:root {
    /* Dark Mode Theme */
    --bg-color: #020617;
    /* Very dark slate */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --accent-color: #38BDF8;
    /* Sky blue */

    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(30, 41, 59, 0.4);
    --card-hover-bg: rgba(51, 65, 85, 0.5);

    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;

    --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-smooth: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    font-feature-settings: "cv11", "ss01";
    -webkit-font-smoothing: antialiased;
}

/* --- Dynamic Background --- */
.background-fx {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 0%, #1e293b, #020617);
}

.blob {
    position: fixed;
    filter: blur(90px);
    opacity: 0.4;
    animation: float 20s infinite alternate;
    z-index: -1;
    border-radius: 50%;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: #4f46e5;
    /* Indigo */
    animation-delay: 0s;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 45vw;
    height: 45vw;
    background: #0ea5e9;
    /* Sky */
    animation-delay: -5s;
}

.blob-3 {
    top: 30%;
    left: 30%;
    width: 40vw;
    height: 40vw;
    background: #6366f1;
    /* Violet */
    animation-delay: -10s;
    opacity: 0.2;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(30px, 50px) scale(1.1);
    }
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

/* --- Layout --- */
main {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    padding: 2rem 0;
    flex-grow: 1;
    z-index: 10;
}

/* --- Navigation --- */
.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    z-index: 50;
    animation: fadeDown 0.8s var(--ease-smooth) forwards;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo-img {
    width: 64px;
    /* Larger logo as requested */
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.3));
    transition: transform 0.3s var(--ease-smooth);
}

.nav-logo-img:hover {
    transform: scale(1.05) rotate(-2deg);
}

.btn-primary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

/* --- Hero Section --- */
.hero-section {
    text-align: center;
    padding: 6rem 1rem 5rem;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeUp 0.8s 0.1s var(--ease-smooth) forwards;
    opacity: 0;
    transform: translateY(20px);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 300;
    animation: fadeUp 0.8s 0.2s var(--ease-smooth) forwards;
    opacity: 0;
    transform: translateY(20px);
}

/* --- Projects Section --- */
.projects-section {
    padding: 4rem 0;
    animation: fadeUp 0.8s 0.3s var(--ease-smooth) forwards;
    opacity: 0;
    transform: translateY(20px);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    text-align: center;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.8;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s var(--ease-smooth);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.project-card:hover {
    background: var(--card-hover-bg);
    transform: translateY(-8px);
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
}

.project-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.05);
    padding: 12px;
    transition: transform 0.3s ease;
}

.product-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.project-card:hover .card-icon {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.1);
}

.card-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.link-text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--accent-color);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.2s ease;
}

.project-card:hover .link-text {
    gap: 0.75rem;
    color: #7DD3FC;
}

/* --- Footer --- */
footer {
    padding: 3rem 2rem;
    text-align: center;
    color: #64748B;
    font-size: 0.9rem;
    margin-top: auto;
    border-top: 1px solid var(--glass-border);
}

/* --- Animations --- */
@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.75rem;
    }

    .nav-logo-img {
        width: 48px;
        height: 48px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .main-nav {
        padding: 1.5rem;
    }

    .project-card {
        padding: 2rem;
    }
}