/* General Body and Font Styles */
body {
    min-height: 100vh;
    background-color: #0a0a0a; /* bg-gray-950 */
    color: #f3f4f6; /* text-gray-100 */
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

/* Header Styles */
.header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: rgba(10, 10, 10, 0.9); /* bg-gray-950 bg-opacity-90 */
    backdrop-filter: blur(8px); /* backdrop-blur-sm */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* shadow-lg */
    padding: 1rem 1.5rem; /* py-4 px-6 */
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom-left-radius: 0.75rem; /* rounded-b-xl */
    border-bottom-right-radius: 0.75rem; /* rounded-b-xl */
}

.header-title {
    font-size: 1.875rem; /* text-3xl */
    font-weight: 700; /* font-bold */
    background-image: linear-gradient(to right, #a855f7, #ec4899, #3b82f6); /* from-purple-500 via-pink-500 to-blue-500 */
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links {
    display: none; /* hidden */
    gap: 2rem; /* space-x-8 */
}

.nav-link {
    color: #d1d5db; /* text-gray-300 */
    transition: color 0.3s ease-in-out; /* transition-colors duration-300 */
    font-weight: 500; /* font-medium */
    text-decoration: none;
}

.nav-link:hover {
    color: #c084fc; /* hover:text-purple-400 */
}

.xing-link {
    display: flex;
    align-items: center;
}

.xing-link:hover {
    color: #facc15; /* hover:text-yellow-400 */
}

.icon-small {
    width: 1.125rem; /* size={18} */
    height: 1.125rem; /* size={18} */
    margin-right: 0.5rem; /* mr-2 */
}

.md-hidden {
    display: block; /* md:hidden */
}

.mobile-menu-button {
    color: #d1d5db; /* text-gray-300 */
    outline: none; /* focus:outline-none */
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-button svg {
    width: 1.5rem; /* w-6 */
    height: 1.5rem; /* h-6 */
}

/* Main Content Area */
.main-content {
    max-width: 1280px; /* container */
    margin-left: auto; /* mx-auto */
    margin-right: auto; /* mx-auto */
    padding-left: 1rem; /* px-4 */
    padding-right: 1rem; /* px-4 */
    padding-top: 3rem; /* pt-24 */
    padding-bottom: 2rem; /* py-8 */
}

/* Common Section Styles */
.section-common {
    margin-bottom: 5rem; /* mb-20 */
    padding: 3rem 2rem; /* py-12 px-8 */
    border-radius: 0.75rem; /* rounded-xl */
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); /* shadow-2xl */
    background-color: #1f2937; /* bg-gray-800 */
    background: linear-gradient(135deg, #2a003a, #001f3f, #3a002a, #003f3f);
    background-size: 300% 300%;
    animation: gradientAnimation 25s ease infinite;
}

/* About Section Specific Styles */
.section-about {
    margin-bottom: 5rem; /* mb-20 */
    padding: 3rem 2rem; /* py-12 px-8 */
    border-radius: 0.75rem; /* rounded-xl */
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); /* shadow-2xl */
    text-align: center;
}

.gradient-bg {
    background: linear-gradient(135deg, #2a003a, #001f3f, #3a002a, #003f3f);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
}

@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.about-title {
    font-size: 3rem; /* text-5xl */
    font-weight: 800; /* font-extrabold */
    margin-bottom: 1.5rem; /* mb-6 */
    color: #fff; /* text-white */
    line-height: 1.25; /* leading-tight */
}

.about-title-gradient {
    background-image: linear-gradient(to right, #86efac, #60a5fa, #a78bfa); /* from-green-300 via-blue-400 to-purple-500 */
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.about-text {
    font-size: 1.125rem; /* text-lg */
    max-width: 48rem; /* max-w-3xl */
    margin-left: auto; /* mx-auto */
    margin-right: auto; /* mx-auto */
    color: #e5e7eb; /* text-gray-200 */
    line-height: 1.625; /* leading-relaxed */
}

/* Section Titles */
.section-title-projects {
    font-size: 2.25rem; /* text-4xl */
    font-weight: 700; /* font-bold */
    margin-bottom: 3rem; /* mb-12 */
    text-align: center;
    background-image: linear-gradient(to right, #f472b6, #fb923c); /* from-pink-400 to-orange-400 */
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-title-companies {
    font-size: 2.25rem; /* text-4xl */
    font-weight: 700; /* font-bold */
    margin-bottom: 3rem; /* mb-12 */
    text-align: center;
    background-image: linear-gradient(to right, #60a5fa, #4ade80); /* from-blue-400 to-green-400 */
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-title-projects svg,
.section-title-companies svg {
    display: inline-block;
    margin-right: 0.75rem; /* mr-3 */
}

/* Grid Layouts for Projects and Companies */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 2.5rem; /* gap-10 */
}

.grid-layout-companies {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 2rem; /* gap-8 */
}

