 0.35s cubic-bezier(0.25, 1, 0.5, 1), 
                        top 0.35s cubic-bezier(0.25, 1, 0.5, 1);
        }
    
    






/* Floating WhatsApp Button Styles */
       
  .floating-whatsapp-btn {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #FFFFFF;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
    /* Start hidden for animation */
    opacity: 0;
    transform: scale(0);
  }

  .floating-whatsapp-btn svg {
    width: 32px;
    height: 32px;
    fill: #FFFFFF;
  }

  .floating-whatsapp-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
  }
  
  /* Mobile Responsive Styles */
  @media (max-width: 768px) {
    .floating-whatsapp-btn {
      width: 50px;
      height: 50px;
      bottom: 15px;
      right: 15px;
    }
    
    .floating-whatsapp-btn svg {
      width: 28px;
      height: 28px;
    }
  }





  /* Developer Cursor Styles */

     /* --- Basic Section Layout --- */
    #about {
        color: var(--text-color, #FFFFFF);
        font-family: 'Inter', sans-serif;
        overflow: hidden;
        position: relative;
        background-color: var(--bg-color, #010101);
        padding: 3rem 0 2rem 0;
    }
    
    @media (min-width: 768px) {
        #about {
            padding: 4rem 0 3rem 0;
        }
    }
    
    @media (min-width: 1200px) {
        #about {
            padding: 5rem 0 4rem 0;
        }
    }
    
    #about .container {
        max-width: 1400px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    #about .content-wrapper {
        display: grid;
        grid-template-columns: 1fr;
        align-items: center;
        gap: 2rem;
        margin-bottom: 2rem;
    }
    
    @media (min-width: 768px) {
        #about .content-wrapper {
            gap: 3rem;
            margin-bottom: 3rem;
        }
    }
    
    @media (min-width: 992px) {
        #about .content-wrapper {
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            margin-bottom: 4rem;
        }
    }
    
    @media (min-width: 1200px) {
        #about .content-wrapper {
            gap: 6rem;
            margin-bottom: 5rem;
        }
    }

    /* --- Image Column --- */
    #about .image-column {
        width: 100%;
        opacity: 0;
        transform: scale(0.9) rotateY(-15deg);
        will-change: transform, opacity;
        position: relative;
        perspective: 1200px;
    }
    
    #about .about-image-wrapper {
        position: relative;
        width: 100%;
        max-width: 450px;
        margin: auto;
        border-radius: 14px;
        overflow: visible;
    }
    
    @media (min-width: 768px) {
        #about .about-image-wrapper {
            max-width: 500px;
        }
    }
    
    @media (min-width: 992px) {
        #about .about-image-wrapper {
            max-width: 550px;
        }
    }
    
    #about .about-image {
        display: block;
        width: 100%;
        height: auto;
        object-fit: cover;
        border-radius: 14px;
        box-shadow: 
            0 0 60px rgba(0, 242, 162, 0.4),
            0 20px 80px rgba(0, 0, 0, 0.6);
        position: relative;
        z-index: 1;
        filter: brightness(1.05) contrast(1.1);
    }

    /* --- Animated SVG Border with DrawSVG --- */
    #drawing-svg {
        position: absolute;
        top: -10px;
        left: -10px;
        width: calc(100% + 20px);
        height: calc(100% + 20px);
        pointer-events: none;
        z-index: 10;
        overflow: visible;
    }
    
    #draw-path {
        stroke: var(--accent-color, #00F2A2);
        stroke-width: 4px;
        fill: none;
        rx: 14;
        ry: 14;
        filter: drop-shadow(0 0 15px var(--accent-color, #00F2A2));
    }

    /* --- Floating Particles --- */
    .floating-shape {
        position: absolute;
        border-radius: 50%;
        background: var(--accent-color, #00F2A2);
        opacity: 0;
        z-index: 0;
        filter: blur(50px);
    }
    
    .shape-1 {
        width: 250px;
        height: 250px;
        top: -80px;
        right: -80px;
    }
    
    .shape-2 {
        width: 180px;
        height: 180px;
        bottom: -60px;
        left: -60px;
    }

    /* --- Text Column --- */
    #about .text-column {
        width: 100%;
        text-align: left;
        padding: 2rem 0;
    }
    
    @media (max-width: 991px) {
        #about .text-column {
            text-align: center;
        }
        #about-subtitle::before {
            display: none;
        }
    }

    /* --- Subtitle --- */
    #about-subtitle {
        color: var(--accent-color, #00F2A2);
        font-weight: 600;
        display: inline-block;
        margin-bottom: 1.5rem;
        opacity: 0;
        will-change: transform, opacity;
        letter-spacing: 0.15em;
        text-transform: uppercase;
        font-size: 0.875rem;
        position: relative;
        padding-left: 3rem;
    }
    
    #about-subtitle::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 2.5rem;
        height: 2px;
        background: var(--accent-color, #00F2A2);
        box-shadow: 0 0 10px var(--accent-color, #00F2A2);
    }

