/* Default Dark Theme with Burgundy Accent & Enhanced Glassmorphism */
        :root {
            --bg-color: #060910;
            --card-bg: rgba(13, 17, 28, 0.85); /* Solid enough so text is always readable when overlapping */
            --card-hover-bg: rgba(22, 30, 48, 0.95);
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --accent: #a32e39; /* Burgundy / Deep Red */
            --accent-glow: rgba(163, 46, 57, 0.4);
            --border: rgba(255, 255, 255, 0.12);
            --border-hover: rgba(163, 46, 57, 0.6);
            --btn-bg: rgba(255, 255, 255, 0.04);
        }

        /* Light Theme with Burgundy Accent & Enhanced Glassmorphism */
        body.light-mode {
            --bg-color: #f1f5f9;
            --card-bg: rgba(255, 255, 255, 0.9);
            --card-hover-bg: rgba(255, 255, 255, 0.98);
            --text-primary: #0f172a;
            --text-secondary: #64748b;
            --accent: #8e1f2a; 
            --accent-glow: rgba(142, 31, 42, 0.25);
            --border: rgba(0, 0, 0, 0.1);
            --border-hover: rgba(142, 31, 42, 0.5);
            --btn-bg: rgba(0, 0, 0, 0.03);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            scroll-behavior: smooth;
            transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
        }

        /* Custom Scrollbar — thin, burgundy accent blended with theme */
        html {
            scrollbar-width: thin; /* Firefox */
            scrollbar-color: var(--accent) transparent;
        }

        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: transparent;
        }

        ::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-hover);
        }

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 15% 15%, rgba(163, 46, 57, 0.08) 0%, transparent 45%),
                radial-gradient(circle at 85% 85%, rgba(14, 165, 233, 0.06) 0%, transparent 45%);
            background-attachment: fixed;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Glassmorphism Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 75px;
        }

        .logo {
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.5px;
        }

        .logo span {
            color: var(--accent);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--text-primary);
        }

        /* Theme Toggle Button */
        .theme-toggle-btn {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .theme-toggle-btn:hover {
            color: var(--accent);
            transform: scale(1.1);
        }

        .theme-toggle-btn span {
            font-size: 24px;
        }

        /* Hero Section Split Layout */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 75px;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
            width: 100%;
        }

        .hero-content h1 {
            font-size: 3.5rem;
            font-weight: 700;
            letter-spacing: -1.5px;
            margin-bottom: 1.2rem;
            line-height: 1.1;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, #d94f5c, #a32e39);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 530px;
            margin-bottom: 2.5rem;
            font-weight: 400;
        }

        /* Buttons */
        .btn-group {
            display: flex;
            gap: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 1.8rem;
            border-radius: 12px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            font-size: 0.95rem;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #ffffff;
            box-shadow: 0 0 25px var(--accent-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px var(--accent-glow);
            filter: brightness(1.1);
        }

        .btn-secondary {
            background-color: var(--btn-bg);
            color: var(--text-primary);
            border: 1px solid var(--border);
            backdrop-filter: blur(10px);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Overlapping yet fully visible dynamic floating container */
        .hero-visual {
            position: relative;
            height: 450px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .floating-orbit {
            position: relative;
            width: 100%;
            height: 100%;
        }

        .bubble-card {
            position: absolute;
            background: var(--card-bg);
            border: 1px solid var(--border);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 0.8rem 1.2rem;
            border-radius: 18px;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
            will-change: transform;
            z-index: 5;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
            animation: floatDynamic 6s ease-in-out infinite;
        }

        /* When hovering a bubble, bring it completely to front and highlight */
        .bubble-card:hover {
            z-index: 50;
            transform: scale(1.08) translateY(-5px) !important;
            border-color: var(--border-hover);
            box-shadow: 0 20px 45px var(--accent-glow);
            background: var(--card-hover-bg);
        }

        .bubble-card i {
            font-size: 1.5rem;
            width: 26px;
            text-align: center;
        }

        .bubble-card span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
        }

        /* Distinct positions matching reference layout: Instagram top, Google/Facebook row, TikTok/Web row, WhatsApp bottom-center */
        .b-1 { top: 31%; right: 0%; animation-duration: 6s; animation-delay: 0s; }       /* Facebook Ads */
        .b-2 { top: 14%; right: 15%; animation-duration: 7s; animation-delay: 1.5s; }    /* Instagram Growth */
        .b-3 { top: 52%; left: 0%; animation-duration: 6.5s; animation-delay: 0.8s; }    /* TikTok Marketing */
        .b-4 { top: 30%; left: 12%; animation-duration: 7.5s; animation-delay: 2.2s; }   /* Google Ads */
        .b-5 { top: 76%; left: 30%; animation-duration: 5.5s; animation-delay: 1.2s; }   /* WhatsApp Lead */
        .b-6 { top: 56%; right: 4%; animation-duration: 6.8s; animation-delay: 2.8s; }   /* Web & ERP Apps */

