/* ---------- Base ---------- */
html, body {
    height: 100%;
    font-family: "Inter", system-ui, sans-serif;
    background: #42253f;
    color: white;
    overflow-x: hidden;
    overflow-y: auto;
    scroll-behavior: smooth;
}

/* ---------- Background ---------- */
.bg {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    z-index: 0;
    pointer-events: none;
}

.bg-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 18, 32, 0.55);
    z-index: 1;
    pointer-events: none;
}

/* ---------- Layering ---------- */
.nav-wrapper {
    position: fixed;
    z-index: 3;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border-radius: 999px;
    padding: 0.4rem;
    display: flex;
    gap: 0.25rem;
    will-change: transform;
}

/* ---------- Navigation ---------- */
.nav-item {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.174);
    color: white;
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.25);
    color: white;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    z-index: 2;
    background: transparent;
}

.hero-body {
    justify-content: center;
    text-align: center;
    padding-top: 7rem;
}

.title {
    color: rgba(255, 255, 255, 0.726);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.subtitle {
    color: rgba(255, 255, 255, 0.726);
    max-width: 36rem;
    margin: 0 auto;
    opacity: 0.85;
}

/* ---------- Page spacing system ---------- */
.page-section {
    padding-left: calc(1.25rem + env(safe-area-inset-left));
    padding-right: calc(1.25rem + env(safe-area-inset-right));
}

@media (min-width: 768px) {
    .page-section {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* ---------- Projects grid ---------- */
.projects-section {
    position: relative;
    z-index: 2;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    justify-items: center;
}

/* ---------- Project card ---------- */
.project-card {
    display: flex;
    align-items: stretch;
    gap: 1.25rem;
    padding: 1.25rem;
    border-radius: 40px;
    width: 100%;
    max-width: 1200px;
    text-decoration: none;
    color: inherit;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform 0.2s ease, background 0.2s ease;
    will-change: transform;
}

.project-card:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.project-card.image-right .project-image {
    margin-left: auto;
}

/* ---------- Image ---------- */
.project-image {
    flex-shrink: 0;
    width: 100%;
    max-width: 540px;
    aspect-ratio: 4 / 3;
    border-radius: 24px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---------- Text ---------- */
.project-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0.25rem 1rem 0 4rem;
}

.project-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: rgba(255, 255, 255, 0.9);
}

.project-description {
    font-size: 1rem;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.7);
    max-width: 38ch;
}

/* ---------- Mobile layout ---------- */
@media (max-width: 768px) {
    .project-card {
        flex-direction: column;
    }

    .project-image {
        order: -1;
        width: 100%;
    }

    .project-title {
        font-size: 1.75rem;
    }

    .project-description {
        max-width: none;
    }

    .project-content {
        padding: 0.25rem;
    }
}

/* ---------- Footer ---------- */
.page-footer {
    position: relative;
    z-index: 2;
    padding: 2.5rem calc(1.25rem + env(safe-area-inset-left)) 2.5rem calc(1.25rem + env(safe-area-inset-right));
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}