    /* --- Title --- */
    #about-title {
        font-size: clamp(2rem, 5vw, 4rem);
        line-height: 1.15;
        font-weight: 800;
        margin-top: 0;
        margin-bottom: 1.5rem;
        perspective: 800px;
        color: var(--text-color, #FFFFFF);
    }
    
    #about-title .char {
        display: inline-block;
        opacity: 0;
        transform: translateY(100px) rotateX(-90deg);
        transform-origin: 50% 100%;
        will-change: transform, opacity;
    }
    
    #about-title .char.special-o-border {
        color: transparent !important;
        -webkit-text-stroke: 2.5px var(--accent-color, #00F2A2);
        text-stroke: 2.5px var(--accent-color, #00F2A2);
        filter: drop-shadow(0 0 8px var(--accent-color, #00F2A2));
    }

    /* --- Description --- */
    #about-description {
        color: var(--text-muted-color, #A1A1A1);
        margin-bottom: 0;
        line-height: 1.8;
        font-size: clamp(0.95rem, 1.2vw, 1.1rem);
        opacity: 1;
    }
    
    #about-description .line {
        overflow: hidden;
        display: block;
    }
    
    #about-description .line > div {
        opacity: 0;
        transform: translateY(120%);
        will-change: transform, opacity;
    }

    /* --- Flash Effect for Random Words --- */
    .word-flash {
        display: inline-block;
        color: var(--accent-color, #00F2A2);
        text-shadow: 0 0 15px var(--accent-color, #00F2A2);
        animation: flash-pulse 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @keyframes flash-pulse {
        0%, 100% { 
            color: inherit;
            text-shadow: none;
            transform: scale(1);
        }
        50% { 
            color: var(--accent-color, #00F2A2);
            text-shadow: 0 0 20px var(--accent-color, #00F2A2);
            transform: scale(1.08);
        }
    }

    /* --- Stats Section --- */
    #about .stats-wrapper {
        width: 100%;
        margin-top: 1.5rem;
        padding-bottom: 1.5rem;
    }
    
    @media (min-width: 768px) {
        #about .stats-wrapper {
            margin-top: 2rem;
            padding-bottom: 2rem;
        }
    }
    
    @media (min-width: 1200px) {
        #about .stats-wrapper {
            margin-top: 3rem;
            padding-bottom: 3rem;
        }
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        max-width: 800px;
        margin: 0 auto;
        opacity: 0;
    }
    
    @media (min-width: 768px) {
        .stats-grid {
            gap: 1.5rem;
        }
    }
    
    @media (min-width: 992px) {
        .stats-grid {
            gap: 2rem;
            grid-template-columns: repeat(3, minmax(180px, 1fr));
        }
    }
    
    .stat-item {
        text-align: center;
        padding: 1.5rem 0.75rem;
        background: rgba(0, 242, 162, 0.05);
        border-radius: 0.75rem;
        border: 2px solid rgba(0, 242, 162, 0.25);
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
        cursor: pointer;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    @media (min-width: 768px) {
        .stat-item {
            padding: 2rem 1rem;
            border-radius: 1rem;
        }
    }
    
    @media (min-width: 992px) {
        .stat-item {
            padding: 2rem 1.5rem;
        }
    }

    /* Shine effect */
    .stat-item::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: linear-gradient(
            45deg,
            transparent 30%,
            rgba(0, 242, 162, 0.1) 50%,
            transparent 70%
        );
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
        transition: transform 0.6s ease;
    }
    
    .stat-item:hover {
        background: rgba(0, 242, 162, 0.08);
        border-color: var(--accent-color, #00F2A2);
        transform: translateY(-10px) scale(1.05);
        box-shadow: 
            0 20px 40px rgba(0, 242, 162, 0.2),
            0 0 30px rgba(0, 242, 162, 0.1);
    }

    .stat-item:hover::before {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
    
    .stat-number {
        font-size: clamp(2rem, 8vw, 3.5rem);
        font-weight: 900;
        color: var(--accent-color, #00F2A2);
        display: block;
        margin-bottom: 0.25rem;
        text-shadow: 0 0 30px rgba(0, 242, 162, 0.5);
        line-height: 1;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    @media (min-width: 768px) {
        .stat-number {
            margin-bottom: 0.5rem;
        }
    }
    
    .stat-label {
        font-size: clamp(0.65rem, 2vw, 0.875rem);
        color: var(--text-muted-color, #A1A1A1);
        text-transform: uppercase;
        letter-spacing: 0.08em;
        font-weight: 600;
        opacity: 1 !important;
        visibility: visible !important;
    }

    /* Glitch effect for stats on hover */
    .stat-item:hover .stat-number {
        animation: glitch 0.3s ease;
    }

    @keyframes glitch {
        0%, 100% { transform: translate(0); }
        25% { transform: translate(-2px, 2px); }
        50% { transform: translate(2px, -2px); }
        75% { transform: translate(-2px, -2px); }
    }