        @keyframes floatDynamic {
            0%, 100% {
                transform: translateY(0px) translateX(0px);
            }
            50% {
                transform: translateY(-12px) translateX(10px);
            }
        }

        /* Sections */
        section {
            padding: 7rem 0;
        }

        section h2 {
            font-size: 2.4rem;
            margin-bottom: 3rem;
            letter-spacing: -1px;
            font-weight: 700;
        }

        /* Project Cards */
        .project-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .project-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .project-card:hover {
            transform: translateY(-5px);
            background: var(--card-hover-bg);
            border-color: var(--border-hover);
            box-shadow: 0 12px 35px rgba(163, 46, 57, 0.15);
        }

        .project-card.case-trigger {
            cursor: pointer;
        }

        .case-trigger-link {
            display: inline-block;
        }

        .project-info {
            padding: 1.5rem;
        }

        .project-info h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .project-info p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 1.2rem;
            line-height: 1.5;
        }

        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-bottom: 1.2rem;
        }

        .tags span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background-color: var(--btn-bg);
            color: var(--text-secondary);
            font-size: 0.7rem;
            padding: 0.25rem 0.6rem;
            border-radius: 16px;
            font-weight: 600;
            border: 1px solid var(--border);
        }

        .tags span i {
            font-size: 0.85rem;
        }

        .project-links a {
            color: var(--text-primary);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 600;
            margin-right: 1.2rem;
            transition: color 0.2s;
        }

        .project-links a:hover {
            color: var(--accent);
        }

        /* Skills Grid */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1rem;
        }

        @media(max-width: 900px) {
            .skills-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-content p {
                margin-left: auto;
                margin-right: auto;
            }
            .btn-group {
                justify-content: center;
            }
            .hero-visual {
                display: none; 
            }
        }

        @media(max-width: 600px) {
            .skills-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        img {
            max-width: 100%;
            height: auto;
        }

        html {
            overflow-x: hidden;
        }

        body {
            overflow-x: hidden;
        }

        .skill-box {
            background: var(--card-bg);
            border: 1px solid var(--border);
            padding: 1rem 0.5rem;
            text-align: center;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.8rem;
            color: var(--text-primary);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.04);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .skill-box i {
            font-size: 1.8rem;
        }

        .skill-box:hover {
            background: var(--card-hover-bg);
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px var(--accent-glow);
        }

        /* Contact Section */
        #contact {
            text-align: center;
        }

        #contact p {
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 2.5rem auto;
            font-size: 1.1rem;
        }

        .contact-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .contact-icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            text-decoration: none;
            background-color: #ffffff;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .contact-icon-btn i {
            font-size: 1.4rem;
        }

        .contact-icon-btn:hover {
            transform: translateY(-3px);
        }

        .contact-icon-btn.whatsapp {
            box-shadow: 0 0 25px rgba(37, 211, 102, 0.4);
        }

        .contact-icon-btn.whatsapp i {
            color: #25d366;
        }

        .contact-icon-btn.linkedin {
            box-shadow: 0 0 25px rgba(10, 102, 194, 0.4);
        }

        .contact-icon-btn.linkedin i {
            color: #0a66c2;
        }

        .contact-icon-btn.phone {
            box-shadow: 0 0 25px var(--accent-glow);
        }

        .contact-icon-btn.phone i {
            color: var(--accent);
        }

        .contact-icon-btn.gmail {
            box-shadow: 0 0 25px rgba(234, 67, 53, 0.3);
        }

        .contact-icon-btn.gmail i {
            color: #ea4335;
        }

        .contact-icon-btn.icloud {
            box-shadow: 0 0 25px rgba(0, 0, 0, 0.15);
        }

        .contact-icon-btn.icloud i {
            color: #000000;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 1.4rem 0;
            color: var(--text-secondary);
            font-size: 0.85rem;
            border-top: 1px solid var(--border);
            background: var(--card-bg);
            backdrop-filter: blur(16px);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .footer-brand p {
            display: flex;
            align-items: center;
            line-height: 1;
        }

        .footer-logo {
            width: 20px;
            height: 20px;
            border-radius: 5px;
            flex-shrink: 0;
            display: block;
        }

        @media(max-width: 768px) {
            .hero-content h1 {
                font-size: 2.8rem;
            }
            .nav-links {
                position: fixed;
                top: 75px;
                left: 0;
                width: 100%;
                flex-direction: column;
                align-items: center;
                gap: 0;
                background: var(--card-bg);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease;
            }
            .nav-links.open {
                max-height: 300px;
            }
            .nav-links li {
                width: 100%;
                text-align: center;
            }
            .nav-links a {
                display: block;
                padding: 1rem 0;
            }
            .hamburger-btn {
                display: flex;
            }
        }

        /* Hamburger Menu Button (hidden on desktop) */
        .hamburger-btn {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .hamburger-btn span {
            font-size: 26px;
        }

        /* Active nav link */
        .nav-links a.active {
            color: var(--accent);
        }