/* Card Styles (for Projects and Companies) */
.card-border-gradient {
    position: relative;
    border-radius: 0.75rem;
    background-color: #1f2937;
    border: 2px solid #96a0aa;
    /* background: linear-gradient(45deg, #8b5cf6, #ec4899, #06b6d4, #f59e0b); */
    background-size: auto;
    animation: gradientAnimation 15s ease infinite;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease-in-out;
}

.card-border-gradient:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05); /* hover:shadow-xl */
    border: 3px solid #a0aab4;
    transform: translateY(-0.5rem); /* hover:-translate-y-2 */

}

.card-content {
    background-color: #1f2937;
    border-radius: 0.75rem;
    padding: 2rem;
    transition: all 0.3s ease-in-out;
}

.card-title-purple {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 600; /* font-semibold */
    margin-bottom: 0.75rem; /* mb-3 */
    color: #d8b4fe; /* text-purple-300 */
}

.card-title-pink {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 600; /* font-semibold */
    margin-bottom: 0.75rem; /* mb-3 */
    color: #fbcfe8; /* text-pink-300 */
}

.card-title-blue {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 600; /* font-semibold */
    margin-bottom: 0.75rem; /* mb-3 */
    color: #93c5fd; /* text-blue-300 */
}

.card-title-green {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 600; /* font-semibold */
    margin-bottom: 0.5rem; /* mb-2 */
    color: #86efac; /* text-green-300 */
}

.card-title-yellow {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 600; /* font-semibold */
    margin-bottom: 0.5rem; /* mb-2 */
    color: #fde047; /* text-yellow-300 */
}

.card-subtitle {
    color: #9ca3af; /* text-gray-400 */
    margin-bottom: 0.75rem; /* mb-3 */
}

.card-subtitle-gray {
    color: #9ca3af; /* text-gray-400 */
    margin-bottom: 0.75rem; /* mb-3 */
}

.card-description {
    color: #d1d5db; /* text-gray-300 */
    margin-bottom: 1rem; /* mb-4 */
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem; /* gap-2 */
    margin-bottom: 1rem; /* mb-4 */
}

.tech-tag-purple {
    background-color: #7c3aed; /* bg-purple-600 */
    color: #fff; /* text-white */
    font-size: 0.75rem; /* text-xs */
    padding: 0.25rem 0.75rem; /* px-3 py-1 */
    border-radius: 9999px; /* rounded-full */
}

.tech-tag-blue {
    background-color: #2563eb; /* bg-blue-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.tech-tag-green {
    background-color: #16a34a; /* bg-green-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.tech-tag-yellow {
    background-color: #d97706; /* bg-yellow-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.tech-tag-red {
    background-color: #dc2626; /* bg-red-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.tech-tag-gray {
    background-color: #4b5563; /* bg-gray-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.tech-tag-indigo {
    background-color: #4f46e5; /* bg-indigo-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.tech-tag-teal {
    background-color: #0d9488; /* bg-teal-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.tech-tag-orange {
    background-color: #ea580c; /* bg-orange-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.tech-tag-cyan {
    background-color: #06b6d4; /* bg-cyan-600 */
    color: #fff;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.card-link {
    color: #60a5fa; /* text-blue-400 */
    text-decoration: none;
    display: flex;
    align-items: center;
}

.card-link:hover {
    text-decoration: underline;
}

/* Footer Styles */
.footer {
    background-color: #111827; /* bg-gray-900 */
    padding: 2rem 1.5rem; /* py-8 px-6 */
    text-align: center;
    border-top-left-radius: 0.75rem; /* rounded-t-xl */
    border-top-right-radius: 0.75rem; /* rounded-t-xl */
}

.footer-social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem; /* space-x-6 */
    margin-bottom: 1rem; /* mb-4 */
}

.footer-link {
    color: #9ca3af; /* text-gray-400 */
    transition: color 0.3s ease-in-out; /* transition-colors duration-300 */
}

.footer-link:hover {
    color: #fff; /* hover:text-white */
}

.footer-text {
    color: #6b7280; /* text-gray-500 */
    font-size: 0.875rem; /* text-sm */
}

/* Media Queries for Responsiveness */
@media (min-width: 768px) { /* md breakpoint */
    .header {
        padding-left: 3rem; /* md:px-12 */
        padding-right: 3rem; /* md:px-12 */
    }

    .nav-links {
        display: flex; /* md:flex */
    }

    .md-hidden {
        display: none; /* md:hidden */
    }

    .about-text {
        font-size: 1.25rem; /* md:text-xl */
    }

    .grid-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr)); /* md:grid-cols-2 */
    }

    .grid-layout-companies {
        grid-template-columns: repeat(2, minmax(0, 1fr)); /* md:grid-cols-2 */
    }
}

@media (min-width: 1024px) { /* lg breakpoint */
    .grid-layout {
        grid-template-columns: repeat(3, minmax(0, 1fr)); /* lg:grid-cols-3 */
    }
}