    /* ===== Footer (Image UI style) ===== */
.site-footer{
  
  background:#0b0b0d;
  border-top:1px solid var(--border-color, #222);
  position: relative;
  padding: 80px 16px 40px;
  color:#cfcfd3;
}
.site-footer .footer-inner{
  max-width:1200px;
  margin:0 auto;
  text-align:center;
}
.footer-cta{
  display:inline-block;
  font-size:16px;
  letter-spacing:.12em;
  text-transform:uppercase;
  padding:10px 16px;
  border:1px solid rgba(255,255,255,.15);
  border-radius:999px;
  background:transparent;
  color:#cfcfd3;
  margin-bottom:22px;
  transition:.25s ease;
}

.footer-cta:hover{ border-color:var(--accent-color,#00F2A2); color:#fff; box-shadow:0 0 0 3px rgba(0,242,162,.12) inset; }

.footer-email{
  display:block;
  font-weight:800px;
  line-height:1.05;
  text-decoration:none;
  color:#fff;
  text-shadow:0 0 24px rgba(255,255,255,.06);
  margin:10px auto 24px;
  transition: color .2s ease, text-shadow .2s ease;
   /* লম্বা ইমেল যেন ভাঙতে পারে */
  overflow-wrap: anywhere;   /* আধুনিক ব্রাউজার */
  word-break: break-word;    /* ব্যাকআপ */
  line-break: anywhere;      /* সমর্থিত হলে আরও স্মুথ */
  max-width: 95vw;           /* স্ক্রিনের বাইরে না যায় */
  /* clamp for responsiveness */
  font-size: clamp(28px, 5.3vw, 84px);
}
.footer-email:hover{ color:var(--accent-color,#00F2A2); text-shadow:0 0 24px rgba(0,242,162,.25); }

/* মোবাইলে আরও ছোট করে দাও */
@media (max-width: 480px){
  .footer-email{
    font-size: clamp(20px, 7.8vw, 34px);
    margin: 8px auto 18px;
  }
}

/* খুব ছোট স্ক্রিন (৩২০px টার্গেট) */
@media (max-width: 360px){
  .footer-email{
    font-size: clamp(18px, 7.2vw, 30px);
  }
}
  .footer-email{
    font-size: clamp(18px, 7.2vw, 30px);
  }


.footer-social{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:center;
  gap:18px 26px; margin:22px 0 32px; list-style:none; padding:0;
}
.footer-social a{
  display:flex; align-items:center; gap:10px;
  padding:10px 14px; border:1px solid rgba(255,255,255,.08);
  border-radius:999px; text-decoration:none; color:#cfcfd3; transition:.25s ease;
  background:rgba(255,255,255,.02);
}
.footer-social a:hover{ border-color:var(--accent-color,#00F2A2); color:#fff; transform:translateY(-2px); }
.footer-social svg{ width:20px; height:20px; fill:currentColor; }

.footer-copy{ opacity:.8; font-size:14px; }
.footer-brand{ color:#8b5cf6; text-decoration:none; font-weight:700; }
.footer-brand:hover{ text-decoration:underline; }

/* Scroll to top button */
.back-to-top{
  position: fixed; right:24px; bottom:24px;
  width:56px; height:56px; border-radius:50%;
  border:1.6px solid #7c3aed; background:transparent; color:#b28cff;
  display:grid; place-items:center; font-size:24px; cursor:pointer;
  box-shadow: inset 0 0 0 1px rgba(124,58,237,.25), 0 0 0 0 rgba(124,58,237,.0);
  opacity:0; transform: translateY(10px); pointer-events:none; transition:.25s ease;
}
.back-to-top.show{ opacity:1; transform: translateY(0); pointer-events:auto; }
.back-to-top:hover{ box-shadow: inset 0 0 0 2px rgba(124,58,237,.45), 0 0 18px rgba(124,58,237,.25); }

/* Small screens fine-tune */
@media (max-width: 480px){
  .footer-social a span{ font-size:13px; }
}




/* Social links: top + bottom line */
.footer-social{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:center;
  gap:18px 26px; list-style:none; padding:16px 0; margin:28px 0;
  border-top:1px solid rgba(255,255,255,.12);
  border-bottom:1px solid rgba(255,255,255,.12);
}

/* Social link pill (আগেরটুকু থাকলে ঠিকই থাকবে) */
.footer-social a{
  display:flex; align-items:center; gap:10px;
  padding:10px 14px; border:1px solid rgba(255,255,255,.08);
  border-radius:999px; text-decoration:none; color:#cfcfd3; transition:.25s ease;
  background:rgba(255,255,255,.02);
}

/* Copyright: bottom line */
.footer-copy{
  opacity:.85; font-size:14px; margin-top:22px; padding-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.12);
}

/* চাইলে পুরো ফুটারের একদম নিচেও একটি বটম-লাইন দিতে পারো */
.site-footer{
  border-top:1px solid var(--border-color, #222);
  border-bottom:1px solid rgba(255,255,255,.06); /* new */
}