        /* Scroll reveal */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .reveal.in-view {
            opacity: 1;
            transform: translateY(0);
        }

        /* Back to top button */
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 8px 25px var(--accent-glow);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 999;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            filter: brightness(1.1);
            transform: translateY(-3px);
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            backdrop-filter: blur(16px);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: inherit;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
        }

        .faq-question i {
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer p {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Contact Form */
        .contact-form {
            max-width: 520px;
            margin: 2.5rem auto 0;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            text-align: left;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 0.9rem 1.1rem;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: var(--btn-bg);
            color: var(--text-primary);
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
        }

        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: var(--text-secondary);
        }

        .contact-form button {
            align-self: center;
            border: none;
            cursor: pointer;
        }

        /* Case Study Tiles + Side Panel */
        .case-tile {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .case-tile:hover {
            transform: translateY(-5px);
            border-color: var(--border-hover);
        }

        .case-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.35s ease, visibility 0.35s ease;
            z-index: 1998;
        }

        .case-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .case-panel {
            position: fixed;
            top: 0;
            right: 0;
            height: 100%;
            width: 420px;
            max-width: 90vw;
            background: var(--card-hover-bg);
            border-left: 1px solid var(--border);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.35);
            padding: 2.5rem 2rem;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 1999;
        }

        .case-panel.open {
            transform: translateX(0);
        }

        .case-panel-close {
            position: absolute;
            top: 1.2rem;
            right: 1.2rem;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--btn-bg);
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .case-panel-close:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        #case-panel-content h3 {
            font-size: 1.4rem;
            margin: 0.5rem 0 1.2rem;
        }

        #case-panel-content p {
            margin-bottom: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        #case-panel-content .tags {
            margin: 1rem 0;
        }

        .case-study-tab {
            position: fixed;
            top: 22%;
            right: 0;
            transform: translateY(-50%) rotate(180deg);
            writing-mode: vertical-rl;
            background: var(--accent);
            color: #ffffff;
            border: none;
            border-radius: 0 10px 10px 0;
            padding: 1.1rem 0.6rem;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            cursor: pointer;
            box-shadow: 4px 0 20px var(--accent-glow);
            z-index: 900;
            transition: padding 0.25s ease, filter 0.25s ease;
        }

        .case-study-tab:hover {
            filter: brightness(1.1);
            padding-right: 0.9rem;
        }

        /* Mobile: anchor near the bottom (thumb-reachable, clear of hamburger menu & back-to-top) */
        @media(max-width: 768px) {
            .case-study-tab {
                top: auto;
                bottom: 130px;
                transform: rotate(180deg);
                padding: 0.85rem 0.5rem;
                font-size: 0.75rem;
                letter-spacing: 0.5px;
            }
            .case-study-tab:hover {
                padding-right: 0.7rem;
            }
        }

        /* ===== Final mobile refinements (kept last so they always win) ===== */
        @media(max-width: 480px) {
            .container {
                padding: 0 1.1rem;
            }
            #hero {
                padding-top: 90px;
            }
            .hero-content h1 {
                font-size: 2.15rem;
                letter-spacing: -0.5px;
            }
            .hero-content p {
                font-size: 0.98rem;
                margin-bottom: 1.8rem;
            }
            .btn-group {
                flex-direction: column;
                width: 100%;
                gap: 0.75rem;
            }
            .btn-group .btn {
                width: 100%;
            }
            section {
                padding: 3.5rem 0;
            }
            section h2 {
                font-size: 1.7rem;
                margin-bottom: 1.8rem;
            }
            .project-info {
                padding: 1.2rem;
            }
            .project-info h3 {
                font-size: 1.05rem;
            }
            .project-info p {
                font-size: 0.85rem;
            }
            .skills-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.6rem;
            }
            .skill-box {
                padding: 0.8rem 0.4rem;
            }
            .contact-links {
                gap: 0.7rem;
            }
            .contact-icon-btn {
                width: 48px;
                height: 48px;
            }
            .contact-icon-btn i {
                font-size: 1.15rem;
            }
            .back-to-top {
                width: 40px;
                height: 40px;
                bottom: 1.2rem;
                right: 1.2rem;
            }
            footer {
                padding: 1.1rem 0;
                font-size: 0.8rem;
            }
            .faq-question {
                padding: 1rem 1.1rem;
                font-size: 0.92rem;
            }
            .faq-answer p {
                padding: 0 1.1rem 1rem;
                font-size: 0.88rem;
            }
            .case-panel {
                width: 100%;
                max-width: 100vw;
                padding: 2rem 1.3rem;
            }
            .case-study-tab {
                bottom: 110px;
                font-size: 0.7rem;
                padding: 0.75rem 0.45rem;
            }
        }

        @media(max-width: 360px) {
            .hero-content h1 {
                font-size: 1.85rem;
            }
            .skills-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-icon-btn {
                width: 44px;
                height: 44px;
            }
            .case-study-tab {
                bottom: 95px;
                font-size: 0.65rem;
                padding: 0.65rem 0.4rem;
            }
        }