Planche de présentation de concours pour masterplan urbain en front de mer

International architectural competition board presentation, large waterfront masterplan shown in orthographic top view, detailed site planning with harbor, piers, landscape architecture, circulation roads, parking zones, public plazas and institutional buildings. Professional CAD-style architectural drawings with thin linework, subtle hierarchy of line weights, muted pastel color palette, pale cyan water textures, sage green landscape areas, light gray roads and white building footprints. Integrated floor plans, basement plans, program diagrams and architectural sections arranged in a clean Swiss grid layout. Minimalist architectural graphics, competition presentation board aesthetic, vector-based rendering, watercolor map textures, urban planning visualization, professional architecture portfolio style, highly detailed technical drawings, clean white background, no logo, no watermark, no branding, no unnecessary text, international design competition quality.