Create a 3:4 vertical watercolor urban sketch poster illustration on textured handmade watercolor paper.City and atmosphere: Sochi, Russia.Create a luminous summer morning atmospherealong the Sochi seafront promenade and the historic Riviera park area.Combine authentic Black Sea coastal architecture —white stucco resort villas with arched loggias,tall slender palms lining the promenade,blooming oleander and bougainvillea cascading over balcony railings,ornate cast-iron park lanterns,the aquamarine Black Sea surface with soft wave lines,a distant softly suggested outline of the Caucasus mountain ridge barely visible above the horizon,a fragment of a vintage Soviet-era sanatorium colonnade in the background.The scene must express the unique southern Russian resort character of Sochi —Mediterranean warmth with a distinctly Russian spirit.Main scene:Place the couple slightly below centerat a small round cafe table on the promenade terrace.The blond man holds a ceramic cup of coffeeand looks toward the woman with relaxed attention.The woman is tall, slender and model-like,with long voluminous curly dark hairlifted slightly by the sea breeze.She holds a small piece of churchkhelaand offers it to him with a subtle playful gesture.Their interaction feels light, warm and effortlessly spontaneous.Clothing:Dress the man in a relaxed white linen shirt,open at the collar,light sand-colored shorts and leather sandals.Dress the woman in a flowing coral silk midi dress,thin gold shoulder straps,delicate gold drop earrings,a light raffia bag and nude heeled sandals.The outfits should perfectly capture the elegant seaside summer atmosphere of Sochi.Composition:Airy vertical poster composition with generous negative space.Keep the couple small to medium in scale,slightly below center.Frame one side with a tall palm trunk and blooming oleander branch.Place the promenade railing, white villa facades, colonnades and the Black Sea horizonsoftly in the middle and distant background.Warm luminous morning sky above —pale aquamarine fading to soft white near the horizon.Do not crowd the scene with landmarks.Typography and visible text:In the upper right corner,add elegant italic Cyrillic lettering:«Сочи»Directly below it, add the poetic sentence:«Море. Солнце. Ты. Больше ничего не нужно.»All visible text must be written only in Russian Cyrillic.Any environmental lettering —only correctly spelled Russian words.No English, Latin or bilingual signs.Color and tone:Refined palette inspired by Sochi's Black Sea coast and southern resort light.Main colors: aquamarine, coral, warm ivory, palm green,soft gold, dusty rose,sandy beige and muted terracotta accents.Warm, luminous, Mediterranean-Russian.Avoid cold tones and harsh contrasts.Watercolor technique:Luminous translucent sea washes,soft color bleeding at the horizon line,bougainvillea bloom texture — loose wet-on-wet petals,granulating white stucco texture on facades,dappled palm shadow on promenade pavement.Drawing detail:Delicate ink line art.Fine details: palm frond structure,oleander and bougainvillea flowers,arched loggia columns,cast-iron lantern detail,ceramic coffee cup,churchkhela texture,silk dress folds catching sea breeze,gold earring and raffia bag weave,promenade railing ironwork,cobblestone or tile ground pattern,distant wave lines on sea surface.Faces softly suggested.Mood:Minimalist watercolor urban sketch,romantic Sochi Black Sea travel poster,southern Russian resort elegance,premium editorial fashion illustration,warm luminous Mediterranean-Russian aesthetic,hand-painted look.Quality:Refined composition, poster-ready,warm southern morning light,textured watercolor paper,delicate ink sketch, 8K.Negative prompt:single person, Olympic stadium as main focus,generic beach resort, foreign Mediterranean city,photorealistic, realistic faces,3D render, anime, neon colors,harsh shadows, crowded beach scene,tourist crowd, stiff pose,distorted hands, heavy ornament,flat illustration, palm trees as cartoon.