@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

        :root {
            --background-primary: #fafafa;
            --background-secondary: #ffffff;
            --background-tertiary: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --border-color: rgba(15, 23, 42, 0.08);
            --glass-background: rgba(255, 255, 255, 0.8);
            --accent-red: #A51C30;
            --accent-orange: #ff6f31;
            /* This gradient is used by the hero and other elements you want to keep consistent */
            --gradient-start: var(--accent-red);
            --gradient-end: var(--accent-orange);
            --scrollbar-track: rgba(15, 23, 42, 0.05);
        }

        /* --- MODIFIED FOR REDWINE DARK THEME --- */
        body.dark {
            --background-primary: #1a0101;      /* A very dark, almost black, red */
            --background-secondary: #2b0202;    /* A slightly lighter dark red for cards/panels */
            --background-tertiary: #1a0101;     /* MODIFIED: Consistent with primary dark background */
            --text-primary: #f8fafc;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --border-color: rgba(248, 250, 252, 0.1);
            --glass-background: rgba(43, 2, 2, 0.7); /* MODIFIED: Translucent dark red for glass effect */
            --scrollbar-track: rgba(248, 250, 252, 0.1);

            /* --- NEW: Redwine gradient variables for dark mode sections --- */
            --dark-gradient-start: #4A0404;      /* A deep, dark wine red */
            --dark-gradient-end: #800020;        /* A rich burgundy/maroon */
        }

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

        body {
            font-family: 'Inter', sans-serif;
            scroll-behavior: smooth;
            background-color: var(--background-primary);
            color: var(--text-primary);
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .glass-card {
            background: var(--glass-background);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid var(--border-color);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .glass-card:hover {
            transform: translateY(-6px);
        }

        nav {
            background: var(--glass-background);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 0 0 24px 24px;
            margin: 16px auto 0;
            max-width: 1200px;
            padding: 12px 32px;
            position: sticky;
            top: 16px;
            z-index: 1000;
        }

        /* NEW: Hover effect for desktop navbar links */
        nav .hidden.md\:flex a:hover {
            background-color: rgba(15, 23, 42, 0.05);
            /* Subtle gray for light mode */
            color: var(--accent-red);
        }

        body.dark nav .hidden.md\:flex a:hover {
            background-color: rgba(248, 250, 252, 0.1);
            /* Subtle white/gray for dark mode */
            color: var(--accent-orange);
        }

        /* This hero section will look the same in light and dark mode as requested */
        #home {
            background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .tech-icon {
            position: absolute;
            color: rgba(255, 255, 255, 0.1);
            font-size: 3rem;
            animation: float 15s infinite ease-in-out;
            will-change: transform;
        }

        @keyframes float {
            0% {
                transform: translateY(0px) rotate(0deg);
            }

            50% {
                transform: translateY(-30px) rotate(180deg);
            }

            100% {
                transform: translateY(0px) rotate(360deg);
            }
        }

        .profile-image-container {
            perspective: 1000px;
        }

        .profile-image-wrapper {
            transition: transform 0.4s ease;
            transform-style: preserve-3d;
        }

        .profile-image-container:hover .profile-image-wrapper {
            transform: rotateY(10deg) rotateX(5deg);
        }

        section:not(#home) {
            padding: 120px 0;
            position: relative;
        }

        #about,
        #projects {
            background-color: var(--background-tertiary);
        }

        #skills,
        #experience,
        #certifications,
        #contact {
            background-color: var(--background-secondary);
        }

        /* --- MODIFIED TO USE THE NEW REDWINE GRADIENT --- */
        body.dark #about,
        body.dark #projects {
            background: linear-gradient(135deg, var(--dark-gradient-start) 0%, var(--dark-gradient-end) 100%);
        }

        .skills-container {
            overflow: hidden;
            position: relative;
            padding: 2rem 0;
            -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
            mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
        }

        .skills-marquee {
            display: flex;
            gap: 1.5rem;
            width: max-content;
            flex-shrink: 0;
            animation: scroll 40s linear infinite;
        }

        .skills-container:hover .skills-marquee {
            animation-play-state: paused;
        }

        .marquee-reverse {
            animation-direction: reverse;
        }

        @keyframes scroll {
            from {
                transform: translateX(0);
            }

            to {
                transform: translateX(-50%);
            }
        }

        .skill-pill {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1.5rem;
            background-color: var(--glass-background);
            border: 1px solid var(--border-color);
            border-radius: 9999px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .skill-pill:hover {
            transform: scale(1.05);
            color: white;
            border-color: transparent;
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
        }

        .skill-pill:hover i {
            color: white;
        }

        .timeline-line {
            position: absolute;
            left: 50%;
            top: 0;
            height: 100%;
            width: 4px;
            background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end));
            border-radius: 2px;
            transform: translateX(-50%);
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            top: 1rem;
            width: 20px;
            height: 20px;
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
            border-radius: 50%;
            transform: translate(-50%, -50%);
            z-index: 10;
            box-shadow: 0 0 0 8px var(--background-secondary);
            transition: all 0.3s ease;
        }

        .timeline-item:hover .timeline-dot {
            box-shadow: 0 0 0 10px var(--background-secondary), 0 0 25px var(--gradient-end);
        }

        body.dark .timeline-dot {
            box-shadow: 0 0 0 8px var(--background-secondary);
        }

        .timeline-content {
            border-radius: 20px;
            padding: 32px;
            position: relative;
        }

        .timeline-content::before {
            content: '';
            position: absolute;
            top: 1rem;
            width: 0;
            height: 0;
            border: 15px solid transparent;
            transform: translateY(-50%);
        }

        .timeline-item:nth-child(odd) .timeline-content::before {
            right: -30px;
            border-left-color: var(--glass-background);
        }

        .timeline-item:nth-child(even) .timeline-content::before {
            left: -30px;
            border-right-color: var(--glass-background);
        }

        .project-card,
        .cert-card {
            border-radius: 20px;
            padding: 20px;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .accent-text {
            color: var(--accent-red);
        }

        body.dark .accent-text {
            color: var(--accent-orange);
        }

        /* FIXED: Form Input Styling */
        .form-input {
            width: 100%;
            padding: 0.75rem;
            border-radius: 0.5rem;
            background-color: var(--background-secondary);
            /* Use secondary for better contrast */
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-input::placeholder {
            color: var(--text-muted);
            opacity: 1;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--accent-red);
            box-shadow: 0 0 0 3px rgba(165, 28, 48, 0.2);
        }

        body.dark .form-input:focus {
            border-color: var(--accent-orange);
            box-shadow: 0 0 0 3px rgba(255, 111, 49, 0.2);
        }

        @media (max-width: 768px) {
            nav {
                max-width: 100%;
                border-radius: 0;
                top: 0;
                margin: 0;
            }

            .timeline-line {
                left: 10px;
            }

            .timeline-dot {
                left: 10px;
            }

            .timeline-item {
                padding-left: 30px;
            }

            .timeline-content::before {
                left: -30px !important;
                right: auto !important;
                border-right-color: var(--glass-background) !important;
                border-left-color: transparent !important;
            }

            section:not(#home) {
                padding: 80px 16px;
            }
        }

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

        ::-webkit-scrollbar-track {
            background: var(--scrollbar-track);
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
            border-radius: 4px;
        }